CN202708704U - Color-changing light-emitting diode (LED) lamp - Google Patents
Color-changing light-emitting diode (LED) lamp Download PDFInfo
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- CN202708704U CN202708704U CN2012203282415U CN201220328241U CN202708704U CN 202708704 U CN202708704 U CN 202708704U CN 2012203282415 U CN2012203282415 U CN 2012203282415U CN 201220328241 U CN201220328241 U CN 201220328241U CN 202708704 U CN202708704 U CN 202708704U
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- color
- changeable
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- colorful color
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses a color-changing LED lamp which comprises a cooling casing and an LED device arranged in the cooling casing. The LED device comprises a switch power supply, a color-changing control module, a selecting module and an LED module, wherein the switch power supply is connected with the mains supply through a switch and supplies power for the color-changing control module and the LED module; the color-changing control module controls color and brightness of the LED module; and the selecting module is connected with the input end of the switch power supply at one end and connected with the color-changing control module at the other end, and sends out a selection signal when the switch acts. The color-changing control module controls the LED module to change colors in a circulating mode when energized for the first time, and controls the LED module to maintain the current color or return to the circulating color changing when receiving the selection signal. The LED lamp is energy-saving, efficient, capable of achieving color changing control through the switch, simple in control method and low in cost.
Description
Technical field
The utility model relates to technical field of semiconductor illumination, but relates more specifically to a kind of automatic color-changing and the artificial specific LED light fixture that selects look.
Background technology
Development along with the semiconductor lighting technology, the LED lamp is popularized gradually, but in use also also has some shortcomings, can only be a kind of color of an arm such as coloured fluorescent lamp of present stage, can not realize variable color, not satisfy the dynamic need of the rich colors in the colorful world; Use simultaneously the power of fluorescent lamp large, efficient is low, and energy consumption is high, does not meet environmental requirement.For this reason, but the existing technical staff has researched and developed a kind of LED lamp of automatic color-changing, yet this class LED lamp can only be installed the program that sets in advance and carry out the luminous of regularity, only can make its variable color that in three colors of RGB, circulates, can not carry out the variable color control of combined colors, moreover, when needs are designed to spot with this class color-changed LED light, the control module that the existing technical staff often will control the spot variable color is arranged at outside the spot, so that changeable colour LED spot volume is large, increase the needed data wire of control; In addition, when this class LED lamp is installed, often need spot is linked to each other with outer Control Component, the switch module of spot, inconvenience is installed, wiring is complicated, old engineered very trouble.
Therefore, need badly and a kind ofly can carry out colorful color-changeable LED light fixture variable color control, energy-conservation, efficient, easy for installation.
The utility model content
The purpose of this utility model provides a kind of colorful color-changeable LED light fixture, and this colorful color-changeable LED light fixture is not only energy-conservation, efficient, easy for installation, and can carry out variable color control.
To achieve these goals, the technical solution of the utility model is: a kind of colorful color-changeable LED light fixture is provided, this colorful color-changeable LED light fixture comprises radiation shell and is located at the interior LED light-emitting device of described radiation shell, described LED light-emitting device comprises Switching Power Supply, the colorful color-changeable control module, select module and led module, the input of described Switching Power Supply connects civil power by a switch, the VCC output of described Switching Power Supply connects respectively described colorful color-changeable control module and led module, the described led module of another termination of described colorful color-changeable control module, the input of the described Switching Power Supply of one termination of described selection module, the described colorful color-changeable control module of another termination is also sent the selection signal when described switch motion, described colorful color-changeable control module is controlled described led module circulation variable color when switching on first, and controls described led module keep current color constant or again recover the circulation variable color when receiving described selection signal.
Compared with prior art, colorful color-changeable LED light fixture described in the utility model is not only energy-conservation, efficiently, and can carry out variable color control, when switch opens, described LED spot begins the variable color that circulates, when switch motion (for example moment on/off), described selection module is sent to comprise and is kept the constant selection signal of current color, described colorful color-changeable control module is controlled described led module and is kept current color constant, namely stop the variable color that circulates, until switch moves again, described selection module is sent and is comprised the selection signal that again recovers the circulation variable color, described colorful color-changeable control module is controlled described led module and is again recovered the variable color that circulates, and control method is simple and cost is low.On the other hand, described colorful color-changeable LED light fixture is located at the LED light-emitting device in the radiation shell, and is easy for installation.
Preferably, described colorful color-changeable control module comprises voltage regulation unit, PWM colorful color-changeable controller and driver, described voltage regulation unit input links to each other with the output of described Switching Power Supply, output links to each other with driver with described PWM colorful color-changeable controller and exports the 5V reference voltage, described PWM colorful color-changeable controller links to each other with described driver and exports corresponding instruction, and described driver is controlled described led module circulation variable color according to the instruction that described PWM colorful color-changeable controller sends.
Particularly, described driver comprises constant-flow driver, described constant-flow driver comprises PWM driver element and constant current signal detecting unit, described PWM driver element connects the 5V reference voltage, and an end links to each other with described PWM colorful color-changeable controller, the other end links to each other with described led module, the negative pole of the described led module of described constant current signal detecting unit one termination, to described PWM driver element, the power supply that described PWM driver element is controlled described led module according to the current information of feedback is stable with the electric current of feedback led module for the described PWM driver element of another termination.With respect to the RGB LED lamp band ubiquity brightness of present stage not, can not constant current drive and cause that the LED decay is very fast, interior heat is loose does not go out because the LED lamp is wrapped in by plastic cement in addition, exist plastic cement can be melted etc. potential safety hazard, this scheme adopts according to the constant-flow driver of PWM driver element being arranged as the driver of led module, adopt the electric current of crossing current detecting signal unit feedback led module, so that the stable luminescence of LED lamp, life-span is long, and heating is few.
More specifically, described constant current signal detecting unit comprises resistance R B1, and described resistance R B1 is serially connected between feedback signal output and the ground; Described constant-flow driver comprises the first bleeder circuit, the second bleeder circuit, comparator U1 and switching tube Q10, the source electrode of described switching tube connects the negative pole of described led module, drain electrode connects the feedback signal output, described the first bleeder circuit is serially connected between the pulse-width controlled end and ground of described PWM driver element, and output is connected on "+" pin of described comparator U1; Described the second bleeder circuit is serially connected between 5V reference voltage and the feedback signal output, and output is connected on "-" pin of described comparator U1, the gate pole of the described switching tube Q10 of output termination of described divider U1.
Preferably, described selection module comprises signal gathering unit and postpones electric capacity C1, described signal gathering unit links to each other with the output of described switch and gathers the actuating signal of described switch, the output of described signal gathering unit is connected to the 5V reference voltage by resistance R 57, and by resistance R 59 output selection signals, described delay electric capacity is serially connected between 5V reference voltage and the ground.This scheme described delay electric capacity C1 is so that switch motion, and signal was selected in the sustainable generation of signal gathering unit when especially switch cut out, so that the utility model can adopt common push switch or one pole toggle switch as described switch, cost is low.
Particularly, described signal gathering unit comprises the 3rd bleeder circuit, resistance R 55, resistance R 69, Zener diode Z2, triode Q7 and photoelectric coupling circuit U7, described the 3rd bleeder circuit is serially connected between described switch and the ground, and output connects the base stage of described triode Q7 by described resistance R 55; Described Zener diode Z2 is serially connected between the output and ground of described the 3rd bleeder circuit; The Lights section one end of described photoelectric coupling circuit U7 connects the VDD output of described switch, ground connection after the other end is connected with the colelctor electrode of resistance R 69, triode Q7, the Lights section one end of described photoelectric coupling circuit U7 is connected to the 5V reference voltage, selects signal, other end ground connection by resistance R 59 outputs by resistance R 57.This scheme is sent high level signal so that described signal gathering unit can be sent square-wave signal when normal operation when switch motion.
Preferably, described colorful color-changeable control module is seven color control modules, controls described led module and carries out seven color variable colors.Certainly, described colorful color-changeable control module can also be three color other control modules that wait.
Preferably, described colorful color-changeable control module is colour temperature variable color control module, controls the variable color that circulates in the predetermined color temperature area of described led module.This scheme is so that the color change of colorful color-changeable LED light fixture described in the utility model is abundanter.
Preferably, described led module is formed by predetermined combinations is arranged sequentially by some primitive colours LED chips.
Preferably, described colorful color-changeable LED light fixture is shot-light, Down lamp, wall lamp or Projecting Lamp.
By following description also by reference to the accompanying drawings, it is more clear that the utility model will become, and these accompanying drawings are used for explaining embodiment of the present utility model.
Description of drawings
Fig. 1 is the structured flowchart of LED light-emitting device described in the utility model.
Fig. 2 circuit theory diagrams that to be constant-flow driver described in the utility model be connected with LED in the led module.
Fig. 3 is the circuit theory diagrams of selection module described in the utility model.
Fig. 4 is the stereogram of shot-light described in the utility model.
Fig. 5 is the stereogram of Down lamp described in the utility model.
Fig. 6 is the stereogram of Projecting Lamp described in the utility model.
Fig. 7 is the stereogram of wall lamp described in the utility model.
The specific embodiment
Referring to figs. 1 to Fig. 7, the utility model discloses a kind of colorful color-changeable LED light fixture 40,50,60,70, it comprises radiation shell 42,52,62,72 and be located at described radiation shell 42, the LED light-emitting device 100 in 52,62,72.
With reference to figure 1, LED light-emitting device 100 described in the utility model links to each other with civil power (220AC) by switch 101, it comprises Switching Power Supply 11, colorful color-changeable control module 12, select module 13 and led module 14, the input of described Switching Power Supply 11 connects civil power by a switch 101, the VCC output of described Switching Power Supply 11 (rated voltage of output 40V) connects respectively described colorful color-changeable control module 12 and led module 14, thereby to described colorful color-changeable control module 12 and led module 14 power supplies, the described led module 14 of another termination of described colorful color-changeable control module 12, to control the luminous of led module 14, the input of the described Switching Power Supply 11 of one termination of described selection module 13, the described colorful color-changeable control module 12 of another termination is also sent the selection signal when described switch 101 action, described colorful color-changeable control module 12 is controlled described led module 14 circulation variable colors when switching on first, and controls described led module 14 keep current colors constant or again recover the circulation variable color when receiving described selection signal.
Wherein, described led module 14 sequentially forms colorful color-changeable control module 12 by some primitive colours LED chips by predetermined tandem compound, colorful color-changeable control module 12 can be other control modules such as three color control modules, seven color control modules, thus the variable color so that described led module 14 circulates in the colors such as three coloured silks, seven coloured silks.The preferably, described colorful color-changeable control module 12 also can be colour temperature variable color control module, controls the variable color that circulates in the predetermined color temperature area of described led module 14.
With reference to figure 1, described colorful color-changeable control module 12 comprises voltage regulation unit 21, PWM colorful color-changeable controller 22 and driver 23, described voltage regulation unit 21 inputs link to each other with the output of described Switching Power Supply 11, described voltage regulation unit 21 outputs link to each other with driver 23 with described PWM colorful color-changeable controller 22 and export the 5V reference voltage, described PWM colorful color-changeable controller 22 links to each other with described driver 23 and exports corresponding instruction, and described driver 23 is controlled described led module 14 circulation variable colors according to the instruction that described PWM colorful color-changeable controller 22 sends, keep current color constant or again recover the circulation variable color.Wherein, the described PWM colorful color-changeable controller 22 general single-chip microcomputer STC15F104 that adopt are as main devices.As described in Figure 1, three groups of fuction output end R of described driver 23 general employing PWM colorful color-changeable controllers 22, glow color and the brightness of G, B control led module 14.
Particularly, with reference to figure 2, described driver 23 comprises constant-flow driver 30, described constant-flow driver 30 comprises PWM driver element 31 and constant current signal detecting unit 32, described PWM driver element 31 connects the 5V reference voltage, and an end links to each other with described PWM colorful color-changeable controller 22, the other end links to each other with described led module 14, the negative pole of the described led module 14 of described constant current signal detecting unit 32 1 terminations, to described PWM driver element 31, the power supply that described PWM driver element 31 is controlled described led module 14 according to the current information of feedback is stable with the electric current of feedback led module 14 for the described PWM driver element 31 of another termination.
More specifically, with reference to figure 2, described constant current signal detecting unit 32 comprises resistance R B1, and described resistance R B1 is serially connected between feedback signal output terminals A and the ground; Described constant-flow driver 31 comprises the first bleeder circuit, the second bleeder circuit, comparator U1 and switching tube Q10, the source electrode of described switching tube Q10 connects the negative pole of described led module 14, drain electrode connects the feedback signal output terminals A, described the first bleeder circuit is serially connected between the pulse-width controlled end B and ground of described PWM driver element 22, and output is connected on "+" pin of described comparator U1; Described the second bleeder circuit is serially connected between 5V reference voltage and the feedback signal output terminals A, and output is connected on "-" pin of described comparator U1, the gate pole of the described switching tube Q10 of output termination of described divider U1.Wherein, described the second bleeder circuit comprises the resistance R 92 between "-" pin that is serially connected in described feedback signal output terminals A and comparator U1 and is serially connected in "-" pin of described comparator U1 and the resistance R 93 between the 5V reference voltage that described the first bleeder circuit comprises the resistance R 84 between "+" pin that is serially connected in pulse-width controlled end B and comparator U1 and is serially connected in "+" pin of comparator U1 and resistance R 88, the R89 between the ground.
The preferably, with reference to figure 3, described selection module 13 comprises signal gathering unit 131 and postpones electric capacity C1, described signal gathering unit 131 links to each other with the output of described switch 101 and gathers the actuating signal of described switch 101, the output of described signal gathering unit 131 is connected to the 5V reference voltage by resistance R 57, and by resistance R 59 output selection signals, described delay electric capacity C1 is serially connected between 5V reference voltage and the ground.Wherein, also can use other delay cells to replace postponing electric capacity C1.
Particularly, with reference to figure 3, described signal gathering unit 131 comprises the 3rd bleeder circuit, resistance R 55, resistance R 69, Zener diode Z2, triode Q7 and photoelectric coupling circuit U7, described the 3rd bleeder circuit is serially connected between the input and ground of described Switching Power Supply 11, and output connects the base stage of described triode Q7 by described resistance R 55; Described Zener diode Z2 is serially connected between the output and ground of described the 3rd bleeder circuit; The Lights section one end of described photoelectric coupling circuit U7 connects the VDD output of described Switching Power Supply 11 output 15V reference voltages, ground connection after the other end is connected with the colelctor electrode of resistance R 69, triode Q7, the Lights section one end of described photoelectric coupling circuit U7 is connected to the 5V reference voltage, selects signal, other end ground connection by resistance R 59 outputs by resistance R 57.This scheme is sent high level signal so that described signal gathering unit 131 can be sent square-wave signal when normal operation when switch 101 action.Wherein, described the 3rd bleeder circuit comprises input and resistance R 53, the R56 between the voltage division signal output that is serially connected in described Switching Power Supply 11 and is serially connected in resistance R 52 between above-mentioned voltage division signal output and the ground.
With reference to figure 4, described LED light fixture is shot-light 40, comprise support 41 and be articulated in radiation shell 42 on the described support 41, be connected in the diffuser 43 on the described radiation shell 42, and the reflecting plate 44, circuit board 45 and the described LED light-emitting device 100 that are installed on described radiation shell 42, described led module 15 is comprised of some led chips 151, and described led chip 151 is fixed on the described circuit board 45 with certain array.
With reference to figure 5, described LED light fixture is Down lamp 50, comprises base 51, the radiation shell 52 that links to each other with described base 51, is installed on reflector 53 in the described radiation shell 52, is connected in the diffuser 54 on the described radiation shell 52 and is installed on described LED light-emitting device 100 in the described reflector 53.
With reference to figure 6, described LED light fixture is Projecting Lamp 60, comprise pedestal 61, be articulated in radiation shell 62 on the described pedestal 61, be installed on reflector 63, circuit board 64 and described LED light-emitting device 100 in the described radiation shell 62, and be connected in diffuser 65 on the described radiation shell 62, has through hole in the middle of the described reflector 63, described circuit board 64 is installed in the described through hole, described led module 15 is comprised of some led chips 151, and described led chip 151 is fixed on the described circuit board 64 with certain array.
With reference to figure 7, described LED light fixture is wall lamp 70, comprise fixed mount 71, be fixed in radiation shell 72 on the described fixed mount 71, be connected in diffuser 75 on the described radiation shell 72, be installed on U-shaped reflecting plate 73 in the described radiation shell 72, be installed on strip circuit plate 74 and described LED light-emitting device 100 in the described U-shaped reflecting plate 73, described led module 15 is comprised of some led chips 151, and described led chip 151 is arranged in a row with a determining deviation and is fixed on the described strip circuit plate 74.
Certainly, colorful color-changeable LED light fixture described in the utility model also comprises other kinds, such as spot etc.
Abovely in conjunction with most preferred embodiment the utility model is described, but the utility model is not limited to the embodiment of above announcement, and should contains various modification, equivalent combinations of carrying out according to essence of the present utility model.
Claims (10)
1. colorful color-changeable LED light fixture, it is characterized in that: comprise radiation shell and be located at the interior LED light-emitting device of described radiation shell, described LED light-emitting device comprises Switching Power Supply, the colorful color-changeable control module, select module and led module, the input of described Switching Power Supply connects civil power by a switch, the VCC output of described Switching Power Supply connects respectively described colorful color-changeable control module and led module, the described led module of another termination of described colorful color-changeable control module, the input of the described Switching Power Supply of one termination of described selection module, the described colorful color-changeable control module of another termination is also sent the selection signal when described switch motion, described colorful color-changeable control module is controlled described led module circulation variable color when switching on first, and controls described led module keep current color constant or again recover the circulation variable color when receiving described selection signal.
2. colorful color-changeable LED light fixture as claimed in claim 1, it is characterized in that: described colorful color-changeable control module comprises voltage regulation unit, PWM colorful color-changeable controller and driver, described voltage regulation unit input links to each other with the output of described Switching Power Supply, output links to each other with driver with described PWM colorful color-changeable controller and exports the 5V reference voltage, described PWM colorful color-changeable controller one end links to each other with described selection module, the other end links to each other with described driver and according to described selection signal described driver is sent corresponding instruction, and the instruction that described driver sends according to described PWM colorful color-changeable controller is controlled described led module circulation and become, keep current color constant or again recover the circulation variable color.
3. colorful color-changeable LED light fixture as claimed in claim 2, it is characterized in that: described driver comprises constant-flow driver, described constant-flow driver comprises PWM driver element and constant current signal detecting unit, described PWM driver element connects the 5V reference voltage, and an end links to each other with described PWM colorful color-changeable controller, the other end links to each other with described led module, the negative pole of the described led module of described constant current signal detecting unit one termination, to described PWM driver element, the power supply that described PWM driver element is controlled described led module according to the current information of feedback is stable with the electric current of feedback led module for the described PWM driver element of another termination.
4. colorful color-changeable LED light fixture as claimed in claim 3, it is characterized in that: described constant current signal detecting unit comprises resistance R B1, described resistance R B1 is serially connected between feedback signal output and the ground; Described constant-flow driver comprises the first bleeder circuit, the second bleeder circuit, comparator U1 and switching tube Q10, the source electrode of described switching tube connects the negative pole of described led module, drain electrode connects the feedback signal output, described the first bleeder circuit is serially connected between the pulse-width controlled end and ground of described PWM driver element, and output is connected on "+" pin of described comparator U1; Described the second bleeder circuit is serially connected between 5V reference voltage and the feedback signal output, and output is connected on "-" pin of described comparator U1, the gate pole of the described switching tube Q10 of output termination of described divider U1.
5. colorful color-changeable LED light fixture as claimed in claim 1, it is characterized in that: described selection module comprises signal gathering unit and postpones electric capacity C1, described signal gathering unit links to each other with the output of described switch and gathers the actuating signal of described switch, the output of described signal gathering unit is connected to the 5V reference voltage by resistance R 57, and by resistance R 59 output selection signals, described delay electric capacity is serially connected between 5V reference voltage and the ground.
6. colorful color-changeable LED light fixture as claimed in claim 5, it is characterized in that: described signal gathering unit comprises the 3rd bleeder circuit, resistance R 55, resistance R 69, Zener diode Z2, triode Q7 and photoelectric coupling circuit U7, described the 3rd bleeder circuit is serially connected between described switch and the ground, and output connects the base stage of described triode Q7 by described resistance R 55; Described Zener diode Z2 is serially connected between the output and ground of described the 3rd bleeder circuit; The Lights section one end of described photoelectric coupling circuit U7 connects the VDD output of described Switching Power Supply, ground connection after the other end is connected with the colelctor electrode of resistance R 69, triode Q7, the Lights section one end of described photoelectric coupling circuit U7 is connected to the 5V reference voltage, selects signal, other end ground connection by resistance R 59 outputs by resistance R 57.
7. colorful color-changeable LED light fixture as claimed in claim 1, it is characterized in that: described colorful color-changeable control module is seven color control modules, controls described led module and carries out seven color variable colors.
8. colorful color-changeable LED light fixture as claimed in claim 1, it is characterized in that: described colorful color-changeable control module is colour temperature variable color control module, controls the variable color that circulates in the predetermined color temperature area of described led module.
9. colorful color-changeable LED light fixture as claimed in claim 1, it is characterized in that: described led module is formed by the predetermined combinations order by some primitive colours LED chips.
10. colorful color-changeable LED light fixture as claimed in claim 1, it is characterized in that: described LED light fixture is shot-light, Down lamp, wall lamp or Projecting Lamp.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203282415U CN202708704U (en) | 2012-07-06 | 2012-07-06 | Color-changing light-emitting diode (LED) lamp |
| HK13102766.3A HK1175063A2 (en) | 2012-07-06 | 2013-03-06 | Colorful color-changing led luminaire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203282415U CN202708704U (en) | 2012-07-06 | 2012-07-06 | Color-changing light-emitting diode (LED) lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202708704U true CN202708704U (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203282415U Expired - Fee Related CN202708704U (en) | 2012-07-06 | 2012-07-06 | Color-changing light-emitting diode (LED) lamp |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202708704U (en) |
| HK (1) | HK1175063A2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103313476A (en) * | 2013-06-09 | 2013-09-18 | 上海高禹信息科技有限公司 | Light-mixing LED lamp bulb and remote control device thereof |
| CN104266117A (en) * | 2014-10-16 | 2015-01-07 | 江西申安节能照明科技有限公司 | Multi-color mixture LED wall washer |
| CN108662533A (en) * | 2017-03-31 | 2018-10-16 | 上海巍立智能科技有限公司 | The light projector effect control method of Projecting Lamp, Projecting Lamp combination and Projecting Lamp |
-
2012
- 2012-07-06 CN CN2012203282415U patent/CN202708704U/en not_active Expired - Fee Related
-
2013
- 2013-03-06 HK HK13102766.3A patent/HK1175063A2/en not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103313476A (en) * | 2013-06-09 | 2013-09-18 | 上海高禹信息科技有限公司 | Light-mixing LED lamp bulb and remote control device thereof |
| CN104266117A (en) * | 2014-10-16 | 2015-01-07 | 江西申安节能照明科技有限公司 | Multi-color mixture LED wall washer |
| CN104266117B (en) * | 2014-10-16 | 2016-08-17 | 江西申安亚明光电科技有限公司 | A kind of many mixed color LEDs wall-washing lamp |
| CN108662533A (en) * | 2017-03-31 | 2018-10-16 | 上海巍立智能科技有限公司 | The light projector effect control method of Projecting Lamp, Projecting Lamp combination and Projecting Lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1175063A2 (en) | 2013-06-21 |
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