CN102316648A - Light-emitting diode (LED) illuminating device - Google Patents
Light-emitting diode (LED) illuminating device Download PDFInfo
- Publication number
- CN102316648A CN102316648A CN201110273159A CN201110273159A CN102316648A CN 102316648 A CN102316648 A CN 102316648A CN 201110273159 A CN201110273159 A CN 201110273159A CN 201110273159 A CN201110273159 A CN 201110273159A CN 102316648 A CN102316648 A CN 102316648A
- Authority
- CN
- China
- Prior art keywords
- light source
- source module
- module
- led
- pulse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005286 illumination Methods 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims abstract description 10
- 239000004065 semiconductor Substances 0.000 claims description 13
- 230000004907 flux Effects 0.000 abstract description 2
- 238000009877 rendering Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000013459 approach Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a light-emitting diode (LED) illuminating device. The output light power of red, green and blue light source module groups is regulated in a traditional way of regulating the duty ratio of the driving current or voltage of the red, green and blue light source module groups, so the brightness and color regulation is realized. On the basis of the adoption of three-base-color light source module group by the traditional LED illuminating device, an amber light source module group or warm white light source module group is added, and the output light power is regulated through regulating the duty ratio of the driving current or voltage of the amber light source module group or warm white light source module group, so the illumination color temperature of the LED illuminating device is regulated. Therefore, the LED illuminating device realizes the simultaneous regulation of three illumination parameters of the brightness, the color and the color temperature, the scene illumination and the functional illumination can be met, and the LED illuminating device has the characteristics of high color rendering performance, high luminous flux and low cost.
Description
Technical field
The invention belongs to lighting technical field, more specifically, relate to a kind of LED lighting device.
Background technology
The LED lighting device owing to have long, advantages such as energy consumption is low, energy-conserving and environment-protective of life-span, just is being widely used in fields such as commerce, industry, road, advertising lamp box as a kind of new light sources of high benefit.
Along with the extensive use of LED lighting device, people are also increasingly high to the requirement of LED lighting device, formed adjusting, the multiple regulative mode of color adjustment from single brightness regulation to colour temperature.For ease of regulating, the color LED lighting device great majority of degree of lightening, toning temperature and toning adopt PWM (Pulse WidthModulation, pulse width modulation) mode.
Traditional colour temperature adjustable LED lighting device; Its colour temperature and adjustable brightness; Can not regulate color, be mainly used in functional illumination, generally adopt the driver of two passages to drive high colour temperature, low color temperature light sources module respectively; Regulate the duty ratio of output voltage or electric current, realize the adjusting of colour temperature and brightness.
Traditional color tunable LED lighting device; Its color and adjustable brightness; Can not regulate colour temperature, be mainly used in the illumination of lighting engineering and sight, it adopts the driver of three passages to drive redness, green and blue-light source module respectively; Regulate the duty ratio of output voltage or electric current, realize the adjusting of color and brightness.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of brightness, colour temperature and all adjustable LED lighting device of three lighting parameters of color are provided.
For realizing above-mentioned purpose, LED lighting device of the present invention comprises:
Red (Red), green (Green), blue (Blue) light source module;
One AC-DC power module is connected with the civil power AC network, is used for converting alternating current into direct current;
One LED driver module is connected with the direct current of AC-DC power module output, and the AC-DC power module provides DC power supply for the LED driver module, and the LED driver module is used for lighting of driving light source module and extinguishes.
One control module; The redness that its output duty cycle is adjustable, green, blue three groups of pulse-width signals are given the LED driver module; Regulate the LED driver module respectively and export to the drive current of redness, green, blue-light source module or the duty ratio of voltage, thus the color of adjusting LED lighting device;
It is characterized in that; Also comprise: amber (Amber) light source module or warm white (Warm White) light source module; Control module exports the amber of one group of EDM Generator of Adjustable Duty Ratio or the warm white pulse-width signal is given the LED driver module; Regulate the LED driver module and export to amber (Amber) light source module or warm white (Warm White) drive current of light source module or the duty ratio of voltage, thereby regulate the colour temperature of LED lighting device.
The present invention seeks to realize like this:
In the present invention, the mode of the drive current of, blue-light source module red, green through traditional adjusting or the duty ratio of voltage is regulated the Output optical power of redness, green, blue-light source module, thereby realizes the adjusting of brightness and color.Adopt at traditional LED lighting device on the basis of three primary light source module; The present invention increases by one group of amber light source module or warm white light source module; Duty through regulating its drive current or voltage is recently regulated its Output optical power, thereby regulates the colour temperature of LED lighting device.Like this, regulate when LED lighting device of the present invention has been realized brightness, color and three lighting parameters of colour temperature, both can satisfy the sight illumination, can satisfy functional illumination again, have high-color rendering, high light flux, characteristics cheaply.
Description of drawings
Fig. 1 is a kind of embodiment schematic diagram of LED lighting device of the present invention;
Fig. 2 is the another kind of embodiment schematic diagram of LED lighting device of the present invention;
Fig. 3 is pulse-width signal one sequential chart that time multiplexing signal output interface shown in Figure 1 is exported;
Fig. 4 is another sequential chart of pulse-width signal that time multiplexing signal output interface shown in Figure 1 is exported.
Embodiment
Describe below in conjunction with the accompanying drawing specific embodiments of the invention, so that those skilled in the art understands the present invention better.What need point out especially is that in the following description, when perhaps the detailed description of known function and design can desalinate main contents of the present invention, these were described in here and will be left in the basket.
If adopt traditional P WM (Pulse Width Modulation, pulse width modulation), can there be the problem of power peak stack in LED lighting device of the present invention.For avoiding the power overload; The power supply changeover device of LED lighting device, promptly the power of power module all is that gross power with whole light source modules is configured, but the actual maximum average power of LED lighting device has only about 1/4th of power module power; Can cause the power waste like this; Simultaneously, cause also that power volume is big, weight is heavier, the defective that cost is higher relatively.
In the present embodiment; Control module adopts the time division multiplexing control module; The redness of four groups of EDM Generator of Adjustable Duty Ratio of its output, green, blueness and cycle amber or the warm white pulse-width signal are identical; And have only one to be effective drive level at most at synchronization, drive corresponding light source module and light.Like this, LED lighting device of the present invention is through the time division multiplexing control module; Redness, green, blueness and amber or warm white pulse-width signal are cut apart in time, made them constantly, have only one to be effective drive level at most at any; LED driver module outputting drive voltage or electric current; It is luminous to drive corresponding light source module, the AC-DC power module is distributed to different light source modules in different time sections successively use, and lights corresponding light source module.Prevented the conductings simultaneously of four light source modules, the power overload that causes the power peak stack to bring, thereby in the present embodiment AC-DC power module power configuration just can be reduced to the employing prior art the AC-DC power module 1/4th.Reducing of AC-DC power module power means that its volume and weight all reduces, and saved the volume and the cost of LED lighting device.
Fig. 1 is a kind of embodiment schematic diagram of LED lighting device of the present invention.
In the present embodiment, as shown in Figure 1, LED lighting device of the present invention comprises: AC-DC power module 1, LED driver module 2, time division multiplexing control module 3, light source module 4.Adopt the time division multiplexing scheme, use constant current drive mode, drive the light source module of RGB+WW compound mode.
AC-DC power module 1 meets live wire end L, the zero line side N of utility grid, and as Alternating Current Power Supply, output is direct current, wherein V
DCBe the DC power supply anode, GND is the DC power supply negative terminal.DC power supply links to each other with time division multiplexing control module 3 with LED driver module 2, is they power supplies.
In the present embodiment, LED driver module 2 comprises a LED constant current driving unit 201 and four switching tube K1, K2, K3, K4.LED constant current driving unit 201 is a constant-current source with short-circuit protection.Four switching tube K1, K2, K3, K4 connect with red, green, blueness and warm white light source module D1, D2, D3, D4 respectively, are connected to the output of LED constant current driving unit 201; The control end of four switching tube K1, K2, K3, K4 meets redness, green, blueness and warm white pulse-width signal PWM1, PWM2, PWM3, PWM4 respectively; When switching tube is effective drive level at the pulse-width signal of correspondence, light corresponding light source module.In the present embodiment, high level is effective drive level.
In the present embodiment, four switching tube K1, K2, K3, K4 are the power-type switching device, can be N type metal-oxide-semiconductors, or NPN type BJT pipe.In the present embodiment; Adopt anode connected mode altogether; The positive output end LED+ of LED constant current driving unit 201 links to each other with the positive pole of four light source modules; The negative output terminal LED-of LED constant current driving unit 201 is connected with source electrode or the emitter of four switching tube K1, K2, K3, K4, and drain electrode or the collector electrode of four switching tube K1, K2, K3, K4 link to each other with the negative pole of four light source modules respectively again.The grid of switching tube or base stage link to each other with corresponding pulse-width signal as control end.When pulse-width signal was high level, the grid of switching tube or base signal were high level, the switching tube conducting; Corresponding light source module is lighted, and when pulse-width signal was low level at that time, the grid of switching tube or base signal were low level; Switching tube turn-offs, and corresponding light source module extinguishes.
Redness, green, blueness and warm white light source module D1, D2, D3, D4 form light source module 4.
In the present embodiment, communications interface unit 301, signal processing unit 302 and time multiplexing signal output unit 303 are arranged in the time division multiplexing control module.Time multiplexing signal output unit 303 has four digital signal interfaces; Export the control end that four groups of pulse-width signal PWM1, PWM2, PWM3, PWM4 give four switching tube K1, K2, K3, K4 respectively, i.e. the base stage of the grid of switching tube N type metal-oxide-semiconductor or NPN type BJT pipe.When a certain road light source module control signal is high level, be attached thereto the switching tube conducting that connects, it is luminous that switching tube drives corresponding light source module.
Through communication interface 301 directly is set the time that redness, green, blueness and warm white are lighted separately in one-period; Signal processing unit 302 is lighted the time according to these four; Control time multiplexing signal output unit 303 outputs four groups of cycles are identical and have only one to be pulse-width signal PWM1, PWM2, PWM3, the PWM4 of significant level at most at synchronization; Control conducting and the turn-off time of four switching tube K1, K2, K3, K4 respectively, in order to the redness, green of control light source module group unit 4, blue lighting and the fall time with warm white light source module D1, D2, D3, D4.Regulate lighting and the fall time of four light source modules, just can regulate the colour mixture ratio of four kinds of light source modules, just can realize brightness regulation, color adjustment, colour temperature adjusting.
Fig. 2 is the another kind of embodiment schematic diagram of LED lighting device of the present invention.
In the present embodiment, as shown in Figure 2, LED lighting device of the present invention comprises: AC-DC power module 1, LED driver module 2, time division multiplexing control module 3, light source module 4.Adopt the time division multiplexing scheme, use the constant voltage driving mode, drive the light source module of RGBA compound mode.
AC-DC power module 1 meets live wire end L, the zero line side N of utility grid, and as Alternating Current Power Supply, output is direct current, wherein V
DCBe the DC power supply anode, GND is the DC power supply negative terminal.DC power supply links to each other with light source module 4 with time division multiplexing control module 3, is they power supplies.
In the present embodiment, LED driver module 2 comprises four switching tube K1, K2, K3, K4.Four switching tube K1, K2, K3, K4 connect with red, green, blueness and amber light source module D1, D2, D3, D4 respectively; The control end of four switching tube K1, K2, K3, K4 connects redness, green, blueness and amber pulse-width signal respectively, when switching tube is effective drive level at the pulse-width signal of correspondence, lights corresponding light source module.In the present embodiment, high level is effective drive level.
In the present embodiment, four switching tube K1, K2, K3, K4 are the power-type switching device, can be N type metal-oxide-semiconductors, or NPN type BJT pipe.In the present embodiment, adopt anode connected mode altogether, AC-DC power module 1 positive output end V
DCLink to each other with the positive pole of each light source module; AC-DC power module 1 negative output terminal GND is connected with source electrode or the emitter of four switching tube K1, K2, K3, K4, and drain electrode or the collector electrode of four switching tube K1, K2, K3, K4 link to each other with the negative pole of four light source modules respectively again.The grid of switching tube or base stage link to each other with corresponding pulse-width signal as control end.When pulse-width signal was high level, the grid of switching tube or base signal were high level, the switching tube conducting; Corresponding light source module is lighted, and when pulse-width signal was low level at that time, the grid of switching tube or base signal were low level; Switching tube turn-offs, and corresponding light source module extinguishes.
Redness, green, blueness and amber light source module D1, D2, D3, D4 form light source module 4.
In the present embodiment, communications interface unit 301, signal processing unit 302 and time multiplexing signal output unit 303 are arranged in the time division multiplexing control module.Time multiplexing signal output unit 303 has four digital signal interfaces; Export the control end that four groups of pulse-width signal PWM1, PWM2, PWM3, PWM4 give four switching tube K1, K2, K3, K4 respectively, i.e. the base stage of the grid of switching tube N type metal-oxide-semiconductor or NPN type BJT pipe.When a certain road light source module control signal is high level, be attached thereto the switching tube conducting that connects, it is luminous that switching tube drives corresponding light source module.
Through communication interface 301 redness, green, blueness and amber time of in one-period, lighting separately are set directly; Signal processing unit 302 is lighted the time according to these four; Control time multiplexing signal output unit 303 outputs four groups of cycles are identical and have only one to be pulse-width signal PWM1, PWM2, PWM3, the PWM4 of significant level at most at synchronization; Control conducting and the turn-off time of four switching tube K1, K2, K3, K4 respectively, in order to the redness, green of control light source module group unit 4, blue lighting and the fall time with amber light source module D1, D2, D3, D4.Regulate lighting and the fall time of four light source modules, just can regulate the colour mixture ratio of four kinds of light source modules, just can realize brightness regulation, color adjustment, colour temperature adjusting.
Fig. 3 is pulse-width signal one sequential chart that time multiplexing signal output interface shown in Figure 1 is exported.
In one-period T, first time period t 1, pulse-width signal PWM1 is a high level, other three signals are low level; Second time period t 2, pulse-width signal PWM2 is a high level, other three signals are low level; The 3rd time period t 3, pulse-width signal PWM3 is a high level, other three signals are low level; The 4th time period t 4, pulse-width signal PWM4 is a high level, other three signals are low level.T1, t2, t3, four sections time sums of t4 are T, are fixed time periods.The time length of this clock cycle T, time period t 1, time period t 2, time period t 3, time period t 4 receives the control of signal processing unit 302.In any time period of one-period T; Have only one among signal PWM1, PWM2, PWM3, the PWM4 at most and be in high level; Other three signals are in low level, like this, and at any time; Have only a switching tube conducting at most, light source module group unit has only a light source module to light at most for 4 li.
Fig. 4 is another sequential chart of pulse-width signal that time multiplexing signal output interface shown in Figure 1 is exported.
In Fig. 4, added Dead Time t0.The adding of Dead Time t0 can be avoided because the time delay of switching tube conducting and shutoff causes the problem of a plurality of switching tubes conducting simultaneously effectively.In any time period of one-period T; Have only one among signal PWM1, PWM2, PWM3, the PWM4 at most and be in high level; Other three signals are in low level, like this, and at any time; Have only a switching tube conducting at most, thereby the light source module has only a light source module group unit to light for 4 li at most.
The time division multiplexing control mode has avoided a plurality of light source modules to light simultaneously, causes the problem of power stack.The allocating power of AC-DC power module is that 1/4th, four light source modules of traditional approach only need a LED driver element, and driver element quantity is also to be 1/4th of traditional approach, has practiced thrift the cost of power supply changeover device widely, has reduced volume.Simultaneously, adopt red, green, blue and amber or warm white light source module scheme, realized brightness regulation, color adjustment, colour temperature adjusting, both satisfied the sight illumination, satisfied functional illumination again.
Light source module control signal pwm signal of the present invention adopts positive logic; With high level is effective drive level; Drive red, green, blue and amber or warm white light source module is luminous; The present invention also can the employing negative logic, or the mixed logic mode of mixing, and realizes the control that the power output peak value is complementary.Likewise, also can adopt P type metal-oxide-semiconductor or positive-negative-positive BJT pipe as switching tube.
Although above the illustrative embodiment of the present invention is described; So that the technical staff in present technique field understands the present invention, but should be clear, the invention is not restricted to the scope of embodiment; To those skilled in the art; As long as various variations appended claim limit and the spirit and scope of the present invention confirmed in, these variations are conspicuous, all utilize innovation and creation that the present invention conceives all at the row of protection.
Claims (5)
1. LED lighting device comprises:
Red, green, blue-light source module;
One AC-DC power module is connected with the civil power AC network, is used for converting alternating current into direct current;
One LED driver module is connected with the direct current of AC-DC power module output, and the AC-DC power module provides DC power supply for the LED driver module, and the LED driver module is used for lighting of driving light source module and extinguishes;
One control module; The redness that its output duty cycle is adjustable, green, blue three groups of pulse-width signals are given the LED driver module; Regulate the LED driver module respectively and export to the drive current of redness, green, blue-light source module or the duty ratio of voltage, thus the lighting colour of regulating the LED lighting device;
It is characterized in that; Also comprise: amber light source module or warm white light source module; Control module exports the amber of one group of EDM Generator of Adjustable Duty Ratio or the warm white pulse-width signal is given the LED driver module; Regulate the LED driver module and export to amber light source module or the drive current of warm white light source module or the duty ratio of voltage, thereby regulate the illumination colour temperature of LED lighting device.
2. LED lighting device according to claim 1; It is characterized in that; Described control module adopts the time division multiplexing control module; The redness of four groups of EDM Generator of Adjustable Duty Ratio of its output, green, blueness and cycle amber or the warm white pulse-width signal are identical, and have only one to be effective drive level at most at synchronization, drive corresponding light source module and light.
3. LED lighting device according to claim 1; It is characterized in that; Described LED driver module comprises a LED constant current driving unit and four switching tubes; The LED constant current driving unit is a constant-current source with short-circuit protection, and four switching tubes are connected with red, green, blue and amber or warm white light source module respectively, are connected to the output of LED constant current driving unit; Four control end of switching tube connect redness, green, blueness and amber or warm white pulse-width signal respectively, and when switching tube was effective drive level at the pulse-width signal of correspondence, corresponding light source module was lighted.
4. LED lighting device according to claim 3; It is characterized in that; LED constant current driving unit, four switching tubes and redness, green, blueness and amber or warm white light source module adopt anode connected mode altogether; The positive output end of LED constant current driving unit links to each other with the positive pole of each light source module, and the negative output terminal of LED constant current driving unit is connected with an end of four switching tubes, and the other end of four switching tubes links to each other with the negative pole of each light source module respectively again.
5. LED lighting device according to claim 4 is characterized in that, described four switching tubes are N type metal-oxide-semiconductor or NPN type BJT pipe; The base stage of the grid of metal-oxide-semiconductor or BJT pipe links to each other with corresponding pulse-width signal as control end; The collector electrode of the drain electrode of metal-oxide-semiconductor or BJT pipe links to each other with the positive output end of LED constant current driving unit, and the emitter-base bandgap grading of the source electrode of metal-oxide-semiconductor or BJT pipe links to each other with the negative output terminal of LED constant current driving unit;
When pulse-width signal is high level; The base signal of the grid of metal-oxide-semiconductor or BJT pipe is a high level, metal-oxide-semiconductor or the conducting of BJT pipe, and corresponding light source module is lighted; When pulse-width signal is low level at that time; The base signal of the grid of metal-oxide-semiconductor or BJT pipe is a low level, and metal-oxide-semiconductor or BJT pipe turn-off, and corresponding light source module extinguishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110273159.7A CN102316648B (en) | 2011-09-15 | 2011-09-15 | Light-emitting diode (LED) illuminating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110273159.7A CN102316648B (en) | 2011-09-15 | 2011-09-15 | Light-emitting diode (LED) illuminating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102316648A true CN102316648A (en) | 2012-01-11 |
| CN102316648B CN102316648B (en) | 2014-08-13 |
Family
ID=45429352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110273159.7A Expired - Fee Related CN102316648B (en) | 2011-09-15 | 2011-09-15 | Light-emitting diode (LED) illuminating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102316648B (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102612231A (en) * | 2012-03-23 | 2012-07-25 | 四川新力光源有限公司 | LED (Light-Emitting Diode) illumination dimming device |
| CN102858056A (en) * | 2012-07-23 | 2013-01-02 | 宁波凯耀电器制造有限公司 | Brightness and color temperature controlling system for LED (light-emitting diode) lamp |
| CN103152933A (en) * | 2013-02-23 | 2013-06-12 | 杭州乐图光电科技有限公司 | LED (Light Emitting Diode) drive circuit capable of adjusting light and color temperature |
| CN103363431A (en) * | 2013-06-26 | 2013-10-23 | 重庆恒又源科技发展有限公司 | Full-color adjusting method of LED lamp and full-color LED lamp |
| CN103687155A (en) * | 2012-09-21 | 2014-03-26 | 浙江大华技术股份有限公司 | Image calibration device and image acquisition device |
| WO2015024529A1 (en) * | 2013-08-23 | 2015-02-26 | 四川新力光源股份有限公司 | Led ac drive circuit |
| CN104540284A (en) * | 2012-03-23 | 2015-04-22 | 四川新力光源股份有限公司 | LED illumination and dimming device |
| CN104812146A (en) * | 2015-05-15 | 2015-07-29 | 北京易方通达科技有限公司 | Light dimming and color regulating control method for wireless controllable multi-path LEDs (Light-Emitting Diodes) connected in parallel to current source |
| CN104902649A (en) * | 2015-06-18 | 2015-09-09 | 无锡启晖光电科技有限公司 | Stage lamp capable of wireless control |
| CN105592587A (en) * | 2015-12-12 | 2016-05-18 | 浙江凯耀照明股份有限公司 | LED lamp control method |
| CN105657932A (en) * | 2014-12-04 | 2016-06-08 | 凹凸电子（武汉）有限公司 | Light source drive circuit and brightness and color temperature controller |
| WO2016107436A1 (en) * | 2014-12-31 | 2016-07-07 | 四川新力光源股份有限公司 | Dimmable led light source |
| CN105846797A (en) * | 2016-03-21 | 2016-08-10 | 广州视源电子科技股份有限公司 | Method and device for generating PWM modulation signal |
| CN105917746A (en) * | 2014-03-28 | 2016-08-31 | Ccs株式会社 | Power supply device and led lighting device |
| CN105979625A (en) * | 2016-05-17 | 2016-09-28 | 英飞特电子（杭州）股份有限公司 | LED color temperature adjustment circuit |
| CN107041034A (en) * | 2017-04-25 | 2017-08-11 | 伍绍镇 | A kind of LED strip lamp |
| CN107924658A (en) * | 2015-08-20 | 2018-04-17 | 三菱电机株式会社 | LED display and driving device |
| CN108076561A (en) * | 2016-11-10 | 2018-05-25 | 达宙科技股份有限公司 | LED drive |
| CN110913950A (en) * | 2017-05-18 | 2020-03-24 | 加里·鲍尔森 | Lighting device and method of use |
| CN111565499A (en) * | 2019-02-14 | 2020-08-21 | 黑拉有限责任两合公司 | Method for reducing the maximum value of the current drawn by an LED field |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101179883A (en) * | 2006-11-06 | 2008-05-14 | 台湾类比科技股份有限公司 | Light modulation method of LED |
| JP2009283317A (en) * | 2008-05-22 | 2009-12-03 | Sharp Corp | Illuminating apparatus |
| CN101658071A (en) * | 2007-03-08 | 2010-02-24 | 罗姆股份有限公司 | Led illumination device and its drive method |
| CN101801142A (en) * | 2010-03-25 | 2010-08-11 | 东华大学 | Method for obtaining high color rendering and color temperature adjustable white light by combining warm white light LED with red light LED, green light LED, and blue light LED |
| US20110051408A1 (en) * | 2009-08-28 | 2011-03-03 | Chih-Hung Wei | LED Device With High Color-Rendering Index |
| CN202261957U (en) * | 2011-09-15 | 2012-05-30 | 四川新力光源有限公司 | Light-emitting diode (LED) lighting device |
-
2011
- 2011-09-15 CN CN201110273159.7A patent/CN102316648B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101179883A (en) * | 2006-11-06 | 2008-05-14 | 台湾类比科技股份有限公司 | Light modulation method of LED |
| CN101658071A (en) * | 2007-03-08 | 2010-02-24 | 罗姆股份有限公司 | Led illumination device and its drive method |
| JP2009283317A (en) * | 2008-05-22 | 2009-12-03 | Sharp Corp | Illuminating apparatus |
| US20110051408A1 (en) * | 2009-08-28 | 2011-03-03 | Chih-Hung Wei | LED Device With High Color-Rendering Index |
| CN101801142A (en) * | 2010-03-25 | 2010-08-11 | 东华大学 | Method for obtaining high color rendering and color temperature adjustable white light by combining warm white light LED with red light LED, green light LED, and blue light LED |
| CN202261957U (en) * | 2011-09-15 | 2012-05-30 | 四川新力光源有限公司 | Light-emitting diode (LED) lighting device |
Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102612231B (en) * | 2012-03-23 | 2015-01-28 | 四川新力光源股份有限公司 | LED (Light-Emitting Diode) illumination dimming device |
| CN102612231A (en) * | 2012-03-23 | 2012-07-25 | 四川新力光源有限公司 | LED (Light-Emitting Diode) illumination dimming device |
| CN104540284A (en) * | 2012-03-23 | 2015-04-22 | 四川新力光源股份有限公司 | LED illumination and dimming device |
| CN102858056A (en) * | 2012-07-23 | 2013-01-02 | 宁波凯耀电器制造有限公司 | Brightness and color temperature controlling system for LED (light-emitting diode) lamp |
| CN103687155A (en) * | 2012-09-21 | 2014-03-26 | 浙江大华技术股份有限公司 | Image calibration device and image acquisition device |
| CN103152933A (en) * | 2013-02-23 | 2013-06-12 | 杭州乐图光电科技有限公司 | LED (Light Emitting Diode) drive circuit capable of adjusting light and color temperature |
| CN103363431B (en) * | 2013-06-26 | 2014-07-16 | 重庆恒又源科技发展有限公司 | Full-color adjusting method of LED lamp and full-color LED lamp |
| CN103363431A (en) * | 2013-06-26 | 2013-10-23 | 重庆恒又源科技发展有限公司 | Full-color adjusting method of LED lamp and full-color LED lamp |
| WO2015024529A1 (en) * | 2013-08-23 | 2015-02-26 | 四川新力光源股份有限公司 | Led ac drive circuit |
| US9775206B2 (en) | 2013-08-23 | 2017-09-26 | Sichuan Sunfor Light Co., Ltd | LED AC drive circuit |
| CN105917746A (en) * | 2014-03-28 | 2016-08-31 | Ccs株式会社 | Power supply device and led lighting device |
| CN105917746B (en) * | 2014-03-28 | 2019-08-06 | Ccs株式会社 | Power supply device and LED light device |
| US9961733B2 (en) | 2014-03-28 | 2018-05-01 | Ccs Inc. | Power supply device and LED lighting apparatus |
| EP3125650A4 (en) * | 2014-03-28 | 2017-11-22 | CCS Inc. | Power supply device and led lighting device |
| CN105657932B (en) * | 2014-12-04 | 2018-05-15 | 凹凸电子（武汉）有限公司 | Light source driving circuit and brightness and color-temperature controller |
| CN105657932A (en) * | 2014-12-04 | 2016-06-08 | 凹凸电子（武汉）有限公司 | Light source drive circuit and brightness and color temperature controller |
| CN105805608A (en) * | 2014-12-31 | 2016-07-27 | 四川新力光源股份有限公司 | Dimmable LED light source |
| WO2016107436A1 (en) * | 2014-12-31 | 2016-07-07 | 四川新力光源股份有限公司 | Dimmable led light source |
| CN104812146A (en) * | 2015-05-15 | 2015-07-29 | 北京易方通达科技有限公司 | Light dimming and color regulating control method for wireless controllable multi-path LEDs (Light-Emitting Diodes) connected in parallel to current source |
| CN104902649A (en) * | 2015-06-18 | 2015-09-09 | 无锡启晖光电科技有限公司 | Stage lamp capable of wireless control |
| CN107924658A (en) * | 2015-08-20 | 2018-04-17 | 三菱电机株式会社 | LED display and driving device |
| CN107924658B (en) * | 2015-08-20 | 2020-09-25 | 三菱电机株式会社 | LED display device and driving device |
| CN105592587A (en) * | 2015-12-12 | 2016-05-18 | 浙江凯耀照明股份有限公司 | LED lamp control method |
| CN105846797B (en) * | 2016-03-21 | 2018-12-18 | 广州视源电子科技股份有限公司 | A kind of method and device generating PWM modulation signal |
| CN105846797A (en) * | 2016-03-21 | 2016-08-10 | 广州视源电子科技股份有限公司 | Method and device for generating PWM modulation signal |
| CN105979625A (en) * | 2016-05-17 | 2016-09-28 | 英飞特电子（杭州）股份有限公司 | LED color temperature adjustment circuit |
| CN105979625B (en) * | 2016-05-17 | 2018-03-06 | 英飞特电子（杭州）股份有限公司 | A kind of LED colour temperature adjusts circuis |
| CN108076561A (en) * | 2016-11-10 | 2018-05-25 | 达宙科技股份有限公司 | LED drive |
| CN107041034A (en) * | 2017-04-25 | 2017-08-11 | 伍绍镇 | A kind of LED strip lamp |
| CN110913950A (en) * | 2017-05-18 | 2020-03-24 | 加里·鲍尔森 | Lighting device and method of use |
| CN111565499A (en) * | 2019-02-14 | 2020-08-21 | 黑拉有限责任两合公司 | Method for reducing the maximum value of the current drawn by an LED field |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102316648B (en) | 2014-08-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102316648B (en) | Light-emitting diode (LED) illuminating device | |
| CN202261957U (en) | Light-emitting diode (LED) lighting device | |
| CN102421230B (en) | A kind of LED color adjustment driver | |
| CN202172516U (en) | Brightness and color temperature adjustable LED lamp | |
| CN101916548B (en) | Control circuit of light-emitting diode (LED) lamp tube of liquid crystal display | |
| CN102917486A (en) | LED lamp adjustable in luminance and color temperature | |
| CN103220842B (en) | Realize the LED light emission device of colour temperature change and realize the method for colour temperature change | |
| CN103929852A (en) | LED lamp with light and color capable of being adjusted | |
| CN203827566U (en) | Light-and-color-adjustable LED lamp | |
| CN102612231A (en) | LED (Light-Emitting Diode) illumination dimming device | |
| CN104883789A (en) | Constant-current control circuit for LED display device and display device | |
| CN101990347A (en) | Driving and dimming method suitable for alternating current LEDs | |
| CN204929313U (en) | Luminous controlling means of LED lamps and lanterns and system | |
| CN202998610U (en) | LED constant current power supply | |
| CN102316647A (en) | LED lamp color temperature adjusting driver | |
| CN202998609U (en) | Led constant current dimming power supply | |
| CN203057606U (en) | An LED light-emitting apparatus realizing color temperature changes | |
| CN201937905U (en) | Light emitting diode (LED) lamp dimmable power supply | |
| CN103096563A (en) | Dimming control system based on multiple paths of lighting light-emitting diodes (LEDs) | |
| CN203202760U (en) | LED light supplement lamp bar for plants | |
| CN202261959U (en) | Color temperature adjusting driver of light-emitting diode (LED) lamp | |
| CN204669658U (en) | LED light modulation toning circuit and be provided with the LED lamp of this circuit | |
| CN203151800U (en) | LED luminaire and bi-color LED dimming circuit | |
| CN201854468U (en) | Light-changing alternating current LED lamp | |
| CN101865411B (en) | Centralized driving LED colored lantern lighting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: The new 611731 Chengdu Road, Sichuan province high tech Zone No. 2 Applicant after: Sichuan Sunfor Light Co., Ltd. Address before: The new 611731 Chengdu Road, Sichuan province high tech Zone No. 2 Applicant before: Sichuan Sunfor Lighting Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: LED lighting device Effective date of registration: 20150529 Granted publication date: 20140813 Pledgee: Chengdu hi tech Zone Kun Kun micro loan Co., Ltd. Pledgor: Sichuan Sunfor Light Co., Ltd. Registration number: 2015510000022 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20150810 Granted publication date: 20140813 Pledgee: Chengdu hi tech Zone Kun Kun micro loan Co., Ltd. Pledgor: Sichuan Sunfor Light Co., Ltd. Registration number: 2015510000022 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20180915 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |