• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    This utility model concerns the technical field of LED, including a strip of LED lamps. This utility model features a strip of LED lamps, including a flexible protective cover and a flexible lamp panel; at least one protection circuit is arranged on the flexible lamp panel. Among these, the flexible lamp panel successively comprises a first insulating soft film, an LED light source and a second insulating soft film; a Zener diode or a voltage regulator unit is disposed on the protection circuit which is connected in parallel with at least one LED light source, and the protection circuit is activated when the LED light source is disconnected for the panel flexible lamp continues to work. Therefore, when one or more LED light sources are damaged, these damaged LED light sources are replaced by this protection circuit to conduct the current, so that this utility model continues to be powered and emit light This greatly extends the life of the LED lamp strip, so durability is high and the number of repairs is reduced.
    公开号:FR3070473A3
    申请号:FR1857577
    申请日:2018-08-21
    公开日:2019-03-01
    发明作者:Huabo Liu；Xiaoping Li
    申请人:Guangdong OML Technology Co Ltd；
    IPC主号:
    专利说明:

    BAND OF LED LAMPS
    TECHNICAL AREA
    This utility model concerns the technical field of LED, including a strip of LED lamps.
    STATE OF THE ART It is common knowledge that the existing LED lamp strip generally adopts the following structure, comprising a flexible protective cover, a receiving cavity disposed within said flexible protective cover extending into the direction of the length of said flexible protective cover, a flexible lamp panel recessed into said receiving cavity, an LED light source is disposed on the flexible lamp panel, the LED light source can emit light when is powered.
    Among these, the flexible lamp panel omits the copper strands in the core wire to include the main circuit layer, the ordinary flexible lamp panel design is wide or folded, the wide lamp panel makes the lamp body is large and unfavorable to bending; but the folded flexible lamp panel is often subject to a short circuit by shearing the end, so that the lamp body can not be turned on. In addition, the LEDs must be packaged separately and mounted in forward or reverse direction on the flexible lamp panel by the frame, they also need the steps of wire soldering and reflow soldering, this makes a complicated production process high cost and low return.
    The flexible protective cover can protect the flexible lamp panel and the LED light source disposed in said receiving cavity, so that the life of the LED lamp strip is greatly extended and a better effect of the output of light is obtained. Among these, to facilitate the passage of said flexible protective cover by the light emitted by the LED light source, the flexible protective cover of today is generally made of transparent materials, and to prevent the Flexible lamp panel detaches from said receiving cavity easily, so the dimension of said receiving cavity is generally the same or slightly smaller than the dimension of the flexible lamp panel. Therefore, the lower surface of the flexible lamp panel embedded in said receiving cavity adheres to the lower surface of the inner wall of said receiving cavity, then, when said flexible lamp panel is embedded in said receiving cavity, a portion air in the receiving cavity can not be removed in time and several fine air bubbles are generated between the lower surface of said flexible lamp panel and the lower surface of the inner wall of said receiving cavity, therefore, when the user observes the lower surface of the LED lamp strip, several small air bubbles are observed and the LED light source and the electrical components of the flexible lamp panel can also be directly observed, which seriously affects the appearance of the band of lamps.
    In addition, several LED light sources are arranged on some existing LED lamp strips, these LED light sources are all arranged in series on the flexible lamp panel of the LED lamp strip. If one or more LED light sources are damaged, the entire strip of LED lamps will be disconnected so that the strip of LED lamps can not be normally powered and emit light, and the entire strip of lamps must be repaired or replaced, which is not practical for use. SUMMARY OF THE UTILITY MODEL
    The technical problem to be solved by this utility model lies in the provision of a strip of LED lamps of simple structure, which can effectively reduce the number of repairs and have a high durability.
    The technical problem to be solved by this utility model is also that it can prevent people from seeing air bubbles between the lower surface of the flexible lamp panel and the lower surface of the inner wall of the receiving cavity. .
    The technical problem to be solved by this utility model is also that it can effectively remove the air between the lower surface of the flexible lamp panel and the lower surface of the inner wall of the receiving cavity and eliminate the bubbles of air.
    In order to solve the above technical problems, this utility model has a strip of LED lamps, which comprises: a flexible protective cover, a receiving cavity is disposed within said flexible protective cover; extending in the direction of the length of said flexible protective cover; a flexible lamp panel, said flexible lamp panel is embedded in said receiving cavity; among them, said flexible lamp panel comprises a first insulating soft film, a second insulating soft film and at least one LED light source, said first insulating soft film and said second insulating soft film are respectively bonded to the surfaces of both ends of the LED light source, a plurality of circuit layers are arranged in the lengthwise direction of said first soft insulating film or said second insulating soft film, two adjacent circuit layers are connected end-to-end by an LED light source, a first chip electrode and a second chip electrode are respectively disposed on the surfaces of both ends of said LED light source, said first chip electrode is electrically connected to the tail of one of the circuit layers by a first electrode, said second chip electrode is electrically connected to the head of another adjacent circuit layer by a second electrode, said first chip electrode and the first electrode are electrically connected by a first conductive layer, said second chip electrode and the second electrode are electrically connected by a second conductive layer ; said strip of LED lamps also comprises a protection circuit, said protection circuit is connected in parallel with at least one LED light source, the protection circuit is activated when said LED light source is disconnected for the lamp panel flexible continues to work.
    As the improvement of the above case, said protection circuit comprises a Zener diode, said Zener diode is connected in antiparallel with at least one LED light source, a stable voltage value of said Zener diode is greater than the voltage across at least one LED light source which is connected in parallel with the Zener diode and in operating condition.
    As the improvement of the above case, said strip of LED lamps comprises at least two groups of LED light sources, an LED light source group comprises at least one LED light source, said protection circuit comprises a unit voltage regulator, a terminal A of said voltage regulator unit is respectively connected to a cathode of one of the LED light source groups and an anode of another LED light source group, a terminal B of said voltage regulator unit is connected to an anode of one of the LED light source groups, a terminal C of said voltage regulator unit is connected to a cathode of another LED light source group.
    As the improvement of the above case, said voltage regulator unit comprises a first zener diode and a second zener diode connected in series, a cathode of said first zener diode is connected to an anode of one of the source groups. LED luminaires, an anode of said second Zener diode is connected to a cathode of another group of LED light sources, an anode of said first Zener diode is connected to a cathode of the second Zener diode and simultaneously connected to a cathode one of the groups of LED light sources and an anode of another group of LED light sources.
    As the improvement of the above case, said LED lamp strip also includes a current limiting circuit, said current limiting circuit is connected in series with the LED light source.
    As the improvement of the above case, said first insulating soft film and said second insulating soft film have a strip-like structure, a plurality of circuit layers are arranged on the second insulating soft film at equal intervals, the two circuit layers adjacent are electrically connected by an LED light source so that a string of LED lamps in series is formed.
    As the improvement of the above case, said strip of LED lamps also comprises a third insulating soft film disposed outside the second insulating soft film, there are two main circuit layers between the second insulating soft film and the third insulating soft film, the two main circuit layers are respectively electrically connected to the head and tail of said LED lamp string, an insulation adhesive is used to attach the two main circuit layers to the second film soft insulation and the third insulating soft film.
    As the improvement of the above case, an opening is disposed in the bottom of said flexible protective cover communicating with said receiving cavity, and at the same time an opaque baffle is disposed at said opening to plug said opening.
    As the improvement of the above case, at least one striped groove extending in the direction of the length of the flexible protective cover is formed on a lower surface of an inner wall of said receiving cavity.
    The realization of this utility model has the following beneficial effects:
    This utility model adopts a flexible lamp panel of a unique structure, this flexible lamp panel has a compact structure and high flexibility, which is easy to fold. At the same time, this utility model also has a protection circuit, when one or more LED light sources are damaged, the damaged LED light sources are replaced by the protection circuit to conduct the current, so that the model utility continues to be powered and emit light, which greatly extends the life of the LED lamp strip and improve durability.
    In addition, this utility model has an opening in the bottom of a flexible protective cover communicating with a receiving cavity, and at the same time, an opaque baffle is disposed at said opening to plug said opening, therefore, when the panel of flexible lamp is embedded in the receiving cavity, the opaque baffle can block said flexible lamp panel, which prevents the user from observing air bubbles between the lower surface of the flexible lamp panel and the lower surface of the lamp panel. the inner wall of the receiving cavity, this makes the appearance of the LED lamp strip more beautiful and generous.
    This utility model forms at least one striped groove extending in the direction of the length of the flexible protective cover on the lower surface of the inner wall of said receiving cavity, therefore, when the flexible lamp panel is embedded in the receiving cavity, there is at least one striped groove between the lower surface of the flexible lamp panel and the lower surface of the inner wall of said receiving cavity, so that the air enters the lower surface of the flexible lamp panel and the lower surface of the inner wall of said receiving cavity can be removed by said striped groove, in addition, this effectively avoids the formation of air bubbles between the lower surface of the flexible lamp panel and the lower surface of the inner wall of said receiving cavity, while the appearance of the strip of LED lamps is more beautiful and generous. BRIEF DESCRIPTION OF THE LIGURES FIG. 1 is a structural decomposition diagram of the flexible lamp panel in this utility model;
    Fig. 2 is a sectional diagram A-A in Fig. 1;
    Fig. 3 is a circuit diagram of an embodiment of the flexible lamp panel in this utility model;
    Fig. 4 is a circuit diagram of another embodiment of the flexible lamp panel in this utility model;
    Fig. 5 is a circuit diagram of yet another embodiment of the flexible lamp panel in this utility model;
    Fig. 6 is a schematic diagram of the first embodiment of the LED lamp strip in this utility model;
    Fig. 7 is a structure decomposition diagram of the first embodiment of the LED lamp strip in this utility model;
    Figure 8 is a side view of the flexible protective cover in Figure 6;
    Fig. 9 is a schematic diagram of the second embodiment of the LED lamp strip in this utility model;
    Fig. 10 is a drawing of parts of the flexible protective cover in Fig. 9;
    Fig. 11 is a drawing of parts of the flexible lamp panel in Fig. 9;
    Fig. 12 is a schematic diagram of the striped groove in Fig. 9.
    DETAILED DESCRIPTION OF EMBODIMENTS
    To clarify the objectives, the technical solutions and the advantages of this utility model, below will describe in more detail this utility model by combining the appended drawings. This statement declares that the localization terms of this utility model appearing or appearing in the text, such as top, bottom, left, right, front, rear, inside and outside, are simply based on the accompanying drawings of this utility model and are not specific limitations for this utility model.
    As shown in FIG. 1 and FIG. 2, the strip of LED lamps of this utility model comprises a flexible protective cover and a flexible lamp panel, of which a receiving cavity is disposed at inside of said flexible protective cover extending in the length direction of said flexible protective cover; said flexible lamp panel is embedded in said receiving cavity.
    In order to facilitate the manufacture and improve the production efficiency of the LED lamp strips, the flexible lamp panel of this utility model comprises a first insulating soft film 21, a second insulating soft film 22 and an LED light source 30 the first insulating soft film 21 and the second insulating soft film 22 are respectively adhered to the surfaces of the two ends of the LED light source 30, a plurality of independent circuit layers 23 are successively arranged on the surface of said first insulating soft film 21 or said second insulating soft film 22 in the direction of its length, two adjacent circuit layers 23 are connected by an LED light source 30, a first chip electrode and a second chip electrode are respectively disposed on the surfaces of both ends of said LED light source 30, said first chip electrode is connected to electrically connected to one of the two adjacent circuit layers 23 by the pin of the first electrode 31, said second chip electrode is electrically connected to another of the two adjacent circuit layers 23 by the pin of the second electrode 32, said first electrode and the pin of the first electrode 31 are electrically connected by a first conductive layer 310, said second chip electrode and the pin of the second electrode 32 are electrically connected by a second conductive layer 320. The conductive adhesive is used to electrically connecting said first conductive layer 310 to the first chip electrode and to the pin of the first electrode 31, and electrically connecting said second conductive layer 320 to the second chip electrode and to the pin of the second electrode 32.
    Therefore, by adopting the above structure, the flexible lamp panel 20 of this utility model makes a compact structure and high flexibility, which is easy to bend.
    As shown in FIGS. 3 ~ 5, this utility model also comprises a protection circuit 40, said protection circuit 40 is connected in parallel with at least one LED light source 30, the protection circuit 40 is activated when said LED light source 30 is disconnected for the flexible lamp panel to continue to operate. That is, when one or more LED light sources 30 are damaged, these damaged LED light sources are replaced by this protection circuit to conduct the current, so that the LED lamp strip of this model utility continues to be powered and emit light, which greatly extends the life of the LED lamp strip and improves durability.
    One embodiment of the protection circuit 40 is shown in FIG. 3. This embodiment comprises at least one Zener diode, said Zener diode is connected in antiparallel with at least one LED light source 30, a voltage value The stability of said Zener diode is greater than the voltage across at least one LED light source 30 which is connected in parallel with the Zener diode and in operating condition. There are two Zener diodes in Fig. 3. The amount of zener diodes can be increased with increasing lamp length. Each Zener diode is successively connected in antiparallel with the three LED light sources 30. The stable voltage value of the Zener diode is
    Ud, the voltage between the two ends of the three LED light sources 30 is Ua, and the stable voltage value Ud of the Zener diode is slightly greater than Ua. Since Ua is less than Ud, the Zener diode is in a non-conductive state. When a certain LED light source 30 is damaged, the circuit connected in parallel with the Zener diode is in open circuit. At the instant of the open circuit, the voltage between the two ends of the Zener diode is equal to the voltage of the supply. Since the voltage of the power supply is greater than the stable voltage value of the Zener diode Ud, the Zener diode is an inverse breakdown to be activated, this Zener diode and the remaining LED light source 30 are connected in series to form a loop, and the remaining LED light source 30 can still be used, so that the number of repairs is reduced and the durability is improved.
    Another embodiment of the protection circuit 40 is shown in FIG. 4. This embodiment comprises at least two groups of LED light sources, an LED light source group comprises at least one LED light source 30, said protection circuit 40 comprises a voltage regulator unit, a terminal A of said voltage regulator unit is respectively connected to a cathode of one of the LED light source groups and to an anode of another group of light sources a terminal B of said voltage regulator unit is connected to an anode of one of the LED light source groups, a terminal C of said voltage regulator unit is connected to a cathode of another group of LEDs; LED light sources, when a certain group of LED light sources is disconnected, the voltage regulator unit is activated, so that the whole circuit continues to operate.
    Yet another embodiment of the protection circuit 40 is shown in FIG. 5. Said voltage regulator unit comprises a first Zener diode 40a and a second Zener diode 40b connected in series, a cathode of said first Zener diode 40a (FIG. i.e. terminal B of the voltage regulator unit) is connected to an anode of one of the LED light source groups, an anode of said second Zener diode 40b (i.e. say terminal C of the voltage regulator unit) is connected to a cathode of another group of LED light sources, the anode of said first Zener diode 40a is connected to the cathode of the second Zener diode 40b ( forming terminal A of the voltage regulator unit) and simultaneously connected to a cathode of one of the LED light source groups and an anode of another LED light source group.
    In addition, this utility model also includes a current limiting circuit (as shown in Figure 3). This current limiting circuit is connected in series with the LED light source 30, the current limiting circuit is a current limiting resistor, and the current limiting resistor can reduce the current flowing through the light source. LED 30 to ensure safe and stable operation of the LED light source 30.
    Among them, in order to make the manufacture of the flexible lamp panel 20 of this utility model more simple and convenient, here, preferably, said first conductive layer 310 and said first insulating soft film 21 are made of transparent materials or translucent, said second conductive layer 320 and said second insulating soft film 22 are made of transparent or translucent materials. Said first conductive layer 310 is made of thermally conductive material so as to transfer the heat generated by the LED light source 30 to the first insulating soft film 21 or the outside.
    Preferably, said first conductive layer 310 and said second conductive layer 320 are made of graphene or ITO. In this embodiment, the second conductive layer 320 and the first conductive layer 310 are both graphene, and the graphene may be single layer graphene or multilayer graphene. The graphene conductive layer has a high electrical conductivity and can serve as a conductive channel. At the same time, the graphene layer has a
    light transmission factor of up to 97.7% that allows light to come out efficiently and improve the efficiency of the light output. An optical adhesive 24 is filled between the first insulating soft film 21 and the second insulating soft film 22 to encapsulate the LED light source 30, and the optical adhesive 24 is a high light transmittance plastic, which helps to improve the efficiency of the light output of the LED light source 30. Said optical adhesive 24 and said first insulating soft film 21, the optical adhesive 24 and the second insulating soft film 22 are all connected by an insulation adhesive. Said first insulating soft film 21 and said second insulating soft film 22 have a strip-like structure, a plurality of circuit layers 23 are arranged on the second insulating soft film 22 at equal intervals, the two adjacent circuit layers 23 are electrically connected by an LED light source 30 such that these LED light sources 30 form a string of LED lamps in series.
    The flexible lamp panel 20 of this utility model also includes a third insulating soft film 25 disposed outside the second insulating soft film 22, there being two main circuit layers 26 between the second insulating soft film 22 and the third insulating soft film 25, the two main circuit layers 26 are respectively electrically connected to both ends of said LED lamp string, an insulation adhesive is used to secure the two main circuit layers 26 to the second soft film insulation 22 and the third insulating soft film 25.
    In this embodiment, a first through hole 230 is disposed on the circuit layer 23 at both ends of the LED lamp string to conduct the current, and a second through hole 260 opposite the first through hole 230 is disposed on the two main circuit layers 26, the first through hole 230 and the second through hole 260 are electrically connected by welding.
    As shown in FIGS. 6 ~ 8, the strip of LED lamps of this utility model comprises a flexible protective cover 10, a receiving cavity 11 is disposed inside said flexible protective cover 10 extending in the direction of the length of said flexible protective cover, a flexible lamp panel 20 is embedded in said receiving cavity 11, a plurality of LED light sources 30 are arranged in series on said flexible lamp panel 20, an opening 12 is disposed in the bottom of said flexible protective cover 10 communicating with said receiving cavity 11, and at the same time an opaque baffle 13 is disposed at said opening 12 to plug said opening 12.
    To facilitate the production and processing of said flexible protective cover 10, here, in addition, preferably, said flexible protective cover 10 is a transparent silicone cover, the baffle 13 is a matte silicone plate. Therefore, said flexible protective cover 10 and said baffle 13 can be integrally treated by the extrusion forming process, and then said baffle 13 is made an abrasive treatment to be opaque.
    Of course, in addition to the abrasive treatment of said baffle 13 so that it becomes opaque, other structures can also be used, for example, said flexible protective cover 10 is a transparent silicone cover, said baffle 13 is a colored plate . More specifically, said baffle 13 is a white plate or a black plate or a red plate or a yellow plate or a green plate or a purple plate or an orange plate or a blue plate. Or, said baffle 13 is a colored plate having two or more colors.
    As this utility model has an opening 12 in the bottom of said flexible protective cover 10 communicating with said receiving cavity 11, and at the same time, an opaque baffle 13 is disposed at said opening 12 to plug said opening 12, so when the flexible lamp panel 20 is embedded in said receiving cavity 11, the opaque baffle 13 can block said flexible lamp panel 20, which prevents the user from observing air bubbles between the bottom surface of the panel of flexible lamp 20 and the lower surface of the inner wall of the receiving cavity 11, this makes the appearance of the strip of LED lamps more beautiful and generous.
    In addition, in order to facilitate the production and processing of the strip of LED lamps of this utility model, preferably, said flexible protective cover 10 and said baffle 13 in this utility model are an all-in-one structure. -a. That is, said flexible protective cover 10 and said baffle 13 can be manufactured by the integration injection molding process, or said flexible protective cover 10 and said baffle 13 can be manufactured by the process extrusion forming.
    Of course, said flexible protective cover 10 and said baffle 13 can also be adjusted as two independent components, in which case said opaque baffle 13 can be removably installed at the opening 12 of said receiving cavity 11. Among these, to allow a better installation of said baffle 13 at the opening 12 of said receiving cavity 11, preferably, said baffle 13 is glued to the opening 12 of said receiving cavity 11 by an adhesive. This baffle 13 can be glued to the opening 12 of said receiving cavity 11 by the glue, in addition it can also be wrapped at the opening 12 of said receiving cavity 11 by a transparent adhesive tape, which can be determined according to real needs.
    Accordingly, in order to make said flexible lamp panel 20 better fixed in said receiving cavity 11, here, as a preferred embodiment of this utility model, the cross-section of said receiving cavity 11 is in the form of the word "ü", said flexible lamp panel 20 is embedded in the lower part of said receiving cavity 11, said LED light source 30 is then embedded in the upper part of said receiving cavity 11. In designing the section of said receiving cavity 11 in the form of the word "ü", said flexible lamp panel 20 and said LED light source 30 may be better clamped, which prevents the flexible lamp panel 20 from shaking with respect to said flexible protective cover 10.
    As shown in FIGS. 9-12, the strip of LED lamps of this utility model comprises a flexible protective cover 10, a receiving cavity 11 is disposed inside said flexible protective cover 10, a panel of flexible lamp 20 is embedded in said receiving cavity 11, a plurality of LED light sources 30 are arranged in series on said flexible lamp panel 20, in this utility model, at least one striped groove 110 extending into the direction of the length of the flexible protective cover 10 is formed on the lower surface of the inner wall of said receiving cavity 11.
    In order to facilitate a better crossing of said flexible protective cover 10 by the light emitted by said LED light source 30, and at the same time to facilitate the production and manufacture of said flexible protective cover 10, here, preferably, said flexible protective cover 10 is a transparent protective cover.
    As this utility model forms at least one striped groove 110 extending in the length direction of the flexible protective cover 10 on the lower surface of the inner wall of said receiving cavity 11, therefore, when said panel of flexible lamp 20 is embedded in said receiving cavity 11, there is at least one striped groove 110 between the lower surface of this flexible lamp panel 20 and the lower surface of the inner wall of said receiving cavity 11, therefore the air between the lower surface of the flexible lamp panel 20 and the lower surface of the inner wall of said receiving cavity 11 can be eliminated from the receiving cavity 11 by this striped groove 110, in addition, this effectively avoids the formation of air bubbles between the lower surface of the flexible lamp panel 20 and the lower surface of the inner wall of said receiving cavity 11, while the appearance of the b Ande LED lamps of this utility model is more beautiful and generous.
    Therefore, in order to allow better removal of air between the lower surface of the flexible lamp panel 20 and the lower surface of the inner wall of said receiving cavity 11, in this utility model, preferably, several grooves stripes 110 are formed on the lower surface of the inner wall of said receiving cavity 11, said plurality of striped grooves 110 are uniformly distributed in the bottom of the inner wall of said receiving cavity 11. In addition, preferably, said Stripe grooves 110 are straight stripe grooves, and said plurality of stripe grooves are arranged in parallel in the lengthwise direction of said flexible protective cover 10. This utility model forms a plurality of straight stripe grooves in parallel on the lower surface of the inner wall of said receiving cavity 11, so that the lower surface of the strip of lamps LED of this utility model is shaped striped and the appearance of this utility model is more beautiful. Of course, said strip grooves 110 may be set to other shapes than straight strip grooves, such as an S shape (as shown in FIG. 11). By arranging said S-shaped strip grooves 110, the lower surface of the strip of LED lamps has several S-shaped parallel stripes, the appearance is more beautiful and generous, and there is no bubbles, which meets the different needs of users.
    In this utility model, to facilitate the production and manufacture of said flexible protective cover 10, here, preferably, the section of said striped groove 110 is V-shaped, of course, the section of said groove Stripes 110 may also be adjusted to other shapes, for example, the section of said stripe groove 110 is U-shaped.
    At the same time, in order to make a better lighting effect of the LED lamp strip of this utility model, in this utility model, a plurality of LED light sources 30 are disposed on said flexible lamp panel 20 a plurality of LED light sources 30 are uniformly distributed in the lengthwise direction of said flexible lamp panel 20.
    The above description is preferred embodiments of this utility model, it should be noted that ordinary technical persons in the field can also make several improvements and modifications without departing from the principle of this utility model, these improvements and modifications are also considered the scope of protection of this utility model.
    权利要求:
    Claims (9)
    [1" id="c-fr-0001]
    CLAIMS:
    A strip of LED lamps, which comprises: A flexible protective cover, a receiving cavity is disposed within said flexible protective cover extending in the lengthwise direction of said flexible protective cover; A flexible lamp panel, said flexible lamp panel is embedded in said receiving cavity; characterized in that said flexible lamp panel comprises a first insulating soft film, a second insulating soft film and at least one LED light source, said first insulating soft film and said second insulating soft film are respectively adhered to the surfaces of both at the ends of the LED light source, a plurality of circuit layers are arranged in the length direction of said first insulating soft film or said second insulating soft film, two adjacent circuit layers are connected end-to-end by an LED light source, a first light source electrode and a second light source electrode are respectively disposed on the surfaces of both ends of said LED light source, said first light source electrode is electrically connected to the tail of one of the circuit layers by a first electrode, said second said light source electrode is electrically connected to the head of another adjacent circuit layer by a second electrode, said first light source electrode and the first electrode are electrically connected by a first conductive layer, said second light source electrode and said second electrode are electrically connected by a second conductive layer; said strip of LED lamps also comprises a protection circuit, said protection circuit is connected in parallel with at least one LED light source, the protection circuit is activated when said LED light source is disconnected for the lamp panel flexible continues to work.
    [2" id="c-fr-0002]
    2. Said strip of LED lamps according to claim 1, characterized in that, said protection circuit comprises a Zener diode, said Zener diode is connected in antiparallel with at least one LED light source, a voltage value stable of said Zener diode is greater than the voltage across at least one LED light source which is connected in parallel with the Zener diode and in operating condition.
    [3" id="c-fr-0003]
    3. Said band of LED lamps according to claim 1, characterized in that, comprises at least two groups of LED light sources, an LED light source group comprises at least one LED light source, said protection circuit comprises a voltage regulator unit, a terminal A of said voltage regulator unit is respectively connected to a cathode of one of the LED light source groups and an anode of another LED light source group, a terminal B of said voltage regulator unit is connected to an anode of one of the LED light source groups, a terminal C of said voltage regulator unit is connected to a cathode of another group of LED light sources .
    [4" id="c-fr-0004]
    4. The said strip of LED lamps according to claim 3, characterized in that said voltage regulator unit comprises a first zener diode and a second zener diode connected in series, a cathode of said first zener diode is connected to an anode of one of the groups of LED light sources, an anode of said second Zener diode is connected to a cathode of another group of LED light sources, an anode of said first Zener diode is connected to a cathode of the second Zener diode and simultaneously connected to a cathode of one of the groups of LED light sources and an anode of another group of LED light sources.
    [5" id="c-fr-0005]
    5. The said strip of LED lamps according to claim 1, characterized in that, also comprises a current limiting circuit, said current limiting circuit is connected in series with the LED light source.
    [6" id="c-fr-0006]
    6. Said strip of LED lamps according to claim 1, characterized in that said first insulating soft film and said second soft insulating film have a strip-shaped structure, a plurality of circuit layers are disposed on the second insulating soft film. at equal intervals, the two adjacent circuit layers are electrically connected by an LED light source so that a string of LED lamps in series is formed.
    [7" id="c-fr-0007]
    7. The said strip of LED lamps according to claim 1, being characterized in that, also comprises a third insulating soft film disposed outside the second insulating soft film, there are two main circuit layers between the second film and the third insulating soft film, the two main circuit layers are respectively electrically connected to the head and tail of said LED lamp string, an insulation adhesive is used to secure the two main circuit layers to the second insulating soft film and the third insulating soft film.
    [8" id="c-fr-0008]
    8. Said band of LED lamps according to claim 1, characterized in that an opening is disposed in the bottom of said flexible protective cover communicating with said receiving cavity, and at the same time an opaque baffle is disposed at said opening for plugging said opening.
    [9" id="c-fr-0009]
    9. Said strip of LED lamps according to claim 1, characterized in that at least one striped groove extending in the direction of the length of the flexible protective cover is formed on a lower surface of a wall internal of said receiving cavity.
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    同族专利:
    公开号 | 公开日
    US20190063698A1|2019-02-28|
    US10465865B2|2019-11-05|
    DE202018104814U1|2018-09-04|
    FR3070473B3|2020-01-10|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    GB2583493A|2019-04-30|2020-11-04|Guangdong Oml Tech Co Ltd|LED light strip|US9936574B2|2009-12-16|2018-04-03|The Board Of Trustees Of The University Of Illinois|Waterproof stretchable optoelectronics|
    WO2015058565A1|2013-10-24|2015-04-30|He Shan Lide Electronic Enterprise Company Ltd.|Flexible circuit board and method for manufacturing the same, and led flexible strip light|ES1211538Y|2018-04-06|2018-07-26|Ohmio Servicios Integrales S L|LED STRIP ENCAPSULATED WITHOUT POWER SUPPLY|
    法律状态:
    2019-08-27| PLFP| Fee payment|Year of fee payment: 2 |
    2020-07-20| PLFP| Fee payment|Year of fee payment: 3 |
    2021-08-26| PLFP| Fee payment|Year of fee payment: 4 |
    优先权:
    申请号 | 申请日 | 专利标题
    CN201721059735.7U|CN207394781U|2017-08-22|2017-08-22|A kind of high flexible LED lamp plate of durability|
    CN201710725219.1A|CN107504465A|2017-08-22|2017-08-22|A kind of high flexible LED lamp plate of durability|
    CN201721244978.8U|CN207394468U|2017-09-26|2017-09-26|A kind of light bar with complex protection set|
    CN201721244900.6U|CN207394465U|2017-09-26|2017-09-26|A kind of high striped light bar of durability|
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