• 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:
    A circuit arrangement (1) is set up for operating a luminous means (2) which comprises at least one light-emitting diode, LED. The circuit arrangement (1) has a driver circuit (11-13) which is configurable to provide at least two different LED currents. The circuit arrangement (1) is set up to detect a forward voltage of the luminous means (2). The circuit arrangement (1) is arranged to configure the driver circuit (11-13) depending on the detected forward voltage to provide an LED current associated with the detected forward voltage.
    公开号:AT15810U1
    申请号:TGM9020/2014U
    申请日:2014-04-30
    公开日:2018-07-15
    发明作者:Wilson Ian；Huber Martin；Mitterbacher Andre；Pachler Peter；Juen Reinhold；Klien Dietmar；Moosmann Florian；Krumm Anton
    申请人:Tridonic Gmbh & Co Kg；Zumtobel Lighting Gmbh；Tridonic Jennersdorf Gmbh；
    IPC主号:
    专利说明:

    description
    CIRCUIT. LAMP AND METHOD FOR OPERATING ONE
    LUMINAIRES The invention relates to a circuit arrangement and a method for operating a lamp. In particular, the invention relates to circuit arrangements that can be configured to provide different LED currents, and lamps that comprise a plurality of light emitting diodes (LEDs).
    With the increasing spread of lamps such as LEDs and LED modules with several LEDs, circuit arrangements for operating such lamps continue to gain importance. Such circuit arrangements can be designed as operating devices, in particular as LED converters, which supply a lamp with at least one LED with current. The circuit arrangements are typically designed as constant current sources. Despite the great importance of LED-based lamps, there is still no clear tendency towards standardization in that LED modules are always designed for the same, standardized LED current.
    For the various uses of a circuit arrangement for operating the lamp, it is desirable that the circuit arrangement can be used for lamps with different LED currents. Different approaches can be taken for this.
    The operating device can be programmable manually, for example via dip switches, or via an electronic interface. There is a risk of incorrect operation by the installer of the control gear.
    The operating device can be set up to carry out a load detection in which the essential properties of the lamp are measured. Such load detection does indeed provide reliable information about the illuminant used, but it is often only possible to implement it with a corresponding circuitry outlay and corresponding additional costs.
    The invention has for its object to provide devices and methods that allow automatic adjustment of an LED current, which is supplied by the circuit arrangement, depending on the illuminant used. The invention is particularly based on the object of specifying such devices and methods in which the determination of which LED current is to be output can be implemented in a simple manner.
    There are provided a circuit arrangement for operating a lamp, a lamp and a method with the features specified in the independent claims. The dependent claims define embodiments of the invention.
    According to embodiments of the invention, the forward voltage of a lamp, which comprises one or more light emitting diodes (LEDs), is used to encode the corresponding LED current. There is a clear association between forward voltage and LED current. If a light source is designed for a specific LED current, the LEDs of the light source are connected in such a way that the forward voltage results that is uniquely assigned to this LED current.
    Correspondingly, a circuit arrangement and a method for operating a lamp are designed such that the forward voltage of the lamp is detected and the desired LED current is then set as a function of the detected forward voltage. This LED current can be determined from the forward voltage by a clear assignment.
    [0010] Different classes of LED modules can be formed, each class being designed for a specific LED current. There are / 12 for each of these LED currents
    AT15810U1 2018-07-15 Austrian patent office an assigned forward voltage. The assignment between LED current and forward voltage can be unambiguous, so that only one LED current is assigned to each of the different forward voltages and that only one forward voltage is assigned to each of the different LED currents. Ambiguous assignments can also be used as long as the LED current provided by the circuit arrangement can be clearly determined from the measured forward voltage.
    [0011] A small number of different permissible LED currents and assigned forward voltages can be defined. For example, there may be two or three or more than three different LED currents that can be provided by the circuit arrangement and correspondingly two, three or more than three associated forward voltages. There can be two or three or more than three different forward voltages which the illuminants which can be coupled to the operating device have.
    According to one embodiment, a circuit arrangement for operating a lamp is specified, the lamp comprising one or more LEDs. The circuit arrangement comprises a driver circuit that can be configured to provide at least two different LED currents. The circuit arrangement is set up to detect a forward voltage of the lamp. The circuit arrangement is set up to configure the LED driver circuit depending on the detected forward voltage in such a way that it provides an LED current associated with the detected forward voltage.
    The circuit arrangement can be set up to compare the forward voltage of the illuminant with at least two predefined output voltages of the driver circuit, each of the at least two predefined output voltages being uniquely assigned an LED current.
    The driver circuit can be set up to successively generate the at least two different LED currents in order to recognize the forward voltage of the lamp.
    The driver circuit can be set up to generate several different LED currents, starting with the smallest of the two different LED currents, in order to recognize the forward voltage of the illuminant.
    [0016] The at least two different LED currents can comprise a first LED current and a second LED current, wherein a current intensity of the second LED current is greater than a current intensity of the first LED current. The circuit arrangement can be set up to selectively generate the second LED current as a function of a voltage which drops across the illuminant when the first LED current flows through the illuminant.
    [0017] The at least two different LED currents can comprise a first LED current with a current of approximately 350 mA and a second LED current with a current of approximately 700 mA.
    The circuit arrangement can comprise an integrated circuit which is set up to detect the forward voltage of the illuminant.
    The integrated circuit can work as a controller to set an output current to the LED current that is associated with the detected forward voltage. The integrated circuit can switch a controllable switching means of a converter of the circuit arrangement in a clocked manner. The integrated circuit can control the controllable switching means as a function of a comparison of a measured variable, which represents an output current, with a target value, which depends on the detected forward voltage.
    The driver circuit can be set up in such a way that it can only be configured to provide a finite number of different LED currents. The driver circuit can be set up in such a way that the LED current cannot be set continuously, but can only be set to several different values. The selected value depends on the er2 / 12
    AT15810U1 2018-07-15 Austrian patent office knew forward voltage of the lamp.
    The circuit arrangement can be set up to detect the forward voltage of the lamp each time the circuit arrangement is started.
    [0022] A light source according to one exemplary embodiment comprises a plurality of LEDs. The illuminant is designed to be operated with an LED current. The plurality of LEDs are connected in such a way that the illuminant has a predefined forward voltage that is uniquely assigned to the LED current.
    [0023] The illuminant can have at least one LED section with a plurality of LEDs connected in series. Depending on the LED current, a number of LED sections and / or a number of LEDs per LED section can be defined such that the illuminant has the predefined forward voltage that is uniquely assigned to the LED current.
    [0024] The illuminant can have an interconnection network with which the LEDs are connected to one another. The interconnection network can be designed such that the illuminant has the predefined forward voltage that is uniquely assigned to the LED current.
    The illuminant can be an LED module.
    The LEDs can include inorganic LEDs and / or organic LEDs.
    According to a further exemplary embodiment, a system is specified which comprises the circuit arrangement according to one exemplary embodiment and the lighting means according to one exemplary embodiment.
    According to one embodiment, a method for producing a lamp with a plurality of light emitting diodes (LEDs) is specified. Depending on an LED current for which the lamp is designed, a forward voltage is determined which the lamp should have. An interconnection of the LEDs is selected so that the illuminant has the desired forward voltage.
    According to a further exemplary embodiment, a method for operating a lamp is specified, the lamp comprising at least one LED. The method comprises recognizing a forward voltage of the illuminant. An LED current for the lamp is determined, which is uniquely assigned to the detected forward voltage. A driver circuit is controlled in such a way that it provides the specific LED current to the illuminant.
    [0030] Further developments of the method and the effects achieved thereby correspond to the further developments of devices according to exemplary embodiments.
    The method can be carried out with the circuit arrangement according to an embodiment.
    Devices and methods according to embodiments of the invention use the forward voltage of an LED-based lamp to encode information about the LED current for which the lamp is designed. The forward voltage can easily be read out. No additional coding elements such as coding resistors have to be provided on the lamp. The LED current, which is required for the corresponding illuminant, can simply be read out via the connection between the control gear and the illuminant, via which the illuminant is also supplied.
    Devices and methods according to embodiments of the invention are designed so that the forward voltage of the lamp and thus the LED current associated with this forward voltage can be determined without the entire characteristic curve of the lamp being measured. For example, the forward voltage can be recognized by first outputting a small LED current from the operating device and then measuring the voltage drop across the lamp. The forward voltage of the lamp can be determined from this.
    3/12
    AT15810U1 2018-07-15 Austrian
    Patent Office The invention is more preferred below with reference to the figures
    Embodiments explained. In the figures, identical reference symbols designate identical ones
    Elements.
    Figure 1 [0036] Figure 2 [0037] Figure 3 [0038] Figure 4 [0039] Figure 5 [0040] Figure 6 [0041] Figure 7 [0042] Figure 8 shows a system according to an embodiment.
    illustrates coding different LED currents by different forward voltages.
    is a circuit diagram of a lamp according to an embodiment.
    is a circuit diagram of a lamp according to an embodiment.
    is a circuit diagram of a lamp according to an embodiment.
    is a circuit diagram of a lamp according to an embodiment.
    is a flowchart of a method according to an embodiment.
    shows a block diagram of a circuit arrangement according to an embodiment.
    [0043] FIG. 1 shows an illustration of a system which comprises an operating device with a circuit arrangement 1 for operating a lamp 2. The illuminant 2 can comprise at least one light-emitting diode (LED). The illuminant 2 can comprise several LEDs. The LEDs can be inorganic and / or organic LEDs.
    The illuminant 2 is designed for a supply with a predetermined LED current. This LED current can be, for example, 350 mA or 700 mA. The LEDs of the illuminant 2 are connected in such a way that a forward voltage of the illuminant 2 has a certain value which is assigned to the LED current for which the illuminant 2 is designed. The association between LED current and forward voltage is clear in the sense that the measurement of the forward voltage of the illuminant allows the LED current for which the illuminant 2 is designed to be determined.
    The forward voltage of the lamp 2 thus serves to code the LED current for which the lamp 2 is designed.
    The circuit arrangement 1 has a control device 14. The control device 14 can be designed as an integrated circuit. The control device 14 can be configured as a processor, a microprocessor, a controller, a microcontroller or an application-specific special circuit (ASIC, “Application Specific Integrated Circuit”). The control device 14 has a function 15 for detecting the forward voltage of the illuminant 2, which is connected to an output of the circuit arrangement 1. The control device 14 can control the circuit arrangement 1 as a function of the detected forward voltage of the illuminant in such a way that that LED current is provided to the illuminant 2 which is encoded by the recognized supply voltage.
    The other configuration of the circuit arrangement 1 can depend on the application for which the circuit arrangement 1 is designed. The circuit arrangement 1 can have, for example, a rectifier 10 for rectifying a supply voltage, for example the mains voltage. The circuit arrangement 1 can have a power factor correction circuit 11. The power factor correction circuit 11 can reduce the return of harmonics to the supply network. A further voltage conversion and / or dimming functions can be achieved, for example, by a converter 12. The converter 12 can be configured as a resonance converter. Other converter circuits can be used, for example a flyback converter circuit. The converter 12 can have a transformer or other converter in order to achieve electrical isolation between a primary side and a secondary side of the circuit arrangement 1. An output circuit 13 can be provided, for example, to smooth voltage ripples at the output.
    4.12
    AT15810U1 2018-07-15 Austrian
    Patent Office [0048] In addition to the described detection of the forward voltage of the illuminant, the control device 14 can perform various other functions that depend on the specific configuration of the circuit arrangement 1. In particular, the control device 14 can perform a control and / or regulating function. The control device 14 can control the power factor correction circuit 11 and / or the converter 12. For this purpose, the control device 14 can control at least one controllable switching means of the power factor correction circuit 11 and / or of the converter 12. The control device 14 can switch the at least one controllable switching means as a function of the detected forward voltage of the illuminant 2 such that the LED current is provided to the illuminant 2, which is coded by the forward voltage and for which the illuminant 2 is designed.
    In the case of different illuminants which are designed for the same LED current, a connection of the LEDs can be specifically selected such that the same forward voltage always results. This also applies in particular if the different illuminants have a different number of LEDs. The corresponding forward voltage, which is set by suitable interconnection of the LEDs, can be determined depending on the fixed assignment between LED currents and assigned forward voltage. A connection in such a way that the desired forward voltage results can be achieved by suitably selecting a number of LED paths connected in parallel and / or a number of LEDs per LED path and / or additional network-like connections between LEDs of the illuminant. Additionally or alternatively, LEDs can also be used, which are selected depending on their LED forward voltage so that the illuminant shows the desired forward voltage overall.
    In the case of different illuminants which are designed for different LED currents, specific interconnections of the LEDs can be selected which lead to different forward voltages.
    In this way classes of lamps, e.g. Classes of LED modules are formed, with all the illuminants contained in a class are both designed for the same LED current and have the same forward voltage.
    Figure 2 illustrates the coding of the LED current by the forward voltage. FIG. 2 shows characteristic curves 21-23 of lamps which are designed for a number of different LED currents.
    A first characteristic curve 21 of a first illuminant shows a significant increase in the current intensity at a first forward voltage 31. The differential resistance decreases correspondingly at the first forward voltage 31. The illuminant with the first forward voltage 31 can be designed, for example, for a current 39. The current 39 can be approximately 700 mA. The current 39 can be 700 mA.
    A second characteristic curve 22 of a second illuminant shows a significant increase in the current intensity at a second forward voltage 32. The differential resistance decreases correspondingly at the second forward voltage 32. The illuminant with the second forward voltage 32 can, for example, be designed for a current 38. Current 38 can be approximately 350 mA. The current 38 can be 350 mA.
    A third characteristic curve 23 of a third illuminant shows a significant increase in the current intensity at a third forward voltage 33. The differential resistance correspondingly decreases at the third forward voltage 33. The illuminant with the third forward voltage 33 can be designed for a further current which is different from the currents 38 and 39.
    A small number of different LED currents, which can be provided by the circuit arrangement 1, and associated forward voltages can be defined. For example, the circuit arrangement 1 can be set up to output two different LED currents. These can be encoded by two different forward voltages. The circuit arrangement 1 can be set up to have three different LED5 / 12
    AT15810U1 2018-07-15 Austrian patent office
    Output streams. These can be encoded by three different forward voltages. The circuit arrangement 1 can be set up to have at least four different ones
    Output LED currents. These can be encoded by at least four different forward voltages.
    The intervals between the forward voltages can be set so that the different forward voltages can be reliably distinguished. For example, the characteristic curves 21-23 of the different classes of lamps can be determined by correspondingly connecting the LEDs so that for the different possible output currents, the corresponding voltage dropping across a lamp with the first curve 21 is always lower than the voltage across a Illuminant with the second characteristic curve 22 drops when the smallest LED current 38 is output.
    To determine the forward voltage, the control device 14 can control the circuit arrangement 1 in such a way that the smallest of the several different LED currents is output. For example, the LED current shown at 38 in FIG. 2 can be output. By measuring the voltage that drops across the illuminant 2, it can be determined which of the forward voltages 31-33 the illuminant has.
    While three different forward voltages are shown by way of example in FIG. 2, a different number of permissible forward voltages can also be defined, for example only two or more than three different forward voltages. The LEDs of a light source that is to be operated with the circuit arrangement 1 are then always connected in such a way that the forward voltage has only one of the different values that are uniquely assigned to the different LED currents.
    Figure 3 to Figure 6 illustrate different interconnections 41-44 of LEDs in a lamp according to one embodiment. A number of LED sections and / or a number of LEDs per LED section can be selected depending on the forward voltage that has to be set for coding the LED current. For example, a greater forward voltage can be achieved with the LED arrangements and interconnections 42, 43 than with the LED arrangement 41.
    FIG. 6 illustrates that more complex interconnections can also be selected. For example, an interconnection network 44 can be selected in which a plurality of LED links are connected to one another not only at their ends but also at nodes between LEDs of an LED link.
    [0062] FIG. 7 is a flow diagram of a method 50 according to an exemplary embodiment. The method can be carried out automatically by the circuit arrangement 1. The control device 14 can carry out the various control and / or regulating steps. In step 51, the circuit arrangement is started.
    At step 52, an index that designates the different LED currents and the forward voltages associated with them is set to an initial value. The initial value can correspond in particular to the smallest of the different LED currents that the circuit arrangement 1 can output.
    At step 53, a driver circuit of the circuit arrangement is configured so that the smallest of the LED currents is output. For this purpose, a controllable switching means of the converter 12 can be switched so that the output current of the circuit arrangement 1 corresponds to the smallest of the several possible LED currents. The control device 14 can act as a controller, which compares a measured variable indicating the output current with the smallest of the several possible LED currents and switches a controllable switching means of the converter 12 in a clocked manner depending on the comparison.
    At step 54, the voltage drop across the lamp is detected while the smallest of the LED currents flows through the lamp. Corresponding measuring points are provided in the output circuit of the circuit arrangement 1.
    6/12
    AT15810U1 2018-07-15 Austrian
    Patent Office At step 55, the forward voltage of the illuminant is determined. For this purpose, that of the several possible forward voltages 31-33 can be recognized as the forward voltage of the illuminant that is closest to the voltage that was detected in step 54. The largest of the several possible forward voltages 31-33, which is even smaller than the voltage detected in step 54, can be recognized as the forward voltage of the lamp.
    In step 56, it can be determined whether the circuit arrangement is to be reconfigured in order to provide a different LED current as the output current. For this purpose, it can be checked whether the forward voltage detected in step 55 is assigned to the smallest of the possible LED currents that is already being output to the lamp. If no change in LED current is required, the process continues to step 58.
    If a different LED current is to be set, it is determined in step 57 which LED current is associated with the forward voltage that was detected in step 55.
    At step 58, the illuminant is operated. The circuit arrangement 1 is controlled so that the previously determined LED current is set, which is associated with the detected forward voltage of the lamp. The corresponding other current can be used as a setpoint in a control loop with which the output current of the circuit arrangement 1 is regulated. Parameters that determine the operation of the circuit arrangement 1 can be selected depending on which LED current was determined in step 57.
    The setpoint for the control loop and / or the parameters that determine the operation of the circuit arrangement can be determined based on the map.
    The setpoint for the control loop and / or the parameters that determine the operation of the circuit arrangement can be read out of a non-volatile memory depending on the forward voltage of the illuminant.
    Figure 8 is a block diagram of a circuit arrangement according to an embodiment. A controller 63 is provided for setting one of several possible LED currents as the output current.
    A function 61 determines the voltage drop across the lamp when a known LED current, for example the smallest of the different LED currents, is output. This voltage indicates the forward voltage of the lamp.
    A map 62 can be used to determine which LED current is intended for this forward voltage. The corresponding LED current I LED can be supplied to the controller 63 as a setpoint.
    An actual value of the output current, which is determined with a measuring component 64, can also be supplied to the controller 63. The controller 63 can determine a deviation of the actual value from the target value I L ed.
    The controller can generate a control signal S, which is output to a converter 65 of the circuit arrangement, depending on the deviation of the actual value from the target value I L ed. The controller can switch a switching means 66 of the converter 65 in a clocked manner, wherein, for example, a ratio of the on-time and the off-time of the switching means 66 depends on the deviation of the actual value from the target value I LE d.
    The functions of blocks 61-64 can be carried out by a control device 14. The control device 14 can be designed as an integrated circuit.
    While exemplary embodiments have been described with reference to the figures, modifications can be implemented in further exemplary embodiments. For example, the number of possible LED currents and forward voltages assigned to them can be changed in order to be able to operate a more or less class of lamps by means of an operating device. Methods and devices according to exemplary embodiments can be used in particular in the case of an LED converter.
    12.07
    AT15810U1 2018-07-15 Austrian
    Patent Office
    权利要求:
    Claims (12)
    [1]
    Expectations
    1. Circuit arrangement for operating a lamp (2; 41-44), which comprises at least one light-emitting diode, LED, the circuit arrangement (1; 60) having a driver circuit (11-13; 65) which is used to provide at least two different ones LED currents (38, 39) can be configured, the circuit arrangement (1; 60) being set up to detect a forward voltage (31-33) of the illuminant (2; 41-44) and the driver circuit (11-13; 65 ) depending on the detected forward voltage to provide an LED current (38, 39) associated with the detected forward voltage (31-33).
    [2]
    2. Circuit arrangement according to claim 1, wherein the circuit arrangement (1; 60) is set up to the forward voltage (31-33) of the lighting means (2; 41-44) with at least two predefined output voltages of the driver circuit (11-13; 65) Compare, each of the at least two predefined output voltages being uniquely assigned to an LED current (38, 39).
    [3]
    3. Circuit arrangement according to claim 1 or claim 2, wherein the driver circuit (11-13; 65) is set up to successively generate the at least two different LED currents (38, 39) to the forward voltage of the lamp (2; 41- 44) and to provide the LED current (38, 39) associated with the detected forward voltage (31-33).
    [4]
    4. The circuit arrangement according to claim 3, wherein the at least two different LED currents comprise a first LED current (38) and a second LED current (39), wherein a current intensity of the second LED current (39) is greater than a current intensity of the first LED Current (38), the circuit arrangement (1; 60) being set up to selectively generate the second LED current as a function of a voltage which drops across the illuminant (2) when the first LED current (38) through the lamp (2) flows.
    [5]
    5. Circuit arrangement according to one of the preceding claims, wherein the at least two different LED currents comprise a first LED current (38) with a current of approximately 350 mA and a second LED current (39) with a current of approximately 700 mA.
    [6]
    6. Circuit arrangement according to one of the preceding claims, wherein the circuit arrangement (1; 60) comprises an integrated circuit (14) which is set up to detect the forward voltage (31-33) of the illuminant (2; 41-44).
    [7]
    7. Circuit arrangement according to one of the preceding claims, wherein the driver circuit (11-13; 65) is set up in such a way that it can only be configured to provide a finite number of different LED currents (38, 39).
    [8]
    8. Circuit arrangement according to one of the preceding claims, wherein the circuit arrangement (1; 60) is set up to recognize the forward voltage of the lighting means (2; 41-44) each time the circuit arrangement (1; 60) is started.
    [9]
    9. illuminant, comprising a plurality of light-emitting diodes, LEDs, the illuminant (2; 41-44) being designed to be operated with an LED current, the plurality of LEDs being connected in such a way that the illuminant (2; 41-44) has a predefined forward voltage that is uniquely assigned to the LED current.
    [10]
    10. Illuminant according to claim 9, wherein the illuminant (2; 41-44) has at least one LED section, a number of LED sections and / or a number of LEDs per LED section depending on the LED current is that the illuminant (2; 41-44) has the predefined forward voltage that is uniquely assigned to the LED current.
    4 sheets of drawings
    8/12
    AT15810U1 2018-07-15 Austrian
    Patent Office
    1/4 ) ^ z
    FIG.2
    9.12
    2018-07-15 Austrian AT 15 810 U1
    Patent Office
    2.4
    FIG. 3
    FIG. 4
    10/12
    AT15810U1 2018-07-15 Austrian
    Patent Office
    3.4
    FIG. 7
    [11]
    11/12
    AT15810U1 2018-07-15 Austrian
    Patent Office
    4.4
    65 63 62 61
    2_ _ <L_ _L __ <L
    Converter / S regulator Led map Uouf Measurement I66 'out - Measurement
    V
    FIG. 8th
    [12]
    12/12
    类似技术:
    公开号 | 公开日 | 专利标题
    DE102012007478A1|2013-10-17|Converter for a light source, LED converter and method for operating a converter
    DE102006024607A1|2007-11-29|Light system for motor vehicle, has two branches, where one branch is parallelly connected or adjustable to other branch, where bridge section is provided for adjustably connecting of two branches
    DE102016009924A1|2017-02-16|lighting device
    DE102014012664A1|2016-02-25|Supply voltage detection device and method for detecting a supply voltage
    DE10102352C2|2003-02-20|Circuit arrangement for adapting the characteristics of a light-emitting diode arrangement, light-emitting diode signal lamp and light signal arrangement and their use
    DE102017110802A1|2017-11-23|Lighting device and lighting fixture
    DE102013219153A1|2015-04-09|Driver module with secondary-side detection of a primary-side electrical supply
    EP3547493B1|2020-05-20|Lighting system and method for operation of an emergency lighting
    AT15810U1|2018-07-15|Circuit arrangement, lighting means and method for operating a lighting means
    DE102014208710A1|2015-11-26|Operating device, luminaire and method for supplying an LED module
    DE102014200433A1|2015-07-16|Circuit arrangement for LED operating strands
    DE102016210736A1|2017-12-21|Arrangement and method for operating LEDs
    DE102018123965A1|2019-04-04|Electronic driver for a LED lighting module and LED lamp
    AT15988U1|2018-10-15|Operating circuit for supplying a light source, LED converter, system and method for operating an operating circuit
    WO2016058592A1|2016-04-21|Circuit for the grid-compatible operation of light-emitting diodes, as well as lighting means and lights
    DE102018107486A1|2018-10-04|Led lamp
    DE102011078620A1|2013-01-10|High-voltage LED multichip module and method for setting a LED multichip module
    DE102018115672A1|2020-01-02|Control gear for several illuminants, illuminants and lighting system
    DE102015100672A1|2015-09-03|Lighting assembly and lighting system with this
    DE102014104365A1|2015-10-01|lighting device
    DE102017110798A1|2017-11-23|Emission control device, light emission module, light emission unit and lighting fixture
    WO2015149096A1|2015-10-08|Operating device, luminaire, and method for operating an illumination means
    AT517122B1|2018-12-15|Method for symmetrizing the branches of a lighting device for vehicles
    AT516860B1|2016-09-15|LED light module for a lighting device for vehicles
    WO2017021041A1|2017-02-09|Voltage-dependent connection of individual light sources
    同族专利:
    公开号 | 公开日
    DE112014002230A5|2016-02-04|
    WO2014176614A3|2015-04-09|
    WO2014176614A2|2014-11-06|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE102007026867A1|2007-03-28|2008-10-02|Glp German Light Products Gmbh|Lamp for stage, discotheque or buildings for light installation, has switching power supply with alternating voltage input and direct-current voltage output|
    US8193741B2|2009-12-24|2012-06-05|Nxp B.V.|Boosting driver circuit for light-emitting diodes|
    DE102010018865B4|2010-04-30|2015-11-26|Austriamicrosystems Ag|Driver circuit for light-emitting diodes and methods|
    DE202011101272U1|2010-10-09|2011-12-23|Dilitronics Gmbh|Device for controlling an LED arrangement|AT17240U1|2016-08-22|2021-09-15|Tridonic Gmbh & Co Kg|Method and arrangement for operating a load which contains at least one LED module|
    法律状态:
    2020-12-15| MM01| Lapse because of not paying annual fees|Effective date: 20200430 |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102013007436|2013-04-30|
    PCT/AT2014/000101|WO2014176614A2|2013-04-30|2014-04-30|Circuit arrangement, lighting means and method for operating a lighting means|
    [返回顶部]