CN108471655A - A kind of LED light light adjusting and controlling device - Google Patents

A kind of LED light light adjusting and controlling device Download PDF

Info

Publication number
CN108471655A
CN108471655A CN201810494088.5A CN201810494088A CN108471655A CN 108471655 A CN108471655 A CN 108471655A CN 201810494088 A CN201810494088 A CN 201810494088A CN 108471655 A CN108471655 A CN 108471655A
Authority
CN
China
Prior art keywords
resistance
capacitance
light
diode
electrically connected
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.)
Granted
Application number
CN201810494088.5A
Other languages
Chinese (zh)
Other versions
CN108471655B (en
Inventor
赵坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lumlux Corp
Original Assignee
Suzhou New Adrian Electronic Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou New Adrian Electronic Technology Co Ltd filed Critical Suzhou New Adrian Electronic Technology Co Ltd
Priority to CN201810494088.5A priority Critical patent/CN108471655B/en
Publication of CN108471655A publication Critical patent/CN108471655A/en
Application granted granted Critical
Publication of CN108471655B publication Critical patent/CN108471655B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10Controlling the intensity of the light
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)

Abstract

The present invention provides a kind of LED light light adjusting and controlling device comprising:Input module, output module, feedback module and light-adjusting module;The input module includes:Input unit and control unit, the operating current of the input unit input LED light, the input unit are electrically connected with described control unit, and described control unit is electrically connected with the feedback module, and the feedback module includes:Feedback unit, the output module are electrically connected with the LED lamp panel of LED light, and the feedback unit is electrically connected with the light-adjusting module, and the light-adjusting module has input terminal and output end, the voltage of voltage=maximum output voltage output end of the output end.The LED light light adjusting and controlling device of the present invention can be solved in LED control device trouble or failures, and LED drivings still can export larger current or maximum current, keep LED light brightness higher, do not interfere with normal illumination.In application, traffic accident will not be caused because of the trouble or failure of LED control devices especially in tunnel.

Description

A kind of LED light light adjusting and controlling device
Technical field
The present invention relates to LED light control technology field more particularly to a kind of LED light light adjusting and controlling devices.
Background technology
With the getting worse of global energy crisis and climate warming problem, green energy conservation has become global common concern Topic, people pass through various approach and find new power save mode.Illumination is the importance that the mankind consume the energy, in electric energy In consumption, the ratio that developed country's electric consumption on lighting accounts for power generation total amount is 19%, and China has also reached 12%.With economic development, The raising that the electric consumption on lighting in China will have large scale, therefore the research of green energy conservation illumination is increasingly taken seriously.
LED is after incandescent lamp, fluorescent lamp, high-intensity discharge lamp (such as high-pressure sodium lamp and golden halogen as a kind of solid-state cold light source Lamp) after forth generation new light sources.Solid-state lighting based on white light LEDs is a kind of typical green illumination mode, with traditional light Source is compared, and has the characteristics that energy-saving and environmental protection, long lifespan, small, safe and reliable.
However, when the failure of LED light adjusting and controlling devices or failure mode, control device exports low level or 0V is defeated Go out, LED drivings at this time export smaller or minimum current, i.e., LED light power is smaller or minimum power, and brightness is also smaller, can influence Normal illumination.Application especially in some tunnels, tunnel light is weaker, easy tos produce traffic accident.
Invention content
The present invention is intended to provide a kind of LED light light adjusting and controlling device, to overcome the deficiencies in the prior art.
In order to solve the above technical problems, the technical scheme is that:
A kind of LED light light adjusting and controlling device comprising:Input module, output module, feedback module and light-adjusting module;
The input module includes:Input unit and control unit, the operating current of the input unit input LED light, The input unit is electrically connected with described control unit, and described control unit is electrically connected with the feedback module, the feedback mould Block includes:Feedback unit, the output module are electrically connected with the LED lamp panel of LED light, the feedback unit and the light-adjusting module Electrical connection, the light-adjusting module have input terminal and output end, voltage=maximum output voltage-output end of the output end Voltage.
The improvement of LED light light adjusting and controlling device as the present invention, the input unit include:Firewire input terminal, zero curve Input terminal and rectifier bridge, the firewire input terminal and zero curve input terminal are electrically connected through the rectifier bridge with described control unit.
The improvement of LED light light adjusting and controlling device as the present invention, described control unit include:Control chip U8, resistance R14, resistance R15, resistance R16, capacitance C16, resistance R19, resistance R13, metal-oxide-semiconductor Q1, diode D8, resistance R8, capacitance C5, three Pole pipe Q3, diode D1, resistance R23, zener diode ZD2;
Operating current from the input unit is successively through the resistance R14, resistance R15, resistance R16, capacitance C16 The control chip U8 power supplies, described to control described in the PWM drive signal warp that chip U8 is exported, resistance R19, resistance R13 drivings The metal-oxide-semiconductor Q1, the supply current exported from the transformer is successively through the diode D8, resistance R8, capacitance C5, triode Q3, diode D1, resistance R23, zener diode ZD2 power for the U8.
The improvement of LED light light adjusting and controlling device as the present invention, the model ICE2QS02G of the control chip U8.
The improvement of LED light light adjusting and controlling device as the present invention, the feedback unit includes feedback control loop, the feedback Loop includes:Photoelectrical coupler U5, resistance R34, resistance R35, resistance R61, diode D5, diode D6, resistance R65, capacitance C49, capacitance C17, double operational U1, resistance R67, capacitance C24, capacitance C28, resistance R66, resistance R36, resistance R37, resistance R43, Resistance R52;
The 5 foot B+ of the double power amplifier U1 are electrically connected with capacitance C28,5 foot B+ also with resistance R36, resistance R37, resistance R43, electricity R52 electrical connections are hindered, 6 foot B- are electrically connected with resistance R67, and 7 foot BO are electrically connected with the resistance R66 and capacitance C24, the 7 foot BO It is also electrically connected with resistance R65, capacitance C49, diode D6, diode D5, the R34 and R35 are connected to the diode D6, two Between pole pipe D5, the U5 is connected to the both ends the resistance R35, and 8 foot VCC are electrically connected with the capacitance C17 and resistance R61 respectively It connects.
The improvement of LED light light adjusting and controlling device as the present invention, the light-adjusting module include:Resistance R1, resistance R2, electricity Hinder R3, resistance R4, resistance R5, capacitance C1, capacitance C2, single amplifier U1, diode D12;
The pin 1 of the list amplifier U1 is electrically connected with resistance R1, and the capacitance C1 and resistance R2 are parallel to the amplifier U1 Pin 1 and resistance R1 between, pin 3 of the input terminal through the diode D12 resistance R4 and single amplifier U1 is electrically connected It connects, the resistance R3 and capacitance C2 are parallel between the diode D12 resistance R4, and the output end is with single amplifier U1's Pin 4 is electrically connected, and the both ends of the resistance R5 are electrically connected with the pin 3 of single amplifier U1 and pin 4.
The resistance value of the improvement of LED light light adjusting and controlling device as the present invention, the resistance R4 and resistance R5 are equal.
The improvement of LED light light adjusting and controlling device as the present invention, the maximum output voltage are 10V.
Compared with prior art, the beneficial effects of the invention are as follows:The LED light light adjusting and controlling device of the present invention can solve When LED control device trouble or failures, LED driving still can export larger current or maximum current, make LED light brightness compared with Height does not interfere with normal illumination.In application, will not cause to hand over because of the trouble or failure of LED control devices especially in tunnel Interpreter's event.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments described in invention, for those of ordinary skill in the art, without creative efforts, Other drawings may also be obtained based on these drawings.
Fig. 1 is the module diagram of one specific implementation mode of LED light light adjusting and controlling device;
Fig. 2 is the circuit diagram of input module, feedback module in the LED light light adjusting and controlling device invented;
Fig. 3 is the circuit diagram of light-adjusting module in the LED light light adjusting and controlling device invented.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
As shown in Figs. 1-3, the LED light light adjusting and controlling device includes:Input module, output module 4, feedback module and Light-adjusting module 5.
The input module for realizing operating current input comprising:Input unit 1 and control unit 2, it is described defeated Enter the operating current that unit 1 inputs LED light, the input unit 1 is electrically connected with described control unit 2, described control unit 2 and The feedback module electrical connection.
Wherein, the input unit 1 includes:Firewire input terminal, zero curve input terminal and rectifier bridge, the firewire input terminal It is electrically connected with described control unit 2 through the rectifier bridge with zero curve input terminal.
Described control unit 2 includes:Control chip U8, resistance R14, resistance R15, resistance R16, capacitance C16, resistance R19, Resistance R13, metal-oxide-semiconductor Q1, diode D8, resistance R8, capacitance C5, triode Q3, diode D1, resistance R23, zener diode ZD2.Preferably, the model ICE2QS02G of the control chip U8.
When described control unit 2 works, the operating current from the input unit 1 is successively through the resistance R14, resistance R15, resistance R16, capacitance C16 power for the control chip U8, and the PWM drive signal of the control chip U8 outputs is through institute It states, resistance R19, resistance R13 drive the metal-oxide-semiconductor Q1, and the supply current exported from the transformer is successively through the diode D8, resistance R8, capacitance C5, triode Q3, diode D1, resistance R23, zener diode ZD2 power for the U8.
The feedback module includes:Feedback unit 3, the output module 4 are electrically connected with the LED lamp panel of LED light.It is described anti- It includes feedback control loop to present unit 3, and the feedback control loop includes:Photoelectrical coupler U5, resistance R34, resistance R35, resistance R61, two Pole pipe D5, diode D6, resistance R65, capacitance C49, capacitance C17, double operational U1, resistance R67, capacitance C24, capacitance C28, resistance R66, resistance R36, resistance R37, resistance R43, resistance R52.
Specifically, in the feedback control loop, the 5 foot B+ of the double power amplifier U1 are electrically connected with capacitance C28,5 foot B+ also with resistance R36, resistance R37, resistance R43, resistance R52 electrical connections, 6 foot B- are electrically connected with resistance R67,7 foot BO and the resistance R66 and electricity Hold C24 electrical connections, the 7 foot BO is also electrically connected with resistance R65, capacitance C49, diode D6, diode D5, the R34 and R35 Be connected between the diode D6, diode D5, the U5 is connected to the both ends the resistance R35,8 foot VCC respectively with it is described Capacitance C17 and resistance R61 electrical connections.
The feedback unit is electrically connected with the light-adjusting module 5, and the light-adjusting module 5 has input terminal and output end, institute State the voltage of voltage=maximum output voltage-output end of output end.To by the light-adjusting module 5, control and fill in LED When setting trouble or failure, LED drivings still can export larger current or maximum current, keep LED light brightness higher, do not interfere with Normal illumination.
To achieve the goals above, the light-adjusting module 5 includes:Resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, capacitance C1, capacitance C2, single amplifier U1, diode D12.Wherein, the resistance value of the resistance R4 and resistance R5 is equal.
Specifically, the pin 1 of single amplifier U1 is electrically connected with resistance R1, described in the capacitance C1 and resistance R2 are parallel to Between the pin 1 and resistance R1 of amplifier U1, pin of the input terminal through the diode D12 resistance R4 with single amplifier U1 3 electrical connections, the resistance R3 and capacitance C2 are parallel between the diode D12 resistance R4, the output end and the Dan Yun The pin 4 for putting U1 is electrically connected, and the both ends of the resistance R5 are electrically connected with the pin 3 of single amplifier U1 and pin 4.
Preferably, the maximum output voltage is 10V.At this point, input terminal Vin is 0-10V voltages, output end vo ut is 10-0V voltages, voltage VA=R2/ (R1+R2) * VDD of the pin 1 of U1 are known if VA points take 5V by void is short:VA=VB=5V, (Vin-VB)/R4=(VB-Vout)/R5, so Vin-VB=VB-Vout, i.e. Vin-5=5-Vout, Vin+Vout=10V. That is Vin=0, Vout=10V, Vin=1V, Vout=9V ... etc..
In conclusion the LED light light adjusting and controlling device of the present invention can be solved in LED control device trouble or failures, LED drivings still can export larger current or maximum current, keep LED light brightness higher, do not interfere with normal illumination.Especially In application, traffic accident will not be caused because of the trouble or failure of LED control devices in tunnel.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (8)

1. a kind of LED light light adjusting and controlling device, which is characterized in that the LED light light adjusting and controlling device includes:It is input module, defeated Go out module, feedback module and light-adjusting module;
The input module includes:Input unit and control unit, the operating current of the input unit input LED light are described Input unit is electrically connected with described control unit, and described control unit is electrically connected with the feedback module, the feedback module packet It includes:Feedback unit, the output module are electrically connected with the LED lamp panel of LED light, and the feedback unit is electrically connected with the light-adjusting module It connects, the light-adjusting module has input terminal and output end, the electricity of voltage=maximum output voltage-output end of the output end Pressure.
2. LED light light adjusting and controlling device according to claim 1, which is characterized in that the input unit includes:Firewire is defeated Enter end, zero curve input terminal and rectifier bridge, the firewire input terminal and zero curve input terminal are single through the rectifier bridge and the control Member electrical connection.
3. LED light light adjusting and controlling device according to claim 1, which is characterized in that described control unit includes:Control core Piece U8, resistance R14, resistance R15, resistance R16, capacitance C16, resistance R19, resistance R13, metal-oxide-semiconductor Q1, diode D8, resistance R8, Capacitance C5, triode Q3, diode D1, resistance R23, zener diode ZD2;
Operating current from the input unit is successively described through the resistance R14, resistance R15, resistance R16, capacitance C16 Chip U8 power supplies are controlled, it is described to control described in the PWM drive signal warp that chip U8 is exported, described in resistance R19, resistance R13 drivings Metal-oxide-semiconductor Q1, from the transformer export supply current successively through the diode D8, resistance R8, capacitance C5, triode Q3, Diode D1, resistance R23, zener diode ZD2 power for the U8.
4. LED light light adjusting and controlling device according to claim 3, which is characterized in that the model of the control chip U8 ICE2QS02G。
5. LED light light adjusting and controlling device according to claim 1, which is characterized in that the feedback unit includes feedback loop Road, the feedback control loop include:Photoelectrical coupler U5, resistance R34, resistance R35, resistance R61, diode D5, diode D6, electricity Hinder R65, capacitance C49, capacitance C17, double operational U1, resistance R67, capacitance C24, capacitance C28, resistance R66, resistance R36, resistance R37, resistance R43, resistance R52;
The 5 foot B+ of the double power amplifier U1 are electrically connected with capacitance C28,5 foot B+ also with resistance R36, resistance R37, resistance R43, resistance R52 Electrical connection, 6 foot B- are electrically connected with resistance R67, and 7 foot BO are electrically connected with the resistance R66 and capacitance C24, the 7 foot BO also with electricity R65, capacitance C49, diode D6, diode D5 electrical connections are hindered, the R34 and R35 are connected to the diode D6, diode D5 Between, the U5 is connected to the both ends the resistance R35, and 8 foot VCC are electrically connected with the capacitance C17 and resistance R61 respectively.
6. LED light light adjusting and controlling device according to claim 1, which is characterized in that the light-adjusting module includes:Resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, capacitance C1, capacitance C2, single amplifier U1, diode D12;
The pin 1 of the list amplifier U1 is electrically connected with resistance R1, and the capacitance C1 and resistance R2 are parallel to drawing for the amplifier U1 Between foot 1 and resistance R1, the input terminal is electrically connected through the diode D12 resistance R4 with the pin 3 of single amplifier U1, institute It states resistance R3 and capacitance C2 to be parallel between the diode D12 resistance R4, the pin 4 of the output end and single amplifier U1 Electrical connection, the both ends of the resistance R5 are electrically connected with the pin 3 of single amplifier U1 and pin 4.
7. LED light light adjusting and controlling device according to claim 1, which is characterized in that the resistance of the resistance R4 and resistance R5 It is worth equal.
8. LED light light adjusting and controlling device according to claim 1, which is characterized in that the maximum output voltage is 10V.
CN201810494088.5A 2018-05-22 2018-05-22 Dimming control device for LED lamp Active CN108471655B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810494088.5A CN108471655B (en) 2018-05-22 2018-05-22 Dimming control device for LED lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810494088.5A CN108471655B (en) 2018-05-22 2018-05-22 Dimming control device for LED lamp

Publications (2)

Publication Number Publication Date
CN108471655A true CN108471655A (en) 2018-08-31
CN108471655B CN108471655B (en) 2024-02-09

Family

ID=63260382

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810494088.5A Active CN108471655B (en) 2018-05-22 2018-05-22 Dimming control device for LED lamp

Country Status (1)

Country Link
CN (1) CN108471655B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110519901A (en) * 2019-09-19 2019-11-29 深圳市紫光照明技术股份有限公司 A kind of Intelligent lamp

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6471094A (en) * 1987-09-10 1989-03-16 Mitsubishi Electric Corp Tunnel illumination adjusting device
CN201854478U (en) * 2010-10-07 2011-06-01 李彬林 Street lamp control circuit for controlling any node based on digital technology
JP2014078420A (en) * 2012-10-11 2014-05-01 Panasonic Corp Light emitting element lighting device and lighting fixture using the same
TW201601590A (en) * 2014-12-23 2016-01-01 峒鑫科技股份有限公司 Light emitting diode dimmer circuit
CN204968169U (en) * 2015-08-21 2016-01-13 广西交通科学研究院 Tunnel LED dimming control system
CN105992427A (en) * 2015-01-30 2016-10-05 峒鑫科技股份有限公司 Light-emitting diode dimming circuit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6471094A (en) * 1987-09-10 1989-03-16 Mitsubishi Electric Corp Tunnel illumination adjusting device
CN201854478U (en) * 2010-10-07 2011-06-01 李彬林 Street lamp control circuit for controlling any node based on digital technology
JP2014078420A (en) * 2012-10-11 2014-05-01 Panasonic Corp Light emitting element lighting device and lighting fixture using the same
TW201601590A (en) * 2014-12-23 2016-01-01 峒鑫科技股份有限公司 Light emitting diode dimmer circuit
CN105992427A (en) * 2015-01-30 2016-10-05 峒鑫科技股份有限公司 Light-emitting diode dimming circuit
CN204968169U (en) * 2015-08-21 2016-01-13 广西交通科学研究院 Tunnel LED dimming control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110519901A (en) * 2019-09-19 2019-11-29 深圳市紫光照明技术股份有限公司 A kind of Intelligent lamp

Also Published As

Publication number Publication date
CN108471655B (en) 2024-02-09

Similar Documents

Publication Publication Date Title
CN103533717B (en) Based on electronic equipment and the control method thereof of direct current supply communication
CN103185265A (en) LED bulb lamp capable of being automatically turned on/off
CN101835306A (en) Led lamp control circuit and led lamp
CN203661346U (en) Intelligent control type led driving power supply
CN108471655A (en) A kind of LED light light adjusting and controlling device
CN103152939A (en) Four-in-one light-dimming circuit of light-emitting diode (LED) power source
CN208707986U (en) A kind of LED light light adjusting and controlling device
CN203554757U (en) Electronic device based on DC power-supplying communication
CN203872387U (en) Power off non-stroboscopic second gear dimmable LED driving power supply
CN204392646U (en) A kind of time control high-power LED driving power source
CN203761636U (en) Universal alternating-current LED lamp
CN207665248U (en) A kind of optical-control energy-saving emergency lighting device
CN203691702U (en) Line voltage compensation AC LED drive device
CN201726566U (en) Led lamp device
CN201601859U (en) Non-isolated LED driving circuit
CN202475874U (en) Light-operated switch with operational amplifier in cooperation with silicon controlled rectifier
CN201965888U (en) LED (Light Emitting Diode) screen driving device
CN105611669A (en) Non-flicker and soundless driving circuit
CN206136367U (en) Multi -functional intelligent house LED lamp
CN203708584U (en) Bidirectional driving LED circuit
CN204968189U (en) Can be according to strong and weak automatically regulated light brightness's of light regulator
CN204795737U (en) Soft start LED driver
CN204131813U (en) A kind of fluorescent lamp light adjusting circuit
CN204887573U (en) Balanced lamp of breathing
CN202759653U (en) LED lamp using power supply switch on-off encoding for setting color

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20190315

Address after: 215000 Chunlan Road, Huang Dai Town, Xiangcheng District, Suzhou, Jiangsu 81

Applicant after: LUMLUX Corp.

Address before: 11th Floor of Kangyang Building, Chunfeng Road, Huangdao Town, Xiangcheng District, Suzhou City, Jiangsu Province

Applicant before: SUZHOU XINNIUWEI ELECTRONIC TECHNOLOGY CO.,LTD.

GR01 Patent grant
GR01 Patent grant