CN203223860U - Optical membrane, backlight module and display device - Google Patents
Optical membrane, backlight module and display device Download PDFInfo
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- CN203223860U CN203223860U CN 201320266482 CN201320266482U CN203223860U CN 203223860 U CN203223860 U CN 203223860U CN 201320266482 CN201320266482 CN 201320266482 CN 201320266482 U CN201320266482 U CN 201320266482U CN 203223860 U CN203223860 U CN 203223860U
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- blooming piece
- shielding part
- light shielding
- light
- backboard
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Abstract
The utility model relates to the technical field of liquid crystal display, in particular to an optical membrane, a backlight module and a display device. The optical membrane is provided with a shading portion. The shading portion is used for shading gaps among other optical membranes of an optical membrane set where the optical membrane belongs and components adjacent to the optical membrane set in the horizontal direction. The optical membrane, the backlight module and the display device have the following advantages that the optical membrane with the shading portion is adopted so as to be in lap joint with the components adjacent to the optical membrane set, the gaps among the optical membrane set and the components adjacent to the optical membrane set are shaded through the shading portion, so that the phenomenon that light is leaked from the gaps when the backlight module is used is avoided, and the display effect of the display device is improved.
Description
Technical field
The utility model relates to technical field of liquid crystal display, specially refers to a kind of blooming piece, module backlight and display unit.
Background technology
Module backlight is as the vitals in the display unit, and its development degree affects the size of display unit always.In order to realize the slimming of display unit, existing display unit adopts the side entrance back source as light source usually.
As shown in Figure 1, Fig. 1 is the structural representation of display unit of the prior art.The display panels 60 that display unit of the prior art comprises module backlight and is arranged at module backlight top, module backlight comprises: backboard 10, the sidewall of backboard 10 has the bending structure, and be arranged at LGP 40 in the backboard 10, lamp bar 20, lamp bar reflector plate 30 and optical diaphragm group 50, wherein, optical diaphragm group 50 is arranged at the top of LGP 40, lamp bar 20 is arranged at backboard 10 sidewalls relative with LGP 40 side end faces, lamp bar reflector plate 30 is arranged at the bending structure place of backboard 10 sidewalls of lamp bar 20 tops, and expose in the outside that lamp bar reflector plate 30 extends to the bending structure.In use, the light that lamp bar 20 in the module backlight irradiates diffuses into area source through LGP 40, further be coupled by the 50 pairs of light of optical diaphragm group that are arranged at LGP 40 tops again, make the light vertical irradiation to display panels 60, thereby make the display unit can display frame.When launching light, the lamp bar 20 of module backlight also gives out a large amount of heats, can cause optical diaphragm group 50 expanded by heating in the module backlight, therefore, the situation that occurs the expanded by heating protuberance for fear of optical diaphragm group 50, simultaneously in order to improve the assembly precision of optical diaphragm group 50, reduce rigging error, as shown in Figure 2, Fig. 2 is the partial enlarged drawing at A place among Fig. 1, when module backlight assembling, can between optical diaphragm group 50 and adjacent parts the bending structure of lamp bar reflector plate 30 or backboard 10 sidewalls (for example for), reserve certain clearance 70.
The defective that prior art exists is, because module backlight is in when assembling, can stay certain clearance between optical diaphragm group and the adjacent parts, when module use backlight, module light leak backlight is inevitably caused in the gap, thereby has influence on the display effect of display unit.
The utility model content
The utility model provides a kind of blooming piece, module backlight and display unit, in order to avoid module light leak backlight, improves the display effect of display unit.
The blooming piece that the utility model provides, described blooming piece has light shielding part, and described light shielding part blocks other blooming pieces and the gap between the parts adjacent with described optical diaphragm group in the horizontal direction in the optical diaphragm group under the described blooming piece.Here suppose the blooming piece placement in the horizontal direction, that is, described horizontal direction refers to the bearing of trend of described blooming piece.
Preferably, described light shielding part has light shield layer, and described light shield layer is black light-absorbing layer or reflecting layer.
Preferably, described light shield layer is the shading rubber belt that is attached at the light shielding part place of described blooming piece, or is the light screening material that is painted on the light shielding part place of described blooming piece.
Preferably, described blooming piece is diffusion sheet, prismatic lens, composite prism sheet and/or microlens array diaphragm.
The utility model is a kind of module backlight also, comprise backboard, be arranged at the LGP in the backboard, be arranged at the optical diaphragm group of LGP top, and the lamp bar that is arranged at the backboard side-walls relative with the LGP side end face, wherein, described backboard sidewall has adjacent with described optical diaphragm group and cover the part of described LGP and the bending structure of lamp bar in the horizontal direction, and described optical diaphragm group comprises above-mentioned each described blooming piece.
Selectable, the light shielding part of described blooming piece is overlapped in the bending structure of described backboard sidewall.
Selectable, described module backlight also comprises the lamp bar reflector plate that is arranged at backboard sidewall bending structure place and is positioned at the LGP top, and the light shielding part of described blooming piece is overlapped in described lamp bar reflector plate.
The utility model also provides a kind of display unit, the display panels that comprises above-mentioned any module backlight and be arranged at described module backlight top.
Preferably, when described light shielding part had light shield layer, described light shield layer was positioned at light shielding part towards the one side of described display panels.
The utility model beneficial effect is as follows: adopt the blooming piece that has light shielding part to be overlapped on the parts adjacent with described optical diaphragm group, shelter from optical diaphragm group with the gap between the parts adjacent with described optical diaphragm group by light shielding part, having improved module backlight occurs having improved the display effect of display unit from the phenomenon of the light leak of gap generation in use.
Description of drawings
Fig. 1 is the structural representation of display unit in the prior art;
Fig. 2 is the partial enlarged drawing at A place among Fig. 1;
The structural representation of the blooming piece that Fig. 3 provides for an embodiment of the present utility model;
The use view of the blooming piece that Fig. 4 provides for an embodiment of the present utility model;
The structural representation of the display unit that Fig. 5 provides for an enforcement of the present utility model;
Fig. 6 is the partial enlarged drawing at B place among Fig. 4.
Reference numeral:
10-backboard 20-lamp bar 30-lamp bar reflector plate
40-LGP 50-optical diaphragm group 60-display panels
70-gap 80-blooming piece 81-light shielding part
The specific embodiment
Occur light leak in use for fear of module backlight, improve the display effect of display unit, an embodiment of the present utility model provides a kind of blooming piece, module backlight and display unit.In the technical solution of the utility model, the blooming piece that has a light shielding part by employing be overlapped in described blooming piece under the adjacent parts of optical diaphragm group (for example be the lamp bar reflector plate of module backlight, perhaps be the bending structure of backboard) on, thereby sheltered from the gap of stating between optical diaphragm group and the described adjacent component (for example lamp bar reflector plate or bending structure), improve the phenomenon that light leak appears in module backlight in use, improved the display effect of display unit.For making the purpose of this utility model, technical scheme and advantage clearer, below be that example is described in further detail the utility model with the non-restrictive example.
As shown in Figure 3 and Figure 4, the structural representation of the blooming piece that provides for an embodiment of the present utility model of Fig. 3; The use view of the blooming piece that Fig. 4 provides for an embodiment of the present utility model.
A kind of blooming piece 80 that the utility model embodiment provides, described blooming piece 80 has light shielding part 81, and described light shielding part 81 blocks other blooming pieces outside the blooming piece 80 in the optical diaphragm group 50 and the gap 70 between the parts adjacent with optical diaphragm group 50 (for example for the lamp bar reflector plate 30 of module backlight or be the bending structure of backboard 10) in the horizontal direction.
In the above-described embodiments, adopt the blooming piece 80 have light shielding part 81 to block described optical diaphragm group 50 and its gap 70 between the adjacent parts in the horizontal direction.70 places spill in the gap to have avoided light that lamp bar 20 irradiates, have solved the problem that light leak appears in module backlight in use, have improved the display effect of display unit.
Continuation is with reference to figure 4, more preferably, in the above-described embodiments, blooming piece 80 with and blooming piece 80 is adjacent in the horizontal direction parts between also have certain clearance, therefore, when module backlight used, blooming piece 80 can not swell because expanded by heating occurring, improve the shaded effect of blooming piece 80, further improved the display effect of display unit.
In the above-described embodiments, the light shielding part 81 of blooming piece 80 has light shield layer, and light shield layer can be different light-shielding structures, only need satisfy the light that spills by gap 70 can be sheltered to get final product.Selectable, described light shield layer is that black light-absorbing layer or light shield layer are the reflecting layer.
When light shield layer was the black light-absorbing layer, the black light-absorbing layer can be arranged at the one or both sides of appointing that are positioned at light shielding part, has preferable shaded effect.
When light shield layer is the reflecting layer, the reflecting surface in its reflecting layer is towards the gap 70, the light that irradiates when lamp bar 20 is during by gap 70, the light that spills reflects after being radiated at the reflecting layer, light is reflexed in the LGP 40, after repeatedly reflecting and/or reflecting, still propagate in the display panels 60, prevention that can not only be good module light leak backlight like this, can also avoid the loss of light, the light that lamp bar 20 is irradiated can be applied to illuminate display panels 60 to greatest extent, has further improved the display effect of display unit.
In the above-described embodiments, light shield layer can adopt different structures, both can adopt shading rubber belt to be attached at the light shielding part 81 of blooming piece 80, also can adopt light screening material to be painted on the light shielding part 81 of blooming piece 80, the producer can adopt different light shield layers according to different situations, so that the production of blooming piece 80.
In the above-described embodiments, blooming piece 80 can be various blooming pieces, as: diffusion sheet, prismatic lens, composite prism sheet or microlens array diaphragm, only need make the light shielding part 81 of blooming piece 80 shelter from other blooming pieces in the optical diaphragm group 50 and its and can realize avoiding module light leak backlight in the gap 70 between the adjacent parts in the horizontal direction, improve the display effect of display unit.
Continuation is with reference to figure 4, the utility model embodiment also provides a kind of module backlight, comprise backboard 10, be arranged at the LGP 40 in the backboard 10, be arranged at the optical diaphragm group 50 of LGP 40 tops, and the lamp bar 20 that is arranged at backboard 10 side-walls relative with LGP 40 side end faces, wherein, described backboard 10 sidewalls have in the horizontal direction adjacent with described optical diaphragm group 50 and cover the part of described LGP 40 and the bending structure of lamp bar 20, and described optical diaphragm group 50 comprises above-mentioned each described blooming piece 80.
In the above-described embodiments, selectable, the light shielding part 81 of described blooming piece 80 is overlapped in the bending structure of described backboard 10 sidewalls, and described bending structure and described optical diaphragm group 50 are adjacent and coat a part and the lamp bar 20 of described LGP 40.Be overlapped in the bending structure of backboard 10 sidewalls by the light shielding part 81 of blooming piece 80, thereby light shielding part 81 has been blocked in the optical diaphragm group 50 in the blooming piece below the blooming piece 80 and its gap 70 between the adjacent parts in the horizontal direction, avoided module light leak backlight.
In the above-described embodiments, selectable, described module backlight also comprises the lamp bar reflector plate 30 that is arranged at backboard 10 sidewall bending structures and is positioned at LGP 40 tops, and the light shielding part 81 of described blooming piece 80 is overlapped in described lamp bar reflector plate 30.Thereby light shielding part 81 has been blocked in the optical diaphragm group 50 in the diaphragm below the blooming piece 80 and its gap 70 between the adjacent parts in the horizontal direction, avoided module light leak backlight.
In the above-described embodiments, optical diaphragm group 50 in the module backlight can comprise different types of multiple blooming piece 80, but only need guarantee that its blooming piece 80 that is positioned at the top has light shielding part 81 and can realize avoiding module light leak backlight, improve the display effect of display unit.As: optical diaphragm group 50 comprises: first diffuser plate, prismatic lens, composite prism sheet, second diffuser plate of arranging arbitrarily from top to bottom, composite prism sheet described here is for example for comprising the diaphragm of multiple prism or the diaphragm that is laminated by the diaphragm that comprises multiple prism.When first diffuser plate was positioned at top layer, it had the light shielding part 81 of avoiding module light leak backlight; When the composite prism sheet was positioned at top layer, it had the light shielding part 81 of avoiding module light leak backlight; When prismatic lens is positioned at top layer, has the light shielding part 81 of avoiding module light leak backlight; When second diffuser plate was positioned at top layer, it had the light shielding part 81 of avoiding module light leak backlight.The different blooming piece 80 that has according to optical diaphragm group 50 with and put in order, only need be positioned at top layer blooming piece 80 and have light shielding part 81 and can avoid module light leak backlight, improve the display effect of display unit.Certainly, if a plurality of in the above-mentioned blooming piece have a light shielding part, shaded effect can be better.The producer can select different blooming pieces 80 to process light shielding part 81 according to the practical condition of oneself.
As shown in Figure 5, the structural representation of the display unit that Fig. 5 provides for the utility model embodiment, the utility model embodiment also provides a kind of display unit, the display panels 60 that comprises above-mentioned module backlight and be arranged at described module backlight top.As shown in Figure 6, Fig. 6 is the partial enlarged drawing at B place among Fig. 5.Adopt the blooming piece 80 with light shielding part 81 to shelter from gap 70 in the module backlight, improved the phenomenon that light leak appears in module backlight in use, thereby improved the display effect of display unit.
In the above-described embodiments, light shield layer can be arranged at the diverse location of light shielding part 81, as long as the light that spills by gap 70 can be sheltered from, avoids module light leak backlight to get final product, as: light shield layer is positioned at light shielding part 81 towards the one side of display panels 60; Light shield layer is positioned at light shielding part 81 one side of display panels 60 dorsad; Or be positioned at light shielding part 81 towards being equipped with light shield layer with the two sides of display panels 60 dorsad; The producer can select different positions that light shield layer is set according to the condition of production of reality.Preferable described light shield layer is arranged at light shielding part towards the one side of display panels 60, avoided light shield layer to contact with backboard 10 or the lamp bar reflector plate 30 of overlap joint, when blooming piece 80 expands with heat and contract with cold, the light shield layer of having avoided friction occurring between light shield layer and the miscellaneous part and having caused weares and teares, and has improved the shaded effect of blooming piece.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (9)
1. a blooming piece is characterized in that, described blooming piece has light shielding part, and described light shielding part blocks other blooming pieces and the gap between the parts adjacent with described optical diaphragm group in the horizontal direction in the optical diaphragm group under the described blooming piece.
2. blooming piece as claimed in claim 1 is characterized in that, described light shielding part has light shield layer, and described light shield layer is black light-absorbing layer or reflecting layer.
3. blooming piece as claimed in claim 2 is characterized in that, described light shield layer is the shading rubber belt that is attached at the light shielding part place of described blooming piece, or is the light screening material that is painted on the light shielding part place of described blooming piece.
4. as each described blooming piece in the claim 1 to 3, it is characterized in that described blooming piece is diffusion sheet, prismatic lens, composite prism sheet and/or microlens array diaphragm.
5. module backlight, it is characterized in that, comprise backboard, be arranged at the LGP in the backboard, be arranged at the optical diaphragm group of LGP top, and the lamp bar that is arranged at the backboard side-walls relative with the LGP side end face, wherein, described backboard sidewall has adjacent with described optical diaphragm group and cover the part of described LGP and the bending structure of lamp bar in the horizontal direction, and described optical diaphragm group comprises as each described blooming piece of claim 1～4.
6. module backlight as claimed in claim 5 is characterized in that, the light shielding part of described blooming piece is overlapped in the bending structure of described backboard sidewall.
7. module backlight as claimed in claim 5 is characterized in that, also comprises the lamp bar reflector plate that is arranged at backboard sidewall bending structure place and is positioned at the LGP top, and the light shielding part of described blooming piece is overlapped in described lamp bar reflector plate.
8. a display unit is characterized in that, comprises as each described module backlight of claim 5～7 and the display panels above the module backlight as described in being arranged at.
9. display unit as claimed in claim 8 is characterized in that, when described light shielding part had light shield layer, described light shield layer was positioned at light shielding part towards the one side of described display panels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320266482 CN203223860U (en) | 2013-05-15 | 2013-05-15 | Optical membrane, backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320266482 CN203223860U (en) | 2013-05-15 | 2013-05-15 | Optical membrane, backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203223860U true CN203223860U (en) | 2013-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320266482 Expired - Lifetime CN203223860U (en) | 2013-05-15 | 2013-05-15 | Optical membrane, backlight module and display device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203223860U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179981A (en) * | 2015-10-19 | 2015-12-23 | 合肥京东方显示光源有限公司 | Light guide plate, backboard, lateral backlight module and display device |
| CN105892152A (en) * | 2016-06-28 | 2016-08-24 | 京东方科技集团股份有限公司 | Backlight module as well as preparation method thereof and display device |
| CN105911751A (en) * | 2016-04-21 | 2016-08-31 | 青岛海信电器股份有限公司 | Backlight module and liquid crystal display equipment |
| WO2017067254A1 (en) * | 2015-10-21 | 2017-04-27 | 京东方科技集团股份有限公司 | Backlight module, assembly method therefor, and display device |
| CN108089256A (en) * | 2018-01-31 | 2018-05-29 | 广东欧珀移动通信有限公司 | Electronic device and its display module, backlight module |
-
2013
- 2013-05-15 CN CN 201320266482 patent/CN203223860U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179981A (en) * | 2015-10-19 | 2015-12-23 | 合肥京东方显示光源有限公司 | Light guide plate, backboard, lateral backlight module and display device |
| US10139544B2 (en) | 2015-10-19 | 2018-11-27 | Boe Technology Group Co., Ltd. | Light guide plate, back plate, edge-lit type backlight module and display device |
| WO2017067254A1 (en) * | 2015-10-21 | 2017-04-27 | 京东方科技集团股份有限公司 | Backlight module, assembly method therefor, and display device |
| CN105911751A (en) * | 2016-04-21 | 2016-08-31 | 青岛海信电器股份有限公司 | Backlight module and liquid crystal display equipment |
| CN105892152A (en) * | 2016-06-28 | 2016-08-24 | 京东方科技集团股份有限公司 | Backlight module as well as preparation method thereof and display device |
| CN108089256A (en) * | 2018-01-31 | 2018-05-29 | 广东欧珀移动通信有限公司 | Electronic device and its display module, backlight module |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131002 |