lcd screen, electronic device, lcd screen manufacturing method, and electronic device

专利摘要:
the present invention relates to an LCD screen, an electronic device, an LCD screen manufacturing method and an electronic device. the lcd screen includes several layers of transparent material and several layers of non-transparent material that are arranged in the stacking mode. there is a local transparent region on the lcd screen. no non-transparent material is applied to the various layers of non-transparent material in the local transparent region, to form a transparent channel in the local transparent region along a stacking direction. an optical component is completely or partially arranged in the transparent channel of the lcd screen. according to modalities of the present invention, optical components such as a camera, an ambient light sensor and an optical fingerprint sensor and another component can be arranged under the screen using the local transparent region on the lcd screen, thus greatly increasing the proportion screen-to-body and getting a full screen effect.
公开号:BR112019022364A2
申请号:R112019022364
申请日:2017-06-26
公开日:2020-05-19
发明作者:Yin Bangshi；Yan Bin；Yang Fan；Xue Kangle；Chen Xiaomeng
申请人:Huawei Tech Co Ltd；
IPC主号:

专利说明:

LCD SCREEN, ELECTRONIC DEVICE, LCD SCREEN MANUFACTURING METHOD, AND AN ELECTRONIC DEVICE
TECHNICAL FIELD
[001] The present invention relates to the field of an LCD screen and, in particular, to an LCD screen, an electronic device and an LCD screen manufacturing method.
FUNDAMENTALS
[002] Currently, an electronic device with a large liquid crystal display (LCD) is more popular with consumers. However, a screen-to-body ratio of the electronic device is still limited at the current level and does not meet consumer expectations and, consequently, an appearance of the electronic device is not aesthetic. As competition from electronic devices is increasingly intense, if electronic devices have almost the same functions, an appearance becomes an important factor in the purchase of an electronic device by a consumer. Therefore, increasing the screen-to-body ratio of an electronic device is a mainstream of electronic device manufacturers in the future.
SUMMARY
[003] Modalities of the present invention provide an LCD screen, an electronic device and an LCD screen manufacturing method, to increase the screen to body ratio of an electronic device.
[004] According to a first aspect, an embodiment of the present invention provides an LCD screen, where the LCD screen is arranged on an electronic device. The LCD screen includes several layers of transparent material and several
Petition 870190129894, of 12/09/2019, p. 8/101
2/73 layers of non-transparent material arranged in stack mode, and no non-transparent material is applied to each layer of non-transparent material in a local transparent region on the LCD screen (in other words, no non-transparent material is processed in the region transparent local in the various layers of non-transparent material), to form a transparent channel in the local transparent region along a stacking direction. A component body of an optical component corresponding to the LCD screen is completely or partially disposed in the transparent channel of the LCD screen.
[005] According to this embodiment of the present invention, no non-transparent material is retained in the local transparent region in each layer of non-transparent material on the LCD screen to form the transparent channel in the local transparent region along the stacking direction, the component body of the optical component is completely or partially arranged in the transparent channel, and the component body of the optical component is completely or partially arranged in the LCD screen, so that a larger size of the LCD screen can be formed in the electronic device, a screen-to-body ratio of the electronic device is enhanced, and the visual experience of the electronic device is further enhanced.
[006] In a possible modality, as the non-transparent material is non-transparent to increase transmittance in the local transparent region, a position, in the layers of non-transparent material on the LCD screen, to which non-transparent material is applied must be filled. with a transparent filling or a crystal material
Petition 870190129894, of 12/09/2019, p. 9/101
3/73 net. The position, in the layers of non-transparent material of the LCD screen, to which no non-transparent material is applied is filled with the transparent filler or the liquid crystal material, so that the light transmission of the LCD screen is enhanced, and air gaps generated after no non-transparent material is applied to the various non-transparent materials in the local transparent region can be eliminated. In addition, an existing liquid crystal can be used as a liquid crystal material for filling without adding a device or process from another filling material.
[007] In a possible mode, no transparent filling or liquid crystal material fills the position, in the layer of non-transparent material on the LCD screen, to which no non-transparent material is applied. If no transparent filler or liquid crystal material fills the position, a manufacturing process is easier and a light transmission requirement for some optical components can also be met.
[008] In a possible modality, a layer of material that is on the LCD screen and whose transmittance is less than a threshold is defined as a layer of non-transparent material, and a layer of material that is on the LCD screen and whose transmittance is greater than a threshold is defined as a layer of transparent material. In this embodiment of the present invention, the transparent material layer includes a CG cover glass (cover glass), a first LCD glass substrate and a second LCD glass substrate, and the non-transparent material layer includes a first polarizer , a colored film, a layer
Petition 870190129894, of 12/09/2019, p. 10/101
ΜΊ3 liquid crystal, a thin film transistor, a second polarizer and a backlight module. The first polarizer, the first LCD glass substrate, the CF (color filter, CF), the liquid crystal layer, the thin film field effect transistor (or thin film transistor, TFT), the second substrate LCD glass, the second polarizer and the backlight module are formed sequentially on a lower surface of the CG cover glass. In addition, no non-transparent material is applied to each of the first polarizer, the CF, the liquid crystal layer, the TFT, the second polarizer, and the backlight module in the local transparent region. The transparent channel is formed in the local transparent region along the stacking direction, so that the component body of the optical component can be totally or partially arranged in the transparent channel of the LCD screen.
[009] In a possible embodiment, in addition to the transparent material layer, there is also an ITO layer on a lower surface of the first LCD glass substrate and on an upper surface of the second LCD glass substrate. An electrical signal is applied to the ITO layer, to produce an electric field to control the deflection of liquid crystal. An ITO layer is still processed in several transparent channels, and is connected to a corresponding electrical signal. For example, an ITO layer in one region corresponding to a transparent channel on the first LCD glass substrate is also connected to an ITO layer in another region, and the same electrical signal is used; and an ITO layer in a region corresponding to a channel
Petition 870190129894, of 12/09/2019, p. 11/101
5/73 transparent on the second LCD glass substrate is connected to an independent control electrical signal, for example, an electrical control signal of one or several pixels in an original region corresponding to the transparent channel can be used. The voltage is applied to the two layers of ITO, to produce an electric field to control the deflection of a liquid crystal material in the transparent channels, so that a large amount of light can pass through the regions corresponding to the terminals inserted in the hole (pin -through-holes), achieving a local transparent effect.
[0010] In a possible embodiment, in addition to the transparent material layer, the transparent material also includes a first alignment film and a second alignment film, the liquid crystal layer is formed between a lower surface of the first alignment film and a upper surface of the second alignment film, and the first alignment film and the second alignment film are used to provide a specific initial deflection for a liquid crystal in a case without an electric field. No alignment film is processed in the local transparent region in the first alignment film and the second alignment film, and a liquid crystal material is dripped in the region. Due to the lack of restriction from the first alignment film and the second alignment film, alignments of liquid crystal materials filled in a terminal inserted into the hole are disordered, and liquid crystal materials are represented as isotropic materials. In this way, a large amount of light
Petition 870190129894, of 12/09/2019, p. 10/121
6/73 can pass through a region corresponding to the terminal inserted in the hole, thus achieving a local transparent effect.
[0011] In a possible embodiment, no transparent material is applied to the first LCD glass substrate and the second LCD glass substrate in the local transparent region, to form the transparent channel in the local transparent region along the stacking direction. Additionally, after no transparent material is applied to the first LCD glass substrate and the second LCD glass substrate in the local transparent region, there is no need to address an air gap problem between the first LCD glass substrate and the second LCD glass substrate. In addition, the component body of the optical component can be arranged in a light channel, thus reducing an overall thickness.
[0012] In a possible embodiment, a transparent material is processed in the transparent channel in the various layers of transparent material.
[0013] Specifically, the transparent material is processed in the transparent channel in the various layers of transparent material, to form the transparent channel in the transparent region in the stacking mode. No additional manufacturing processes are required, manufacturing costs are reduced, and the full screen display effect is not affected. In addition, the transparent material is processed in the local transparent region in the various layers of transparent material, so that the mechanical strength of the LCD screen can be increased, and the overall quality of the LCD screen can be improved.
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7/73
[0014] In a possible embodiment, no transparent material is processed in the local transparent region in the CG cover glass, to form the transparent channel in the local transparent region along the stacking direction. No transparent material is processed in the local transparent region on the CG cover glass, to transmit speech to a component such as a receiver.
[0015] In a possible embodiment, a sealing material is applied to a periphery of the transparent channel of the various non-transparent layers. The sealing material is applied to the periphery of the transparent channel of the various non-transparent layers, so that there is no liquid crystal in an isolated region using the sealing material. Alternatively, a sealing material or paint applied to the back of the CG cover glass can be used to protect a cabling region.
[0016] In a possible embodiment, a length-to-width ratio of a screen dimension of a rectangular screen region without a transparent channel on the LCD screen is 16: 9, 18: 9 or another standard video format ratio.
[0017] According to a second aspect, an embodiment of the present invention provides an electronic device. The electronic device includes an optical component and an LCD screen, and an optical component component body is completely or partially arranged in a transparent channel of the LCD screen.
[0018] In accordance with this embodiment of the present invention, an LCD screen structure is designed to implement a local transparent region, so that the external light can enter optical components, such as a camera
Petition 870190129894, of 12/09/2019, p. 10/141
8/73 front, an ambient light sensor, an optical sensor and an optical fingerprint sensor that are arranged under the LCD screen, and a full-screen display effect is achieved in combination with optimizing the layout of components such as a camera and a receiver.
[0019] In a possible modality, the optical component includes at least one of an optical fingerprint sensor, a camera, an optical proximity sensor, a structured light sensor, an infrared laser transmitter and an ambient light sensor.
[0020] According to a third aspect, an embodiment of the present invention provides an LCD screen.
[0021] The LCD screen includes several layers of transparent material and several layers of non-transparent material arranged in stack mode, and no non-transparent material is processed in a local transparent region on the LCD screen in each layer of non-transparent material, to form a component channel in the local transparent region along a stacking direction. A fingerprint sensor is fully or partially disposed in the component channel of the LCD screen.
[0022] According to this embodiment of the present invention, no non-transparent material is processed in the local transparent region in each layer of non-transparent material, to form the component channel in the local transparent region along the stacking direction. The fingerprint sensor is completely or partially disposed under the component channel of the LCD screen or partially disposed in the component channel.
[0023] In a possible modality, the
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9/73 fingerprint can be a capacitive fingerprint sensor. A screen can be arranged on both sides of the capacitive fingerprint sensor to increase the screen to body ratio.
[0024] According to a fourth aspect, an embodiment of the present invention provides a method of fabricating an LCD screen. The LCD screen manufacturing method includes: determining, based on the structural design of an entire machine, a local transparent region arranged on an LCD screen, where the LCD screen includes several layers of transparent material and several layers of non-transparent material. transparent; cutting a non-transparent material from each layer of non-transparent material in the local transparent region, to form a transparent channel in the local transparent region along a stacking direction, where a component body of an optical component is completely or partially arranged in the channel transparent LCD screen; and combining the various layers of transparent material and the various layers of non-transparent material.
[0025] In accordance with this embodiment of the present invention, optical components such as a camera, an ambient light sensor, an optical sensor and an optical fingerprint sensor and another component can be arranged under the screen using the transparent region on the screen. LCD, thereby greatly increasing the screen to body ratio and achieving a full screen effect.
[0026] In a possible modality, because the non-transparent material is non-transparent, to form the local transparent region, a position, in the layers of non-transparent material on the LCD screen, in which no material is
Petition 870190129894, of 12/09/2019, p. 10/161
10/73 transparent is processed needs to be filled with a transparent filler or a liquid crystal material. The position, in the layers of non-transparent material of the LCD screen, in which no non-transparent material is processed, is filled with transparent filling or liquid crystal material, so that the light transmission of the LCD screen is enhanced, and gaps of air generated after no non-transparent material is processed for the various non-transparent materials can be eliminated. In addition, an existing liquid crystal can be used as a liquid crystal material for filling without adding a device or process from another filling material.
[0027] In a possible embodiment, the transparent material layer includes a CG cover glass, a first LCD glass substrate and a second LCD glass substrate, and the non-transparent material layer includes a first polarizer, a film color, a liquid crystal layer, a TFT, a second polarizer and a backlight module. The first polarizer, the first LCD glass substrate, the CF, the liquid crystal layer, the TFT, the second LCD glass substrate, the second polarizer and the backlight module are formed sequentially on a lower surface of the CG cover glass. In addition, no non-transparent material is processed in the local transparent region in each of the first polarizer, the CF, the liquid crystal layer, the TFT, the second polarizer and the backlight module. The transparent channel is formed in the local transparent region along the stacking direction, so that the
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11/73 component body of the optical component can be totally or partially disposed in the transparent channel of the LCD screen.
[0028] In a possible modality, based on the projected transparent region, during the manufacture of the LCD screen, no processing is carried out in the regions that correspond to the transparent region that is the CF, the liquid crystal layer, the TFT and routing of metal, and processing is skipped directly when designing a mask. In addition, the line-column cabling that could exist and which is interrupted by a region corresponding to the transparent region can be arranged around the region corresponding to the transparent region, and the cabling is conducted separately from a left / right side and a upper / lower side, thus reducing an impact on an area of the transparent region.
[0029] In a possible embodiment, in addition to the transparent material layer, there is also an ITO layer on a lower surface of the first LCD glass substrate and on an upper surface of the second LCD glass substrate. An electrical signal is applied to the ITO layer to produce an electric field to control liquid crystal deflection. An ITO layer is still maintained on several transparent channels and is connected to a corresponding electrical signal. For example, an ITO layer in one region corresponding to a transparent channel on the first LCD glass substrate is also connected to an ITO layer in another region and the same electrical signal is used; and an ITO layer in a region corresponding to a transparent channel on the second LCD glass substrate is connected to an independent control electrical signal, for example, a signal
Petition 870190129894, of 12/09/2019, p. 10/181
12/73 electrical control of one or several pixels in an original region corresponding to the transparent channel can be used. The voltage is applied to the two layers of ITO, to produce an electric field to control the deflection of a liquid crystal material in the transparent channels, so that a large amount of light can pass through the regions corresponding to the terminals inserted in the hole, reaching thus a local transparent effect.
[0030] In a possible embodiment, in addition to the layer of transparent material, the transparent material also includes a first alignment film and a second alignment film, a liquid crystal is dripped between the first alignment film and the second alignment film to form the liquid crystal layer, and the first alignment film and the second alignment film are used to provide a specific initial deflection to the liquid crystal in a case without an electric field. No alignment film is processed in the local transparent region in the first alignment film and the second alignment film, and a liquid crystal material is dripped in the region. Due to the lack of restriction from the first alignment film and the second alignment film, the alignments of the liquid crystal materials filled in a terminal inserted in the hole are disordered, and the liquid crystal materials are represented as isotropic materials. In this way, a large amount of light can pass through a region corresponding to the terminal inserted in the hole, thus achieving a local transparent effect.
[0031] In a possible modality, before the step of
Petition 870190129894, of 12/09/2019, p. 10/191
13/73 combining the various layers of transparent material and the various layers of non-transparent material, the method also includes: cutting a transparent material from the first LCD glass substrate and the second LCD glass substrate in the local transparent region, to form the transparent channel in the local transparent region along the stacking direction. After several terminals inserted in the hole are arranged on the first LCD glass substrate and the second LCD glass substrate, it is not necessary to solve a problem of air gaps generated between several layers of material. In addition, the transparent channels of the first LCD glass substrate and the second LCD glass substrate can also be used to arrange the optical component in a light channel, thus reducing an overall thickness.
[0032] In a possible embodiment, a transparent material is retained in the transparent channel in the various layers of transparent material.
[0033] Specifically, the transparent material is retained in the transparent region in the various layers of transparent material, to form the transparent channel in the transparent region in the stacking mode. No additional manufacturing processes are required, manufacturing costs are reduced, and the full screen display effect is not affected. In addition, the transparent material is retained in the local transparent region in the various layers of transparent material, so that the mechanical strength of the LCD screen can be increased, and the overall quality of the LCD screen can be improved.
[0034] In a possible modality, before the step of
Petition 870190129894, of 12/09/2019, p. 10/20
14/73 combining the various layers of transparent material and the various layers of non-transparent material, the method also includes: in a real manufacturing process of the LCD screen, cutting a transparent material from the CG cover glass in the local transparent region , to form the transparent channel in the local transparent region along the stacking direction. A transparent channel of the CG cover glass is used to provide an acoustic base for a receiver arranged under the LCD screen.
[0035] In a possible embodiment, a sealing material is applied to a periphery of the transparent channel of the various non-transparent layers. The sealing material is applied to the periphery of the transparent channel of the various non-transparent layers, so that there is no liquid crystal in an isolated region using the sealing material. Alternatively, a sealing material or paint applied to the back of the CG cover glass can be used to protect a cabling region.
[0036] In a possible embodiment, a length-width ratio of a screen dimension of a rectangular screen region without a transparent region on the LCD screen is 16: 9, 18: 9 or another standard video format ratio.
[0037] In comparison with the prior art, according to the LCD screen, the electronic device, and the LCD screen manufacturing method provided in the modalities, local transparency of the LCD screen is implemented using several terminals inserted in the hole in each of the several layers of non-transparent material on the LCD screen, where the various terminals inserted in the hole are arranged in the opposite way along the direction of
Petition 870190129894, of 12/09/2019, p. 10/21
15/73 stacking, so that light can enter optical components, such as the camera, the ambient light sensor, the optical sensor, and the optical fingerprint sensor that are arranged under the LCD screen, and the entire screen is implemented in combination with the optimization of the camera and receiver layout. In this way, the screen to body ratio of the electronic device is increased.
BRIEF DESCRIPTION OF THE DRAWINGS
[0038] Figure 1 is a schematic structural diagram of a mobile phone according to an embodiment of the present invention;
Figure 2 is a schematic structural diagram of another mobile phone according to an embodiment of the present invention;
Figure 3 is a schematic diagram of a mobile phone interface according to an embodiment of the present invention;
Figure 4 to Figure 17 are schematic structural diagrams of an LCD screen according to an embodiment of the present invention;
Figure 18 is a schematic diagram of a mobile phone interface according to an embodiment of the present invention;
Figure 19 is a schematic structural diagram of metallic cabling according to an embodiment of the present invention;
Figure 20 is a schematic structural diagram of a local transparent region on a screen according to an embodiment of the present invention;
Figure 21 is a schematic structural diagram of another
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16/73 LCD screen according to an embodiment of the present invention; and Figure 22 is a schematic diagram of an LCD screen manufacturing method according to an embodiment of the present invention.
DESCRIPTION OF MODALITIES
[0039] An electronic device used in the modalities of the present invention can be a mobile electronic device, such as a mobile phone, a tablet computer, a personal digital assistant (Personal Digital Assistant, PDA), a point of sale (Point of Sale), POS), an on-board computer, a notebook or a smart wearable device. The mobile phone is used as an example. Figure 1 is a schematic structural diagram of a mobile phone related to an embodiment of the present invention. Referring to Figure 1, a mobile phone 100 includes components such as a radio frequency circuit (Radio Frequency, RF for short) 110, a memory 120, an input unit 130, a display unit 140, a sensor 150, a audio circuit 160, a wireless fidelity module (Wireless Fidelity, Wi-Fi), an I / O subsystem 170, a processor 180 and a power source 190. Those skilled in the art can understand that the structure of the mobile phone shown in Figure 1 is just an example of implementation and is not a limitation on the mobile phone. The mobile phone can include more or less components than shown in the figure, or combine some components, or have different arrangements of components.
[0040] The following describes in detail all the constituent components of the mobile phone 100, with
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17/73 reference to Figure 1.
[0041] RF circuit 110 can be configured to: receive and send a signal in a process of receiving or sending information or a calling process and, in particular, receiving downlink information from a base station, and then send the downlink information to processor 180 for processing. In addition, RF circuit 110 sends related uplink data to the base station. Generally, the RF circuit includes, but is not limited to, an antenna, at least an amplifier, a transceiver, a coupler, a low noise amplifier (LNA), a duplexer, and the like. In addition, the RF circuit 110 can also communicate with a network and another device via wireless communication. Wireless communication can use any communication standard or protocol, including, but not limited to, the Global System for Mobile Communications (GSM), General Packet Radio Service (GPRS), Access Code Division multiple access (CDMA), Broadband Code Division Multiple Access (wideband code Division Multiple access, WCDMA), Long Term Evolution (Long Term Evolution, LTE), an email, a short messaging service, SMS, and the like.
[0042] Memory 120 can be configured to store a software program and a module. The processor 180 runs several functional applications of the mobile phone 100 and data processing by running the
Petition 870190129894, of 12/09/2019, p. 10/24
18/73 software and the module that are stored in memory 120. Memory 120 may mainly include a program storage area and a data storage area. The program storage area can store an operating system, an application program required by at least one function (such as a voice reproduction function and an image reproduction function) and the like. The data storage area can store data (such as audio data and a phone book) that is created based on the use of the mobile phone 100 and the like. In addition, memory 120 may include high speed random access memory or may further include non-volatile memory, such as at least one disk storage device, a flash memory device or other volatile solid state storage device.
[0043] The other input device 130 can be configured to receive digital or character information entered, and generate key signal input related to a user configuration and mobile phone function control 100. Specifically, the other input device 130 can include a touch control panel 142 and other input devices 130. The touch control panel 142, also known as a touch screen, can collect a touch operation (for example, an operation performed by a user on the touch control panel 142 or near touch control panel 142 using a finger, stylus or any other suitable object or accessory) performed by the user on or near touch control panel 142, and triggers a connecting device corresponding according to a program
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Predefined 19/73. Optionally, the touch control panel 142 can include two parts: a touch detection device and a touch controller. The touch detection device detects a user's touch position, detects a signal brought by the touch operation, and transmits the signal to the touch controller. The touch controller receives touch information from the touch detection device, converts the touch information to touch point coordinates, and then sends the touch point coordinates to processor 180, and can receive a command sent by the processor 180 and execute the command. In addition, touch control panel 142 can be implemented in a plurality of types, such as a resistive type, a capacitive type, an infrared type, and a surface acoustic wave type. Input unit 130 may include other input devices 130 in addition to touch control panel 142. Specifically, other input devices 130 may include, but are not limited to, at least one physical keyboard, a functional button (such as a volume control button or an on / off button), a trackball, mouse, joystick, and the like.
[0044] Screen 140 can be configured to display information entered by the user, information provided to the user, and various mobile phone menus 100. Screen 140 can include a display panel 141. Optionally, display panel 141 can be configured in the form of a liquid crystal display (LCD), an organic light emitting diode (OLED) or similar. In addition, touch control panel 142 can cover display panel 141.
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20/73
After detecting a touch operation at or near touch control panel 142, touch control panel 142 transfers the touch operation to processor 180 to determine a type of touch event. Then, processor 180 provides corresponding visual output on display panel 141 based on the type of the touch event. In Figure 1, touch control panel 142 and display panel 141 are used as two independent components to implement the input and output functions of mobile phone 100. However, in some embodiments, touch control panel 142 and display panel 141 can be integrated to implement the input and output functions of the mobile phone 100.
[0045] The mobile phone 100 may also include at least one sensor 150, such as an optical sensor, a motion sensor and another sensor. Specifically, the optical sensor can include an ambient light sensor and an optical proximity sensor. The ambient light sensor can adjust the luminance of display panel 141 based on the brightness of the ambient light. The proximity sensor can turn off display panel 141 and / or the backlight when the mobile phone 100 moves to an ear. As a type of motion sensor, an accelerometer sensor can detect a magnitude of an acceleration in each direction (usually three axes), and can detect a magnitude and a direction of gravity when the acceleration sensor is static. The accelerometer sensor can be applied to an application to recognize a posture (for example, screen switching between landscape and portrait mode, a related game, or magnetometer posture calibration) from the mobile phone,
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21/73 a function related to vibration recognition (for example, a pedometer and light touch), and so on. For another sensor that can be additionally configured on the mobile phone 100, such as a gyroscope, a barometer, a hygrometer, a thermometer or an infrared sensor, the details are not described here.
[0046] The audio circuit 160, a speaker 161 and a microphone 162 can provide an audio interface between the user and the mobile phone 100. The audio circuit 160 can transmit a signal to speaker 161 electrical which is converted from received audio data, and speaker 161 converts the electrical signal into a sound signal for output. Additionally, microphone 162 converts a collected sound signal into an electrical signal, and audio circuit 160 receives the electrical signal, converts the electrical signal to audio data, and sends the audio data to processor 180 for processing, for send the audio data to, for example, another mobile phone using the RF circuit 110, or send the audio data to memory 120 for further processing.
[0047] Wi-Fi is a short-range wireless transmission technology. The mobile phone 100 can help, using the Wi-Fi module, the user to receive / send emails, browse web pages, access streaming media and the like. The Wi-Fi module provides the user with wireless broadband Internet access, or can be used for short-range communication between two mobile phones. Although Figure 1 shows the Wi-Fi module, it can be understood that the Wi-Fi module is not a necessary part of the mobile phone 100 and can certainly be omitted as needed,
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22/73 provided that the essence of the present invention is not altered.
[0048] Processor 180 is a mobile phone control center 100, connects all parts of the mobile phone using various interfaces and lines, and performs various functions and data processing of the mobile phone 100 by running or executing the software program and / or the module stored in memory 120 and invoke data stored in memory 120, to perform general monitoring on the mobile phone. Optionally, processor 180 may include one or more processing units. Preferably, processor 180 may integrate an application processor and a modem processor. The application processor mainly processes an operating system, a user interface, an application program and the like. The modem processor mainly processes wireless communication. It can be understood that the modem processor may not be integrated with processor 180.
[0049] The mobile phone 100 also includes a power source 190 (for example, a battery) supplying power to the components. Preferably, the power source can be logically connected to processor 180 using a power management system, to implement functions such as load and discharge management and power consumption management using the power management system.
[0050] Although not shown, the mobile phone 100 can still include a camera, a Bluetooth module and the like. The details are not described here.
[0051] In this embodiment of the present invention, the mobile phone 100 includes at least one module of
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23/73 short-range wireless communications, such as a Wi-Fi module,
a Bluetooth module or a module NFC.[0052] In this modality gives present invention, the processor included in the system has the following functions:
when it is detected that a file displayed on the touchscreen is touched, determine whether a touched attribute satisfies a predefined condition, where the touched attribute includes at least one of a file touch time, a file dragging path, and a final location to which the file is dragged; and when the touched attribute satisfies the predefined condition, transmit the file to a target electronic device using an established short-range wireless data channel.
[0053] Figure 2 shows an embodiment of another mobile phone according to an embodiment of the present invention. Referring to Figure 2, the mobile phone 200 includes a body 201 and a screen 140. Screen 140 can be implemented by integrating a touch control panel and a display panel to implement the input and output functions of the mobile phone 200. A user can perform light touch and swipe operations on screen 140 using a finger 202 or a pen 203, and the touch control panel can detect operations. Screen 140 can also be referred to as a viewfinder. Body 201 includes a photosensitive element 210, a receiver 220, a camera 230, a physical button 240, an on / off button 250, a volume button 260 and the like. The photosensitive element 210 may include an optical proximity sensor and an ambient light sensor. The photosensitive element 210 is mainly configured to detect a distance between a body
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24/73 human and the mobile phone. For example, when a user is on a call and the phone is close to an ear, after the photosensitive element 210 detects distance information, the touchscreen 140 of the mobile phone 200 can disable an input function to prevent touch accidental.
[0054] It should be noted that the mobile phone 200 shown in Figure 2 is merely an example and is not a limitation. The mobile phone 200 may include more or less components than shown in the figure, or combine some components, or have different arrangements of components.
[0055] To increase the screen to body ratio, it is considered to move part or all of the camera, the optical proximity sensor, the ambient light sensor, the receiver and a front fingerprint sensor from a region without a screen on the display panel 141 to a lower side of a screen region, and change cabling, a drive chip, and a screen cutting process 140, to effectively use mobile phone display panel 141, reduce the screenless region display panel 141, thereby increasing the screen-to-body ratio. Additionally, a solution that the camera, the optical proximity sensor, and / or the ambient light sensor are / is configured as an optical appearance module increases the complexity of a design of an electronic device structures. Consequently, product reliability is reduced and even the thickness of the entire electronic device is increased. Additionally, the use of an LCD screen is considered during the design of the electronic device, for
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25/73 solve problems of increased costs and lack of waterproof and dustproof functions due to a hole if an organic light emitting diode (OLED) is used.
[0056] In this embodiment of the present invention, all or part of the camera, the optical proximity sensor, the ambient light sensor, the receiver and the front fingerprint sensor are arranged in the screen region on the display panel 141 of the LCD. In Figure 2, that the photosensitive element 210 and the receiver 220 are arranged in the screenless region of the screen 140 and a part of the camera 230 is arranged in the screenless region of the screen 140 is used as a modality. The photosensitive element 210 includes the optical proximity sensor, a photosensitive sensor, an infrared detector, a laser detector and the like. Camera 230 includes a front camera and a rear camera. The physical button 240 is generally a home button, or a home button integrated with a fingerprint recognition module. Physical button 240 may further include a back button, a menu button and an exit button. Alternatively, physical button 240 may be a touch button at a specified position on the touch screen. For example, physical button 240 is a touch button in the center of the touch screen, and the touch button is integrated with a fingerprint recognition module. For details on receiver 220, see descriptions for speaker 161 in the mode shown in Figure 1. For details on physical button 240, the power button 250 and volume button 260, see the descriptions of the other input device 130 in the modality shown in Figure 1. It should be noted that,
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26/73 in this modality of this request, the mobile phone may also include a microphone, a data interface, a subscriber identity module card interface (subscriber identification module, SIM) (not shown in the figure), an entry headset and the like.
[0057] It should be noted that, in this embodiment of the present invention, for appearances of the photosensitive component 210, the receiver 220, the camera 230 and the physical button 240 on the mobile phone 200, the appearances of the photosensitive component 210, the receiver 220, the camera 230 and physical button 240 on mobile phone 200 can be collectively referred to as a transparent region. The transparent region is used to transmit light to the photosensitive component 210 and camera 230, and to transmit voice to receiver 220.
[0058] According to the LCD screen provided in this embodiment of the present invention, an LCD screen structure is designed to implement a local transparent region, so that external light can enter components such as the front camera and the light sensor environment that is arranged under the screen, and a full screen display effect is achieved in combination with the optimization of the layout of components such as the camera and the receiver. Therefore, the LCD screen provided in this embodiment of the present invention can be applied to all scenarios where the local transparency of the LCD screen needs to be implemented. The LCD screen provided in this embodiment of the present invention and a solution in which a pop-up structure and OLED screen are used can implement full-screen display of a mobile electronic device at low cost, and improve
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27/73 the user experience.
[0059] Figure 3 is a schematic diagram of a mobile phone interface according to an embodiment of the present invention. As shown in Figure 3, sides of use (one front and / or one rear) of the mobile phone can include a screen region 32 and a region without screen 33. The screen region includes a local transparent region 31.
[0060] Screen region 32 can be screen 140 in Figure 2. The screenless region 33 can be a screenless region of screen 140 of an interface appearance on the top surface of mobile phone 200 in Figure 2. The transparent region location 31 can be the photosensitive element 210 and camera 230 in Figure 2. In Figure 3, that the transparent region local 31 is completely arranged in the upper left corner of the screen region 32, it is completely arranged in a center of the screen region 32 , is partially arranged in a center of a lower surface of the screen region 32, or partially arranged in the center of an upper surface of the screen region 32 is used as an example. With reference to a mobile phone user interface design, all or part of a photosensitive component 11, a receiver 12 and a camera 13 can be arranged in the upper left corner of the screen region 32 or arranged in any position in the region of screen 32, and the position is not limited to the center of the top surface. A physical button 14 can be completely arranged in the center of the screen region 32 or completely or partially arranged in any position on the lower surface of the screen region 32, and the position is not limited to the center of the lower surface.
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[0061] It should be noted that the photosensitive component 210, the receiver 220, the camera 230 and the physical button 240 have different structures within the mobile phone and, therefore, the shapes presented on the surface of the mobile phone are also different. In other words, the shapes in the transparent region 31 can be different. For example, the appearances of the photosensitive component 210, camera 230 and physical button 240 can be in circular shapes on the surface of the mobile phone, and receiver 220 and physical button 240 can be in curved rectangular shapes.
[0062] Figure 4 is a schematic structural diagram of an LCD screen according to an embodiment of the present invention. As shown in Figure 4, the LCD screen can be arranged on an electronic device, and the LCD screen and the body of a 409 component of an optical component can be arranged together.
[0063] The LCD screen includes several layers of transparent material and several layers of non-transparent material that are arranged in the stacking mode. There is a local transparent region on the LCD screen. No non-transparent material is applied to each layer of non-transparent material in the local transparent region, to form a transparent channel in the local transparent region along a stacking direction. The component body 409 of the optical component can be totally or partially disposed in the transparent channel of the LCD screen.
[0064] That no non-transparent material is processed in the local transparent region in each layer of non-transparent material can be the following: In a manufacturing process, for each non-transparent material, none
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29/73 non-transparent material is processed in a position of a predefined local transparent region or non-transparent material of the predefined local transparent region is removed from all layers of transparent material, so that there is no non-transparent material in the local transparent region in the layer of non-transparent material.
[0065] It should be noted that both the local transparent region and a transparent region can be defined as a region, on the LCD screen, which is used to transmit light to the optical component. For the sake of brevity, the local transparent region and the transparent region have the same meaning and are used interchangeably.
[0066] In this embodiment of the present invention, the transparent region can be presented as a terminal inserted in the hole or a gap in the LCD screen. A terminal material inserted in the hole or the gap in the LCD screen can be implemented by skipping processing or using a cutting process, for example, a terminal inserted in hole 410 in Figure 4 to Figure 16 and a gap 1310 in Figure 13. The terminals inserted in the hole or gaps are arranged in the opposite way along the stacking direction, to form the transparent channel on the LCD screen. The component body 409 of the optical component can be totally or partially disposed in the transparent channel of the LCD screen. The terminal inserted in the hole or the gap are two different ways of presenting the transparent region. For brevity, the terminal inserted in the hole is used for description.
[0067] In some modalities, the LCD screen can
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30/73 include several layers of transparent material and several layers of non-transparent material that are arranged in stack mode. Various terminals inserted in hole 410 can be arranged in each non-transparent material, and the various terminals inserted in hole 410 are arranged in an opposite way along the stacking direction, to form a transparent channel on the LCD screen. Likewise, the component body 409 of the optical component is completely or partially disposed in the transparent channel on the LCD screen.
[0068] It should be noted that a number of terminals inserted in the hole arranged in the non-transparent material is related to a number of component bodies 409 of optical components. A plurality of terminals inserted into the hole need to be arranged if there are component bodies 409 of a plurality of optical components. In other words, the number of component bodies 409 of optical components corresponds to the number of component channels. To facilitate the description, the following performs the description using an example in which a terminal inserted in the hole is disposed in a layer of non-transparent material and a component body 409 of an optical component is disposed in the terminal inserted in the hole.
[0069] In a possible modality, the layer of non-transparent material is a layer of material whose transmittance is less than a transmittance threshold. The transmittance threshold can be 40%, 50%, 60%, 80% or the like. The transmittance threshold can be defined based on an optical detection requirement specific to an optical component. For example, a camera has a relatively high requirement for light transmission and the
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31/73 transmittance can be set between 40% and 45%. Therefore, the local transparent region or the transparent region described in this specification can also be a region whose transmittance meets a predefined transmittance threshold.
[0070] In this embodiment of the present invention, the non-transparent material layer includes a first polarizer 402a, a colored film (Color filter, CF) 404, a liquid crystal layer 405, a thin film transistor (Thin film transistor, TFT) 406, a second polarizer 402b and a backlight module 407. The transparent material layer includes a cover glass CG 400, a first glass substrate of LCD 403a and a second glass substrate of LCD 403b. The first polarizer 402a, the first LCD glass substrate 403a, the CF 404, the liquid crystal layer 405, the TFT 406, the second LCD glass substrate 403b, the second polarizer 402b and the backlight module 407 they are stacked sequentially on a bottom surface of the CG 400 cover glass. The bottom surface of the CG 400 cover glass is defined based on the stacking direction of the LCD screen when the LCD screen of the mobile phone is facing upwards. Alternatively, the bottom surface of the CG 400 cover glass can be defined specifically for a case where the LCD screen of the mobile phone is facing downwards. This is not limited in this embodiment of the present invention. Figure 4 is a schematic structural diagram of an example of an LCD screen. A stacking order of the LCD screen can be adjusted based on an actual design, and the LCD screen can include more structures
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32/73 to implement the screen. For the sake of brevity, the details are not described here.
[0071] A terminal inserted in hole 410 is disposed in the first polarizer 402a, a terminal inserted in hole 410 is disposed in CF 404, in the liquid crystal layer 405 and in TFT 406, and a terminal inserted in hole 410 is disposed in the second polarizer 402b and the backlight module 407. A position of the terminal inserted in hole 410 arranged in the first polarizer 402a corresponds separately to a position of the terminal inserted in hole 410 disposed in CF 404, the liquid crystal layer 405, and the TFT 406 and a position of the terminal inserted in the hole 410 disposed in the second polarizer 402b and in the backlight module 407.
[0072] Specifically, the terminal inserted in hole 410 is disposed in the first polarizer 402a, the terminal inserted in hole 410 is disposed in CF 404, in the liguido crystal layer 405 and in TFT 406, and the terminal inserted in hole 410 is disposed on the second polarizer 402b and on the backlight module 407, to arrange the transparent region on a mobile phone interface. During the actual manufacture of the LCD screen, the position of the transparent region on the LCD screen is determined first based on the design requirements of the entire mobile phone. The transparent region is used to transmit light to the photosensitive component 210 and camera 230 in Figure 2, and transmits voice to the receiver 220.
[0073] Specifically, a local region that needs to be transparent on the LCD screen is determined based on the design requirements of the entire machine. The regions corresponding to the first polarizer 402a and the second polarizer 402b on the LCD screen are removed. The regions
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33/73 can be removed before or after the first polarizer 402a and the second polarizer 402b are respectively
formed in the first substrate of glass in LCD 403a and at the second substrate of glass of LCD 403b. In according to region transparent projected, during The manufacturing gives exhibition crystal LCD, a layer in material no
transparent, such as CF 404, liquid crystal layer 405, TFT 406, and metallic cabling corresponding to the transparent region are not processed. A manufacturing method can be as follows: During the processing of these materials, the region is not directly processed for designing a mask. The line-column cabling that could exist and that is interrupted by the region can be arranged around the region and, therefore, a non-transparent region with a specific width is formed. Alternatively, the interrupted line-column cabling can be arranged independently, and the cabling is conducted separately from a left / right side and / or near top / bottom side, to reduce the impact on an area of the region transparent, as shown in Figure 19. A sealing material, such as a sealing adhesive or other sealing material, is processed at a periphery of the transparent region between the first LCD glass substrate 403a and the second LCD glass substrate 403b , so that there is no liquid crystal in the isolated region by using the sealing material, and a large amount of light can pass through the LCD screen. In addition, a sealing material or paint applied to the back of the cover glass can be used to protect a cabling region. Since the
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34/73 bottom 407 is not transparent, a part corresponding to the transparent region needs to be excavated during the design of the backlight module 407, and a component body of an optical component, such as a camera, can be partially extended to a part cavity based on the thickness of the hollow part, to reduce the thickness of the entire machine. As the light is partially reflected on screens for which the difference between the refractive indices is relatively large, the transmittance is reduced. For example, air gaps generated after removing previous materials on the LCD cause a reduction in transmittance. A material such as an OCA whose refractive index is close to that of the first LCD 403a glass substrate and the second LCD 403b glass substrate can fill the air gaps. The OCA can be a solid adhesive or a liquid adhesive. The solid OCA can be formed, in a bonding manner, on a lower surface of the first LCD 403a glass substrate and on an upper surface of the second LCD 403b glass substrate that corresponds to the transparent region, to increase light transmittance general. Alternatively, an inner side of the lower LCD glass substrate can be coated with an AR 411 anti-reflective film to further increase the transmittance and provide a good optical base for the optical component, such as the 230 camera. An air gap between the cover glass CG 400 and the first glass substrate of LCD 403a can be filled with an original OCA 401, and another layer of the OCA can be used or a liquid OCA can be used to fill the gap.
[0074] In a possible modality, no non-transparent material is processed in the transparent region in each
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35/73 layer of non-transparent material, and the transparent region in the layer of non-transparent material is filled with a transparent filler or a liquid crystal material.
[0075] Specifically, the liquid crystal material or the transparent filler fills a region corresponding to the transparent region between the first LCD glass substrate 403a and the second LCD glass substrate 403b. To be specific, the terminal inserted in the hole 410 disposed in the CF 404, in the liquid crystal layer 405 and in the TFT 406 is filled with the liquid crystal material or the transparent filling. In Figure 6, that the terminal inserted in the hole 410 disposed in the CF 404, the liquid crystal layer 405 and the TFT 406 is filled with the liquid crystal material is used as an example. Specifically, as the light is partially reflected on screens for which the difference between the refractive indices is relatively large, a transmittance is reduced. For example, an air gap generated after the terminal inserted in hole 410 is disposed in CF 404, liquid crystal layer 405 and TFT 406 causes a reduction in transmittance. To solve an air gap problem, the terminal inserted in the hole 410 disposed in the CF 404, in the liquid crystal layer 405 and in the TFT 406 can be filled with a liquid crystal without adding a device or process of other filling material. If no liquid crystal material or transparent filling is dripped in the region corresponding to the transparent region, no additional production process is necessary, and the light transmission is not affected.
[0076] The terminal inserted in hole 410 disposed in CF 404, in the liquid crystal layer 405 and in TFT 406 can
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36/73 can still be filled with a transparent material, such as a transparent material 710 in Figure 7. A shrinkage index of the transparent material 710 may be close to the shrinkage indices of the first LCD glass substrate 403a and the second glass substrate of 403b LCD. For example, the terminal inserted in hole 410 disposed in the first polarizer 402a and the terminal inserted in hole 410 disposed in CF 404, the liquid crystal layer 405 and TFT 406 can be filled with an OCA, and an OCA is formed in a bottom surface of the second LCD glass substrate. Different processes can be used based on different material forms of the OCA. For example, a connection method can be used for a solid OCA, and the terminal inserted in hole 410 disposed in CF 404, in the liquid crystal layer 405 and in TFT 406 is filled with OCA, to increase an overall light transmittance . For example, in Figure 10, transparent material 610 can fill the terminal inserted in hole 410 disposed in the first polarizer 402a, and the liquid crystal material fills the terminal inserted in hole 410 disposed in CF 404, in the liquid crystal layer 405 and on TFT 406, and OCA is formed on the bottom surface of the second LCD glass substrate.
[0077] It should be noted that the terminal inserted in hole 410 disposed in CF 404, in the liquid crystal layer 405 and in TFT 406 is filled with liquid crystal material. However, the filled liquid crystal material has a very low transmittance. Therefore, in an actual manufacturing process, an ITO material is processed on the bottom surface of the first LCD 403a glass substrate corresponding to the transparent region, and an
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ITO is retained on the upper surface of the second 403b LCD glass substrate. As shown in Figure 8, an ITO 811 material is formed on the top surface and the bottom surface is filled with liquid crystal material. After the ITO material is fed, the performance of the filled liquid crystal material changes, so that light can be transmitted and light transmission improved.
[0078] Specifically, in addition to the transparent material layer, there is also a ITO layer on the lower surface of the first LCD glass substrate 403a and on the upper surface of the second LCD glass substrate 403b. An electrical signal is applied to the ITO layer, to produce an electric field to control the deflection of liquid crystal. An ITO layer is still retained in several through holes through pins 410 and is connected to a corresponding electrical signal. For example, an ITO layer in one region corresponding to a terminal inserted in hole 410 in the first glass substrate of LCD 403a is also connected to an ITO layer in another region and the same electrical signal is used; and an ITO layer in a region corresponding to a terminal inserted in hole 410 in the second glass substrate of LCD 403b is connected to an independent control electrical signal, for example, an electrical control signal of one or several pixels in a region corresponding to the transparent channel can be used. Voltage is applied to the two layers of ITO, to produce an electric field to control the deflection of a liquid crystal material in the terminals inserted in hole 410, so that a large amount of light can pass through the regions corresponding to the inserted terminals.
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38/73 in the hole, thus achieving a local transparent effect.
[0079] In a possible embodiment, the transparent material also includes a first alignment film and a second alignment film. The first alignment film is manufactured on an upper surface of the liquid crystal layer 405, and the second alignment film is manufactured on a lower surface of the liquid crystal layer 405. For example, in Figure 9, a first alignment film 911a is manufactured on the upper surface of the liquid crystal layer 405 and that a second alignment film 911b is manufactured on the lower surface of the liquid crystal layer 405 is used as an example.
[0080] Specifically, in Figure 9, the liquid crystal layer 405 is formed between a lower surface of the first alignment film 911a and an upper surface of the second alignment film 911b. No first alignment film or second alignment film can be processed in a region of the terminal inserted in hole 410, and the terminal inserted in hole 410 corresponding to CF 404, the liquid crystal layer 405 and TFT 406 is filled with the material liquid crystal. For example, due to the lack of the first alignment film 911a and the second alignment film 911b in the region, the alignments in the liquid crystal layer 405 are disordered, and the liquid crystal materials in the liquid crystal layer 405 are represented as isotropic materials. , so that normally, a large amount of light can pass through the region, achieving a local transparent effect.
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[0081] In a possible embodiment, the first alignment film and the second alignment film can be processed in a region of the terminal inserted in hole 410. For example, in Figure 10, when light needs to be transmitted, the first alignment film alignment 911a and the second alignment film 911b on the terminal inserted in hole 410 are fed, so that the first alignment film 911a and the second alignment film 911b on the terminal inserted in hole 410 are invalid, alignments in the liquid crystal layer 405 are disordered, and the liquid crystal materials in the liquid crystal layer 405 are represented as isotropic materials. In this way, a large amount of light can normally pass through the region, achieving a local transparent effect.
[0082] In a possible embodiment, the first alignment film and the second alignment film can be processed only in one region of the terminal inserted in hole 410. When light needs to be transmitted, the first alignment film and the second alignment film alignments that are processed in the region of the terminal inserted in hole 410 are fed, so that the first alignment film and the second alignment film in the terminal inserted in hole 410 are invalid, the alignments in the liquid crystal layer 405 are disordered, and liquid crystal materials in the liquid crystal layer 405 are represented as isotropic materials. In this way, a large amount of light can normally pass through the region, achieving a local transparent effect.
[0083] In a possible modality, as shown in
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Figure 15, an AR 411 anti-reflective film can be further processed on the bottom surface of the cover glass CG 400 corresponding to the terminal inserted in the hole 410. As shown in Figure 4, the bottom surface of the second glass substrate of LCD 403b corresponding to the inserted terminal in hole 410 it is coated with AR 411 anti-reflective film. A number of AR 411 anti-reflective films are related to an LCD screen requirement for transmittance. The amount of AR 411 anti-reflective films can be correspondingly increased according to a specific case, to improve transmittance and provide a good optical basis for an optical component, such as a camera. No OCA is formed on the AR 411 anti-reflective film, to avoid optical interference in the optical component.
[0084] In a possible embodiment, no transparent material is processed in the transparent region on the first glass substrate of LCD 403a and on the second glass substrate of LCD 403b, to form a transparent channel in the transparent region along the stacking direction.
[0085] Specifically, several terminals inserted in the hole are arranged separately on the first glass substrate of LCD 403a and on the second glass substrate of LCD 403b. The regions of the terminals inserted in the hole arranged on the first glass substrate of LCD 403a and on the second glass substrate of LCD 403b correspond to the terminal inserted in hole 410. For example, in Figure 12, that two terminals inserted in hole 1210 are arranged separately on the first LCD glass substrate 403a and the second LCD glass substrate 403b is used as
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41/73 example. The two terminals inserted in hole 1210 are arranged on each of the first glass substrate of LCD 403a and second glass substrate of LCD 403b, so that a screen thickness in the transparent region can be used by yet another component and an overall thickness can be reduced.
[0086] In a possible embodiment, a transparent material is retained in the transparent channel in the various layers of transparent material.
[0087] Specifically, the transparent material is retained in the transparent channel in the various layers of transparent material, to form the transparent channel in the transparent region in the stacking mode. No additional manufacturing process is required, manufacturing costs are reduced and the full screen display effect is not affected. In addition, the transparent material is retained in the transparent region in the various layers of transparent material, so that the mechanical strength of the LCD screen can be increased and the overall quality of the LCD screen can be improved.
[0088] It should be noted that the transparent channel is formed in stack mode when no non-transparent material is processed in the transparent region in the various layers of non-transparent material.
[0089] In a possible embodiment, no transparent material is processed in the transparent region in the CG cover glass, to form the transparent channel in the transparent region along the stacking direction.
[0090] Specifically, several terminals inserted in the hole can still be arranged on the cover glass CG
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400. The regions of the terminals inserted in the hole, arranged in the cover glass CG 400 correspond to a position of the terminal inserted in the hole 410. For example, in Figure 13, that two terminals inserted in hole 1310 are arranged in the cover glass CG 400 is used as an example. Two through holes 1310 are arranged in the cover glass CG 400, to provide a good acoustic base for an acoustic component, such as a receiver.
[0091] It should be noted that in Figure 13, to provide a good acoustic base for the acoustic component, such as the receiver, the two terminals inserted in hole 1210 arranged in each of the first glass substrates of LCD 403a and the second substrate of 403b LCD glass corresponds to the two terminals inserted in hole 1310 arranged in the cover glass CG 400. A good acoustic base is provided for the acoustic component, such as receiver 220, using the terminal inserted in hole 410, the through holes pin 1210 and terminals inserted in bore 1310 arranged.
[0092] In a possible embodiment, a sealing material is applied to a periphery of the terminal inserted in hole 410.
[0093] Specifically, the sealing material, such as a silicone sealant, is applied to the periphery of the terminal inserted in hole 410, so that there is no liquid crystal in an isolated region using the sealing material. For example, in Figure 4, that a sealing material is applied to a periphery of the terminal inserted in hole 410 disposed in CF 404, in the liquid crystal layer 405 and in TFT 406 is used as an example.
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[0094] It should be noted that no sealing material can be applied to a periphery of the terminal inserted in hole 410 disposed in CF 404 and a periphery of the terminal inserted in hole 410 disposed in TFT 406, provided that liquid crystal is used for insulation.
[0095] In a possible embodiment, a length-width ratio of a screen dimension of a rectangular screen region without a transparent channel in a screen region is 16: 9 or 18: 9.
[0096] Specifically, in Figure 18 (d), for a screen under the transparent region, namely, a screen excluding the transparent region, a screen length is H, and a screen width is W. The H / W ratio of the screen can be 18: 9, 16: 9 or 4: 3 or another standard aspect ratio supported by film / video, so that the experience of watching a movie or video, viewing an image or the like is not affected by the transparent region .
[0097] In a possible modality, the transparent region can be totally or partially arranged in the screen region in the cover glass CG 400.
[0098] Specifically, camera 20 can be completely or partially arranged in the screen region on the cover glass CG 400. For example, camera 20 is completely arranged in the screen region in Figure 18 (a), (b), ( d), (e) and (f), and camera 20 is partially arranged in the screen region in Figure 18 (c). The transparent region can be arranged in different positions in the screen region. For example, in Figure 18 (b) and Figure 18 (d), cameras 20 are arranged in different positions in the screen region. The transparent region can be defined for different
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44/73 shapes. For example, in Figure 18 (f), camera 20 and the photosensitive component 21 can be arranged in the same transparent region 27. In Figure 18 (e), there are two cameras 20. The same as camera 20, the photosensitive component 21 it can be partially or completely arranged in the screen region, and a size and position of a transparent region corresponding to the photosensitive component 21 may vary with the photosensitive component. The receiver can be partially or completely arranged in the screen region. The physical button 24 can also be partially or completely arranged in the screen region. The physical button 24 can alternatively be a touch button at a specified position in the screen region. For example, physical button 24 is a touch button in a central position in the screen region, and the touch button is integrated with a fingerprint recognition module, for example, a physical button 25 shown in Figure 18 (b ), Figure 18 (c), Figure 18 (d), and Figure 18 (e).
[0099] The following describes a position, size and shape of the transparent region arranged in the screen region with reference to Figure 4 to Figure 17.
[00100] A position of a gap 1410 in Figure 14 is different from the positions in Figure 4 to Figure 13 and Figure 15 to Figure 17. The transparent channel in Figure 15 has a greater depth and the component body 409 of the optical component can be partially arranged in the transparent channel. The component body 409 of the optical component can be totally or partially arranged under the transparent channel in other accompanying drawings. In Figure 16, to better prevent the 409 component body of the optical component from interference
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45/73 of dust, a 1611 sealing material can be applied to the component body 409 of the optical component, but the middle transparent channel needs to be retained. An OCA is removed from the terminal inserted into the hole in which the 1611 sealing material is applied. When the OCA 401 is exposed to air, the OCA is easily covered with dust and the surface becomes uneven. Consequently, the photograph is affected. Some of the various layers of materials on the LCD screen can be synthesized. For example, in Figure 17, the first LCD glass substrate and the CF are synthesized as a CF 1711 glass, and the second LCD glass substrate and the TFT are synthesized as a 1712 TFT glass.
[00101] In this embodiment of the present invention, a cutting method, such as computerized numerical control (CNC) or laser processing cut, can be used for the first polarizer, the first LCD glass substrate, the second LCD glass substrate, the second polarizer and the backlight module. At least one terminal inserted in the hole is arranged in the first polarizer, the second polarizer and the backlight module. The at least one terminal inserted in the hole can be obtained by cutting before or after the first polarizer and the second polarizer are formed in the cover glass CG. During the design of the transparent region, no non-transparent material corresponding to the transparent region can be processed, for example, CF, TFT and metallic cabling. For CF, TFT and metallic cabling, no non-transparent material corresponding to the transparent region can be processed by designing a mask. The row-column cabling that
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46/73 could exist and that is interrupted by the unprocessed region it can be arranged around the unprocessed region and, therefore, a non-transparent region with a specific width is formed. Alternatively, line-column cabling that is interrupted can be arranged independently, line cabling is routed out from a right / left side, and column cabling is routed out from an upper / lower side , to reduce an impact on an area of the transparent region. As shown in Figure 19, the row-column cabling that could exist and that is interrupted by the unprocessed region can be arranged around the unprocessed region and, therefore, a non-transparent region with a specific width is formed. The non-transparent region can be formed by sealing using a sealing material m. Alternatively, interrupted line-column cabling can be arranged independently, line h cabling is routed out from a right / left side, and column 1 cabling is routed out from one side upper / lower to reduce an impact on an area of the transparent region. To prevent leakage of cabling, a sealing material or paint applied to the back of the cover glass can be used to protect a cabling region. For example, in Figure 20, a 2004 sealing material is used to isolate a transparent region
2001 and a liquid crystal 2003, and a silicone sealant
2002 is used to prevent liquid crystal 2003 from leaking.
[00102] It should be noted that an LCD screen production process is a production process related to
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47/73 evaporation, sputtering and the like, and an OCA or an adhesive tape is used to connect only between modules.
[00103] In some embodiments, the LCD screen includes several layers of transparent material and several layers of non-transparent material that are arranged in stack mode. There is a transparent region on the LCD screen. No non-transparent material is processed in the transparent region in the various layers of non-transparent material, to form a component channel in the transparent region along a stacking direction. A fingerprint sensor is fully or partially disposed in the component channel of the LCD screen.
[00104] In this embodiment of the present invention, the transparent region can be presented as a terminal inserted in the hole or a gap in the LCD screen. A terminal material inserted in the hole or gap in the LCD screen can be implemented by skipping processing or using a cutting process, for example, a terminal inserted in hole 410 in Figure 21. The terminals inserted in the hole or gaps are arranged opposite way along the stacking direction, to form a transparent channel on the LCD screen. The component body 409 of the optical component can be totally or partially disposed under the transparent channel of the LCD screen or partially disposed in the transparent channel. The terminal inserted in the hole or the gap are two different ways of presenting the transparent region. For brevity, the terminal inserted in the hole is used for description.
[00105] In some modalities, the LCD screen includes
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48/73 several layers of transparent material and several layers of non-transparent material that are arranged in stack mode. There are several terminals inserted in the hole in the LCD screen that are formed in at least one layer of the various layers of non-transparent material and in the various layers of transparent material, and the various terminals inserted in the hole are arranged in an opposite way along the direction of stacking, to form a component channel on the LCD screen. A fingerprint sensor is partially or completely disposed in the component channel. In Figure 21, the fingerprint sensor is completely arranged in the component channel. In that case, the mobile phone has a smaller thickness.
[00106] The layer of non-transparent material is a layer of material whose transmittance is less than a transmittance threshold. The transmittance threshold can be 40%, 50%, 60%, 80% or the like. The transmittance threshold can be defined based on an optical detection requirement specific to an optical component. For example, a camera has a relatively high requirement for light transmission, and the transmittance threshold can be set between 40% and 45%.
[00107] Several terminals inserted in the hole are arranged in at least one of the several layers of transparent material, so that various transparent materials can be used to transmit light, and the terminals inserted in the hole can be correspondingly adjusted based on an amount of fingerprint sensors and a fingerprint sensor size.
[00108] In this embodiment of the present invention, the
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49/73 layer of non-transparent material includes a first polarizer 402a, a CF 404, a liquid crystal layer
405, a TFT 406, a second polarizer 402b and a backlight module 407. The transparent material layer includes a cover glass CG 400, a first glass substrate of LCD 403a and a second glass substrate of LCD 403b. The first polarizer 402a, the first LCD glass substrate 403a, the CF 404, the liquid crystal layer 405, the TFT
406, the second LCD glass substrate 403b, the second polarizer 402b and the backlight module 407 are stacked sequentially on a lower surface of the cover glass CG 400. Additionally, the terminal inserted in hole 410 is arranged throughout the first polarizer 402a, the first LCD glass substrate 403a, the CF 404, the liquid crystal layer 405, the TFT 406, the second LCD glass substrate 403b, the second polarizer 402b and the backlight module 407. The 2011 fingerprint sensor is completely arranged in the component channel. The bottom surface of the CG 400 cover glass is defined based on the stacking direction of the LCD screen when the mobile phone's LCD screen is facing upwards. Alternatively, the bottom surface of the CG 400 cover glass can be defined specifically for a case where the LCD screen of the mobile phone is facing downwards. This is not limited in this embodiment of the present invention. Figure 21 is a schematic structural diagram of an example of an LCD screen. A stacking order of the LCD screen can be adjusted based on an actual design, and the LCD screen can include more structures to implement the screen. For the sake of brevity, the
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50/73 details are not described here.
[00109] In a possible modality, the fingerprint sensor can be an optical fingerprint sensor, a capacitive fingerprint sensor or an optical digital recognition sensor. A display can be arranged on both sides of the sensor to increase the screen to body ratio.
[00110] In this embodiment of the present invention, the various terminals inserted in the hole are arranged on the LCD screen, to form the component channel on the LCD screen, so that the fingerprint sensor is partially or completely disposed on the component channel. .
[00111] It should be noted that Figure 5 is a schematic diagram of cross section along the directions of AA 'and BB' on the right side of Figure 4 and Figure 6 to Figure 17.
[00112] In an LCD screen manufacturing process, to attach the CG 400 cover glass and a mobile phone cover, a 413 sticker in Figure 4 can be used to glue the CG 400 cover glass and a 412 frame, to attach the cover glass CG 400 and the cover of the mobile phone. Structure 412 can be a support structure or a cabling region. For the sake of brevity, the details are not described here.
[00113] In the previous embodiments of the present invention, the optical component can be any component that is configured to form an optical circuit or constitutes an optical component, or an optical-related component. For example, the optical component can be a component such as an optical fingerprint sensor, a camera, an
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optical proximity, a sensor of light structured, one laser transmitter infra-red it is a sensor light environment. For example when the light goes by by the camera, an
image can be formed.
[00114] Certainly, the previous modalities can be combined in several ways within the scope of protection requested by this request.
[00115] In accordance with the modalities of the present invention, optical components, such as a camera and an ambient light sensor, and an optical fingerprint sensor and another component can be arranged under the LCD screen using the transparent region on the display screen. LCD, thereby significantly increasing the screen to body ratio and achieving a full screen effect.
[00116] Figure 22 is a flowchart of an LCD screen manufacturing method according to one embodiment of the present invention. As shown in Figure 22, the LCD screen manufacturing method can include the following steps.
[00117] Step 2201: Determine a transparent region arranged on an LCD screen.
[00118] Step 2202: Skip the processing of a non-transparent material in the transparent region, where the LCD screen includes several layers of transparent material and several layers of non-transparent material, to form a transparent channel in the transparent region along a direction stacking.
[00119] Step 2203: Combine the various layers of transparent material and the various layers of non-transparent material.
[00120] That no non-transparent material is
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52/73 processed in a local transparent region in each layer of non-transparent material can be the following: In a manufacturing process, for each non-transparent material, no non-transparent material is processed in a position of a predefined local transparent region or a non-transparent material from the predefined local transparent region is removed from all layers of transparent material, so that there is no non-transparent material in the local transparent region in the non-transparent material layer.
[00121] It should be noted that both the local transparent region and the transparent region can be defined as a region, on the LCD screen, used to transmit light to an optical component. For the sake of brevity, the local transparent region and the transparent region have the same meaning and are used interchangeably.
[00122] In this embodiment of the present invention, the transparent region can be presented as a terminal inserted in the hole or a space on the LCD screen. A terminal material inserted in the hole or gap in the LCD screen can be implemented by skipping processing or using a cutting process, for example, a terminal inserted in the hole in Figure 4 to Figure 16 and a gap in Figure 13. The terminals inserted in the hole or gap are arranged in an opposite way along the stacking direction, to form the transparent channel on the LCD screen. A component body of an optical component can be totally or partially arranged in the transparent channel of the LCD screen. The terminal inserted in the hole or the gap are two different ways of presenting the transparent region. Per
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For the sake of brevity, the terminal inserted in the hole is used for description.
[00123] It should be noted that a number of terminals inserted in the hole arranged in the non-transparent material is related to a number of optical components. A plurality of terminals inserted in the hole must be arranged if there are a plurality of optical components. In other words, the number of optical components can be in a one-to-one correspondence with the number of component channels, or a plurality of optical components are arranged in a terminal inserted in the hole. This is determined specifically based on a process design. To facilitate the description, the following description is performed using an example in which a terminal inserted in the hole is arranged in the layer of non-transparent material.
[00124] In a possible embodiment, the layer of non-transparent material is a layer of material whose transmittance is less than a transmittance threshold. The transmittance threshold can be 40%, 50%, 60%, 80% or the like. The transmittance threshold can be defined based on an optical detection requirement specific to an optical component. For example, a camera has a relatively high requirement for light transmission, and the transmittance threshold can be set between 40% and 45%. Therefore, the local transparent region or the transparent region described in this specification can also be a region whose transmittance meets a predefined transmittance threshold.
[00125] In this embodiment of the present invention, the
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54/73 layer of non-transparent material includes a first polarizer, a CF, a liquid crystal layer, a TFT, a second polarizer and a backlight module. The transparent material layer includes a CG cover glass, a first LCD glass substrate and a second glass substrate. The first polarizer, the first LCD glass substrate, the CF, the liquid crystal layer, the TFT, the second LCD glass substrate, the second polarizer and the backlight module are stacked sequentially on a lower surface of the CG cover glass. The bottom surface of the CG 400 cover glass is defined based on the stacking direction of the LCD screen when the LCD screen of a mobile phone is facing upwards. Alternatively, the bottom surface of the CG 400 cover glass can be defined specifically for a case where the LCD screen of the mobile phone is facing downwards. This is not limited in this embodiment of the present invention. Figure 4 is a schematic structural diagram of an example of an LCD screen. A stacking order of the LCD screen can be adjusted based on an actual design, and the LCD screen can include more structures to implement the screen. For the sake of brevity, the details are not described here.
[00126] Specifically, a position is determined to arrange the transparent region. The transparent region is arranged on the LCD screen. The LCD screen includes the CG cover glass, the first polarizer, the first LCD glass substrate, the CF, the liquid crystal layer, the TFT, the second LCD glass substrate, the second polarizer and the Backlight. No non-transparent material
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55/73 is processed in the transparent region in the first polarizer, the CF, the liquid crystal, the TFT, the second polarizer and the backlight module, to form the transparent channel in the transparent region along the stacking direction. The cover glass CG, the first polarizer, the first LCD glass substrate, the CF, the liquid crystal, the TFT, the second LCD glass substrate, the second polarizer and the backlight module are formed sequentially.
[00127] In this embodiment of the present invention, a way of cutting like CNC or laser processing cut can be used for the first polarizer, the first LCD glass substrate, the second LCD glass substrate, the second polarizer and the backlight module. A first terminal inserted in the hole is arranged on the first polarizer, the second polarizer and the backlight module. The first terminal inserted in the hole can be obtained by cutting before or after the first polarizer and the second polarizer are formed in the cover glass CG. During the design of the transparent region, no non-transparent material corresponding to the transparent region can be processed, for example, CF, TFT and metallic cabling. For CF, TFT and metallic cabling, no non-transparent material corresponding to the transparent region can be processed when designing a mask.
[00128] In accordance with this embodiment of the present invention, optical components such as a camera, an ambient light sensor and an optical fingerprint sensor and another component can be arranged under the LCD screen using the transparent region on the LCD screen , thereby significantly increasing the screen-to-body ratio and getting
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56/73 a full screen effect.
[00129] In a possible mode, before the step of combining the various layers of transparent material and the various layers of non-transparent material, the method of fabricating the LCD screen also includes: skipping the processing of a non-transparent material in the transparent region in the various layers of non-transparent material, and fill a transparent filler or a liquid crystal material.
[00130] Specifically, the liquid crystal material or the transparent filler fills a region corresponding to the transparent region between the first LCD glass substrate and the second LCD glass substrate. To be specific, the first terminal inserted in the hole is filled with the liquid crystal material or the transparent filling, as shown in Figure 6. Filling the region corresponding to the transparent region with the liquid crystal material does not increase the implementation difficulty. In addition, if no liquid crystal material or transparent filling is dripped in the region corresponding to the transparent region, no additional production process is necessary, and the light transmission is not affected.
[00131] As the light is partially reflected on screens for which the difference between the refractive indices is relatively large, the transmittance is reduced. For example, an air gap generated after a first terminal inserted in the hole is disposed in the CF, the liquid crystal layer and the TFT causes a reduction in transmittance. To solve an air gap problem, the first terminal inserted in the hole arranged in the CF, in the liquid crystal layer
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57/73 and in the TFT can be filled with a liquid crystal without adding a device or a process of other filling material.
[00132] The first terminal inserted in the hole disposed in the CF, in the liquid crystal layer and in the TFT can also be filled with a transparent material. A refractive index of the transparent material may be close to the refractive indices of the first LCD glass substrate and the second LCD glass substrate. For example, the first terminal inserted in the hole disposed in the first polarizer, the CF, the liquid crystal layer and the TFT can be filled with an OCA, and an OCA is formed on a lower surface of the second LCD glass substrate. Different processes can be used based on different material forms of the OCA. For example, a connection method can be used for a solid OCA and the first terminal inserted into the hole disposed in the CF, the liquid crystal layer and the TFT can be filled with the OCA, to improve overall light transmittance. Alternatively, the transparent material can fill a first hole arranged in the first polarizer, and the liquid crystal material fills the first hole arranged in the CF, in the liquid crystal layer and in the TFT, and the OCA is formed on the bottom surface of the second substrate. LCD glass, as shown in Figure 11.
[00133] It should be noted that the first terminal inserted in the hole disposed in the CF, in the crystal layer and in the TFT is filled with the liquid crystal material. However, the filled liquid crystal material has a very low transmittance. Therefore, in a process of
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58/73 actual fabrication, an ITO material is retained on a lower surface of the first LCD glass substrate corresponding to the transparent region, and an ITO material is retained on an upper surface of the second LCD glass substrate. An electrical signal is applied to the ITO material, to produce an electric field to control liquid crystal deflection. An ITO layer is still maintained on several transparent channels and is connected to a corresponding electrical signal. For example, an ITO layer in one region corresponding to a second terminal inserted in the hole in the first LCD glass substrate is also connected to an ITO layer in another region and the same electrical signal is used; and an ITO layer in a region corresponding to a second terminal inserted in the hole in the second LCD glass substrate is connected to an independent control electrical signal, for example, an electrical control signal of one or several pixels in an original region corresponding to the transparent channel can be used. Voltage is applied to the two layers of ITO, to produce an electric field to control the deflection of a liquid crystal material in the transparent channels, so that a large amount of light can pass through the regions corresponding to the terminals inserted in the hole, thus reaching a local transparent effect, as shown in Figure 8.
[00134] Specifically, there is still an ITO layer on the bottom surface of the first LCD glass substrate and an ITO layer on the top surface of the second LCD glass substrate.
[00135] In a possible modality, the material
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The transparent 59/73 also includes a first alignment film and a second alignment film. A liquid crystal material is dripped between a lower surface of the first alignment film and an upper surface of the second alignment film, as shown in Figure 4.
[00136] In a possible embodiment, the liquid crystal material is dripped between the lower surface of the first alignment film and the upper surface of the second alignment film, to form the liquid crystal layer. No first alignment film or second alignment film is processed in a region of the first terminal inserted into the hole, and the first terminal inserted into the hole is filled with liquid crystal material. Due to the lack of the first alignment film and the second alignment film in the region, the alignments in the liquid crystal layer are disordered, and the liquid crystal materials in the liquid crystal layer are represented as isotropic materials, so that a large amount light can normally pass through the region, thus achieving a local transparent effect, as shown in Figure 9.
[00137] In a possible embodiment, the liquid crystal material is dripped between the lower surface of the first alignment film and the upper surface of the second alignment film, to form the liquid crystal layer. The first alignment film and the second alignment film are processed at the first terminal inserted into the hole, and the first terminal inserted into the hole is filled with liquid crystal material. When
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60/73 the light needs to be transmitted, the first alignment film and the second alignment film on the first terminal inserted into the hole are fed, so that the first alignment film and the second alignment film on the first terminal inserted into the hole are fed. invalid, alignments in the liquid crystal layer are disordered, and the liquid crystal materials in the liquid crystal layer are represented as isotropic materials. In this way, a large amount of light can normally pass through the region, thereby achieving a local transparent effect, as shown in Figure 10.
[00138] In a possible embodiment, the first alignment film and the second alignment film can be processed only in a region of the first terminal inserted in the hole. When light needs to be transmitted, the first alignment film and the second alignment film that are processed in the region of the first terminal inserted into the hole are fed, so that the first alignment film and the second alignment film on the first inserted terminal in the hole are invalid, alignments in the liquid crystal layer are disordered, and the liquid crystal materials in the liquid crystal layer are represented as isotropic materials. In this way, a large amount of light can normally pass through the region, achieving a local transparent effect.
[00139] In a possible modality, before the step of combining the several layers of transparent material and the several layers of non-transparent material, the method also includes: cutting a transparent material from the first
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61/73 LCD glass substrate and the second LCD glass substrate in the transparent region, to form the transparent channel in the transparent region along the stacking direction.
[00140] Specifically, the transparent material of the first LCD glass substrate and the second LCD glass substrate in the transparent region is removed. In other words, a second terminal inserted in the hole corresponding to the first terminal inserted in the hole is disposed on the first LCD glass substrate and the second LCD glass substrate. A number of second terminals inserted into the hole is related to a number of cameras, receivers, photosensitive components, or physical buttons. For example, when there are two cameras, two second terminals inserted into the hole are arranged on each of the first LCD glass substrate and the second LCD glass substrate, as shown in Figure 12.
[00141] In a possible mode, before the step of combining the various layers of transparent material and the various layers of non-transparent material, the method also includes: processing a transparent material in the transparent channel in the various layers of transparent material.
[00142] Specifically, the transparent material is processed in the transparent channel in the various layers of transparent material, to form the transparent channel in the transparent region in stack mode. No additional manufacturing process is required, manufacturing costs are reduced and the full screen display effect is not affected. Additionally, the transparent material is retained in the transparent region in the various layers of material
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62/73 transparent, so that the mechanical strength of the LCD screen can be increased and the overall quality of the LCD screen can be improved.
[00143] It should be noted that the transparent channel is formed in stack mode when no non-transparent material is processed in the transparent region in the various layers of non-transparent material.
[00144] In a possible modality, before the step of combining the several layers of transparent material and the several layers of non-transparent material, the method also includes: cutting a transparent material from the CG cover in the transparent region, to form the transparent channel in the transparent region along the stacking direction.
[00145] Specifically, the transparent material of the CG cover in the transparent region is removed, so that a third terminal inserted in the hole corresponding to the first terminal inserted in the hole is disposed on the cover glass CG. A region that is of the cover glass CG and that is corresponding to the third terminal inserted in the hole is removed, so that the third terminal inserted in the hole corresponds to the first terminal inserted in the hole. The third terminal inserted in the hole is arranged to transmit voice to an acoustic component placed under the LCD screen. A number of third terminals inserted into the hole are related to a number of acoustic components, as shown in Figure 13.
[00146] In a possible embodiment, a sealing material is applied to a periphery of the transparent channel of the various non-transparent layers.
[00147] Specifically, the sealing material is
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63/73 applied to a periphery of the first terminal inserted in the hole disposed in the liquid crystal layer.
[00148] In a possible embodiment, a length-width ratio of a screen dimension of a rectangular screen region without a transparent channel in a screen region is 16: 9 or 18: 9.
[00149] Specifically, in Figure 18 (d), for a screen under the transparent region, that is, a screen excluding the transparent region, a screen length is H and a screen width is W. The H / W ratio of the The screen can be 18: 9, 16: 9 or 4: 3, so that the experience of watching a movie or video, viewing an image or the like is not affected by the transparent region.
[00150] It should be noted that the transparent region is arranged on the LCD screen and the regions corresponding to the transparent region of the first polarizer, the first LCD glass substrate, the CF, the liquid crystal layer, the TFT, the second LCD glass substrate, the second polarizer and the backlight module on the LCD screen are removed separately. The regions can be removed before or after the first polarizer, the first LCD glass substrate, the CF, the liquid crystal layer, the TFT, the second LCD glass substrate, the second polarizer, and the light module. background are formed.
[00151] In accordance with this modality of the present invention, optical components such as the camera and the ambient light sensor and another component can be arranged under the screen using the transparent region on the LCD screen, thus greatly increasing the screen for body proportion and achieve a full screen effect.
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[00152] Next, the method of manufacturing LCD screens provided in the modalities of the present invention with reference to Mode 1, Mode 2 and Mode 3 is described.
Mode 1
[00153] In a possible embodiment, the first polarizer and the second polarizer are used, and the first polarizer and the second polarizer are partially removed from a specific region. Light penetrating a specific region on the first LCD glass substrate can be considered as natural light. No high transmittance material, such as CF, a metal line and the TFT component is processed in the specific region, and a silicone sealant is applied, so that there is no liquid crystal in the specific region. In this way, a large amount of light can pass through the region, thus achieving a local transparent effect, as shown in Figure 4.
[00154] Specifically, the LCD screen manufacturing method may include the following steps.
[00155] Step 1: Determine, based on the design requirements of the entire machine, a region that needs to be transparent on the LCD screen, and remove regions corresponding to the first polarizer and the second polarizer on the LCD screen, where the regions can be removed before the polarizers are formed on the glasses or after the polarizers are laminated on the glasses. The transparent region can be completely within the screen region or at an edge of the screen region.
[00156] Step 2: Skip, based on the projected transparent region, processing a layer of
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65/73 non-transparent material, such as CF, TFT and metallic cabling corresponding to the transparent region during the manufacture of the LCD screen and during the processing of the CF and TFT corresponding to the transparent region, directly skip processing of the CF and TFT corresponding to the region transparent for designing a mask. The line-column cabling that could exist and which is interrupted by the region can be arranged around the region and, therefore, a non-transparent region with a specific width is formed. Alternatively, the interrupted line-column cabling can be arranged independently, and the cabling is conducted separately from a left / right side or near top / bottom side, to reduce the impact on an area of the transparent region , as shown in Figure 19.
[00157] Step 3: Process a sealing adhesive or other sealing material on a periphery of the transparent region on the first LCD glass substrate and on the second LCD glass substrate that correspond to the transparent region, so that there is no liquid crystal in an isolated region using the sealing material, and a large amount of light can pass through the LCD screen. In addition, a sealing material or paint applied to the back of the cover glass can be used to protect a cabling region.
[00158] Step 4: Since the backlight module of the LCD screen is not transparent, excavate a part corresponding to the transparent region during the design of the backlight module, and partially extend a component body of a component, such as a camera, in a part excavated based
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66/73 in the thickness of the excavated part, to reduce the thickness of the entire machine.
[00159] Step 5: As the light is partially reflected on the screens for which a difference between the refractive indices is relatively large, and the transmittance is reduced, for example, the air gaps generated after removing the previous materials on the screen LCDs cause a reduction in transmittance, fill air gaps with a material such as an OCA whose refractive index is close to the first LCD glass substrate and the second LCD glass substrate, to increase overall light transmittance, or coat a bottom surface of the second LCD glass substrate with an AR anti-reflective film to further increase transmittance and provide a good optical base for an optical component, such as the camera.
[00160] Specifically, an air gap between the CG cover glass and the LCD glass substrate can be filled with an original OCA, and another layer of the OCA can be used or a liquid OCA can be used to fill the space .
[00161] Step 7: Combine and position the LCD screen and the camera, an ambient light sensor, an optical proximity sensor or another component to obtain a full screen effect.
[00162] It should be noted that steps 1, 2 and 4 can be performed simultaneously or separately, and an order of execution is not limited.
[00163] According to an improved LCD screen structure and a method of implementing the improved LCD screen structure provided in the present invention, a hole
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67/73 is placed on a material with a structure other than glass, to achieve local transparency. In comparison with the prior art, there is no need to use an OLED screen, and it is not necessary to remove a glass to obtain a transparent effect. Therefore, there are more advantages in good productivity, reliability and costs.
Mode 2
[00164] In Mode 2 of the present invention, the first polarizer and the second polarizer in which different forms of holes are formed are used. In other words, the polarizers are partially removed from a specific region, so that light penetrating the specific region on an LCD glass is still natural light. In addition, no high transmittance material, such as CF, a metal line and the TFT component, is manufactured in the specific region. In addition, an alignment film in the region is rendered invalid, liquid crystal alignments are disordered, and liquid crystals are represented as isotropic materials, so that a large amount of light can normally pass through the region, to obtain a local transparent effect. . No other transparent material, such as ITO alignment and cabling film, can be processed to further increase transmittance, as shown in Figure 9.
[00165] Step 1: determine, based on a machine-wide design requirement, a region that needs to be transparent on the LCD screen, and remove regions corresponding to the first polarizer and the second polarizer on the LCD screen, where the regions can be
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68/73 removed before or after the polarizers are laminated to the glasses. The transparent region can be completely within the screen region or at an edge of the screen region.
[00166] Step 2: jump, based on the projected transparent region, processing a layer of non-transparent material, such as CF, TFT and metallic cabling corresponding to the transparent region during the manufacture of the LCD screen and during the processing of the CF 404 and the TFT 406 corresponding to the transparent region, directly skip the processing of the CF and TFT corresponding to the transparent region when designing a mask. The row-column cabling that could exist and that is interrupted by the region can be arranged around the region and, therefore, a non-transparent region with a specific width is formed. Alternatively, the interrupted line-column cabling can be arranged independently, and the cabling is conducted separately from a left / right or top / close side to reduce the impact on an area of the transparent region , as shown in Figure 19.
[00167] Step 3: Process a sealing adhesive or other insulation material on a periphery of the transparent region on the first LCD glass substrate and the second LCD glass substrate, and make an alignment film in the region invalid so that liquid crystals in the transparent region are in random directions, and liquid crystals have an isotropic feature, and a large amount of light can normally pass through the LCD screen.
[00168] Step 4: as the screen backlight module
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69/73 LCD is non-transparent, excavating a part corresponding to the transparent region during the design of the backlight module, and partially extending a component body of a component, such as a camera, into an excavated part based on the thickness of the excavated part, to reduce the thickness of the entire machine.
[00169] Step 5: as the light is partially reflected on the screens for which a difference between the refractive indices is relatively large, and the transmittance is reduced, for example, the air gaps generated after removing the previous materials on the screen LCDs cause a reduction in transmittance, fill air gaps with a material such as an OCA whose refractive index is close to the first LCD glass substrate and the second LCD glass substrate, to increase overall light transmittance, or coat a bottom surface of the second LCD glass substrate with an AR anti-reflective film to further increase transmittance and provide a good optical base for an optical component, such as the camera.
[00170] Specifically, an air gap between the CG 400 cover glass and the LCD 403a glass substrate can be filled with an original OCA, and another layer of the OCA can be used or a liquid OCA can be used to fill the space.
[00171] Step 7: combine and position the LCD screen and the camera, an ambient light sensor, an optical proximity sensor or other component to obtain various full screen effects.
[00172] It should be noted that steps 1, 2 and 4 can be performed simultaneously or separately, and an order
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70/73 execution is not limited.
[00173] In accordance with this embodiment of the present invention, an existing liquid crystal can be used to fill an insulating region between the first LCD glass substrate and the second LCD glass substrate without the addition of a device or a process other filling material.
Mode 3
[00174] In Modality 3 of the present invention, a region without a local screen is projected on a screen region on the LCD screen. There is no liquid crystal, metallic cabling, TFT component or other structure in the region, and the region is removed, so that a large amount of light normally passes through the region, to obtain a local transparent effect, as shown in Figure 12.
[00175] Specifically, the LCD screen manufacturing method may include the following steps.
[00176] Step 1: determine, based on the design requirements of the whole machine, a region that needs to be transparent local on the LCD screen, and remove regions corresponding to the first polarizer and the second polarizer on the LCD screen, where the regions can be removed before the polarizers are laminated to the first LCD glass substrate and the second LCD glass substrate or the regions can be removed together with the first LCD glass substrate and the second LCD glass substrate after the polarizers be laminated to the first LCD glass substrate and the second LCD glass substrate. The transparent region can be completely within the screen region or at an edge of the
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71/73 screen region.
[00177] Step 2: skip, based on the projected transparent region, processing a layer of non-transparent material, such as CF 404, the TFT 406 component and the metal routing corresponding to the region during the manufacture of the liquid crystal screen LCD, and during the processing of the CF 404 and TFT 406 corresponding to the transparent region, skip directly processing the region when designing a mask. The line-column cabling that could exist and that is interrupted by the region can be arranged around the region and, therefore, a non-transparent region with a specific width is formed. Alternatively, the interrupted line-column cabling can be arranged independently, and the cabling is conducted separately from a left / right side or near top / bottom side, to reduce the impact on an area of the transparent region .
[00178] Step 3: Process a sealing adhesive or other sealing material on a periphery of the transparent region on the first LCD glass substrate and on the second LCD glass substrate, so that there is no liquid crystal in an isolated region using the sealing material; use a sealing material or paint applied to the back of the CG cover glass to protect a cabling region; and completely remove the transparent region from the screen using a processing method, such as a cutting wheel or laser cutting.
[00179] Step 4: as the backlight module of the LCD screen is not transparent, excavate a part corresponding to the transparent region during the design of the backlight module
Petition 870190129894, of 12/09/2019, p. 78/101
72/73 bottom, and partially extend a component body of a component, such as a camera, into an excavated part based on the thickness of the excavated part, to reduce the thickness of the entire machine.
[00180] Step 5: as the light is partially reflected on screens for which the difference between the refractive indices is relatively large, and the transmittance is reduced, cover an inner side of the LCD cover glass CG 400 with an anti-reflective film AR, to further increase transmittance and provide a good optical base for an optical component, such as the camera.
[00181] It should be noted that an OCA between the CG 400 cover glass and the first LCD glass substrate and an OCA between the first LCD glass substrate and the second LCD glass substrate can also be removed from the transparent region. .
[00182] Step 6: combine and position the camera, an ambient light sensor, an optical proximity sensor or another component to obtain a full screen effect.
[00183] It should be noted that steps 1, 2 and 4 can be performed simultaneously or separately, and an order of execution is not limited.
[00184] The technical effects of Modality 3 of the present invention are as follows: there is no need to fill an air gap between the CG glass cover and the first LCD glass substrate, and a thickness of the screen in the transparent region can be still used by another component, thus reducing an overall thickness.
[00185] In accordance with the modalities of the present invention, an LCD screen structure is designed to
Petition 870190129894, of 12/09/2019, p. 79/101
73/73 implement local transparency so that external light can enter components such as the camera, the ambient light sensor, the optical sensor and the optical fingerprint sensor that is arranged under the LCD screen and, in combination with the layout optimization of components such as the camera and a receiver, a structure in which the components and another component are placed under the screen is implemented, the screen to body ratio is increased considerably, and the full screen effect is achieved.
[00186] The steps in the method or algorithm described in the modalities disclosed in this specification can be implemented by hardware, a software module executed by the processor or a combination of hardware and software. The software module can reside in a random access memory (RAM), a memory, a read-only memory (ROM), an electrically programmable ROM, an electrically erasable programmable ROM, a recorder, a hard disk, a removable disk, a CD-ROM or any other form of storage medium known in the art.
[00187] In previous specific implementations, the purpose, technical solutions, and benefits of the present invention are further described in detail. It should be understood that the foregoing descriptions are only specific implementations of the present invention, but are not intended to limit the scope of protection of the present invention. Any modification, equivalent replacement or improvement made without departing from the principle of the present invention must be within the scope of protection of the present invention.

权利要求:
Claims (20)
[1]
1. LCD screen, characterized by the fact that the LCD screen is arranged in an electronic device; and the LCD screen comprises several layers of transparent material and several layers of non-transparent material that are arranged in the stacking mode; there is a local transparent region on the LCD screen; no non-transparent material is applied to the various layers of non-transparent material in the local transparent region, to form a transparent channel in the local transparent region along a stacking direction; and a component body of an optical component in the electronic device is completely or partially disposed in the transparent channel.
[2]
2. LCD screen, according to claim 1, characterized by the fact that a position, in the various layers of non-transparent material, to which no non-transparent material is applied is filled with a transparent filling or a liquid crystal material.
[3]
LCD screen according to claim 1 or 2, characterized in that the layer of transparent material comprises a CG cover glass, a first LCD glass substrate and a second LCD glass substrate; the layer of non-transparent material comprises a first polarizer, a colored film (CF), a liquid crystal layer, a thin film transistor (TFT), a second polarizer and a backlight module; and the first polarizer, the first LCD glass substrate, the CF, the liquid crystal layer, the TFT, the second LCD glass substrate, the second polarizer and the backlight module are formed sequentially over
Petition 870190108172, of 10/24/2019, p. 14/26
2/6 a lower surface of the CG cover glass.
[4]
4. LCD screen according to claim 3, characterized in that the layer of transparent material further comprises a first layer of ITO material and a second layer of ITO material, the first layer of ITO material is formed in the local transparent region and on a lower surface of the first LCD glass substrate, and the second layer of ITO material is formed in the local transparent region and on an upper surface of the second LCD glass substrate.
[5]
5. LCD screen according to claim 3 or 4, characterized in that the layer of transparent material further comprises a first alignment film and a second alignment film, and the liquid crystal layer is formed between a surface bottom of the first alignment film and an upper surface of the second alignment film.
[6]
6. LCD screen according to any one of claims 3 to 5, characterized in that no transparent material is applied to the first LCD glass substrate and the second LCD glass substrate in the local transparent region, to form the transparent channel in the local transparent region along the stacking direction.
[7]
LCD screen according to any one of claims 1 to 6, characterized in that a transparent material is retained in the transparent channel in the various layers of transparent material.
[8]
8. LCD screen, according to any of the
Petition 870190108172, of 10/24/2019, p. 15/26
3/6 claims 1 to 7, characterized by the fact that a sealing material is applied to a periphery of the transparent channel in the various layers of non-transparent material.
[9]
LCD screen according to any one of claims 1 to 8, characterized in that the length-width ratio of a screen dimension of a rectangular screen region without a transparent channel in the screen region is 16: 9 or 18: 9.
[10]
10. An electronic device, comprising an optical component and the LCD screen according to any one of claims 1 to 9, characterized in that an optical component body is completely or partially arranged in a transparent channel of the LCD screen.
[11]
11. LCD screen, according to claim 10, characterized by the fact that the optical component comprises at least one of the following:
an optical fingerprint sensor, a camera, an optical proximity sensor, a structured light sensor, an infrared laser transmitter and an ambient light sensor.
[12]
12. LCD screen manufacturing method, characterized by the fact that it comprises:
determine a local transparent region arranged on an LCD screen;
cutting a non-transparent material from the local transparent region, where the LCD screen comprises several layers of transparent material and several layers of non-transparent material, to form a transparent channel in the local transparent region along a stacking direction,
Petition 870190108172, of 10/24/2019, p. 16/26
4/6 in which a component body of an optical component in an electronic device is completely or partially disposed in the transparent channel; and combining the various layers of transparent material and the various layers of non-transparent material.
[13]
13. Manufacturing method according to claim 12, characterized by the fact that before the step of combining the various layers of transparent material and the various layers of non-transparent material, the method further comprises:
fill, with a transparent filler or liquid crystal material in the various layers of non-transparent material, a position for which the non-transparent material is not processed.
[14]
14. Method of manufacture according to claim 12 or 13, characterized in that the layer of transparent material comprises a CG cover glass, a first LCD glass substrate and a second LCD glass substrate; the layer of non-transparent material comprises a first polarizer, a colored film (CF), a liquid crystal layer, a TFT, a second polarizer and a backlight module; and the first polarizer, the first LCD glass substrate, the CF, the liquid crystal layer, the TFT, the second LCD glass substrate, the second polarizer and the backlight module are formed sequentially on a lower surface of the CG cover glass.
[15]
15. Method of manufacture, according to claim 14, characterized by the fact that the layer of transparent material further comprises a first layer of
Petition 870190108172, of 10/24/2019, p. 17/26
5/6 ITO material and a second layer of ITO material; and before the step of combining the various layers of transparent material and the various layers of non-transparent material, the method further comprises:
forming the first layer of ITO material in the local transparent region and on a lower surface of the first LCD glass substrate and forming the second layer of ITO material in the local transparent region and on an upper surface of the second LCD substrate.
[16]
16. Method of manufacture according to claim 14 or 15, characterized in that the layer of transparent material further comprises a first alignment film and a second alignment film; and before the step of combining the various layers of transparent material and the various layers of non-transparent material, the method further comprises:
dripping the liquid crystal layer between a lower surface of the first alignment film and an upper surface of the second alignment film.
[17]
17. Method of manufacture according to any one of claims 14 to 16, characterized by the fact that before the step of combining the various layers of transparent material and the various layers of non-transparent material, the method further comprises:
cutting a transparent material from the first LCD glass substrate and the second LCD glass substrate in the local transparent region, to form the transparent channel in the local transparent region along the stacking direction.
[18]
18. Manufacturing method, according to any
Petition 870190108172, of 10/24/2019, p. 18/26
6/6 of claims 12 to 16, characterized by the fact that before the step of combining the various layers of transparent material and the various layers of non-transparent material, the method further comprises:
retain a transparent material in the transparent channel in the various layers of transparent material.
[19]
19. Manufacturing method according to any one of claims 12 to 18, characterized in that a sealing material is applied to a periphery of the transparent channel of the various layers of non-transparent material.
[20]
20. Method of manufacture according to any of claims 12 to 19, characterized in that a length-width ratio of a screen dimension of a rectangular screen region without a transparent channel in the screen region is 16: 9 or 18: 9.

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公开号 | 公开日

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KR102257099B1|2021-05-26|

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SG11201909937XA|2019-11-28|

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CN108885376A|2018-11-23|

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EP3609165B1|2021-09-22|

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US11048294B2|2021-06-29|

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KR20200002968A|2020-01-08|

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PL3609165T3|2021-12-27|

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EP3609165A4|2020-02-12|

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ES2894932T3|2022-02-16|

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JP2020518010A|2020-06-18|

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US20210397215A1|2021-12-23|

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WO2018196149A1|2018-11-01|

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RU2745344C1|2021-03-24|

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KR20210062100A|2021-05-28|

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法律状态:
2021-10-19| B350| Update of information on the portal [chapter 15.35 patent gazette]|

优先权:

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申请号 | 申请日 | 专利标题

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CN201710279141|2017-04-25|

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PCT/CN2017/090090|WO2018196149A1|2017-04-25|2017-06-26|Lcd display screen, electronic device, manufacturing method for lcd display screen|

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