CN207744191U - LED light modulating devices - Google Patents
LED light modulating devices Download PDFInfo
- Publication number
- CN207744191U CN207744191U CN201721636743.3U CN201721636743U CN207744191U CN 207744191 U CN207744191 U CN 207744191U CN 201721636743 U CN201721636743 U CN 201721636743U CN 207744191 U CN207744191 U CN 207744191U
- Authority
- CN
- China
- Prior art keywords
- voltage
- signal
- module
- current
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model is related to a kind of LED light modulating devices, including：Light modulator, the alternating current for receiving power grid output, and cut phase is carried out to the alternating current and handles to obtain cut phase voltage；Module of releasing generates voltage signal, and provide leakage current for the light modulator for receiving the cut phase voltage based on the cut phase voltage；Control module generates digital controlled signal for receiving the voltage signal based on the voltage signal；Current output module provides control electric current for receiving the cut phase voltage and control signal, and based on cut phase voltage and control signal to LED.Meet the extinction current of controllable silicon dimmer by leakage current, further avoids the flicker of LED light source and the damage of LED light source, also avoid unnecessary economic loss.
Description
Technical field
The utility model is related to export energy adjustment technical field, more particularly to a kind of LED light modulating devices.
Background technology
Development with country and social progress, this environmentally friendly concept have been rooted in the hearts of the people.It is sharp in daily life
Traditional fluorescent lamp and incandescent lamp are replaced with more energy saving emerging LED light source, a kind of trend will certainly be become.And LED
Light source also has various long lifespan, brightness height, color, fast response time and drive compared to traditional fluorescent lamp and incandescent lamp
The advantages such as dynamic voltage is low.
It in traditional technology, is dimmed using controllable silicon dimmer, wherein silicon-controlled need when in use in silicon-controlled control
System is extremely upper to add a trigger pulse, makes controlled silicon conducting.Therefore sine wave is divided into two ranges by trigger pulse：In sine wave
In positive half period, the range being not turned on is known as pilot angle, and the range of conducting is known as the angle of flow.Controllable silicon dimmer is led by control
Current flow angle directly controls the input voltage of LED drive circuit, the further output current for controlling LED drive circuit, and then controls
The bright-dark degree of LED light source, to reach the dimming control operation of LED light source.
In the technical solution for carrying out LED light source adjusting using controllable silicon dimmer of above-mentioned traditional technology, due to LED's
Driving voltage is too small, and the input current for being susceptible to LED drive circuit is less than the extinction current of controllable silicon dimmer, causes
The mistake of controllable silicon dimmer turns off, and leads to the flicker of LED light source, further damages LED light source, causes unnecessary economic damage
It loses.
Utility model content
Based on this, it is necessary to be directed to the flicker of LED light source, further damage LED light source, cause unnecessary economic damage
The problem of mistake, provides a kind of LED light modulating devices.
The utility model provides a kind of LED light modulating devices：Light modulator, the light modulator input terminal connect with power grid
It connects, the alternating current for receiving power grid, and cut phase is carried out to the alternating current and handles to obtain cut phase voltage；It releases module, it is described
The input terminal for module of releasing is connect with the first output end of the light modulator, for receiving the cut phase voltage, is cut based on described
Phase voltage generates voltage signal, and provides leakage current for the light modulator；Control module, the control module first input
End is connect with the module output end of releasing, and for receiving the voltage signal, is generated based on the voltage signal digital control
Signal；Current output module, the current output module first input end are connect with the light modulator second output terminal, the electricity
Stream the second input terminal of output module is connect with the output end of the control module, and the current output module is for receiving described cut
Phase voltage and digital controlled signal, and based on cut phase voltage and digital controlled signal control electric current is provided to LED.
Further, described device further includes：Intelligent identification module, the output end of the intelligent identification module and the control
The second input terminal of module connects, and for receiving and identifying external Regulate signal, and transmits it to control module.
Further, the control module is additionally operable to receive the external Regulate signal, based on the external Regulate signal life
At digital controlled signal.
Further, the intelligent identification module includes at least one access port, and the access port is for receiving external adjusting
Signal.
Further, voltage signal is transmitted to the control module by the module output end of releasing by way of optical coupling
First input end.
Further, the current output module includes：Bridge rectifier, the input terminal of the bridge rectifier and institute
The second output terminal connection for stating light modulator, DC voltage is converted to for receiving the cut phase voltage, and by the cut phase voltage；
Circuit for power conversion, the input terminal of the circuit for power conversion is connect with the output end of the bridge rectifier, for receiving
The DC voltage, and constant pressure processing is carried out to the DC voltage, obtain constant voltage；Current output circuit, the electric current
The first input end of output circuit is connect with the output end of the circuit for power conversion, the second input of the current output circuit
End is connect with the output end of the control module, for receiving constant voltage and control signal, and is based on the constant voltage
And control signal provides control electric current to LED.
Further, the light modulator is：Forward position phase-cut dimmer or after one kind in phase-cut dimmer.
Further, the external Regulate signal includes：0-10V voltage signals, 1-10V voltage signals, electric resistance partial pressure signal,
Pwm signal, DALI signals and power carrier dim signal.
Further, the circuit for power conversion is：Isolation or non-isolated buck, boost type, step-down/up type, inverse-excitation type
One kind in high frequency switch power.
Further, the current output circuit is：One kind in buck circuit, boost circuit, step-down/up type circuit
Or it is a variety of.
The LED light modulating devices of the utility model are provided with light modulator, module of releasing, control module, current output module.It is logical
It crosses the voltage that setting light modulator exports power grid to be adjusted, and obtains cut phase voltage.Cut phase voltage is transferred to respectively again
Module of releasing and current output module, module of releasing provides a stable extinction current for light modulator, and receives
Cut phase voltage, and be converted into voltage signal and be transferred to control module.Control module receives voltage signal, and is converted
It is transferred to current output module for digital controlled signal.Current output module simultaneously receive light modulator transmission cut phase voltage and
The digital controlled signal of control module transmission, and based on cut phase voltage and digital controlled signal control electricity is provided to LED light source
Stream.Difference based on digital controlled signal, the size to controlling electric current control.The conducting of wherein leadage circuit will produce one
A leakage current, leakage current are exactly when the input current of current output module is less than the extinction current of controllable silicon dimmer
When, the extinction current of controllable silicon dimmer is met using leakage current, further avoids the flicker of LED light source, with
And the damage of LED light source, also avoid unnecessary economic loss.
Description of the drawings
Fig. 1 is the module diagram for the LED light modulating devices that the utility model embodiment provides.
Reference numeral：100 be light modulator, 200 for release module, 300 in order to control module, 400 be current output module,
410 it is bridge rectifier, 420 be circuit for power conversion, 430 be current output circuit, 500 be intelligent identification module, 600 is
Power grid, 700 are LED.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The type of phase-cut dimmer is various in the market, is divided into preceding cut type, and post-cut is digital etc., dimmer power switch
Element is divided into as transistor, thyristor etc..It is most common in light modulator and with SCR control.It is set in controllable silicon dimmer application
The big difficulty often being faced in meter is exactly that the compatibility of light modulator is poor, and compatibility issue to be applicable in controllable silicon dimmer
LED drive schemes design difficulty is high, to realize the compatibility with 90% or more light modulator in the market, flicker free, while to obtain
Greater efficiency, light modulator compatibility issue have to carry out targetedly optimization design.And controllable silicon dimmer is controlled with LED
When device matching processed, since power is relatively small, it is susceptible to driver input end electric current and is less than silicon-controlled extinction current,
Cause silicon-controlled accidentally shutdown, leads to LED light modulation flickers.
The utility model embodiment discloses a kind of LED light modulating devices.The friendship that power grid is exported by the way that light modulator is arranged
Galvanic electricity carries out cut phase processing, and cut phase voltage is transferred to release module and current output module by treated.It releases module
Conducting provide leakage current for light modulator, and receive cut phase voltage generate voltage signal be transferred to control module.Control
Module receiving voltage signal, and digital controlled signal is generated according to the variation of voltage signal, and it is transmitted to electric current output mould
Block.Current output module receives cut phase voltage and digital controlled signal further controls the light levels of LED, and then reaches
The operation dimmed for LED.In the present embodiment, when the input current of current output module is less than controllable silicon dimmer
When extinction current, to avoid silicon-controlled accidentally close that LED is caused to flicker, module of releasing is set, leakage current is provided to be silicon-controlled,
The problem of capable of ensureing that silicon-controlled electric current is more than extinction current, further avoiding LED flickers.
Fig. 1 please be participate in, Fig. 1 is the module diagram for the LED light modulating devices that the utility model embodiment provides.
As shown in Figure 1, a kind of LED light modulating devices include：Light modulator 100,100 input terminal of the light modulator and power grid 600
Output end connects, the alternating current for receiving the output of power grid 600, and carries out cut phase to the alternating current and handle to obtain cut phase electricity
Pressure；The input terminal of module of releasing 200, the module 200 of releasing is connect with the first output end of the light modulator 100, for connecing
The cut phase voltage is received, voltage signal is generated based on the cut phase voltage, and leakage current is provided for the light modulator 100；
Control module 300,300 first input end of the control module are connect with 200 output end of module of releasing, described for receiving
Voltage signal generates digital controlled signal based on the voltage signal；Current output module 400, the current output module 400
First input end is connect with 100 second output terminal of the light modulator, 400 second input terminal of the current output module and the control
The output end of molding block 300 connects, and for receiving the cut phase voltage and control signal, and is based on cut phase voltage and control
Signal provides control electric current to LED700.
Specifically, light modulator 100 can be：Preceding cut type, post-cut, pressure-adjusting type and digital, the present embodiment is not exchanged
Pressure mode is specifically limited, and need to only meet the voltage after light modulator 100 is adjusted by module 200 of releasing.Wherein this Shen
Please preferred 100 forward position phase-cut dimmer of light modulator or after one kind in phase-cut dimmer.Light modulator 100 receives power grid
The alternating current of 600 outputs, and cut phase processing is carried out to the alternating current.Wherein cut phase processing is that light modulator 100 receives alternating current
And trigger pulse, the controlled silicon conducting when receiving trigger pulse.When sine wave is in positive half period, and connect in positive half period
Trigger pulse is received, therefore the positive half period of sine wave is divided into two ranges by trigger pulse：To reception since positive half period
It is a range to trigger pulse, it is silicon-controlled at this time to be not turned on；Terminate to be another to positive half period from trigger pulse is received
A range, at this time controlled silicon conducting.The silicon-controlled range being not turned on is known as pilot angle, and the range of controlled silicon conducting is known as being connected
Angle.Controllable silicon dimmer is exactly the time by controlling trigger pulse, further to control the angle of flow to reach control voltage
Purpose.Generation leakage current in the conduction state, leakage current are more than silicon-controlled minimum maintenance electricity to module of releasing 200 in real time
Stream, that is, when the input current of current output module 400 is less than silicon-controlled extinction current, utilize module of releasing
200 leakage current maintains silicon-controlled conducting, avoids the flicker of LED700.And module of releasing 200 is for receiving cut phase
Voltage, when voltage is adjusted in light modulator 100, the voltage that module of releasing 200 receives can also change, module of releasing
200 voltage signals for being transferred to control module 300 can also change accordingly, and control module 300 is according to voltage signal production figures
Signal is controlled, and digital controlled signal is transferred to electric current output control module 300.Wherein control module 300 is miniature calculating
Machine, preferably microcontroller.Current output module 400 receives cut phase voltage and control signal simultaneously, first by cut phase voltage
DC voltage is converted to, and DC voltage is subjected to constant pressure processing, voltage is made to be always maintained at a steady state.Pass through control again
The electric current that signal generates constant voltage controls, and the control electric current after control is transferred to LED700, controls LED700
Adjust brightness.
Preferably, described device further includes：Intelligent identification module 500, the output end of the intelligent identification module 500 and institute
The connection of 300 second input terminal of control module is stated, for receiving and identifying external Regulate signal, and transmits it to control module
300。
Specifically, the external Regulate signal includes：0-10V voltage signals, 1-10V voltage signals, electric resistance partial pressure signal,
Pwm signal, DALI signals and power carrier dim signal.Intelligent identification module 500 receives said external Regulate signal, and
It can identify all external Regulate signals, that is, external Regulate signal can be received first, it is then outer according to what is received
Portion's Regulate signal judges that currently received is to belong to any external Regulate signal, then the external Regulate signal identified is transmitted
To control module 300.
Preferably, the control module 300 is additionally operable to receive the external Regulate signal, based on the external Regulate signal
Generate digital controlled signal.
Specifically, control module 300 can generate digital controlled signal according to the voltage signal for the transmission of module 200 of releasing,
And it is transferred to current output module 400；Control module 300 can also generate digital controlled signal according to external Regulate signal, and
It is transferred to current output module 400.That is LED700 light modulating devices provided in this embodiment can be compatible with all light modulations
Mode can receive the dim signal of all kinds, and be carried out by digital controlled signal after identifying through this embodiment
The adjusting of LED700 brightness.
Preferably, the intelligent identification module 500 includes at least one access port, and the access port is for receiving external tune
Save signal.
Specifically, wherein access port can be one or more, that is, a variety of dimming modes can be accessed simultaneously, it can
More easily meets the needs of user is to brightness.
Preferably, voltage signal is transmitted to the control by 200 output end of module of releasing by way of optical coupling
300 first input end of module.
Specifically, since optocoupler is linear change, when the cut phase voltage that cut phase obtains is transferred to by light modulator 100
After module of releasing 200, voltage signal can be transferred to control module 300 by optocoupler according to the linear change of cut phase voltage, therefore be controlled
Molding block 300 can obtain a highly stable voltage signal, and according to stable voltage signal to current control module 300
Stable control signal is transmitted, to reach more stable and reliable dimming effect.
Preferably, the current output module 400 includes：Bridge rectifier 410, the bridge rectifier 410
Input terminal is connect with the second output terminal of the light modulator 100, is turned for receiving the cut phase voltage, and by the cut phase voltage
It is changed to DC voltage；Circuit for power conversion 420, the input terminal of the circuit for power conversion 420 and the bridge rectifier 410
Output end connection, carry out constant pressure processing for receiving the DC voltage, and to the DC voltage, obtain constant voltage；
Current output circuit 430, the output end of the first input end of the current output circuit 430 and the circuit for power conversion 420
Connection, the second input terminal of the current output circuit 430 is connect with the output end of the control module 300, for receiving perseverance
Constant voltage and control signal, and based on the constant voltage and control signal control electric current is provided to LED700.
Specifically, the circuit for power conversion 420 is isolation or non-isolated buck, boost type, step-down/up type, flyback
One kind in formula high frequency switch power.The current output circuit 430 is：Buck circuit, boost circuit, step-down/up type electricity
It is one or more in road.Wherein bridge rectifier 410 receives the cut phase voltage that light modulator 100 transmits, and is obtained by rectification
To the DC voltage of only cut phase voltage positive half.Wherein circuit for power conversion 420 is specifically inverse-excitation type HF switch electricity
Source, inverse-excitation type high frequency switch power receives DC voltage, and carries out constant pressure processing to DC voltage, obtains a constant voltage,
And it is transmitted to current output circuit 430.Current output circuit 430 receive control module 300 transmit control signal and
The constant voltage that circuit for power conversion 420 transmits, the control based on control signal export control electric current to LED700, make LED700
It shines, and the control electric current exported to LED700 can be controlled according to control signal, the further light and shade for controlling LED700
Degree achievees the purpose that LED700 is dimmed.
The LED light modulating devices of the utility model are provided with light modulator, module of releasing, control module, current output module.It is logical
It crosses setting light modulator and the adjusting of voltage is carried out to the electric current that power grid exports, and obtain cut phase voltage.Distinguish by cut phase voltage
It is transferred to release module and current output module, module of releasing provides a stable electric current for light modulator, and receives and cut
Phase voltage, and be converted into voltage signal and be transferred to control module.Control module receives voltage signal, and is converted into
Digital controlled signal is transferred to current output module.Current output module receives cut phase voltage and the control of light modulator transmission simultaneously
The digital controlled signal of module transfer processed, and based on cut phase voltage and digital controlled signal control electric current is provided to LED light source.
Difference based on digital controlled signal, the size to controlling electric current control.The conducting of wherein leadage circuit will produce one
Leakage current, leakage current are exactly when the input current of current output module is less than the extinction current of controllable silicon dimmer
When, the extinction current of controllable silicon dimmer is met using leakage current, further avoids the flicker of LED light source, with
And the damage of LED light source, also avoid unnecessary economic loss.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of LED light modulating devices, which is characterized in that including：
Light modulator, the light modulator input terminal are connect with power grid, the alternating current for receiving power grid, and are carried out to the alternating current
Cut phase handles to obtain cut phase voltage；
It releases module, the input terminal of the module of releasing is connect with the first output end of the light modulator, for receiving described cut
Phase voltage generates voltage signal based on the cut phase voltage and is transmitted to control module, is additionally operable to provide for the light modulator and let out
Discharge stream；
Control module, the control module first input end is connect with the module output end of releasing, for receiving the voltage
Signal generates digital controlled signal based on the voltage signal；
Current output module, the current output module first input end are connect with the light modulator second output terminal, the electricity
Stream the second input terminal of output module is connect with the output end of the control module, and the current output module is for receiving described cut
Phase voltage and digital controlled signal, and based on cut phase voltage and digital controlled signal control electric current is provided to LED.
2. the apparatus according to claim 1, which is characterized in that described device further includes：
Intelligent identification module, the output end of the intelligent identification module is connect with the second input terminal of the control module, for connecing
It receives and identifies external Regulate signal, and transmit it to control module.
3. the apparatus of claim 2, which is characterized in that
The control module is additionally operable to receive the external Regulate signal, and digital control letter is generated based on the external Regulate signal
Number.
4. the apparatus of claim 2, which is characterized in that
The intelligent identification module includes at least one access port, and the access port is for receiving external Regulate signal.
5. the apparatus according to claim 1, which is characterized in that
Voltage signal is transmitted to the control module first input end by the module output end of releasing by way of optical coupling.
6. the apparatus according to claim 1, which is characterized in that the current output module includes：
Bridge rectifier, the input terminal of the bridge rectifier is connect with the second output terminal of the light modulator, for connecing
The cut phase voltage is received, and the cut phase voltage is converted into DC voltage；
Circuit for power conversion, the input terminal of the circuit for power conversion connect with the output end of the bridge rectifier, are used for
The DC voltage is received, and constant pressure processing is carried out to the DC voltage, obtains constant voltage；
Current output circuit, the first input end of the current output circuit are connect with the output end of the circuit for power conversion,
Second input terminal of the current output circuit is connect with the output end of the control module, for receiving constant voltage and number
Word controls signal, and provides control electric current to LED based on the constant voltage and digital controlled signal.
7. the apparatus according to claim 1, which is characterized in that
The light modulator is：Forward position phase-cut dimmer or after one kind in phase-cut dimmer.
8. device according to claim 3, which is characterized in that
Regulate signal includes outside described：0-10V voltage signals, 1-10V voltage signals, electric resistance partial pressure signal, pwm signal,
DALI signals and power carrier dim signal.
9. device according to claim 6, which is characterized in that
The circuit for power conversion is：Isolation or non-isolated buck, boost type, step-down/up type, inverse-excitation type HF switch electricity
One kind in source.
10. device according to claim 6, which is characterized in that
The current output circuit is：It is one or more in buck circuit, boost circuit, step-down/up type circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721636743.3U CN207744191U (en) | 2017-11-29 | 2017-11-29 | LED light modulating devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721636743.3U CN207744191U (en) | 2017-11-29 | 2017-11-29 | LED light modulating devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207744191U true CN207744191U (en) | 2018-08-17 |
Family
ID=63116690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721636743.3U Active CN207744191U (en) | 2017-11-29 | 2017-11-29 | LED light modulating devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207744191U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846756A (en) * | 2017-11-29 | 2018-03-27 | 深圳音浮光电股份有限公司 | LED light modulating devices |
| CN109922564A (en) * | 2019-02-19 | 2019-06-21 | 昂宝电子（上海）有限公司 | Voltage conversion system and method for TRIAC driving |
| US10973095B2 (en) | 2017-09-14 | 2021-04-06 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for bleeder control related to lighting emitting diodes |
| US10999904B2 (en) | 2012-11-12 | 2021-05-04 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for dimming control using TRIAC dimmers |
| US10999903B2 (en) | 2017-11-30 | 2021-05-04 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for stage-based control related to TRIAC dimmers |
| US11183996B2 (en) | 2017-07-10 | 2021-11-23 | On-Bright Electronics (Shanghai) Co., Ltd. | Switch control systems for light emitting diodes and methods thereof |
| US11212885B2 (en) | 2014-04-25 | 2021-12-28 | Guangzhou On-Bright Electronics Co., Ltd. | Systems and methods for intelligent control related to TRIAC dimmers |
| US11252799B2 (en) | 2019-12-27 | 2022-02-15 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for controlling currents flowing through light emitting diodes |
| US11297704B2 (en) | 2019-08-06 | 2022-04-05 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for bleeder control related to TRIAC dimmers associated with LED lighting |
| US11405992B2 (en) | 2019-11-20 | 2022-08-02 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for dimming control related to TRIAC dimmers associated with LED lighting |
| US11540371B2 (en) | 2020-04-13 | 2022-12-27 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for controlling power factors of LED lighting systems |
| US11564299B2 (en) | 2019-12-19 | 2023-01-24 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for providing power supply to current controllers associated with LED lighting |
| US11570859B2 (en) | 2017-12-28 | 2023-01-31 | On-Bright Electronics (Shanghai) Co., Ltd. | LED lighting systems with TRIAC dimmers and methods thereof |
-
2017
- 2017-11-29 CN CN201721636743.3U patent/CN207744191U/en active Active
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10999904B2 (en) | 2012-11-12 | 2021-05-04 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for dimming control using TRIAC dimmers |
| US11212885B2 (en) | 2014-04-25 | 2021-12-28 | Guangzhou On-Bright Electronics Co., Ltd. | Systems and methods for intelligent control related to TRIAC dimmers |
| US11183996B2 (en) | 2017-07-10 | 2021-11-23 | On-Bright Electronics (Shanghai) Co., Ltd. | Switch control systems for light emitting diodes and methods thereof |
| US11201612B2 (en) | 2017-07-10 | 2021-12-14 | On-Bright Electronics (Shanghai) Co., Ltd. | Switch control systems for light emitting diodes and methods thereof |
| US11206015B2 (en) | 2017-07-10 | 2021-12-21 | On-Bright Electronics (Shanghai) Co., Ltd. | Switch control systems for light emitting diodes and methods thereof |
| US11784638B2 (en) | 2017-07-10 | 2023-10-10 | On-Bright Electronics (Shanghai) Co., Ltd. | Switch control systems for light emitting diodes and methods thereof |
| US11695401B2 (en) | 2017-07-10 | 2023-07-04 | On-Bright Electronics (Shanghai) Co., Ltd. | Switch control systems for light emitting diodes and methods thereof |
| US10973095B2 (en) | 2017-09-14 | 2021-04-06 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for bleeder control related to lighting emitting diodes |
| CN107846756A (en) * | 2017-11-29 | 2018-03-27 | 深圳音浮光电股份有限公司 | LED light modulating devices |
| US10999903B2 (en) | 2017-11-30 | 2021-05-04 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for stage-based control related to TRIAC dimmers |
| US11026304B2 (en) | 2017-11-30 | 2021-06-01 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for stage-based control related to TRIAC dimmers |
| US11937350B2 (en) | 2017-12-28 | 2024-03-19 | On-Bright Electronics (Shanghai) Co., Ltd. | LED lighting systems with TRIAC dimmers and methods thereof |
| US11570859B2 (en) | 2017-12-28 | 2023-01-31 | On-Bright Electronics (Shanghai) Co., Ltd. | LED lighting systems with TRIAC dimmers and methods thereof |
| US11638335B2 (en) | 2017-12-28 | 2023-04-25 | On-Bright Electronics (Shanghai) Co., Ltd. | LED lighting systems with TRIAC dimmers and methods thereof |
| US11678417B2 (en) | 2019-02-19 | 2023-06-13 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods with TRIAC dimmers for voltage conversion related to light emitting diodes |
| CN109922564B (en) * | 2019-02-19 | 2023-08-29 | 昂宝电子（上海）有限公司 | Voltage conversion system and method for TRIAC drive |
| US11224105B2 (en) | 2019-02-19 | 2022-01-11 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods with TRIAC dimmers for voltage conversion related to light emitting diodes |
| CN109922564A (en) * | 2019-02-19 | 2019-06-21 | 昂宝电子（上海）有限公司 | Voltage conversion system and method for TRIAC driving |
| US11297704B2 (en) | 2019-08-06 | 2022-04-05 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for bleeder control related to TRIAC dimmers associated with LED lighting |
| US11792901B2 (en) | 2019-08-06 | 2023-10-17 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for bleeder control related to TRIAC dimmers associated with LED lighting |
| US11405992B2 (en) | 2019-11-20 | 2022-08-02 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for dimming control related to TRIAC dimmers associated with LED lighting |
| US11743984B2 (en) | 2019-11-20 | 2023-08-29 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for dimming control related to TRIAC dimmers associated with LED lighting |
| US11564299B2 (en) | 2019-12-19 | 2023-01-24 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for providing power supply to current controllers associated with LED lighting |
| US11856670B2 (en) | 2019-12-19 | 2023-12-26 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for providing power supply to current controllers associated with LED lighting |
| US11252799B2 (en) | 2019-12-27 | 2022-02-15 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for controlling currents flowing through light emitting diodes |
| US11723128B2 (en) | 2019-12-27 | 2023-08-08 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for controlling currents flowing through light emitting diodes |
| US11540371B2 (en) | 2020-04-13 | 2022-12-27 | On-Bright Electronics (Shanghai) Co., Ltd. | Systems and methods for controlling power factors of LED lighting systems |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207744191U (en) | LED light modulating devices | |
| TW201534180A (en) | A lighting device a lighting assembly and a regulating element | |
| CN204335111U (en) | A kind of LED novel intelligent power supply of binary channels tunable optical color-temperature regulating | |
| CN204929313U (en) | Luminous controlling means of LED lamps and lanterns and system | |
| CN105007647A (en) | Driving method and circuit of intelligent control lighting appliance | |
| CN203289686U (en) | LED color temperature adjusting device and light emitting system having same | |
| CN103124459A (en) | Color and brightness adjustable light-adjusting method and device and illuminating system | |
| CN205378286U (en) | Intelligence LED filament lamp | |
| CN107846756A (en) | LED light modulating devices | |
| CN201757323U (en) | Flicker-free LED MR16 spotlight with dimming function | |
| CN103139991A (en) | Light-adjustable light-emitting diode (LED) drive circuit | |
| CN103917022A (en) | LED lamp control and adjusting device and method based on electronic switching tube power line carrier | |
| CN204206530U (en) | Dimmer, light adjusting system and illuminator | |
| CN203872404U (en) | Circuit structure of LED driving power supply capable of realizing light adjustment and color adjustment through silicon controlled dimmer | |
| CN107580396B (en) | A kind of compatible silicon controlled linear LED drive circuit of light modulation of high efficiency | |
| CN209151403U (en) | LED light adjusting circuit | |
| CN209731641U (en) | A kind of controller of programmable automatic constant LED illuminance | |
| CN202435648U (en) | Electrodeless dimming switch based on LED illumination | |
| CN107041042B (en) | A kind of adjustable LED light of light source | |
| CN207911082U (en) | A kind of Crystal lamp illumination light modulation color-temperature regulating equipment | |
| CN203775482U (en) | Dimmable LED light fixture | |
| CN104780695A (en) | LED stepless dimming constant current drive power source | |
| CN204733417U (en) | A kind of light modulation toning LED drive device | |
| CN202327756U (en) | Dimming light emitting diode (LED) bulb lamp based on infrared remote control mode | |
| CN109618454A (en) | A kind of LED dimming control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Units 01 and 02, 16th Floor, Changhong Science and Technology Building, 18 Science and Technology South 12 Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Yinfu Co., Ltd. Address before: 518000 Units 01 and 02, 16th Floor, Changhong Science and Technology Building, 18 Science and Technology South 12 Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Infor Optoelectronics Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |