CN203718519U - Backlight module and display device thereof - Google Patents
Backlight module and display device thereof Download PDFInfo
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- CN203718519U CN203718519U CN201320868995.4U CN201320868995U CN203718519U CN 203718519 U CN203718519 U CN 203718519U CN 201320868995 U CN201320868995 U CN 201320868995U CN 203718519 U CN203718519 U CN 203718519U
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- backlight module
- groove
- framework
- backlight
- utility
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- 239000004973 liquid crystal related substance Substances 0.000 abstract description 7
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 10
- 239000011159 matrix material Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 241000826860 Trapezium Species 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The utility model discloses a backlight module and a display device thereof. The backlight module comprises a backlight assembly and a frame body, wherein the frame body comprises a rear frame which surrounds the backlight module and a retaining wall which is integrally connected with the rear frame; a groove is formed in the inner side of the retaining wall and comprises an upper bottom surface, a lower bottom surface and side faces which are used for connecting the upper bottom surface and the lower bottom surface. Since the groove is formed in the retaining wall, emergent rays are reflected back to the backlight module or a display panel, and the condition that since the rays are emergent from the periphery of the backlight unit, the peripheral light leakage of a liquid crystal display device is caused is prevented.
Description
Technical field
The utility model relates to flat panel display, particularly a kind of backlight module and display unit thereof.
Background technology
The advantages such as frivolous, low in energy consumption and low radiation that liquid crystal indicator has, are widely used in various fields.Liquid crystal indicator generally includes display panels and back light unit assembly, and back light unit is mainly used in electric light source to become area source, to provide display panels enough brightness.
Existing back light unit generally includes framework, is arranged on LGP and blooming piece in framework, and a plurality of light sources are arranged on the incidence surface of LGP.For avoiding the light leakage phenomena of liquid crystal indicator periphery, conventionally in the surrounding of back light unit, paste black belt, prevent that light from, from the outgoing of back light unit surrounding, causing the periphery light leak of liquid crystal indicator.But the black matrix of display panels is because the restriction of manufacturing process can not be covered the edge of display panels completely, therefore, light from back light unit outgoing, still can be by the substrate of display panels, from display panels, not by all the other outgoing of the edge of black Matrix cover, cause liquid crystal indicator periphery light leak problem.
Utility model content
The utility model embodiment provides a kind of backlight module and display unit thereof.
In view of this, the utility model embodiment provides a kind of backlight module, comprising: backlight assembly; Framework, described framework comprises the afterframe around described backlight assembly, with the barricade being connected with described afterframe one, wherein, the inner side of described barricade is provided with groove, and described groove comprises upper bottom surface, bottom surface and the side that connects described upper bottom surface and described bottom surface.
Preferably, described groove is rectangle along the cross section perpendicular to described afterframe surface.
Preferably, described groove is trapezoidal along the cross section perpendicular to described afterframe surface.
Preferably, the angle between the side of described groove and described bottom surface is more than or equal to 45 ° and be less than or equal to 80 °.
Preferably, on the side of described groove, there are a plurality of micro-structurals.
Preferably, the cross section of described micro-structural is triangle.
Preferably, strip structure or the lattice structure for be arranged in array of described micro-structural for extending along described framework length direction.
Preferably, described groove is polygon, and the side of described groove comprises the first side and second side of reversed dip.
Preferably, described the first side is connected with described upper bottom surface, and described the second side is connected with described bottom surface, and described the first side cross-section length is greater than described the second side cross-section length.
Preferably, the in-plane angle of described the first side and described bottom surface is more than or equal to 70 ° and be less than or equal to 80 °.
The utility model also provides a kind of display unit, comprises above-mentioned backlight module; Display floater, is arranged on described backlight module.
Backlight module of the present utility model forms groove structure on the framework barricade of accommodating backlight assembly, when beam projecting is in groove, via upper bottom surface, bottom surface and sidewall in groove, light reflection is returned to backlight assembly or display floater, prevent that light from, from the outgoing of back light unit surrounding, causing the periphery light leak of liquid crystal indicator.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of display unit schematic diagram that the utility model embodiment provides;
Fig. 2 is the another kind of display unit schematic diagram that the utility model embodiment provides;
Fig. 3 is the another kind of display unit schematic diagram that the utility model embodiment provides;
Fig. 4 is the another kind of display unit schematic diagram that the utility model embodiment provides;
Fig. 5 is the another kind of display unit schematic diagram that the utility model embodiment provides.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is a kind of display unit schematic diagram that the utility model embodiment provides.As shown in Figure 1, display unit comprises backlight module and display floater.Backlight module is specifically comprised of backlight assembly and framework 11.Backlight assembly comprises LGP 12, be arranged on the blooming piece 12 on LGP 12 and be arranged on the reflector plate 13 of LGP below, also comprise the light source (not shown) that is arranged on LGP 12 light inlet sides, wherein, blooming piece 12 can comprise Multilayer Film, such as: diffusion sheet, prismatic lens etc.Framework 11 is rectangular, be centered around the surrounding of backlight assembly, be used for supporting fixedly backlight assembly, framework 11 specifically comprises the afterframe around backlight assembly, with the barricade being connected with described afterframe one, wherein, in the inner side of barricade, be provided with a groove 110, groove 110 is rectangular configuration along the cross section perpendicular to afterframe surface, and groove 110 comprises upper bottom surface 111, the bottom surface 112 relative with upper bottom surface and the side 113 that connects described upper bottom surface and described bottom surface.Above backlight assembly, be provided with display floater, display floater comprises infrabasal plate 21, the upper substrate 22 being oppositely arranged with infrabasal plate, and be attached to the lower polaroid 23 on infrabasal plate 21 and be attached to the upper polaroid 24 on upper substrate 22, display floater be arranged on equally framework 11 around accommodation space in, by framework 11, supported and fixed display panel.
Owing to being provided with groove 110 on the barricade in framework 11, when light is during from the periphery of backlight assembly or from the outgoing of display floater infrabasal plate side, internal refraction via bottom surface 112, upper bottom surface 111 and the side 113 of groove 110, turn back to again backlight module or display floater inner, avoid light directly from backlight module edge, to send, cause the periphery light leak of display unit.
For further improving the periphery shaded effect of display unit, can also in the surrounding of backlight module, attach the shading rubber belt 14 of a circle black, coordinate the black matrix 25 of display floater edge surrounding, can better prevent the periphery light leak problem of display unit.
Fig. 2 is the another kind of display unit schematic diagram that the utility model embodiment provides.Display unit in the present embodiment comprises display floater and backlight module equally.On the barricade of the framework 11 of the backlight module in the present embodiment, be provided with groove 110, groove 110 is rectangular configuration along the cross section perpendicular to afterframe surface, and groove 110 comprises upper bottom surface 111, the bottom surface 112 relative with upper bottom surface and the side 113 that connects described upper bottom surface and described bottom surface.Be with the difference of Fig. 1 display device structure, on the side 113 of groove 110, be also provided with a plurality of micro-structurals 114, the cross section of this micro-structural 114 is triangle, and micro-structural 114 can be strip structure or the lattice structure for being arranged in array of extending along framework length direction.Certainly, the cross section of micro-structural 114 can also be arbitrary shape.In the side 113 of groove 110, a plurality of micro-structurals 114 are set and can increase the scattering degree that shines side 113 light, further prevent the periphery light leak of display unit.
Fig. 3 is the another kind of display unit schematic diagram that the utility model embodiment provides.Display unit in the present embodiment comprises display floater and backlight module equally.On the barricade of the framework 11 of the backlight module in the present embodiment, be provided with groove 110, be with the difference of Fig. 1 display device structure, groove 110 is trapezium structure along the cross section perpendicular to afterframe surface, and groove 110 comprises upper bottom surface 111, the bottom surface 112 relative with upper bottom surface and the side 113 that connects described upper bottom surface and described bottom surface.The angle α forming between the side 113 of groove 110 and bottom surface 112 is more than or equal to 45 ° and be less than or equal to 80 °.Like this, when shine the light of side 113 from backlight module or display floater, via an inclined-plane to afterframe direction, the side of comparing perpendicular to afterframe can, greatly by emergent ray bounce back backlight assembly or display floater, better prevent the periphery light leak of display unit.
Fig. 4 is the another kind of display unit schematic diagram that the utility model embodiment provides.In the present embodiment, display unit comprises display floater and backlight module equally.On the barricade of the framework 11 of the backlight module in the present embodiment, be provided with groove 110, groove 110 is trapezium structure along the cross section perpendicular to afterframe surface, and groove 110 comprises upper bottom surface 111, the bottom surface 112 relative with upper bottom surface and the side 113 that connects described upper bottom surface and described bottom surface.The angle α forming between the side 113 of groove 110 and bottom surface 112 is more than or equal to 45 ° and be less than or equal to 80 °.Be with Fig. 3 display unit difference, on the side 113 of groove 110, be also provided with a plurality of micro-structurals 114, the cross section of this micro-structural 114 is triangle, and micro-structural 114 can be strip structure or the lattice structure for being arranged in array of extending along framework length direction.Certainly, the cross section of micro-structural 114 can also be arbitrary shape.In the side 113 of groove 110, a plurality of micro-structurals 114 are set and can increase the scattering degree that shines side 113 light, further prevent the periphery light leak of display unit.
Fig. 5 is the another kind of display unit schematic diagram that the utility model embodiment provides.Display unit in the present embodiment comprises display floater and backlight module equally.On the barricade of the framework 11 of the backlight module in the present embodiment, be provided with groove 110, be with the difference of Fig. 1 display device structure, groove 110 is polygonized structure along the cross section perpendicular to afterframe surface.As shown in Figure 5, be that groove 110 comprises upper bottom surface 111, the bottom surface 112 relative with upper bottom surface and the side that connects described upper bottom surface and described bottom surface, the first side 113 and the second side 114 that wherein side is reversed dip, the first side 113 is connected with upper bottom surface 111, the second side 114 is connected with bottom surface 112, and the first side 113 cross-sectional length are greater than the second side 114 cross-sectional length.Can guarantee that like this first side 113 by the inclined-plane to afterframe direction turns back to backlight module or display floater from most of light of backlight module or display floater outgoing.Meanwhile, the in-plane angle β that the first side 113 and bottom surface 112 be set is more than or equal to 70 ° and be less than or equal to 80, can, greatly by emergent ray bounce back backlight assembly or display floater, better prevent the periphery light leak of display unit
It should be noted that, the foregoing is only a kind of of each embodiment, the utility model can all arrange groove 110 on the surrounding barricade of framework 11, or only on the barricade on framework 11 relative both sides, groove 110 is set, or only on framework 11 barricade on one side, groove 110 is set.Groove 110 on framework 11 each side bumper wall can be also continuous strip groove, can be also discontinuous intermittent grooves structure.
The backlight module and the display unit thereof that above the utility model embodiment are provided are described in detail, applied specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (10)
1. a backlight module, comprising:
Backlight assembly;
Framework, described framework comprises the afterframe around described backlight assembly, with the barricade being connected with described afterframe one, wherein, the inner side of described barricade is provided with groove, and described groove comprises upper bottom surface, bottom surface and the side that connects described upper bottom surface and described bottom surface.
2. backlight module as claimed in claim 1, is characterized in that, described groove is rectangle or trapezoidal along the cross section perpendicular to described afterframe surface.
3. backlight module as claimed in claim 2, is characterized in that, the angle between the side of described groove and described bottom surface is more than or equal to 45 ° and be less than or equal to 80 °.
4. backlight module as claimed in claim 2, is characterized in that, has a plurality of micro-structurals on the side of described groove.
5. backlight module as claimed in claim 4, is characterized in that, the cross section of described micro-structural is triangle.
6. backlight module as claimed in claim 5, is characterized in that, strip structure or the lattice structure for be arranged in array of described micro-structural for extending along described framework length direction.
7. backlight module as claimed in claim 1, is characterized in that, described groove is polygon, and the side of described groove comprises the first side and second side of reversed dip.
8. backlight module as claimed in claim 7, is characterized in that, described the first side is connected with described upper bottom surface, and described the second side is connected with described bottom surface, and described the first side cross-section length is greater than described the second side cross-section length.
9. backlight module as claimed in claim 7, is characterized in that, the in-plane angle of described the first side and described bottom surface is more than or equal to 70 ° and be less than or equal to 80 °.
10. a display unit, comprises the backlight module as described in any one in claim 1～9; Display floater, is arranged on described backlight module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868995.4U CN203718519U (en) | 2013-12-26 | 2013-12-26 | Backlight module and display device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320868995.4U CN203718519U (en) | 2013-12-26 | 2013-12-26 | Backlight module and display device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN203718519U true CN203718519U (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320868995.4U Expired - Lifetime CN203718519U (en) | 2013-12-26 | 2013-12-26 | Backlight module and display device thereof |
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| CN (1) | CN203718519U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456327A (en) * | 2014-12-24 | 2015-03-25 | 合肥鑫晟光电科技有限公司 | Backlight module and display device |
| CN106920467A (en) * | 2015-12-28 | 2017-07-04 | 群创光电股份有限公司 | Display device |
| CN110673389A (en) * | 2019-09-09 | 2020-01-10 | 武汉华星光电技术有限公司 | Backlight module and display device |
-
2013
- 2013-12-26 CN CN201320868995.4U patent/CN203718519U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456327A (en) * | 2014-12-24 | 2015-03-25 | 合肥鑫晟光电科技有限公司 | Backlight module and display device |
| CN104456327B (en) * | 2014-12-24 | 2017-10-10 | 合肥鑫晟光电科技有限公司 | A kind of backlight module and display device |
| US10018773B2 (en) | 2014-12-24 | 2018-07-10 | Boe Technology Group Co., Ltd. | Backlight module and display device |
| CN106920467A (en) * | 2015-12-28 | 2017-07-04 | 群创光电股份有限公司 | Display device |
| CN110673389A (en) * | 2019-09-09 | 2020-01-10 | 武汉华星光电技术有限公司 | Backlight module and display device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |
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| CX01 | Expiry of patent term |