CN103529635B - A kind of digital color enlargement machine engine sheet folder LED planar light source - Google Patents
A kind of digital color enlargement machine engine sheet folder LED planar light source Download PDFInfo
- Publication number
- CN103529635B CN103529635B CN201310483702.5A CN201310483702A CN103529635B CN 103529635 B CN103529635 B CN 103529635B CN 201310483702 A CN201310483702 A CN 201310483702A CN 103529635 B CN103529635 B CN 103529635B
- Authority
- CN
- China
- Prior art keywords
- led
- chip
- red
- green
- negative pole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The invention discloses a kind of digital color enlargement machine engine sheet folder LED planar light source, it is simple in structure, induction sensitivity is high, handling are simple, job stability is stronger. The present invention includes the high heat conduction base plate for packaging of LED and LED chip, LED chip is divided into LED red chip, LED blue chip and LED Green Chip, LED chip classification is carried out serial or parallel connection by chip connection line and is arranged, form a closed electronic device loop, LED chip connects an external connection positive pole jointly. Luminous uniform and stable, fast response time, the life-span of light source of the present invention are long; Be applied to the equipment that digital photo printer machine, photo enlarger etc. use three primary light source.
Description
Technical field
The invention belongs to LED light source technical applications, be specifically related to a kind of digital color enlargement machine engine sheet folder LED planar light source, utilize digital color to develop and print equipment operation principle and exposure, use the mixing of the three primary colors red, green, blue equivalent of LED can obtain white, the mixing of corresponding trichromatic three complementary color Huang, product, blue or green equivalent can obtain black; The red, green, blue of equivalent, Huang, product, blue or green mixing can obtain middle grey, and middle grey has formed the theoretical foundation of design digital color enlargement machine colour film developing equipment color correction.
Background technology
The essential distinction that different digital colors is developed and printed equipment is that Exposure mode is separately different, several Exposure modes that we are common: laser explosure, convergent pencil of rays exposure, the exposure of low-light valve, LED light source exposure etc., their difference is that the speed of exposure is different, and short benefit of time for exposure is to make the acutance of image improve. But high film speed needs the printing paper of corresponding reaction speed to mate, and the too fast meeting that not so exposes makes image sharpness too high, seems more false. But high-speed exposure, makes the running speed of laser head very fast, easily produce vibrations, thereby cause aberration, so produced LED light source Exposure mode.
The long service life of the advantage of LED directional light exposure source: LED exposure assembly is cheap with respect to laser technology cost compare. Up-front investment is little, the corresponding shortening of cost recovery cycle. LED directional light exposure source is different from halogen light source, in work, does not generate heat, and makes to improve in light source service life, equipment job stability is stronger. Photo definition is higher; Colors of image is more bright-coloured sharp keen; Color rendition is truer; Stereovision is abundanter, and photo third dimension is stronger; Simplify mechanical movable part, significantly simplify the working procedure of maintenance and maintenance; Increase the speed of enlarging and print, photograph output is higher.
LED directional light exposure source is applied on digital photo printer machine, synthesize array shape light source by special prism, printing paper is exposed, so just can be in effectively controlling manufacturing cost and increasing the service life, make exposure more accurately stable, tone is more smoothly complete. The digital exposure technology of this LED directional light exposure source is just representing developing direction and the trend of digital color enlargement technology from now on.
Content of the present invention
Be for digital photo printer machine (or other use equipment of three primary light sources) in the technical problem and the life problems that use light source to exist order of the present invention, provide a kind of simple in structure, induction sensitivity is high, handling are simple, raising in service life, three primary colors LED light source that job stability is stronger.
For achieving the above object, the present invention adopts following scheme:
A kind of digital color enlargement machine engine sheet folder LED planar light source, include the high heat conduction base plate for packaging of LED and LED chip, LED is high, and heat conduction base plate for packaging is provided with some LED chips, LED chip is divided into LED red chip, LED blue chip and LED Green Chip, LED red chip, LED blue chip and the each colour sorting of LED Green Chip carry out serial or parallel connection by chip connection line and arrange, form a closed electronic device loop, the LED red chip of arranging, LED blue chip is connected an external connection positive pole jointly with LED Green Chip, LED is high, and heat conduction base plate for packaging is provided with external connection negative pole, external connection negative pole is divided into red end, three terminals of Lan Duan and green end, the LED red chip of arranging, LED blue chip and the corresponding red end of the each independent connection external connection negative pole of LED Green Chip negative pole end, Lan Duan and green termination line end.
Therein in some embodiment, the high heat conduction base plate for packaging of described LED is provided with a box dam housing wall, in box dam housing wall is coated on the electronic loop of LED red chip, LED blue chip and LED Green Chip composition, embedding heat conduction packing colloid in box dam housing wall, heat conduction packing colloid is by LED red chip, LED blue chip and the encapsulation of LED Green Chip.
In some embodiment, described LED red chip, LED blue chip and LED Green Chip quantity are therein: LED red chip quantity > LED Green Chip quantity > LED blue chip quantity.
Therein in some embodiment, described LED red chip is one group by 5～30 series connection, the LED red chip of series connection composes in parallel one red electronic loop by 7～20 groups again, the red anodal external connection positive pole that connects of electronic loop, and red electronic loop negative pole connects the red end of external connection negative pole; The LED red chip negative pole end of every group of series connection connects the red end of external connection negative pole through current-limiting resistance pad, on current-limiting resistance pad, weld current-limiting resistance.
Therein in some embodiment, described LED Green Chip is one group by 4～25 series connection, the LED Green Chip of series connection composes in parallel an embolium electronic loop by 5～15 groups again, the anodal external connection positive pole that connects of embolium electronic loop, and embolium electronic loop negative pole connects the green end of external connection negative pole; The LED Green Chip negative pole end of every group of series connection connects the green end of external connection negative pole through current-limiting resistance pad, on current-limiting resistance pad, weld current-limiting resistance.
Therein in some embodiment, described LED blue chip is one group by 3～20 series connection, the LED blue chip of series connection composes in parallel a blue sheet electronic loop by 5～15 groups again, the anodal external connection positive pole that connects of blue sheet electronic loop, and blue sheet electronic loop negative pole connects the indigo plant end of external connection negative pole; The LED blue chip negative pole end of every group of series connection connects the indigo plant end of external connection negative pole through current-limiting resistance pad, on current-limiting resistance pad, weld current-limiting resistance.
In some embodiment, LED red chip, LED blue chip and LED Green Chip circuit that on the high heat conduction base plate for packaging of described LED, each group is arranged are provided with current-limiting resistance therein.
In some embodiment, the red wavelength of described LED red chip is 630～650nm therein, and the blue wavelength of LED blue chip is 450～460nm, and the green wavelength of LED Green Chip is 530～540nm.
The present invention is energy-efficient, can automatically control, and comprises the integrated substrate of high heat conduction, red, green, blue led chip, silica gel box dam cavity, ballast resistance, link electrode, heat conduction packing colloid. Luminous uniform and stable, fast response time, the life-span of light source of the present invention are long; Be applied to the equipment that digital photo printer machine, photo enlarger etc. use three primary light source.
Brief description of the drawings
The profile of the embodiment of the present invention shown in Fig. 1.
The structural representation of the embodiment of the present invention shown in Fig. 2.
The partial schematic diagram of the embodiment of the present invention shown in Fig. 3.
The description of reference numerals of the embodiment of the present invention is as follows:
The high heat conduction base plate for packaging 1 of LED, box dam housing wall 2, external connection positive pole 3, external connection negative pole 4, current-limiting resistance pad 5, installation fixing hole 6, LED red chip 7, LED blue chip 8, LED Green Chip 9, chip connection line 10, heat conduction packing colloid 11.
Detailed description of the invention
For concrete order ground, the function that can further understand feature of the present invention, technological means and reach, resolve advantage of the present invention and focus technology spirit, by the present invention is further elaborated by the following examples.
The schematic diagram of the embodiment of the present invention is referring to accompanying drawing 1, accompanying drawing 2, shown in accompanying drawing 3, the present invention is a kind of digital photo printer machine (or other use the equipment of three primary light source) LED three primary colours light exposure source, design LED red chip 7 according to the concrete type of drive of digital photo printer machine (or other use the equipment of three primary light source), the arrangement mode of LED blue chip 8 and LED Green Chip 9 and the quantity of arranging, rely on electronic circuit and chip connecting line, LED chip is connected into one group of electronic loop, with heat conduction packing colloid 11, LED chip is encapsulated again, form a complete LED three primary light source. the heat conduction packing colloid 11 encapsulating is silica gel or other resin glues of high heat conduction, can be wherein transparent or adds diffusant.
LED directional light exposure source is utilize the structural principle of digital photo printer machine and the exposure principle of digital color enlargement machine and design invention. The LED directional light exposure source scope of application: the equipment of digital photo printer machine, digital scanning machine, other use three primary light sources. It is really embodied in improve in light source service life, equipment job stability is stronger, photo definition is higher, colors of image more bright-coloured sharp keen, color rendition is truer, stereovision is abundanter, photo third dimension is stronger, simplify mechanical movable part, working procedure, the speed of enlarging and print of significantly simplifying maintenance and maintenance are faster, output is higher.
LED is high, and heat conduction base plate for packaging 1 is provided with some LED chips, LED chip is divided into LED red chip 7, LED blue chip 8 and LED Green Chip 9, LED red chip 7, LED blue chip 8 and the each colour sorting of LED Green Chip 9 carry out serial or parallel connection by chip connection line 10 and arrange, after connecting by chip connection line 10, form a closed electronic device loop, make the LED red chip 7 of 3 kinds of colors, LED blue chip 8 and LED Green Chip 9(luminescence chip) a shared external connection positive pole 3, external connection negative pole 4 is divided into red end, three terminals of Lan Duan and green end, separately make the LED red chip 7 of 3 kinds of colors, LED blue chip 8 and LED Green Chip 9(luminescence chip) the independent corresponding red end of external connection negative pole 4 that is connected of classification, Lan Duan and green termination line end. external connection anodal 3 and external connection negative pole 4, look like to be connected with the driving that uses this light source.
The box dam housing wall 2 of electronic loop surrounding design on the high heat conduction base plate for packaging 1 of LED, LED red chip 7, LED blue chip 8 and LED Green Chip 9 being formed, the interior embedding heat conduction of box dam housing wall 2 packing colloid 11, encapsulates LED red chip 7, LED blue chip 8 and LED Green Chip 9 with heat conduction packing colloid 11.
The high heat conduction base plate for packaging 1 of its LED can adopt ceramic substrate or metal substrate or the composite substrate of high heat conduction. The high heat conduction base plate for packaging 1 of LED is provided with installs fixing hole 6, and installation fixing hole 6 is positioned at four edges of the high heat conduction base plate for packaging 1 of LED. The light-emitting area size of digital color enlargement machine engine sheet folder LED planar light source and installation fixing hole 6(locating hole) design or change according to digital photo printer machine (or other use equipment of three primary light sources) concrete condition.
Meanwhile, LED red chip 7, LED blue chip 8 and the LED Green Chip 9 arranged for each group are provided with current-limiting resistance pad 5 between external connection negative pole 4, and welding current-limiting resistance carries out voltage stabilization and current stabilization. The current-limiting resistance of redness to each road, blueness, Green Chip carries out voltage stabilizing current limliting, to protect the normal operating conditions of LED chip. In use procedure, the LED chip that each group is arranged carries out respectively intelligentized Current Control, just can obtain the three primary colours light of device requirement.
LED red chip 7, LED blue chip 8 and LED Green Chip 9, carry out serial or parallel connection according to certain way and quantity and arrange, and connects by chip connection line 10, forms a closed electronic device loop. According to the exposure principle of digital color enlargement machine and three primary colors, three complementary color, middle grey principle, its LED red chip 7, LED blue chip 8 and LED Green Chip 9 quantity are: LED red chip 7 quantity > LED Green Chip 9 quantity > LED blue chip 8 quantity. Its chip arrangement mode is determined according to the electric current of digital color enlargement machine engine sheet folder, voltage.
On the high heat conduction base plate for packaging 1 of LED, electronic loop surrounding red, blue, Green Chip is designed to a box dam housing wall 2, the interior embedding heat conduction of box dam housing wall 2 packing colloid 11, heat conduction packing colloid 11 is protected LED chip and the connecting line of LED planar light source. On the high heat conduction base plate for packaging 1 of LED, the current-limiting resistance of the redness on each road, blueness, LED Green Chip is carried out to voltage stabilizing current limliting, to protect the normal operating conditions of LED chip.
The wavelength of LED red chip 7, LED blue chip 8 and LED Green Chip 9, exposure principle and three primary colors, three complementary color, middle grey principle according to digital color enlargement machine are selected and set, usually, red wavelength is set in 630～650nm, blue wavelength is set in 450～460nm, and green wavelength is set in 530～540nm.
The arrangement mode of its LED red chip 7, LED blue chip 8 and LED Green Chip 9 and the quantity of arranging will be set according to digital photo printer machine (or other use the equipment of three primary light source) concrete condition. Therein in an embodiment, LED red chip 7 is one group by 10 series connection, compose in parallel red electronic loop by the LED red chip 7 of 16 groups of series connection again, red electronic loop positive pole connects external connection positive pole 3, and red electronic loop negative pole connects the red end (terminals) of external connection negative pole 4; The current-limiting resistance pad 5 that is provided with electric connection between the LED red chip 7 of every group of series connection and the red end of external connection negative pole 4, welds current-limiting resistance on current-limiting resistance pad 5.
LED Green Chip 9 is one group by 7 series connection, then composes in parallel embolium electronic loop by the LED Green Chip 9 of 8 groups of series connection, and embolium electronic loop positive pole connects external connection positive pole 3, and embolium electronic loop negative pole connects the green end (terminals) of external connection negative pole 4; The current-limiting resistance pad 5 that is provided with electric connection between the LED Green Chip 9 of every group of series connection and the green end of external connection negative pole 4, welds current-limiting resistance on current-limiting resistance pad 5.
LED blue chip 8 is one group by 5 series connection, then composes in parallel blue sheet electronic loop by the LED blue chip 8 of 8 groups of series connection, and blue sheet electronic loop positive pole connects external connection positive pole 3, and blue sheet electronic loop negative pole connects the indigo plant end (terminals) of external connection negative pole 4; The current-limiting resistance pad 5 that is provided with electric connection between the LED blue chip 8 of every group of series connection and the indigo plant end of external connection negative pole 4, welds current-limiting resistance on current-limiting resistance pad 5.
Functional characteristics of the present invention: light source simple in structure; Use the good spectral characteristic of LED of stable luminescence; The advantages such as luminous uniform and stable, fast response time, life-span are long.
Installation and debugging:
1, positioning hole according to the light supply apparatus department of demand equipment installs;
2, installation light source will be carried out setting and the processing of heat dissipation channel;
3, install after light source, must regulate corresponding drive current and voltage;
4, this LED infrared induction Down lamp is applicable to indoor environment, please don't be arranged under outdoor adverse circumstances and use.
The above embodiment has only expressed the specific embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention. It should be pointed out that the technology for this area, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (2)
1. a digital color enlargement machine engine sheet folder LED planar light source, includes: the high heat conduction base plate for packaging of LEDAnd LED chip (1), the high heat conduction base plate for packaging of described LED (1) is provided with some LED chips, described inLED chip is divided into LED red chip (7), LED blue chip (8) and LED Green Chip (9), itsBe characterised in that, described LED red chip (7), LED blue chip (8) and LED Green Chip (9) are eachColour sorting carries out serial or parallel connection by chip connection line (10) arranges, and arrangement mode is red, green, blueBe intervally arranged, form a closed electronic device loop, LED red chip (7), the LED blueness of arrangingChip (8) is connected an external connection positive pole (3) jointly with LED Green Chip (9), the high heat conduction of described LEDBase plate for packaging (1) is provided with external connection negative pole (4), and described external connection negative pole (4) is divided into red end, Lan DuanWith three terminals of green end, the LED red chip (7) of arranging, LED blue chip (8) and LED greenRed end, blue end and green terminated line that the each independent connection external connection negative pole of chip (9) negative pole end (4) is correspondingEnd;
The high heat conduction base plate for packaging of described LED (1) is provided with a box dam housing wall (2), described box dam cavityWall (2) forms LED red chip (7), LED blue chip (8) and LED Green Chip (9)In electronic loop is coated on, described box dam housing wall (2) interior embedding heat conduction packing colloid (11), described in leadHeat-seal colloid (11) is by LED red chip (7), LED blue chip (8) and LED Green Chip (9)Encapsulation;
Described LED red chip (7), LED blue chip (8) and LED Green Chip (9) quantity are:LED red chip (7) quantity > LED Green Chip (9) quantity > LED blue chip (8) quantity;
Described LED red chip (7) is one group by 5～30 series connection, the LED red chip (7) of series connectionCompose in parallel one red electronic loop by 7～20 groups again, the anodal external connection positive pole that connects of described red electronic loop(3), described red electronic loop negative pole connects the red end of external connection negative pole (4);
Described LED Green Chip (9) is one group by 4～25 series connection, the LED Green Chip (9) of series connectionCompose in parallel an embolium electronic loop by 5～15 groups again, the anodal external connection positive pole that connects of described embolium electronic loop(3), described embolium electronic loop negative pole connects the green end of external connection negative pole (4);
Described LED blue chip (8) is one group by 3～20 series connection, the LED blue chip (8) of series connectionCompose in parallel a blue sheet electronic loop by 5～15 groups again, the anodal external connection positive pole that connects of described blue sheet electronic loop(3), described blue sheet electronic loop negative pole connects the indigo plant end of external connection negative pole (4);
The red wavelength of described LED red chip (7) is 630～650nm, described LED blue chip (8)Blue wavelength be 450～460nm, the green wavelength of described LED Green Chip (9) is 530～540nm.
2. a kind of digital color enlargement machine engine sheet folder LED planar light source according to claim 1, its featureBe LED red chip (7), LED that upper each group of the high heat conduction base plate for packaging of described LED (1) is arrangedBlue chip (8) and LED Green Chip (9) circuit are provided with current-limiting resistance;
LED red chip (7) negative pole end of every group of series connection connects external connection through current-limiting resistance pad (5)The red end of negative pole (4), the upper welding of described current-limiting resistance pad (5) current-limiting resistance;
LED Green Chip (9) negative pole end of every group of series connection connects external connection through current-limiting resistance pad (5)The green end of negative pole (4), the upper welding of described current-limiting resistance pad (5) current-limiting resistance;
LED blue chip (8) negative pole end of every group of series connection connects external connection through current-limiting resistance pad (5)The indigo plant end of negative pole (4), the upper welding of described current-limiting resistance pad (5) current-limiting resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310483702.5A CN103529635B (en) | 2013-10-16 | 2013-10-16 | A kind of digital color enlargement machine engine sheet folder LED planar light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310483702.5A CN103529635B (en) | 2013-10-16 | 2013-10-16 | A kind of digital color enlargement machine engine sheet folder LED planar light source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103529635A CN103529635A (en) | 2014-01-22 |
| CN103529635B true CN103529635B (en) | 2016-05-04 |
Family
ID=49931753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310483702.5A Expired - Fee Related CN103529635B (en) | 2013-10-16 | 2013-10-16 | A kind of digital color enlargement machine engine sheet folder LED planar light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103529635B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11282096A (en) * | 1998-01-27 | 1999-10-15 | Noritsu Koki Co Ltd | Photographic printing device and electronic image inputting device |
| CN1326111A (en) * | 2000-05-26 | 2001-12-12 | 格雷塔格成象贸易公司 | Camera image catching device with LED chips |
| CN2629067Y (en) * | 2003-05-30 | 2004-07-28 | 贡晔 | Photo enlarging & printing apparatus based on planar array colour LED ligh source |
| JP2004266412A (en) * | 2003-02-28 | 2004-09-24 | Noritsu Koki Co Ltd | Light source unit |
| CN2812049Y (en) * | 2005-03-17 | 2006-08-30 | 上海多丽影像设备有限公司 | An LED lamp |
| CN2888493Y (en) * | 2005-12-19 | 2007-04-11 | 上海多丽影像设备有限公司 | A LED lamp (1) |
| CN201163632Y (en) * | 2008-01-14 | 2008-12-10 | 杭州中宙光电有限公司 | High power LED device |
| CN101495320A (en) * | 2006-05-30 | 2009-07-29 | 迪格普因特有限公司 | Improvements relating to optical printers |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4193893B2 (en) * | 2006-09-29 | 2008-12-10 | セイコーエプソン株式会社 | Exposure apparatus and image forming apparatus |
-
2013
- 2013-10-16 CN CN201310483702.5A patent/CN103529635B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11282096A (en) * | 1998-01-27 | 1999-10-15 | Noritsu Koki Co Ltd | Photographic printing device and electronic image inputting device |
| CN1326111A (en) * | 2000-05-26 | 2001-12-12 | 格雷塔格成象贸易公司 | Camera image catching device with LED chips |
| JP2004266412A (en) * | 2003-02-28 | 2004-09-24 | Noritsu Koki Co Ltd | Light source unit |
| CN2629067Y (en) * | 2003-05-30 | 2004-07-28 | 贡晔 | Photo enlarging & printing apparatus based on planar array colour LED ligh source |
| CN2812049Y (en) * | 2005-03-17 | 2006-08-30 | 上海多丽影像设备有限公司 | An LED lamp |
| CN2888493Y (en) * | 2005-12-19 | 2007-04-11 | 上海多丽影像设备有限公司 | A LED lamp (1) |
| CN101495320A (en) * | 2006-05-30 | 2009-07-29 | 迪格普因特有限公司 | Improvements relating to optical printers |
| CN201163632Y (en) * | 2008-01-14 | 2008-12-10 | 杭州中宙光电有限公司 | High power LED device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103529635A (en) | 2014-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2014084489A1 (en) | Light source unit, and image projection device including same | |
| KR20040087248A (en) | Light Source Device For Electronic Photographic Apparatus | |
| CN102955326A (en) | Electronic device for providing adjustable supplementary lighting | |
| CN103037592A (en) | Light-emitting diode (LED) street lamp automatic control system and LED street lamp automatic control method | |
| WO2023246917A1 (en) | Three-dimensional printing device and light source control method and apparatus therefor | |
| WO2015070719A1 (en) | Illumination device | |
| CN102537743B (en) | A kind of LED, module and display methods | |
| CN101582221B (en) | LED display device | |
| CN103529635B (en) | A kind of digital color enlargement machine engine sheet folder LED planar light source | |
| CN101737754A (en) | Light source module and projector using same | |
| CN106772761A (en) | A kind of colour gamut side entering-type LED backlight module high | |
| CN100464233C (en) | Backlight module | |
| CN101604506B (en) | LED display control system | |
| KR20050119045A (en) | Light-emitting diode display device and method thereof | |
| CN101609644A (en) | The LED display control program | |
| CN100424872C (en) | Light source structure of luminous diode | |
| CN209766471U (en) | LED wafer color changing device | |
| CN210165347U (en) | Three-primary-color light-emitting source | |
| CN204424254U (en) | Directly accept the LED packaging element of alternating current | |
| CN203351594U (en) | Light emitting diode | |
| CN204829724U (en) | Application carrier wave drives LED packaging structure of lamp cluster and drive unit thereof | |
| CN101604505B (en) | LED display control system | |
| CN207458935U (en) | Convenient for controlling the LED wiring constructions of light effect | |
| CN111207308A (en) | LED light source capable of realizing any color | |
| CN207316492U (en) | A kind of tetra- color integrated LED light sources of RGBW |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180703 Address after: 523000 407, room 4, building 1, innovation and Technology Park, Songshan Lake high tech Industrial Development Zone, Dongguan, Guangdong, China Patentee after: Dongguan Yanyuan Investment Co.,Ltd. Address before: 523000 the 4 floor of Building 1, Songshan Lake innovation and Technology Park, Dongguan, Guangdong, Dongguan, Peking University Patentee before: Dongguan Institute of Opto-Electronics Peking University |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180801 Address after: 523000 Dongguan, Guangdong Province, the town of Xiao Lang village, 8 Patentee after: DONGGUAN ZHONGHAO LIGHTING TECHNOLOGY CO.,LTD. Address before: 523000 407, room 4, building 1, innovation and Technology Park, Songshan Lake high tech Industrial Development Zone, Dongguan, Guangdong, China Patentee before: Dongguan Yanyuan Investment Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20211016 |