CN102760730A - Light-emitting diode device - Google Patents
Light-emitting diode device Download PDFInfo
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- CN102760730A CN102760730A CN2012102509869A CN201210250986A CN102760730A CN 102760730 A CN102760730 A CN 102760730A CN 2012102509869 A CN2012102509869 A CN 2012102509869A CN 201210250986 A CN201210250986 A CN 201210250986A CN 102760730 A CN102760730 A CN 102760730A
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Abstract
The invention discloses a light-emitting diode device, comprising a substrate provided with an insulating layer and a conducting layer arranged on the insulating layer, a support formed with an internally-sunken opening and matched with the substrate to form a light-projecting opening with a cup structure of the light-emitting diode device, and light-emitting diode chips comprising red chips, green chips and blue chips, wherein the light-emitting diode chips with the three colours are electrically connected with the conducting layer of the substrate; and moreover, the support has a slanting angle corresponding to the substrate; in the light-emitting diode chips with the three colours, the light-emitting diode chips with the two colours are arranged on the slanting support, and the light-emitting diode chip with the third colour is arranged on the substrate; and the positive lights of the light-emitting diode chips with the three colours are collected at the central point of the support. The light-emitting diode device disclosed by the invention is simple in structure and uniform in light emitting.
Description
Technical field
The present invention relates to a kind of light-emitting diode assembly, especially relate to a kind of white light emitting diode device of even light mixing.
Background technology
(Light Emitting Diode LED) as a kind of green light source, has that luminous efficiency height, power consumption are few, a long service life, safe and reliable and environmentally friendly advantage to light-emitting diode.The lifting of Along with people's environmental consciousness, LED matrix more and more receive people's attention, and LED is widely used in backlight and lighting field, wherein, use the most extensive with white light LEDs.
Preparation white light LEDs device, one of common technology are to adopt many colors led chip mixed light to obtain white light, and as shown in Figure 1, the white light LEDs device that this is technological comprises: substrate 1, support 2, light-emitting diode chip for backlight unit; Support 2 constitutes LED bowl cup structure with substrate 1; Said light-emitting diode chip for backlight unit comprises red light chips 33, and green glow chip 32 and blue chip 31, Tricolor LED chip are set in parallel in said LED bowl cup structure bottom, on the substrate 1.The white light LEDs of this design, because the Tricolor LED chip laterally arranges, the maximum intensity of forward bright dipping of chip are also maximum, are prone to part forward light and mix uneven phenomenon.Therefore, be necessary to propose a kind of improvement, to overcome the uneven defective of mixed light.
Summary of the invention
Technical problem to be solved by this invention provides a kind of even light mixing light-emitting diode.
To achieve these goals, the present invention adopts following technical scheme:
A kind of light-emitting diode assembly comprises: substrate, said substrate are provided with insulating barrier and are arranged on the conductive layer on the said insulating barrier; Support, said support form the indent opening and cooperate the light projector mouth that forms said light-emitting diode assembly bowl cup structure with said substrate; Light-emitting diode chip for backlight unit, said light-emitting diode chip for backlight unit comprise red, green, blue three color chips, and said Tricolor LED chip is electrically connected said substrate conductive layer; And: the corresponding said substrate of said support has certain angle of inclination; In the said Tricolor LED chip, have the light-emitting diode chip for backlight unit of two kinds of colors to be arranged on the said tilt stand, the said light-emitting diode chip for backlight unit of the third color is arranged on the said substrate; Said Tricolor LED chip forward light crosses at carriage center point place.
As a kind of optimized technical scheme, said Tricolor LED chip is positioned at a sectional elevation of said light-emitting diode assembly.
As a kind of optimized technical scheme, said Tricolor LED chip adopts the mode of parallel connection or string and series-parallel connection to be electrically connected.
As a kind of optimized technical scheme, said support and said substrate angle of inclination are within 15 degree.
Light-emitting diode assembly of the present invention; Because the dichromatism light-emitting diode chip for backlight unit is arranged on the tilt stand, Tricolor LED chip forward light crosses at the carriage center place, can guarantee even light mixing; Therefore, light-emitting diode assembly of the present invention has the advantage of even light mixing.
Description of drawings
Fig. 1 is a conventional art light emitting diode construction profile.
Fig. 2 is a light emitting diode construction profile of the present invention.
Embodiment
Below in conjunction with accompanying drawing, specify light-emitting diode assembly of the present invention:
See also Fig. 2, the present embodiment light-emitting diode assembly comprises, substrate 1, and substrate 1 is provided with insulating barrier, and insulating barrier is provided with positive and negative conductive electrode; Support 2, support 2 cooperate formation light-emitting diode assembly bowl cup structure light projector mouth with substrate 1; Light-emitting diode chip for backlight unit; Said light-emitting diode chip for backlight unit comprises blue LED chip 31; Green light LED chip 32 and red light-emitting diode chip 33; Positive and negative conductive electrode is electrically connected on light-emitting diode chip for backlight unit and the aforesaid substrate 1, thereby obtains operating current, excited by electric current and sends corresponding color light; Packing colloid (not shown), packing colloid coat above-mentioned light-emitting diode chip for backlight unit and fill said light-emitting diode bowl cup structure.
As shown in Figure 2, between support 2 and the substrate 1 certain angle of inclination is arranged, red light-emitting diode chip 33 and blue LED chip 31 are arranged on the tilt stand 2, and green light LED chip 32 is arranged on the substrate 1; The forward light that blue LED chip 31, green light LED chip 32 and red light-emitting diode chip 33 send crosses in support 2 central spot, guarantees the even mixing of three kinds of color of light.Blue LED chip 31, green light LED chip 32 and red light-emitting diode chip 33 solid brilliant positions are on a sectional elevation; Promptly the light-emitting diode chip for backlight unit of three kinds of colors is positioned on the section of a perpendicular of light-emitting diode assembly; Thereby make forward light when support 2 central spot intersections; The ruddiness that blue light that blue LED chip 31 sends and red light-emitting diode chip 33 send is from about support 2 center line symmetry directions; Guarantee the mixture homogeneity of three kinds of color of light, to guarantee further mixing of three kinds of color light.Three color chip arrangement mode settings of present embodiment are merely one embodiment of the present invention, also can be other color arrangement mode, do not influence the present invention's enforcement and application.
As optimal technical scheme, there is reasonable binding site at the angle of inclination of support 2 and substrate 1 to guarantee that mixed light effect and front are luminous, thereby guarantees light-emitting diode assembly even light mixing of the present invention, the while simplified design within 15 degree.
As optimal technical scheme, the Tricolor LED chip of present embodiment adopts the mode of parallel connection or string and series-parallel connection to be electrically connected, so that can separately control the light-emitting diode chip for backlight unit operating state, and to obtain desired color light.
Light-emitting diode assembly of the present invention, Tricolor LED chip have the design of certain angle of inclination, and three coloured light cross at the carriage center point, guarantee the even mixing of light-emitting diode chip for backlight unit bright dipping.
More than be merely case study on implementation of the present invention, be not limited to the present invention,, all should include in the protection range of putting down in writing in claims as long as the equivalence that those of ordinary skills do according to disclosed content is modified or changed.
Claims (4)
1. light-emitting diode assembly comprises:
Substrate, said substrate are provided with insulating barrier and are arranged on the conductive layer on the said insulating barrier;
Support, said support form the indent opening and cooperate the light projector mouth that forms said light-emitting diode assembly bowl cup structure with said substrate;
Light-emitting diode chip for backlight unit, said light-emitting diode chip for backlight unit comprise red, green, blue three color chips, and said Tricolor LED chip is electrically connected said substrate conductive layer;
It is characterized in that: the corresponding said substrate of said support has certain angle of inclination; In the said Tricolor LED chip, have the light-emitting diode chip for backlight unit of two kinds of colors to be arranged on the said tilt stand, the said light-emitting diode chip for backlight unit of the third color is arranged on the said substrate; Said Tricolor LED chip forward light crosses at carriage center point place.
2. light-emitting diode assembly according to claim 1 is characterized in that: said Tricolor LED chip is positioned at a sectional elevation of said light-emitting diode assembly.
3. light-emitting diode assembly according to claim 1 is characterized in that: said Tricolor LED chip adopts the mode of parallel connection or string and series-parallel connection to be electrically connected.
4. light-emitting diode assembly according to claim 1 is characterized in that: said support and said substrate angle of inclination are within 15 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102509869A CN102760730A (en) | 2012-07-20 | 2012-07-20 | Light-emitting diode device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102509869A CN102760730A (en) | 2012-07-20 | 2012-07-20 | Light-emitting diode device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102760730A true CN102760730A (en) | 2012-10-31 |
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ID=47055123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102509869A Pending CN102760730A (en) | 2012-07-20 | 2012-07-20 | Light-emitting diode device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102760730A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300887A (en) * | 2018-09-30 | 2019-02-01 | 武汉华星光电技术有限公司 | Back lighting device and its manufacturing method |
| CN113410374A (en) * | 2021-06-17 | 2021-09-17 | 中国科学院半导体研究所 | Mixed-color LED device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11163412A (en) * | 1997-11-25 | 1999-06-18 | Matsushita Electric Works Ltd | Led illuminator |
| US20020006040A1 (en) * | 1997-11-25 | 2002-01-17 | Kazuo Kamada | Led luminaire with light control means |
| CN201066688Y (en) * | 2007-05-11 | 2008-05-28 | 群康科技(深圳)有限公司 | LED and backlight module |
| CN202796939U (en) * | 2012-07-20 | 2013-03-13 | 歌尔声学股份有限公司 | Light emitting diode device |
-
2012
- 2012-07-20 CN CN2012102509869A patent/CN102760730A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11163412A (en) * | 1997-11-25 | 1999-06-18 | Matsushita Electric Works Ltd | Led illuminator |
| US20020006040A1 (en) * | 1997-11-25 | 2002-01-17 | Kazuo Kamada | Led luminaire with light control means |
| CN201066688Y (en) * | 2007-05-11 | 2008-05-28 | 群康科技(深圳)有限公司 | LED and backlight module |
| CN202796939U (en) * | 2012-07-20 | 2013-03-13 | 歌尔声学股份有限公司 | Light emitting diode device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109300887A (en) * | 2018-09-30 | 2019-02-01 | 武汉华星光电技术有限公司 | Back lighting device and its manufacturing method |
| CN109300887B (en) * | 2018-09-30 | 2024-03-01 | 武汉华星光电技术有限公司 | Backlight device and method for manufacturing the same |
| CN113410374A (en) * | 2021-06-17 | 2021-09-17 | 中国科学院半导体研究所 | Mixed-color LED device |
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Application publication date: 20121031 |