CN103511991B - The fixed structure of reflector plate in a kind of LED-backlit module - Google Patents
The fixed structure of reflector plate in a kind of LED-backlit module Download PDFInfo
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- CN103511991B CN103511991B CN201310356086.7A CN201310356086A CN103511991B CN 103511991 B CN103511991 B CN 103511991B CN 201310356086 A CN201310356086 A CN 201310356086A CN 103511991 B CN103511991 B CN 103511991B
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- reflector plate
- pcb board
- led lamp
- hole
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- 238000010586 diagram Methods 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006854 communication Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses the fixed structure of reflector plate in a kind of LED-backlit module, comprise reflector plate and LED lamp component; Described LED lamp component comprises pcb board and is connected to the multiple LED on pcb board, there is first gap between the lampshade of each LED and described pcb board; Described reflector plate has multiple through hole, and the distribution of the multiple LED in its position distribution and LED lamp component is one_to_one corresponding; In described multiple through hole, have one at least for irregularly-shaped hole, all the other are circular port; The edge piece that described irregularly-shaped hole is extended in hole by circular port and circular port is formed; Each LED of described LED lamp component packs in through hole corresponding to described reflector plate by correspondence position respectively, and wherein, the edge piece of described irregularly-shaped hole is sticked in the first gap between the lampshade of corresponding LED and pcb board by elasticity.It will be comparatively smooth that this structure can ensure that the large face of reflecting surface is fixed, and the cavity of backlight module can have good luminous efficiency.
Description
Technical field
The present invention relates to field of television, particularly relate to the fixed structure of reflector plate in a kind of LED-backlit module.
Background technology
Along with the competition of TV industry is more and more fierce, and country requires more and more higher to energy saving television, the Straight-down type liquid crystal television (CCFL) of cold cathode luminescence, gradually by market, the substitute is with in, the great power LED Straight-down type liquid crystal television that is light emitting source, hereinafter referred to as straight-down negative LED liquid crystal television.
There is reflector plate in the backlight module cavity of straight-down negative LED liquid crystal television, be used for reflecting the light source in LED communication process, make LED light source utilization rate reach maximization.In backlight module cavity, the large face of reflection of reflector plate needs comparatively smooth, and the location of reflecting surface needs accurate, reliable simultaneously, the difficult drop-off when shaking drop test, otherwise will directly affect luminous efficiency and the production efficiency of TV backlight module, finally also will determine the imaging effect of television image.
Chinese invention application 201220042147.3 provides a kind of direct-light type LED backlight module, comprises the backboard of LED lamp panel, mounted LED lamp plate, is attached in described backboard, is positioned at LED lamp panel reflector plate below and is attached at the reflector plate in LED lamp panel front.The reflector plate of this invention is positioned in LED lamp panel by the stickup effect of double faced adhesive tape, then, when reflector plate is heated, the positioning function of double faced adhesive tape can be caused to lose efficacy, and then produces unfavorable condition.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art, the fixed structure of reflector plate in a kind of LED-backlit module is provided, by the edge piece of irregularly-shaped hole on reflector plate being sticked into the first gap between the lampshade of corresponding LED and pcb board, realize the location to reflector plate.
The technical solution adopted for the present invention to solve the technical problems is: the fixed structure of reflector plate in a kind of LED-backlit module, comprises reflector plate and LED lamp component; Described LED lamp component comprises pcb board and is connected to the multiple LED on pcb board, there is first gap between the lampshade of each LED and described pcb board; Described reflector plate has multiple through hole, and the distribution of the multiple LED in its position distribution and LED lamp component is one_to_one corresponding; In described multiple through hole, have one at least for irregularly-shaped hole, all the other are circular port; The edge piece that described irregularly-shaped hole is extended in hole by circular port and circular port is formed; Each LED of described LED lamp component packs in through hole corresponding to described reflector plate by correspondence position respectively, and wherein, the edge piece of described irregularly-shaped hole is sticked in the first gap between the lampshade of corresponding LED and pcb board by elasticity.
The size of described circular port is equal to or greater than the size of the lampshade of LED.
The ray place that the center, hole that the both sides of described edge piece are in circular port respectively is outwards dispersed.
The angle on the both sides of described edge piece is 60 degree.
The free margins of described edge piece is circular arc.
The center of circle of the circular arc of the free margins of described edge piece and the center of circle of described circular port coincide.
The pcb board of described LED lamp component is a monoblock printed panel, and described LED is lined up spaced some rows.
Described LED lamp component also can be parallel to each other to be spaced by the LED lamp bar of some wall scrolls and form, then the pcb board of described LED lamp component is the lamp bar pcb board of LED lamp bar, and described LED is distributed on lamp bar pcb board described in each.
From the above-mentioned description of this invention, compared with prior art, the present invention has following beneficial effect:
1. it will be comparatively smooth for can ensureing that the large face of reflecting surface is fixed, and the cavity of backlight module can have good luminous efficiency;
2. the firm position of reflector plate is reliable, and the difficult drop-off when shaking drop test is unaffected equally when being heated.
Below in conjunction with drawings and Examples, the present invention is described in further detail; But the fixed structure of reflector plate is not limited to embodiment in a kind of LED-backlit module of the present invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of reflector plate of the present invention and the partial enlarged drawing of irregularly-shaped hole wherein;
Fig. 2 is LED lamp bar schematic diagram of the present invention;
Fig. 3 is that LED lamp bar of the present invention loads reflector plate schematic diagram;
Fig. 4 is that in the present invention, on reflector plate, the edge piece of irregularly-shaped hole is the schematic diagram of elastic deformation before embedding the first gap;
Fig. 5 is that in the present invention, on reflector plate, the edge piece of irregularly-shaped hole recovers the schematic diagram of original state after embedding in the first gap.
Detailed description of the invention
Embodiment,
As shown in Figures 1 to 5, the invention provides the fixed structure of reflector plate in a kind of LED-backlit module, comprise reflector plate 1 and LED lamp component; In the present embodiment, adopt the LED lamp bar 2 of some wall scrolls to be as shown in Figure 2 parallel to each other and be spaced composition LED lamp component; In the backlight module of the present embodiment, each LED lamp bar 2 is fixed on five metals backboard 3, as shown in Figure 4 and Figure 5;
Some LED 21 that described LED lamp bar 2 comprises lamp bar pcb board 22 and is connected on lamp bar pcb board 22, as shown in Figure 2, therefore be parallel to each other by the LED lamp bar 2 of some wall scrolls and the LED lamp component that is spaced and forms formed multiple LED 21 of spaced arrangement, as shown in Figure 3; A first gap 23(is there is as shown in Figure 4 between the lampshade 211 of each LED 21 and described lamp bar pcb board 22), the gap at present on the market in lamp bar between LED lampshade and lamp bar pcb board is about 1mm;
Described reflector plate 1 has multiple through hole, and the distribution of the multiple LED 21 in its position distribution and LED lamp component is one_to_one corresponding; As shown in Figure 1, in described multiple through hole, have one at least for irregularly-shaped hole 12, all the other are circular port 11; The edge piece 122 that described irregularly-shaped hole 12 is extended in hole by circular port 121 and circular port 121 is formed, and as shown in Figure 1, circular port 11 is identical with the size dimension of circular port 121;
During assembling, each LED 21 of described LED lamp component packs into by correspondence position in the through hole of described reflector plate 1 correspondence respectively, wherein, the edge piece 122 of described irregularly-shaped hole 12 is sticked in the first gap 23 between the lampshade 211 of corresponding LED 21 and pcb board 22 by elasticity, as shown in Figures 3 to 5.
The size of described circular port 11 is equal to or greater than the size of the lampshade 211 of LED 21, and equally, the size of circular port 121 is also equal to or greater than the size of the lampshade 211 of LED 21.
The ray place that the center, hole that the both sides 1221 of described edge piece 122 are in circular port 121 respectively is outwards dispersed, as shown in Figure 1.
The angle on the both sides 1221 of described edge piece 122 is 60 degree, as shown in Figure 1.
The free margins 1222 of described edge piece 122 is circular arc, as shown in Figure 1.
The center of circle of the circular arc of the free margins 1222 of described edge piece 121 and the center of circle of described circular port 121 coincide, as shown in Figure 1.
For 32 cun of DLED backlight modules, the reflector plate 1 of this backlight module can design 9 place's irregularly-shaped holes, by the arrangement of " water " font, as shown in Figure 1.It will be comparatively smooth for can ensureing that the large face of reflecting surface is fixed like this, and the cavity of backlight module can have good luminous efficiency.Irregularly-shaped hole 12 shape and structure of reflector plate 1 is as shown in the partial enlarged drawing in Fig. 1.During assembling reflector plate 1, the circular port 11 of reflector plate 1 and circular port 121 aim at lampshade 211 center of LED 21, then the edge piece 122 of one of them irregularly-shaped hole 12 of reflector plate 1 is pressed, the edge piece 122 of this irregularly-shaped hole 12 will produce elastic deformation, as shown in Figure 4, until edge piece 122 is embedded in the first gap 23 between the lampshade 211 of LED 21 and lamp bar pcb board 22, edge piece 122 just recovers deformation, as shown in Figure 5.In the same way, remaining irregularly-shaped hole 12 is snapped onto in the first gap 23 between the lampshade 211 of corresponding LED 21 and pcb board 22.Finally, reflector plate 1 can form a comparatively smooth reflecting surface, and fixed effect is also comparatively reliable simultaneously.
Adopt the LED lamp bar 2 of some wall scrolls to be as shown in Figure 2 parallel to each other in above embodiment and be spaced composition LED lamp component, in fact, the pcb board of described LED lamp component also can be a monoblock printed panel (not shown).Now, the LED on pcb board is lined up spaced some rows equally.
Above-described embodiment is only used for further illustrating the fixed structure of reflector plate in a kind of LED-backlit module of the present invention; but the present invention is not limited to embodiment; every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all fall in the protection domain of technical solution of the present invention.
Claims (8)
1. the fixed structure of reflector plate in LED-backlit module, comprises reflector plate and LED lamp component, and described LED lamp component comprises pcb board and is connected to the multiple LED on pcb board, there is first gap between the lampshade of each LED and described pcb board; Described reflector plate has multiple through hole, and the distribution of the multiple LED in its position distribution and LED lamp component is one_to_one corresponding; It is characterized in that: in described multiple through hole, have one at least for irregularly-shaped hole, all the other are circular port; The edge piece that described irregularly-shaped hole is extended in hole by circular port and circular port is formed; Each LED of described LED lamp component packs in through hole corresponding to described reflector plate by correspondence position respectively, and wherein, the edge piece of described irregularly-shaped hole is sticked in the first gap between the lampshade of corresponding LED and pcb board by elasticity.
2. the fixed structure of reflector plate in a kind of LED-backlit module as claimed in claim 1, it is characterized in that, the size of described circular port is equal to or greater than the size of the lampshade of LED.
3. the fixed structure of reflector plate in a kind of LED-backlit module as claimed in claim 2, is characterized in that, the ray place that the center, hole that the both sides of described edge piece are in circular port respectively is outwards dispersed.
4. the fixed structure of reflector plate in a kind of LED-backlit module as claimed in claim 3, it is characterized in that, the angle on the both sides of described edge piece is 60 degree.
5. the fixed structure of reflector plate in a kind of LED-backlit module as claimed in claim 4, it is characterized in that, the free margins of described edge piece is circular arc.
6. the fixed structure of reflector plate in a kind of LED-backlit module as claimed in claim 5, it is characterized in that, the center of circle of the circular arc of the free margins of described edge piece and the center of circle of described circular port coincide.
7. the fixed structure of reflector plate in a kind of LED-backlit module as claimed in claim 1, it is characterized in that, the pcb board of described LED lamp component is a monoblock printed panel, and described LED is lined up spaced some rows.
8. the fixed structure of reflector plate in a kind of LED-backlit module as claimed in claim 1, it is characterized in that, described LED lamp component is parallel to each other to be spaced by the LED lamp bar of some wall scrolls and forms, then the pcb board of described LED lamp component is the lamp bar pcb board of LED lamp bar, and described LED is distributed on lamp bar pcb board described in each.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310356086.7A CN103511991B (en) | 2013-08-15 | 2013-08-15 | The fixed structure of reflector plate in a kind of LED-backlit module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310356086.7A CN103511991B (en) | 2013-08-15 | 2013-08-15 | The fixed structure of reflector plate in a kind of LED-backlit module |
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| CN103511991A CN103511991A (en) | 2014-01-15 |
| CN103511991B true CN103511991B (en) | 2015-08-12 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204127877U (en) * | 2014-09-30 | 2015-01-28 | 京东方科技集团股份有限公司 | A kind of reflector plate, backlight module and display unit |
| CN204100138U (en) * | 2014-09-30 | 2015-01-14 | 京东方科技集团股份有限公司 | A kind of reflector plate, backlight module and display unit |
| US9891470B2 (en) | 2014-09-30 | 2018-02-13 | Boe Technology Group Co., Ltd. | Reflector sheet, backlight module and display apparatus |
| CN107526216A (en) * | 2017-08-28 | 2017-12-29 | 深圳创维－Rgb电子有限公司 | A kind of directly-down liquid crystal module and its television set |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818193A (en) * | 2012-08-20 | 2012-12-12 | 创维液晶器件(深圳)有限公司 | Direct type LED (light emitting diode) backlight module and display device of direct type LED backlight module |
| CN203395840U (en) * | 2013-08-15 | 2014-01-15 | 厦门华侨电子股份有限公司 | Fixing structure of reflector plate in light-emitting diode (LED) backlight module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4546985B2 (en) * | 2007-03-26 | 2010-09-22 | 積水ホームテクノ株式会社 | Indirect lighting fixtures and bathroom units |
| KR20100101756A (en) * | 2009-03-10 | 2010-09-20 | 주식회사 에이텍 | Dry cell holer and flashlight having the dry cell holder |
| KR20120010387A (en) * | 2010-07-26 | 2012-02-03 | 이엔지테크놀러지 주식회사 | Adapter and Fluorescent Light Fixture Using the Same |
| WO2012063676A1 (en) * | 2010-11-08 | 2012-05-18 | シャープ株式会社 | Illumination device, display device and television receiverreception device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102818193A (en) * | 2012-08-20 | 2012-12-12 | 创维液晶器件(深圳)有限公司 | Direct type LED (light emitting diode) backlight module and display device of direct type LED backlight module |
| CN203395840U (en) * | 2013-08-15 | 2014-01-15 | 厦门华侨电子股份有限公司 | Fixing structure of reflector plate in light-emitting diode (LED) backlight module |
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Owner name: XIAMEN XIAHUA INVESTMENT CO., LTD. Free format text: FORMER OWNER: XIAMEN OVERSEAS CHINESE ELECTRONIC CO., LTD. Effective date: 20140617 |
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Effective date of registration: 20140617 Address after: 361000 Fujian, Xiamen Lake District, Jiahe Road, building 505, room five, room 618 Applicant after: Xiamen Xiahua Investment Co., Ltd. Address before: 361000 No. 22 Huli Avenue, Fujian, Xiamen Applicant before: Xiamen Overseas Chinese Electronic Co., Ltd. |
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Effective date of registration: 20170731 Address after: 361000, No. 618, Jiahe Road, Huli District, Fujian, Xiamen Patentee after: Xiamen Science and Technology Ltd. of Xiahua Address before: 361000 Fujian, Xiamen Lake District, Jiahe Road, building 505, room five, room 618 Patentee before: Xiamen Xiahua Investment Co., Ltd. |
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