CN204494231U - Backboard, backlight module and liquid crystal display - Google Patents
Backboard, backlight module and liquid crystal display Download PDFInfo
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- CN204494231U CN204494231U CN201520216174.1U CN201520216174U CN204494231U CN 204494231 U CN204494231 U CN 204494231U CN 201520216174 U CN201520216174 U CN 201520216174U CN 204494231 U CN204494231 U CN 204494231U
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- heat sink
- backboard
- light guide
- front surface
- guide plate
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Abstract
The utility model relates to Display Technique field, discloses a kind of backlight module, comprising: light guide plate, LED lamp bar and backboard, and described backboard comprises heat sink and loading plate, fits and overlap in a part for the front surface of described heat sink and the rear surface of described loading plate; Described light guide plate is located at the front surface of described backboard, and described LED lamp bar is located at the side of described light guide plate, and fits with the front surface of described heat sink; The front surface of described light guide plate is provided with blooming piece, is provided with reflector plate between the rear surface of described light guide plate and the front surface of backboard.In the utility model, the heat sink laminating of backboard is overlapped in the rear surface of loading plate, and the heat transfer that LED lamp bar produces is to heat sink, air flowing can act directly on heat sink, heat directly sheds from heat sink, does not need to shed through iron plate again, good heat dissipation effect.
Description
Technical field
The utility model relates to Display Technique field, particularly relates to a kind of backboard, backlight module and liquid crystal display.
Background technology
As shown in Figure 1, the backlight module of prior art comprises backboard 101, light guide plate 102, LED lamp bar 103, reflector plate 104, prismatic lens 105 and diffusion sheet 106, reflector plate 104, backlight 102, prismatic lens 105 and diffusion sheet 106 are stacked in backboard 101 front surface successively, and LED lamp bar 103 is located at the side of light guide plate 102.Backboard 101 comprises iron backboard 111 and aluminium backboard 112, and aluminium backboard 112 laminating is loaded on iron backboard 111 front surface, and aluminium backboard 112 fits with LED lamp bar 103 and is connected, and the heat of LED lamp bar 103 generation is outwards conducted by aluminium backboard 112, for a thermolysis.But in the backlight module of prior art, because the front surface of iron backboard 111 is located at by aluminium backboard 112, radiating effect is poor, heat effectively cannot shed and can conduct on film material (reflector plate etc.), cause the temperature distortion of film material to produce fold, and LED lamp bar 103 also can reduce because of the bad life-span of dispelling the heat.Tradition module is also comparatively complicated on packaging technology, just carries out, and easily causes film material secondary bad, maintenance cost is increased if change LED lamp bar in maintenance process with regard to needs after all film material dismountings.
Utility model content
(1) technical problem that will solve
The purpose of this utility model is to provide a kind of backboard of good heat dissipation effect, solves prior art because of backboard weak heat-dissipating to cause the temperature distortion of film material to produce the problem of fold and LED lamp bar service life reduction, and provides a kind of backlight module and liquid crystal display further.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of backboard, comprises heat sink and loading plate, fits and overlap in a part for the front surface of described heat sink and the rear surface of described loading plate.
The utility model also provides a kind of backlight module, comprising: light guide plate, LED lamp bar and backboard, and described backboard comprises heat sink and loading plate, fits and overlap in a part for the front surface of described heat sink and the rear surface of described loading plate; Described light guide plate is located at the front surface of described backboard, and described LED lamp bar is located at the side of described light guide plate, and fits with the front surface of described heat sink; The front surface of described light guide plate is provided with blooming piece, is provided with reflector plate between the rear surface of described light guide plate and the front surface of backboard.
Wherein, described heat sink is provided with some grooves, and described LED lamp bar is installed in groove described in one of them.
Wherein, described heat sink is made up of aluminum.
Wherein, described loading plate is made up of iron material.
The utility model also provides a kind of liquid crystal display, comprises front frame, center, after-frame, liquid-crystalline glasses and the backlight module described in above-mentioned any one, and described center is embedded in described front frame, and clamps described liquid-crystalline glasses with described front frame; Described front frame and after-frame are interlocked and form the installing space of accommodation backlight module, and described backlight module is located in installing space, and the front surface of described light guide plate is toward liquid-crystalline glasses.
(3) beneficial effect
The backboard that the utility model provides, backlight module and LCDs, the front surface laminating of the heat sink of backboard is overlapped in the rear surface of loading plate, the heat conduction that LED lamp bar produces is to heat sink, air flowing can act directly on heat sink, heat directly sheds from heat sink, do not need to shed again through loading plate, good heat dissipation effect; Heat sink is overlapped on the rear surface of loading plate, effectively reduces or avoids contacting with film material, and the more effective heat conduction that prevents of energy is on film material like this, prevents film material fold.Due to good heat dissipation effect, the temperature of LED lamp bar reduces, and the damage that can reduce LED lamp bar may.
Accompanying drawing explanation
Fig. 1 is the phantom of the embodiment of the backlight module of prior art;
Fig. 2 is the phantom of the embodiment of backboard of the present utility model;
Fig. 3 is the phantom of the embodiment of backlight module of the present utility model;
The explosive view of the embodiment of Fig. 4 liquid crystal display of the present utility model;
Fig. 5 is the phantom of the embodiment of liquid crystal display of the present utility model.
In figure, 101: backboard; 102: light guide plate; 103:LED lamp bar; 104: reflector plate; 105: prismatic lens; 106: diffusion sheet; 111: iron backboard; 112: aluminium backboard; 1: loading plate; 2: heat sink; 3:LED lamp bar; 4: reflector plate; 5: light guide plate; 6: blooming piece; 7: liquid-crystalline glasses; 8: center; 9: front frame; 10: backboard.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following instance for illustration of the utility model, but is not used for limiting scope of the present utility model.
With reference to shown in Fig. 2, backboard 12 of the present utility model, comprises heat sink 2 and loading plate 1, fits and overlap in a part for the front surface of heat sink 2 and the rear surface of loading plate 1.Preferably, with reference to shown in Fig. 2, further, heat sink 2 is made up of aluminum, and loading plate 1 is made up of iron material.
With reference to shown in Fig. 3, backlight module of the present utility model, comprising: light guide plate 5, LED lamp bar 3 and backboard 12, and backboard 12 comprises heat sink 2 and loading plate 1, fits and overlap in a part for the front surface of heat sink 2 and the rear surface of loading plate 1.Light guide plate 5 is located at the front surface of backboard 12, and LED lamp bar 3 is located at the side of light guide plate 5, and fits with the front surface of heat sink 2.LED lamp bar 3 is located at the side of light guide plate 5, parallels with light guide plate 5, for injecting light to light guide plate 5.The front surface of light guide plate 5 is provided with blooming piece 6, is provided with reflector plate 4 between the rear surface of light guide plate 8 and the front surface of backboard 12.Wherein, in the present embodiment, blooming piece 6 comprises prismatic lens and diffusion sheet, and prismatic lens and diffusion sheet are affixed on the front surface of light guide plate 5 successively.
Backlight module of the present utility model, the front surface laminating of the heat sink 2 of backboard 12 is overlapped in the rear surface of loading plate 1, the heat conduction that LED lamp bar 3 produces is to heat sink 2, air flowing can act directly on heat sink 1, heat directly sheds from heat sink 2, do not need to shed again through loading plate 1, good heat dissipation effect; Heat sink 2 is overlapped on the rear surface of loading plate 1, effectively reduces or avoids contacting with film material, and the more effective heat conduction that prevents of energy is on film material like this, prevents film material fold.Due to good heat dissipation effect, the temperature of LED lamp bar 3 reduces, and the damage that can reduce LED lamp bar 3 may.Meanwhile, in packaging technology, when mounted LED lamp bar 3, first light guide plate 5 and reflector plate 4 etc. can be installed on the front surface of loading plate, LED lamp bar 3 be installed on the front surface of heat sink 2.When dismounting and change LED lamp bar 3, only need to remove heat sink 2 and can change LED lamp bar 3, it is convenient to keep in repair, more reduce maintenance cost, and in Renewal process, no longer need to remove whole backboard 12, avoid scratching reflector plate 4 and light guide plate 5 etc., increase the security of maintenance.
Preferably, as shown in Figure 3, heat sink 2 is provided with some grooves, and LED lamp bar 3 is installed in one of them groove, and increase the contact area of LED lamp bar 3 and heat sink 2, the heat that LED lamp bar 3 is produced is transmitted to heat sink preferably.As shown in the figure, heat sink 2 offers two grooves, make the section of heat sink be class "Ji" type structure, add area of dissipation, improve radiating effect.Further, heat sink 2 selects the material of perfect heat-dissipating to make, and is preferably made up of aluminum.Loading plate 1 preferably adopts the cheap material that load bearing effect is good again to make, and is preferably made up of iron material.
With reference to shown in Fig. 4, liquid crystal display of the present utility model, comprise front frame 9, center 8, after-frame (scheming not shown), liquid-crystalline glasses 7 and backlight module described above, center 8 is embedded in front frame 9, and clamps liquid-crystalline glasses 7 with front frame 9.Front frame 9 and after-frame are interlocked and form the installing space of accommodation backlight module, and backlight module is located in installing space, and the front surface of light guide plate 5 is toward liquid-crystalline glasses.
Liquid crystal display of the present utility model, the good heat dissipation effect of LED lamp bar, meanwhile, is convenient to change LED lamp bar, improves the convenience of maintenance.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a backboard, is characterized in that, comprises heat sink and loading plate, fits and overlap in a part for the front surface of described heat sink and the rear surface of described loading plate.
2. a backlight module, is characterized in that, comprising: light guide plate, LED lamp bar and backboard, and described backboard comprises heat sink and loading plate, fits and overlap in a part for the front surface of described heat sink and the rear surface of described loading plate; Described light guide plate is located at the front surface of described backboard, and described LED lamp bar is located at the side of described light guide plate, and fits with the front surface of described heat sink; The front surface of described light guide plate is provided with blooming piece, is provided with reflector plate between the rear surface of described light guide plate and the front surface of backboard.
3. backlight module as claimed in claim 2, it is characterized in that, described heat sink is provided with some grooves, and described LED lamp bar is installed in groove described in one of them.
4. backlight module as claimed in claim 2, it is characterized in that, described heat sink is made up of aluminum.
5. backlight module as claimed in claim 2, it is characterized in that, described loading plate is made up of iron material.
6. a liquid crystal display, is characterized in that, comprises front frame, center, after-frame, liquid-crystalline glasses and the backlight module described in any one of claim 2 to 5, and described center is embedded in described front frame, and clamps described liquid-crystalline glasses with described front frame; Described front frame and after-frame are interlocked and form the installing space of accommodation backlight module, and described backlight module is located in installing space, and the front surface of described light guide plate is toward liquid-crystalline glasses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520216174.1U CN204494231U (en) | 2015-04-10 | 2015-04-10 | Backboard, backlight module and liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520216174.1U CN204494231U (en) | 2015-04-10 | 2015-04-10 | Backboard, backlight module and liquid crystal display |
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| Publication Number | Publication Date |
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| CN204494231U true CN204494231U (en) | 2015-07-22 |
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| CN201520216174.1U Active CN204494231U (en) | 2015-04-10 | 2015-04-10 | Backboard, backlight module and liquid crystal display |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105652359A (en) * | 2015-11-06 | 2016-06-08 | 乐视致新电子科技（天津）有限公司 | Light guide module group and display apparatus comprising the light guide module group |
| CN106096693A (en) * | 2016-06-23 | 2016-11-09 | 曾桓涛 | Team Member based on Quick Response Code device for displaying information |
| CN109031793A (en) * | 2018-10-15 | 2018-12-18 | 四川长虹电器股份有限公司 | Liquid crystal display |
| CN109283611A (en) * | 2018-10-22 | 2019-01-29 | 东莞市银泰丰光学科技有限公司 | A kind of guide-lighting mould group and preparation method thereof using ITO conduction |
| CN110678054A (en) * | 2019-11-19 | 2020-01-10 | 深圳市铁幕电子竞技科技有限公司 | High-efficiency heat dissipation display structure, assembly method and product |
| CN111429817A (en) * | 2020-04-30 | 2020-07-17 | 京东方科技集团股份有限公司 | Mini L ED module and display device |
| CN113056176A (en) * | 2021-03-22 | 2021-06-29 | 京东方科技集团股份有限公司 | Heat dissipation framework and display device |
| US11822116B1 (en) | 2022-08-24 | 2023-11-21 | HKC Corporation Limited | Display device and backlight module thereof including radiator with heat absorption part, condensation part, and pipe |
-
2015
- 2015-04-10 CN CN201520216174.1U patent/CN204494231U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105652359A (en) * | 2015-11-06 | 2016-06-08 | 乐视致新电子科技（天津）有限公司 | Light guide module group and display apparatus comprising the light guide module group |
| WO2017076008A1 (en) * | 2015-11-06 | 2017-05-11 | 乐视控股（北京）有限公司 | Light guide module and display device comprising light guide module |
| CN106096693A (en) * | 2016-06-23 | 2016-11-09 | 曾桓涛 | Team Member based on Quick Response Code device for displaying information |
| CN109031793A (en) * | 2018-10-15 | 2018-12-18 | 四川长虹电器股份有限公司 | Liquid crystal display |
| CN109031793B (en) * | 2018-10-15 | 2024-02-06 | 四川长虹电器股份有限公司 | Liquid crystal display device having a light shielding layer |
| CN109283611A (en) * | 2018-10-22 | 2019-01-29 | 东莞市银泰丰光学科技有限公司 | A kind of guide-lighting mould group and preparation method thereof using ITO conduction |
| CN110678054A (en) * | 2019-11-19 | 2020-01-10 | 深圳市铁幕电子竞技科技有限公司 | High-efficiency heat dissipation display structure, assembly method and product |
| CN111429817A (en) * | 2020-04-30 | 2020-07-17 | 京东方科技集团股份有限公司 | Mini L ED module and display device |
| CN113056176A (en) * | 2021-03-22 | 2021-06-29 | 京东方科技集团股份有限公司 | Heat dissipation framework and display device |
| CN113056176B (en) * | 2021-03-22 | 2023-03-14 | 京东方科技集团股份有限公司 | Heat dissipation framework and display device |
| US11822116B1 (en) | 2022-08-24 | 2023-11-21 | HKC Corporation Limited | Display device and backlight module thereof including radiator with heat absorption part, condensation part, and pipe |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160128 Address after: 215200 Wujiang City, Jiangsu Province Song Ling Zhen Zhongshan North Road No. 1700 Patentee after: K-TRONICS (SUZHOU) TECHNOLOGY CO., LTD. Patentee after: BOE Technology Group Co., Ltd. Address before: Economic and Technological Development Zone 100176 Beijing Zelu 11 Patentee before: Beijing BOE Vision Electron Technological Co., Ltd. Patentee before: BOE Technology Group Co., Ltd. |