CN203181289U - Brightness-adjustable and color-temperature-adjustable LED illumination lamp - Google Patents

Brightness-adjustable and color-temperature-adjustable LED illumination lamp Download PDF

Info

Publication number
CN203181289U
CN203181289U CN 201320057756 CN201320057756U CN203181289U CN 203181289 U CN203181289 U CN 203181289U CN 201320057756 CN201320057756 CN 201320057756 CN 201320057756 U CN201320057756 U CN 201320057756U CN 203181289 U CN203181289 U CN 203181289U
Authority
CN
China
Prior art keywords
led
circuit
brightness
module
colour temperature
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.)
Expired - Fee Related
Application number
CN 201320057756
Other languages
Chinese (zh)
Inventor
姚海舰
胡才双
姚齐林
黄军伟
张茜
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.)
Guangdong Longyuan Photoelectric Co., Ltd.
Original Assignee
ZHONGSHAN LONGYUAN PHOTOELECTRIC 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 ZHONGSHAN LONGYUAN PHOTOELECTRIC CO Ltd filed Critical ZHONGSHAN LONGYUAN PHOTOELECTRIC CO Ltd
Priority to CN 201320057756 priority Critical patent/CN203181289U/en
Application granted granted Critical
Publication of CN203181289U publication Critical patent/CN203181289U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a brightness-adjustable and color-temperature-adjustable LED illumination lamp comprising an LED illumination assembly module, an MCU control module, and a power supply module. The MCU control module comprises external switch signal input and infrared remote control signal input, and has Y_PWM warm color temperature control signal output and W_PWM cold color temperature control signal output. A user can carry out duty cycle adjustments upon the Y_PWM warm color temperature control signal output and W_PWM cold color temperature control signal output of the MCU control module through an external switch or remote control, such that LED illumination assembly module brightness and color temperature adjustments can be realized. According to the utility model, through the remote control and switch dual control manner, different color temperatures can be obtained or adjusted, such that a comfortable feeling can be provided. Through the adjustment upon space brightness, a warm feeling can be provided. According to the lamp, reliability is greatly improved, and the design is more humanized. Therefore, the lamp has good application prospect.

Description

A kind of LED lighting of tunable optical adjustable color temperature
Technical field
The utility model relates to the LED lighting technical field, particularly relates to a kind of LED lighting of tunable optical adjustable color temperature.
Background technology
Along with the development of economic society and improving constantly of LED lighting technology, the LED lighting that is described as " green illumination " is applied in the middle of the daily life more and more widely, because there is high brightness in it, life-span is long, response speed is fast, advantage such as environmentally safe and energy saving, just progressively become main flow lighting now, be widely used in commercial lighting, decorative lighting, lighting field such as road lighting and indoor and outdoor lighting, the designed LED lighting of prior art scarcely has the function that colour temperature and brightness are regulated simultaneously, can only do single colour temperature or in single colour temperature, do the adjustment of brightness, and the control mode of existing product is more single, mostly be remote control control, remote control is in case damage, whether other corresponding control modes are arranged as standby, make troubles for people's life, in view of above-mentioned defective, be necessary the design of existing LED lighting is proposed new improvement.
The utility model content
At the problems referred to above, the utility model provides a kind of LED lighting that can carry out light modulation toning temperature by switch and the two control modes of remote control.
The utility model is that the technical scheme that its technical problem of solution adopts is:
A kind of LED lighting of tunable optical adjustable color temperature comprises:
LED light fixture module is used for sending illuminating ray;
The MCU control module is used for brightness and the colour temperature of described LED light fixture module are regulated;
Supply module is used for described LED light fixture module and the power supply of MCU control module;
It is characterized in that:
Described MCU control module has the input of external switch signal and infrared remote-controlled signal input, and has the output of Y_PWM warm colour temperature control signal and the output of W_PWM cool colour temperature control signal, the user can carry out duty cycle adjustment to the output of Y_PWM warm colour temperature control signal and the output of W_PWM cool colour temperature control signal of described MCU control module by external switch or remote control, and then realization is to the adjusting of the module brightness of LED light fixture and colour temperature, make the brightness of described LED light fixture module change in the A scope, colour temperature changes in the B scope.
As further improvement of these options, under switch or remote control mode, the brightness excursion A of described LED light fixture module is 0-100%; The colour temperature excursion B of described LED light fixture module is 2800-6500K.
Further, under switching mode, the brightness of described LED light fixture module and colour temperature are respectively following four kinds of situations: 100% brightness, 4500K colour temperature; 100% brightness, the 6500K colour temperature; 100% brightness, the 2800K colour temperature; 50% brightness, the 2650K colour temperature.
Further, described LED light fixture module comprises Y_LED constant current DC-DC change-over circuit, W_LED constant current DC-DC change-over circuit, Y_LED warm colour light LED lamp pearl string and W_LED cool colour light LED lamp pearl string, the feeder ear input of described Y_LED constant current DC-DC change-over circuit connects described supply module, its output links to each other with described Y_LED warm colour light LED lamp pearl string, its control input end links to each other with described MCU control module, described W_LED constant current DC-DC change-over circuit feeder ear input connects described supply module, its output links to each other with W_LED cool colour light LED lamp pearl string, and its control input end links to each other with described MCU control module.
Further, described supply module comprises AC civil power input circuit, the EMI filter circuit, the insulating power supply switching circuit, the DC output circuit, dc voltage control feedback circuit and MCU auxiliary power supply circuit, described AC civil power input circuit links to each other with the EMI filter circuit, described EMI filter circuit links to each other with the insulating power supply switching circuit, the output of described insulating power supply switching circuit is divided into two branch roads, article one, branch road links to each other with the DC output circuit, another branch road links to each other with MCU auxiliary power supply circuit, the feedback output end of described DC output circuit is connected to the feedback input end of insulating power supply switching circuit by dc voltage control feedback circuit, the voltage output end of DC output circuit links to each other with W_LED constant current DC-DC change-over circuit with Y_LED constant current DC-DC change-over circuit, and described MCU auxiliary power supply circuit links to each other with described MCU control module.
In addition, be connected with the external switch signal deteching circuit between the external switch signal input part of described AC civil power input circuit and described MCU control module.
The beneficial effects of the utility model are: the utility model is as a kind of LED lighting of tunable optical adjustable color temperature, comprise LED light fixture module, MCU control module and supply module, described MCU control module has the input of external switch signal and infrared remote-controlled signal input, and has the output of Y_PWM warm colour temperature control signal and the output of W_PWM cool colour temperature control signal, the user can carry out duty cycle adjustment to the output of Y_PWM warm colour temperature control signal and the output of W_PWM cool colour temperature control signal of described MCU control module by external switch or remote control, and then realization is to the adjusting of the module brightness of LED light fixture and colour temperature, the utility model is by the dual control mode of remote control and switch, obtain or adjust different colour temperatures, reach blander sensation, and can make the people feel warm by the brightness of adjusting the space, not only reliability improves a lot, and design humanizedly, therefore possess good prospects for application.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is the utility model principle frame structure schematic diagram;
Fig. 2 is the utility model software control flow diagram;
Fig. 3 is the utility model product blast structural representation.
Embodiment
With reference to Fig. 1-Fig. 3, a kind of LED lighting of tunable optical adjustable color temperature comprises LED light fixture module 1, is used for sending illuminating ray; MCU control module 2 is used for brightness and the colour temperature of described LED light fixture module 1 are regulated; Supply module 3 is used for described LED light fixture module 1 and 2 power supplies of MCU control module; Described MCU control module 2 has the input of external switch signal and infrared remote-controlled signal input, and has the output of Y_PWM warm colour temperature control signal and the output of W_PWM cool colour temperature control signal, the user can carry out duty cycle adjustment to the output of Y_PWM warm colour temperature control signal and the output of W_PWM cool colour temperature control signal of described MCU control module 2 by external switch or remote control, and then realization is to the adjusting of 1 brightness of LED light fixture module and colour temperature, make the brightness of described LED light fixture module 1 change in the A scope, colour temperature changes in the B scope.Under switch or remote control mode, the brightness excursion A of described LED light fixture module 1 is 0-100%; The colour temperature excursion B of described LED light fixture module 1 is 2800-6500K.Under switching mode, the brightness of described LED light fixture module 1 and colour temperature are respectively following four kinds of situations: 100% brightness, 4500K colour temperature; 100% brightness, the 6500K colour temperature; 100% brightness, the 2800K colour temperature; 50% brightness, the 2650K colour temperature.More than circuit structure of the present invention is described, overall structure from product, the present invention also comprises lampshade 41, power supply lid, power supply 42, LED lamp pearl 43, screw chassis 44, expansion post 45, installing tache 46 and aluminium base 47 is installed, described power supply 42 is installed in the power supply lid, described LED lamp pearl 43 is arranged on the aluminium base 47, described power supply 42, LED lamp pearl 43 and aluminium base 47 are placed in the space of lampshade 41 and chassis 44 formations, and connect by expansion post 45, installing tache 46 and installation screw.
Generally, the mixing light modulation color matching principle of LED described in the utility model is: system exports two tunnel control signals, and one the tunnel is the Y_PWM control signal, controls dim colour temperature (2800K) LED, regulates its duty and recently regulates dim brightness; Another road is the W_PWM control signal, and control cool colour temperature (6500K) LED regulates its duty and recently regulates cold brightness; This two paths of LED is that solid matter is listed as each other at aluminium base, carries out the colour mixture mixed light.Make colour temperature to set between 2800~6500K, brightness is regulated between 0-100%.For example, the client wants to change the LED colour temperature, as long as press remote controller colour temperature adjusting key, is adjusted to the colour temperature effect of wanting and gets final product.After configuring colour temperature, press the brightness regulation key of remote controller, can keep carrying out brightness regulation under the situation of current colour temperature.
LED light fixture module 1 comprises Y_LED constant current DC-DC change-over circuit 11, W_LED constant current DC-DC change-over circuit 12, Y_LED warm colour light LED lamp pearl string 13 and W_LED cool colour light LED lamp pearl string 14, the feeder ear input of described Y_LED constant current DC-DC change-over circuit 11 connects described supply module 3, its output links to each other with described Y_LED warm colour light LED lamp pearl string 13, its control input end links to each other with described MCU control module 2, described W_LED constant current DC-DC change-over circuit 12 feeder ear inputs connect described supply module 3, its output links to each other with W_LED cool colour light LED lamp pearl string 14, and its control input end links to each other with described MCU control module 2.Supply module 3 comprises AC civil power input circuit 31, EMI filter circuit 32, insulating power supply switching circuit 33, DC output circuit 34, dc voltage control feedback circuit 35 and MCU auxiliary power supply circuit 36, described AC civil power input circuit 31 links to each other with EMI filter circuit 32, described EMI filter circuit 32 links to each other with insulating power supply switching circuit 33, the output of described insulating power supply switching circuit 33 is divided into two branch roads, article one, branch road links to each other with DC output circuit 34, another branch road links to each other with MCU auxiliary power supply circuit 36, the feedback output end of described DC output circuit 34 is connected to the feedback input end of insulating power supply switching circuit 33 by dc voltage control feedback circuit 35, the voltage output end of DC output circuit 34 links to each other with W_LED constant current DC-DC change-over circuit 12 with Y_LED constant current DC-DC change-over circuit 11, and described MCU auxiliary power supply circuit 36 links to each other with described MCU control module 2.Be connected with external switch signal deteching circuit 37 between the external switch signal input part of AC civil power input circuit 31 and described MCU control module 2.
Particularly, if the user controls to carry out the light modulation toning by switch, because MCU auxiliary power supply circuit 36 has the electrochemical capacitor of about 1000uF, and the less about 1~2mA of MCU control module 2 required electric current of work itself, after external commercial power is cut off, can utilize the discharge of electrochemical capacitor to make MCU control module 2 can work on 2-3 time second.Utilize this characteristic, MCU is, and civil power is monitored, and when mains switch powered within 1 second was had no progeny in the pass again, MCU then thought and this time be operating as legal light modulation toning instruction, surpasses powering on again after 1 second and does not then carry out any operation.When cold machine started, system entered 1 grade of pattern.When the user need enter other pattern, in 1 second, stamp mains switch again as long as press mains switch, namely enter next mode of operation, the rest may be inferred.When entering after 4 grades, to press again after the mains switch operation, mode of operation enters 1 grade by 4 grades, so circulation.Wherein, it is 4 grades that switch control light modulation is divided into, and is respectively:
1 grade: the dim light of Y_LED (2800K colour temperature) 100%, W_LED cold light (6500K colour temperature) 100%; Blend muted color (4500K colour temperature) 100% brightness effects; Pwm control signal: 100% output of Y_PWM pulse duty factor, 100% output of W_PWM pulse duty factor.
2 grades: the dim light of Y_LED (2800K colour temperature) 0%, W_LED cold light (6500K colour temperature) 100%; Blend cold light (6500K colour temperature) 100% brightness effects; Pwm control signal: 0% output of Y_PWM pulse duty factor, 100% output of W_PWM pulse duty factor.
3 grades: the dim light of Y_LED (2800K colour temperature) 100%, W_LED cold light (6500K colour temperature) 0%; Blend dim light (2800K colour temperature) 100% brightness effects; Pwm control signal: 100% output of Y_PWM pulse duty factor, 0% output of W_PWM pulse duty factor.
4 grades: the dim light of Y_LED (2800K colour temperature) 50%, W_LED cold light (6500K colour temperature) 50%; Blend neutral light (4650K colour temperature) 50% brightness effects; Pwm control signal: 50% output of Y_PWM pulse duty factor, 50% output of W_PWM pulse duty factor.
In addition, if the user controls to carry out the light modulation toning by remote control, can utilize an IO mouth of MCU control module 2 that outside infrared signal is detected, and decode, obtain correct guidance command sign indicating number.MCU control module 2 internal processes carry out Y_PWM according to command code, and the W_PWM Signal Regulation reaches corresponding effect control.Button on the remote controller have brightness+, brightness-, colour temperature+, colour temperature-, mini light night, ON/OFF is six press keys altogether.Brightness+, brightness-carry out brightness regulation is keeping under original ratio situation two path control signal, and the duty ratio of reduction or rising PWM reaches brightness regulation simultaneously.This system has 9 grades of brightness settings.Minimum bright when being adjusted to, press brightness-key again and then keep minimum brightness, when being adjusted to high-high brightness, again by brightness+then remain on high-high brightness.Colour temperature+, colour temperature-carry out colour temperature is regulated, and regulates Y_PWM, and the duty ratio of W_PWM has 9 grades, i.e. Y_PWM=100, W_PWM=0; Y_PWM=100, W_PWM=25; Y_PWM=100, W_PWM=50; Y_PWM=100, W_PWM=75; Y_PWM=100, W_PWM=100; Y_PWM=75, W_PWM=100; Y_PWM=50, W_PWM=100; Y_PWM=25, W_PWM=100; Y_PWM=0, W_PWM=100.The duty ratio of above two paths of signals is arranged so that LED two-way colour mixture effect regulates from dim colour temperature to the cool colour temperature, selects thereby make the user can obtain 9 colour temperatures.After the elected fixation temperature, also can carry out brightness regulation, lighten or dim, during adjusting, the color matching constant rate of two-way reaches light modulation but does not change the effect of colour temperature.
More than preferable enforcement of the present utility model is specified; certainly; the utility model can also adopt form different from the embodiment described above; these do not constitute any restriction to present embodiment; those of ordinary skill in the art should belong in the protection range of the present utility model the conversion of doing under the prerequisite of the utility model spirit that is equal to or corresponding the change.

Claims (6)

1. the LED lighting of a tunable optical adjustable color temperature comprises:
LED light fixture module (1) is used for sending illuminating ray;
MCU control module (2) is used for brightness and the colour temperature of described LED light fixture module (1) are regulated;
Supply module (3) is used for described LED light fixture module (1) and MCU control module (2) power supply;
It is characterized in that:
Described MCU control module (2) has the input of external switch signal and infrared remote-controlled signal input, and has the output of Y_PWM warm colour temperature control signal and the output of W_PWM cool colour temperature control signal, the user can carry out duty cycle adjustment to the output of Y_PWM warm colour temperature control signal and the output of W_PWM cool colour temperature control signal of described MCU control module (2) by external switch or remote control, and then realization is to the adjusting of (1) brightness of LED light fixture module and colour temperature, make the brightness of described LED light fixture module (1) change in the A scope, colour temperature changes in the B scope.
2. the LED lighting of a kind of tunable optical adjustable color temperature according to claim 1, it is characterized in that: under switch or remote control mode, the brightness excursion A of described LED light fixture module (1) is 0-100%; The colour temperature excursion B of described LED light fixture module (1) is 2800-6500K.
3. the LED lighting of a kind of tunable optical adjustable color temperature according to claim 2, it is characterized in that: under switching mode, the brightness of described LED light fixture module (1) and colour temperature are respectively following four kinds of situations: 100% brightness, 4500K colour temperature; 100% brightness, the 6500K colour temperature; 100% brightness, the 2800K colour temperature; 50% brightness, the 2650K colour temperature.
4. the LED lighting of a kind of tunable optical adjustable color temperature according to claim 1, it is characterized in that: described LED light fixture module (1) comprises Y_LED constant current DC-DC change-over circuit (11), W_LED constant current DC-DC change-over circuit (12), Y_LED warm colour light LED lamp pearl string (13) and W_LED cool colour light LED lamp pearl string (14), the feeder ear input of described Y_LED constant current DC-DC change-over circuit (11) connects described supply module (3), its output links to each other with described Y_LED warm colour light LED lamp pearl string (13), its control input end links to each other with described MCU control module (2), described W_LED constant current DC-DC change-over circuit (12) feeder ear input connects described supply module (3), its output links to each other with W_LED cool colour light LED lamp pearl string (14), and its control input end links to each other with described MCU control module (2).
5. the LED lighting of a kind of tunable optical adjustable color temperature according to claim 1, it is characterized in that: described supply module (3) comprises AC civil power input circuit (31), EMI filter circuit (32), insulating power supply switching circuit (33), DC output circuit (34), dc voltage control feedback circuit (35) and MCU auxiliary power supply circuit (36), described AC civil power input circuit (31) links to each other with EMI filter circuit (32), described EMI filter circuit (32) links to each other with insulating power supply switching circuit (33), the output of described insulating power supply switching circuit (33) is divided into two branch roads, article one, branch road links to each other with DC output circuit (34), another branch road links to each other with MCU auxiliary power supply circuit (36), the feedback output end of described DC output circuit (34) is controlled the feedback input end that feedback circuit (35) is connected to insulating power supply switching circuit (33) by dc voltage, the voltage output end of DC output circuit (34) links to each other with W_LED constant current DC-DC change-over circuit (12) with Y_LED constant current DC-DC change-over circuit (11), and described MCU auxiliary power supply circuit (36) links to each other with described MCU control module (2).
6. the LED lighting of a kind of tunable optical adjustable color temperature according to claim 5 is characterized in that: be connected with external switch signal deteching circuit (37) between the external switch signal input part of described AC civil power input circuit (31) and described MCU control module (2).
CN 201320057756 2013-02-01 2013-02-01 Brightness-adjustable and color-temperature-adjustable LED illumination lamp Expired - Fee Related CN203181289U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320057756 CN203181289U (en) 2013-02-01 2013-02-01 Brightness-adjustable and color-temperature-adjustable LED illumination lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320057756 CN203181289U (en) 2013-02-01 2013-02-01 Brightness-adjustable and color-temperature-adjustable LED illumination lamp

Publications (1)

Publication Number Publication Date
CN203181289U true CN203181289U (en) 2013-09-04

Family

ID=49077941

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320057756 Expired - Fee Related CN203181289U (en) 2013-02-01 2013-02-01 Brightness-adjustable and color-temperature-adjustable LED illumination lamp

Country Status (1)

Country Link
CN (1) CN203181289U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103152916A (en) * 2013-02-01 2013-06-12 中山市隆源光电有限公司 Light-emitting diode (LED) lighting lamp with adjustable light and adjustable color temperature and control method thereof
CN105025628A (en) * 2015-07-28 2015-11-04 江苏达伦电子股份有限公司 Multicolor LED lamp control system
WO2016095494A1 (en) * 2014-12-15 2016-06-23 深圳市启明和丰照明科技有限公司 Led silicon controlled rectifier intelligent power supply and led lamp having color temperature adjustment function
CN109640459A (en) * 2019-01-29 2019-04-16 无锡奥利杰科技有限公司 A kind of switch under the conditions of the Linear Driving based on LED illumination is mixed colours temperature control circuit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103152916A (en) * 2013-02-01 2013-06-12 中山市隆源光电有限公司 Light-emitting diode (LED) lighting lamp with adjustable light and adjustable color temperature and control method thereof
WO2016095494A1 (en) * 2014-12-15 2016-06-23 深圳市启明和丰照明科技有限公司 Led silicon controlled rectifier intelligent power supply and led lamp having color temperature adjustment function
CN105025628A (en) * 2015-07-28 2015-11-04 江苏达伦电子股份有限公司 Multicolor LED lamp control system
CN109640459A (en) * 2019-01-29 2019-04-16 无锡奥利杰科技有限公司 A kind of switch under the conditions of the Linear Driving based on LED illumination is mixed colours temperature control circuit

Similar Documents

Publication Publication Date Title
CN103152916A (en) Light-emitting diode (LED) lighting lamp with adjustable light and adjustable color temperature and control method thereof
CN203181289U (en) Brightness-adjustable and color-temperature-adjustable LED illumination lamp
CN201310774Y (en) LED illuminating system capable of adjusting color temperature
CN102231932A (en) LED lamp with intelligent control
CN104812146A (en) Light dimming and color regulating control method for wireless controllable multi-path LEDs (Light-Emitting Diodes) connected in parallel to current source
CN203814010U (en) Intelligent light brightness and color temperature modulation control system
CN107197562A (en) A kind of radio controllable LED lamp of variable color-temperature
CN205491333U (en) Classroom LED intelligence lighting system
CN203537617U (en) Intelligent illumination control management system
CN103139979A (en) Intelligent lighting control management system
CN202907282U (en) LED double dimming control system based on WIFI network
CN203151790U (en) One-chip microcomputer-based infrared remote control LED ceiling lamp with adjustable color temperature and brightness
CN205071389U (en) Adjustable intelligent lighting system of photochromic gentle luminance of infrared remote control double - circuit changes in temperature
CN203708552U (en) LED driver used for adjusting LED color
CN203072192U (en) LED fluorescent lamp with variable color temperature and control device
CN202799310U (en) Remote control dimming circuit for LED ceiling lamp
CN205179477U (en) Wireless passive intelligent bathroom lighting system based on enOcean
GB2584646A (en) Single live-wire bi-directional power fetching and dimmer control system
CN201733484U (en) LED (light-emitting diode) spotlight capable of realizing mechanical type light adjustment
CN201733482U (en) LED ceiling lamp capable of realizing mechanical dimming
CN201741001U (en) Energy-saving air-conditioning and lighting management equipment
CN204442745U (en) With LED controllable silicon intelligent power and the LED lamp of colour temperature regulatory function
CN202587548U (en) Light emitting diode (LED) infrared remote control type color-changeable and light-adjustable automotive indoor lighting lamp system
CN211378322U (en) Express delivery cabinet intelligence lamps and lanterns
CN203722873U (en) Light-regulating and color-temperature-regulating LED drive circuit

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CP01 Change in the name or title of a patent holder

Address after: 528400 Guangdong Xiaolan Town Zhongshan sand mouth Urban Industrial Village No. 39 East Jucheng road two building four floor

Patentee after: Guangdong Longyuan Photoelectric Co., Ltd.

Address before: 528400 Guangdong Xiaolan Town Zhongshan sand mouth Urban Industrial Village No. 39 East Jucheng road two building four floor

Patentee before: Zhongshan Longyuan Photoelectric Co.,Ltd.

C56 Change in the name or address of the patentee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130904

Termination date: 20210201

CF01 Termination of patent right due to non-payment of annual fee