CN204442759U - Based on the LED lights of Internet of Things - Google Patents
Based on the LED lights of Internet of Things Download PDFInfo
- Publication number
- CN204442759U CN204442759U CN201520040258.4U CN201520040258U CN204442759U CN 204442759 U CN204442759 U CN 204442759U CN 201520040258 U CN201520040258 U CN 201520040258U CN 204442759 U CN204442759 U CN 204442759U
- Authority
- CN
- China
- Prior art keywords
- electric capacity
- resistance
- diode
- chip
- led
- 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
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a kind of LED lights based on Internet of Things, comprise LED lamp tube, LED drive circuit, 12V DC power supply circuit, CC2530 single-chip microcomputer and peripheral circuit thereof and the LED light adjusting circuit based on PWM, LED drive circuit driving LED fluorescent tube, the first input end of power supply is connected with the first end of the first resistance and the first end of the first electric capacity respectively, second end of the first resistance respectively with the second end of the first electric capacity, the positive pole of the first diode is connected with the negative pole of the second diode, second input of power supply is connected with the positive pole of the 3rd diode and the negative pole of the 4th diode respectively.The utility model is the LED lights based on Internet of Things, meets the demand to LED, and it possesses the advantage of this Di of Ti Ji little ﹑ Cheng ﹑ electric current relative constancy, has popularizing value.
Description
Technical field
The utility model relates to a kind of LED field, particularly relates to a kind of LED lights based on Internet of Things.
Background technology
LED, light-emitting diode is a kind of can be the solid-state semiconductor device of visible ray by electric energy conversion, and it directly can be converted into light electricity.The heart of LED is the wafer of a semiconductor, and one end of wafer is attached on a support, and one end is negative pole, and the other end connects the positive pole of power supply, makes whole wafer by epoxy encapsulation.Semiconductor wafer is made up of two parts, and a part is P type semiconductor, and inside it, occupy an leading position in hole, and the other end is N type semiconductor, at this side mainly electronics.But time these two kinds of semiconductors couple together, between them, just form a P-N junction.When electric current acts on this wafer by wire time, electronics will be pushed to P district, and in P district, electronics is with hole-recombination, then will send energy with the form of photon, the principle of LED luminescence that Here it is.And the wavelength of light i.e. the color of light, be determined by the material forming P-N junction.
The maximum advantage of LED is exactly energy-conserving and environment-protective.The luminous efficiency of light reaches more than 100 lumens/watt, and common incandescent lamp can only reach 40 lumens/watt, and electricity-saving lamp is also just hovered about 70 lumens/watt.So, same wattage, LED effect can than incandescent lamp and electricity-saving lamp much bright.1 watt of LED brightness is equivalent to the electricity-saving lamp of about 2 watts, and 5 watts of LED power consumption in 1000 hours 5 degree, the LED life-span can reach 50,000 hours, and LED is radiationless.
Along with socioeconomic development, more and more higher to the demand of LED.So the LED drived control studied in internet of things intelligent household, intelligent lighting system based on ZigBee seems extremely important.
Utility model content
The purpose of this utility model is just to provide a kind of LED lights based on Internet of Things to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
Based on a LED lights for Internet of Things, comprise LED lamp tube, LED drive circuit, 12V DC power supply circuit, CC2530 single-chip microcomputer and peripheral circuit thereof and the LED light adjusting circuit based on PWM, described LED drive circuit drives described LED lamp tube, and described LED drive circuit comprises the first resistance, second resistance, first diode, second diode, 3rd diode, 4th diode, first electric capacity, second electric capacity, 3rd electric capacity, transient voltage suppresses transistor and multiple light emitting diode combined, and the first input end of power supply is connected with the first end of described first resistance and the first end of described first electric capacity respectively, the second end of described first resistance respectively with the second end of described first electric capacity, the positive pole of described first diode is connected with the negative pole of described second diode, second input of power supply is connected with the positive pole of described 3rd diode and the negative pole of described 4th diode respectively, the negative pole of described first diode respectively with the negative pole of described 3rd diode, the first end of described second electric capacity, the first end of described 3rd electric capacity, described transient voltage suppresses the negative pole of transistor to be connected with the positive pole of described multiple light emitting diode combined, the positive pole of described second diode respectively with the positive pole of described 4th diode, second end of described second electric capacity, second end of described 3rd electric capacity, described transient voltage suppresses the positive pole of transistor to be connected with the first end of described second resistance, and the second end of described second resistance is connected with the negative pole of described multiple light emitting diode combined, and described multiple light emitting diode combined is the series connection of multiple light-emitting diode.
Further, described 12V DC power supply circuit comprises the 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, 4th electric capacity, 5th electric capacity, 6th electric capacity, 7th electric capacity, 8th electric capacity, 5th diode, 6th diode, 7th diode, 8th diode, first inductance, second inductance, 3rd inductance and LNK306 chip, first signal input part is connected with the first end of described 3rd resistance, second end of described 3rd resistance is connected with the positive pole of described 5th diode, the negative pole of described 5th diode is connected with the first end of described second inductance and the first end of described 4th electric capacity respectively, second end of described second inductance is connected with the first end of described 5th electric capacity and the 5th leads ends of described LNK306 chip respectively, the 6th leads ends of described LNK306 chip respectively with the 7th leads ends of described LNK306 chip, first leads ends of described LNK306 chip, second leads ends of described LNK306 chip, the first end of described 6th electric capacity, the first end of described 5th resistance, the negative pole of described 7th diode, the first end of described 7th electric capacity is connected with the first end of described first inductance, 3rd leads ends of described LNK306 chip is connected with the second end of described 6th electric capacity, 4th leads ends of described LNK306 chip is connected with the second end of described 5th resistance and the first end of described 4th resistance respectively, second end of described 4th resistance is connected with the second end of described 7th electric capacity and the negative pole of described 8th diode respectively, the positive pole of described 8th diode respectively with the second end of described first inductance, the first end of described 8th electric capacity, the first end of described 6th resistance is connected with the first end of described 7th resistance, described second end of the 6th resistance and first output of this circuit, the second end of described 7th resistance respectively with the first end of described 3rd inductance, second end of described 8th electric capacity, the positive pole of described 7th diode, second end of described 5th electric capacity, second end of described 4th electric capacity is connected rear ground connection with the positive pole of described 6th diode, the second end ground connection of described 3rd inductance, the negative pole of described 6th diode is second output of this circuit.
Further, described CC2530 single-chip microcomputer and peripheral circuit thereof comprise CC2530 microcontroller power supply circuit and CC2530 single chip circuit, described CC2530 microcontroller power supply circuit comprises the 9th electric capacity, tenth electric capacity, 11 electric capacity, 12 electric capacity, 13 electric capacity and CC2530 single-chip microcomputer, power output end respectively with the first end of described 13 electric capacity, the first end of described 11 electric capacity is connected with the second leads ends of described CC2530 single-chip microcomputer, second end ground connection of described 13 electric capacity, second end of described 11 electric capacity connects, first leads ends ground connection of described CC2530 single-chip microcomputer, 3rd leads ends of described CC2530 single-chip microcomputer respectively with the first end of described 9th electric capacity, power input is connect again after the first end of described tenth electric capacity is connected with the first end of described 12 electric capacity, second end ground connection of described 9th electric capacity, second end ground connection of described tenth electric capacity, second end ground connection of described 12 electric capacity.
Further, the described LED light adjusting circuit based on PWM comprises triode, metal-oxide-semiconductor, 8th resistance, 9th resistance, tenth resistance, 11 resistance and light-emitting diode, signal output part is connected with the first end of described 8th resistance, second end of described 8th resistance is connected with the described first end of the tenth resistance and the base stage of described triode respectively, second end of described tenth resistance is connected rear ground connection with the emitter of described triode, the collector electrode of described triode is connected with the described first end of the 9th resistance and the grid of described metal-oxide-semiconductor respectively, the source electrode of described triode is connected with the positive pole of described light-emitting diode, the negative pole of described light-emitting diode is connected with the first end of described 11 resistance, second end ground connection of described 11 resistance, power end is connect again after the drain electrode of described metal-oxide-semiconductor is connected with the second end of described 9th resistance.
The beneficial effects of the utility model are:
The utility model is the LED lights based on Internet of Things, meets the demand to LED, and it possesses the advantage of this Di of Ti Ji little ﹑ Cheng ﹑ electric current relative constancy, has the value promoted and use.
Accompanying drawing explanation
Fig. 1 is the LED light adjusting circuit figure based on PWM;
Fig. 2 is CC2530 microcontroller power supply circuit diagram;
Fig. 3 is LED drive circuit figure;
Fig. 4 is 12V DC power supply circuit figure;
Fig. 5 is CC2530 single chip circuit figure;
Fig. 6 is PWM drive circuit structure chart.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 3, a kind of LED lights based on Internet of Things of the utility model, comprises LED lamp tube, LED drive circuit, 12V DC power supply circuit, CC2530 single-chip microcomputer and peripheral circuit thereof and the LED light adjusting circuit based on PWM, described LED drive circuit drives described LED lamp tube, and LED drive circuit comprises the first resistance, second resistance, first diode, second diode, 3rd diode, 4th diode, first electric capacity, second electric capacity, 3rd electric capacity, transient voltage suppresses transistor and multiple light emitting diode combined, and the first input end of power supply is connected with the first end of the first resistance and the first end of the first electric capacity respectively, the second end of the first resistance respectively with the second end of the first electric capacity, the positive pole of the first diode is connected with the negative pole of the second diode, and the second input of power supply is connected with the positive pole of the 3rd diode and the negative pole of the 4th diode respectively, the negative pole of the first diode respectively with the negative pole of the 3rd diode, the first end of the second electric capacity, the first end of the 3rd electric capacity, transient voltage suppresses the negative pole of transistor to be connected with the positive pole of multiple light emitting diode combined, the positive pole of the second diode respectively with the positive pole of the 4th diode, second end of the second electric capacity, second end of the 3rd electric capacity, transient voltage suppresses the positive pole of transistor to be connected with the first end of the second resistance, and the second end of the second resistance is connected with the negative pole of multiple light emitting diode combined, and multiple light emitting diode combined is the series connection of multiple light-emitting diode.
First resistance R1 is bleeder resistance, it act as: when sine wave was cut off in the peak-peak moment, residual charge on first electric capacity C1 cannot discharge, president stored for a long time, if human contact is to the metallic member of the first electric capacity C1 when keeping in repair, there is strong electric shock possibility, and the existence of the first resistance R1, remaining charge discharging resisting can be fallen, thus Bao Zheng Ren ﹑ machine safety.The resistance of bleeder resistance is relevant with the size of electric capacity, and the capacity of general electric capacity is larger, and remaining electric charge is more, and bleeder resistance will select less with regard to resistance.
As shown in Figure 4,12V DC power supply circuit comprises the 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, 4th electric capacity, 5th electric capacity, 6th electric capacity, 7th electric capacity, 8th electric capacity, 5th diode, 6th diode, 7th diode, 8th diode, first inductance, second inductance, 3rd inductance and LNK306 chip, first signal input part is connected with the first end of the 3rd resistance, second end of the 3rd resistance is connected with the positive pole of the 5th diode, the negative pole of the 5th diode is connected with the first end of the second inductance and the first end of the 4th electric capacity respectively, second end of the second inductance is connected with the first end of the 5th electric capacity and the 5th leads ends of LNK306 chip respectively, the 6th leads ends of LNK306 chip respectively with the 7th leads ends of LNK306 chip, first leads ends of LNK306 chip, second leads ends of LNK306 chip, the first end of the 6th electric capacity, the first end of the 5th resistance, the negative pole of the 7th diode, the first end of the 7th electric capacity is connected with the first end of the first inductance, 3rd leads ends of LNK306 chip is connected with the second end of the 6th electric capacity, 4th leads ends of LNK306 chip is connected with the second end of the 5th resistance and the first end of the 4th resistance respectively, second end of the 4th resistance is connected with the second end of the 7th electric capacity and the negative pole of the 8th diode respectively, the positive pole of the 8th diode respectively with the second end of the first inductance, the first end of the 8th electric capacity, the first end of the 6th resistance is connected with the first end of the 7th resistance, the second end of the 6th resistance and first output of this circuit, the second end of the 7th resistance respectively with the first end of the 3rd inductance, second end of the 8th electric capacity, the positive pole of the 7th diode, second end of the 5th electric capacity, second end of the 4th electric capacity is connected rear ground connection with the positive pole of the 6th diode, the second end ground connection of the 3rd inductance, the negative pole of the 6th diode is second output of this circuit.
LNK306 chip is have employed in the utility model.LNK306 chip is integrated with the power MOSFET of a 700V, the current limit of oscillator, simply ON/OFF control circuit, high-voltage switch gear current source, frequency modulation(FM), Cycle by Cycle and thermal-shutdown circuit on a slice IC.
As shown in Figure 2, CC2530 single-chip microcomputer and peripheral circuit thereof comprise CC2530 microcontroller power supply circuit and CC2530 single chip circuit, CC2530 microcontroller power supply circuit comprises the 9th electric capacity, tenth electric capacity, 11 electric capacity, 12 electric capacity, 13 electric capacity and CC2530 single-chip microcomputer, power output end respectively with the first end of the 13 electric capacity, the first end of the 11 electric capacity is connected with the second leads ends of CC2530 single-chip microcomputer, second end ground connection of the 13 electric capacity, second end of the 11 electric capacity connects, first leads ends ground connection of CC2530 single-chip microcomputer, 3rd leads ends of CC2530 single-chip microcomputer respectively with the first end of the 9th electric capacity, power input is connect again after the first end of the tenth electric capacity is connected with the first end of the 12 electric capacity, second end ground connection of the 9th electric capacity, second end ground connection of the tenth electric capacity, second end ground connection of the 12 electric capacity.
As shown in Figure 1, LED light adjusting circuit based on PWM comprises triode, metal-oxide-semiconductor, 8th resistance, 9th resistance, tenth resistance, 11 resistance and light-emitting diode, signal output part is connected with the first end of the 8th resistance, second end of the 8th resistance is connected with the first end of the tenth resistance and the base stage of triode respectively, second end of the tenth resistance is connected rear ground connection with the emitter of triode, the collector electrode of triode is connected with the first end of the 9th resistance and the grid of metal-oxide-semiconductor respectively, the source electrode of triode is connected with the positive pole of light-emitting diode, the negative pole of light-emitting diode is connected with the first end of the 11 resistance, second end ground connection of the 11 resistance, power end is connect again after the drain electrode of metal-oxide-semiconductor is connected with the second end of the 9th resistance.
As shown in Figure 5, RF-P and the RF-N pin of chip is antenna access pin, and M1 is antenna incoming end; In order to save the bulk of module and control board, adopt PCB antenna design here.P10 ~ the P17 of chip drives pin as the negative electrode of 2 bit nixie tube modules; P00 ~ the P01 of chip is as the anode drive pin of 2 bit nixie tube modules; The P02 of chip is as the driving pin of 4 LED indicator lights; The P06 of chip inputs as button AD; The P03 of chip controls pin, P04 as Control pin as buzzer.
As shown in Figure 6, be PWM drive circuit structure.The feature of pwm circuit is that frequency is high, efficiency is high, power density is high, reliability is high but is operated in high frequency on off operating mode due to switching device, a high speed instantaneous course inherently electromagnetic disturbance source of high frequency, the EMI signal that it produces has very wide frequency range, has again certain amplitude.
The technical solution of the utility model is not limited to the restriction of above-mentioned specific embodiment, and every technology distortion made according to the technical solution of the utility model, all falls within protection range of the present utility model.
Claims (4)
1., based on a LED lights for Internet of Things, it is characterized in that: comprise LED lamp tube, LED drive circuit, 12V DC power supply circuit, CC2530 single-chip microcomputer and peripheral circuit thereof and the LED light adjusting circuit based on PWM, described LED drive circuit drives described LED lamp tube, and described LED drive circuit comprises the first resistance, second resistance, first diode, second diode, 3rd diode, 4th diode, first electric capacity, second electric capacity, 3rd electric capacity, transient voltage suppresses transistor and multiple light emitting diode combined, and the first input end of power supply is connected with the first end of described first resistance and the first end of described first electric capacity respectively, the second end of described first resistance respectively with the second end of described first electric capacity, the positive pole of described first diode is connected with the negative pole of described second diode, second input of power supply is connected with the positive pole of described 3rd diode and the negative pole of described 4th diode respectively, the negative pole of described first diode respectively with the negative pole of described 3rd diode, the first end of described second electric capacity, the first end of described 3rd electric capacity, described transient voltage suppresses the negative pole of transistor to be connected with the positive pole of described multiple light emitting diode combined, the positive pole of described second diode respectively with the positive pole of described 4th diode, second end of described second electric capacity, second end of described 3rd electric capacity, described transient voltage suppresses the positive pole of transistor to be connected with the first end of described second resistance, and the second end of described second resistance is connected with the negative pole of described multiple light emitting diode combined, and described multiple light emitting diode combined is the series connection of multiple light-emitting diode.
2. the LED lights based on Internet of Things according to claim 1, is characterized in that: described 12V DC power supply circuit comprises the 3rd resistance, 4th resistance, 5th resistance, 6th resistance, 7th resistance, 4th electric capacity, 5th electric capacity, 6th electric capacity, 7th electric capacity, 8th electric capacity, 5th diode, 6th diode, 7th diode, 8th diode, first inductance, second inductance, 3rd inductance and LNK306 chip, first signal input part is connected with the first end of described 3rd resistance, second end of described 3rd resistance is connected with the positive pole of described 5th diode, the negative pole of described 5th diode is connected with the first end of described second inductance and the first end of described 4th electric capacity respectively, second end of described second inductance is connected with the first end of described 5th electric capacity and the 5th leads ends of described LNK306 chip respectively, the 6th leads ends of described LNK306 chip respectively with the 7th leads ends of described LNK306 chip, first leads ends of described LNK306 chip, second leads ends of described LNK306 chip, the first end of described 6th electric capacity, the first end of described 5th resistance, the negative pole of described 7th diode, the first end of described 7th electric capacity is connected with the first end of described first inductance, 3rd leads ends of described LNK306 chip is connected with the second end of described 6th electric capacity, 4th leads ends of described LNK306 chip is connected with the second end of described 5th resistance and the first end of described 4th resistance respectively, second end of described 4th resistance is connected with the second end of described 7th electric capacity and the negative pole of described 8th diode respectively, the positive pole of described 8th diode respectively with the second end of described first inductance, the first end of described 8th electric capacity, the first end of described 6th resistance is connected with the first end of described 7th resistance, described second end of the 6th resistance and first output of this circuit, the second end of described 7th resistance respectively with the first end of described 3rd inductance, second end of described 8th electric capacity, the positive pole of described 7th diode, second end of described 5th electric capacity, second end of described 4th electric capacity is connected rear ground connection with the positive pole of described 6th diode, the second end ground connection of described 3rd inductance, the negative pole of described 6th diode is second output of this circuit.
3. the LED lights based on Internet of Things according to claim 1, it is characterized in that: described CC2530 single-chip microcomputer and peripheral circuit thereof comprise CC2530 microcontroller power supply circuit and CC2530 single chip circuit, described CC2530 microcontroller power supply circuit comprises the 9th electric capacity, tenth electric capacity, 11 electric capacity, 12 electric capacity, 13 electric capacity and CC2530 single-chip microcomputer, power output end respectively with the first end of described 13 electric capacity, the first end of described 11 electric capacity is connected with the second leads ends of described CC2530 single-chip microcomputer, second end ground connection of described 13 electric capacity, second end of described 11 electric capacity connects, first leads ends ground connection of described CC2530 single-chip microcomputer, 3rd leads ends of described CC2530 single-chip microcomputer respectively with the first end of described 9th electric capacity, power input is connect again after the first end of described tenth electric capacity is connected with the first end of described 12 electric capacity, second end ground connection of described 9th electric capacity, second end ground connection of described tenth electric capacity, second end ground connection of described 12 electric capacity.
4. the LED lights based on Internet of Things according to claim 1, it is characterized in that: the described LED light adjusting circuit based on PWM comprises triode, metal-oxide-semiconductor, 8th resistance, 9th resistance, tenth resistance, 11 resistance and light-emitting diode, signal output part is connected with the first end of described 8th resistance, second end of described 8th resistance is connected with the described first end of the tenth resistance and the base stage of described triode respectively, second end of described tenth resistance is connected rear ground connection with the emitter of described triode, the collector electrode of described triode is connected with the described first end of the 9th resistance and the grid of described metal-oxide-semiconductor respectively, the source electrode of described triode is connected with the positive pole of described light-emitting diode, the negative pole of described light-emitting diode is connected with the first end of described 11 resistance, second end ground connection of described 11 resistance, power end is connect again after the drain electrode of described metal-oxide-semiconductor is connected with the second end of described 9th resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520040258.4U CN204442759U (en) | 2015-01-21 | 2015-01-21 | Based on the LED lights of Internet of Things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520040258.4U CN204442759U (en) | 2015-01-21 | 2015-01-21 | Based on the LED lights of Internet of Things |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204442759U true CN204442759U (en) | 2015-07-01 |
Family
ID=53610568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520040258.4U Active CN204442759U (en) | 2015-01-21 | 2015-01-21 | Based on the LED lights of Internet of Things |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204442759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230424A (en) * | 2016-08-29 | 2016-12-14 | 广州市开拓网络技术有限公司 | A kind of touch intelligent switch with wireless WiFi function |
-
2015
- 2015-01-21 CN CN201520040258.4U patent/CN204442759U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230424A (en) * | 2016-08-29 | 2016-12-14 | 广州市开拓网络技术有限公司 | A kind of touch intelligent switch with wireless WiFi function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103188845B (en) | The LED light emission device of alternating current Direct driver | |
| CN205320350U (en) | LED (Light emitting diode) driving power | |
| CN201386941Y (en) | Mining anti-explosion LED fluorescent light | |
| CN204442759U (en) | Based on the LED lights of Internet of Things | |
| CN203896538U (en) | LED driving power source employing single switch tube and two Buck-Boost circuits in cascade connection | |
| CN101873746B (en) | Constant current source driving circuit for medium and high power LED lamps | |
| CN202713751U (en) | LED energy saving lamp integrated module | |
| CN205017631U (en) | Intelligence street lamp control system based on zigBee technique | |
| CN203734880U (en) | High voltage integration AC LED multistage linear drive device | |
| CN202035201U (en) | LED (light-emitting diode) energy-saving lamp integration module | |
| CN202435648U (en) | Electrodeless dimming switch based on LED illumination | |
| CN204465952U (en) | A kind of LED energy-saving circuit based on MSP430 | |
| CN203632931U (en) | Protection circuit for driving LED light source COB series combination with switching power supply | |
| CN207321603U (en) | A kind of double lamp control circuits of list I/O | |
| CN202475869U (en) | Solar daytime lighting device | |
| CN201523472U (en) | SOC lighting management chip of LED lamp | |
| CN204559937U (en) | A kind of LED step-down drive circuit | |
| CN216291523U (en) | LED variable frequency driving power supply | |
| CN210986515U (en) | Alternating current L ED light source with low-frequency flash | |
| CN213126544U (en) | Control circuit of direct-current two-wire two-path timing eight-function LED Christmas lamp string | |
| CN210986524U (en) | Linear L ED lamp circuit with dimming function | |
| CN207230216U (en) | A kind of environment-friendly and energy-efficient LED light | |
| CN202617439U (en) | LED constant current driving circuit | |
| CN204069403U (en) | A kind of efficient ac LED | |
| CN202696967U (en) | Light-emitting diode (LED) constant-current drive circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151216 Address after: 518000, Guangdong, Shenzhen, Baoan District Fuyong street, Qiaotou community, 1 Industrial City, 6 floor Patentee after: BAOJIA BATTERY TECHNOLOGY CO., LTD. Address before: 518000 Guangdong province Shenzhen city Longhua District Cameron road Guanghao International Center 13H Patentee before: Li Fei |