CN204313135U - Back light source structure and display floater - Google Patents
Back light source structure and display floater Download PDFInfo
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- CN204313135U CN204313135U CN201520000802.2U CN201520000802U CN204313135U CN 204313135 U CN204313135 U CN 204313135U CN 201520000802 U CN201520000802 U CN 201520000802U CN 204313135 U CN204313135 U CN 204313135U
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- light source
- backlight
- diffusion barrier
- source structure
- back light
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Abstract
The utility model discloses a kind of back light source structure and display floater, this back light source structure comprises framework, on said frame sequentially laminated with reflector plate, light guide plate, light source, the first diffusion barrier, the first bright enhancement film, the second bright enhancement film; Shading strip is provided with above described light source; Also comprise the second diffusion barrier covered above described second bright enhancement film, described second diffusion barrier has edge-folding mechanism, and described edge-folding mechanism is fitted in described frame sides or the back side.This backlight encases side or the back side of backlight frame by the second diffusion barrier flanging, to striped, and bright line, the bad effect playing atomization such as Newton's ring, significantly improves the yield of screen accounting and backlight; And expand material selection space and the scope of backlight to a certain extent, for the cost reducing single backlight provides possibility; Eliminate the setting of backlight glue frame and periphery anti-dazzling screen, saved the die sinking cost of glue frame and shading, also reduce assembling difficulty and the die sinking difficulty of narrow frame backlight structure simultaneously.
Description
Technical field
The utility model relates to technical field of liquid crystal display equipment, particularly relates to a kind of back light source structure and display floater.
Background technology
Liquid crystal indicator is the display unit product the most widely used at present, liquid crystal indicator be by the liquid crystal layer of liquid crystal panel to control the light transmittance of each location of pixels, enable liquid crystal indicator correctly show image.Because the liquid crystal panel in liquid crystal indicator can not self-luminous, therefore need backlight module to provide the light source needed for liquid crystal panel, make liquid crystal indicator reach the effect of display.
At present, in the development of liquid crystal display technology, the liquid crystal display of narrow frame design can provide larger viewing visual angle in limited space, is that of liquid crystal display outward appearance reforms greatly.
Traditional backlight, its structure is main as shown in Figure 1: stacked gradually by framework 1 ', reflector plate 2 ', glue frame 8 ', LED lamp bar 4 ', light guide plate 3 ', diffusion barrier 5 ', the first bright enhancement film 71 ', the second bright enhancement film 72 ' and anti-dazzling screen 6 ' and form.Because considering the laminating intensity of backlight and glass, so have certain requirement to the fitting area of shading, so just cause, the frame of backlight can not be too narrow.If too narrow, when not only increasing assembling, the laminating difficulty of shading, and easily cause backlight periphery bright line in addition, light leaks etc. are bad.Backlight frame does narrower, and higher to the required precision of the backlight assemblies such as anti-dazzling screen 6 ', glue frame 8 ', difficulty of processing is larger.Meanwhile, the area that shading can be fitted is less, and laminating intensity is also less, higher to the requirement of assembly precision, and laminating difficulty is also larger, and the increase of fraction defective also can be more and more obvious.
Utility model content
In order to solve above-mentioned the deficiencies in the prior art, the utility model provides a kind of back light source structure and display floater.
Technical problem to be solved in the utility model is achieved by the following technical programs:
A kind of back light source structure, comprises framework, on said frame sequentially laminated with reflector plate, light guide plate, light source, the first diffusion barrier, the first bright enhancement film, the second bright enhancement film; Shading strip is provided with above described light source; Also comprise the second diffusion barrier covered above described second bright enhancement film, described second diffusion barrier has edge-folding mechanism, and described edge-folding mechanism is fitted in described frame sides or the back side.
Further, described edge-folding mechanism is two symmetrical flangings.
Further, described edge-folding mechanism is four flangings.
Further, described light source comprises the lamp bar of multiple LED composition.
Further, described second diffusion barrier is the diffusion barrier with atomizing.
Further, described reflector plate is fitted on said frame by tacky on two sides.
Further, described tacky on two sides comprises at least one in olefin(e) acid adhesive, adhesive for polyurethane, epoxy resin adhesive.
Further, described framework is made of metal.
Further, described framework is brandreth.
A kind of display floater, comprises above-mentioned back light source structure.
The utility model has following beneficial effect: the back light source structure formed according to this kind of mode, its relative traditional backlight source, add the second diffusion barrier, side or the back side of backlight frame is encased by the second diffusion barrier flanging, to striped, bright line, the bad effect playing atomization such as Newton's ring, improves the yield of backlight; And expand material selection space and the scope of backlight to a certain extent, for the cost reducing single backlight provides possibility; Eliminate the setting of backlight glue frame, save the die sinking cost of glue frame, also reduce assembling difficulty and the glue frame die sinking difficulty of the narrow frame backlight structure of glue frame simultaneously, eliminate the setting of periphery anti-dazzling screen relative to traditional backlight simultaneously, save the die sinking cost of shading, also reduce the difficulty of backlight assembling simultaneously.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of traditional backlight;
Fig. 2 is the utility model back light source structure decomposing schematic representation;
Fig. 3 is the Facad structure schematic diagram of the utility model backlight;
Fig. 4 is the structure schematic diagram of the utility model backlight.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in detail.
The above embodiment only have expressed embodiment of the present utility model, the direction term that the utility model is mentioned, such as upper and lower, top, the end, front, rear, left and right, inside and outside, side, surrounding, central authorities, level, transverse direction, vertical, longitudinal direction, axis, radial direction, the superiors or orlop etc., be only the direction with reference to annexed drawings.Therefore, the direction term of use is in order to illustrate and to understand the utility model, and is not used to limit the utility model, as long as the technical scheme adopting the form of equivalent replacement or equivalent transformation to obtain, all should drop within protection domain of the present utility model.
Please refer to the utility model shown in Fig. 2 and a kind of back light source structure 100 is provided, described back light source structure 100 comprises: framework 1, described framework 1 forms accommodation space, and this accommodation space stacks gradually and contains reflector plate 2, light guide plate 3, light source 4, first diffusion barrier 51, first bright enhancement film 71, second bright enhancement film 72; Shading strip 6 is provided with above described light source 4; Also comprise the second diffusion barrier 52 covered above described second bright enhancement film 72, its coverage preferably but do not limit corresponding with the size dimension of described framework 1; Described second diffusion barrier 52 has edge-folding mechanism 521, and described edge-folding mechanism 521 is fitted in described framework 1 side or the back side.Described framework 1 is made up of stamped metal sheets usually, preferably but do not limit brandreth.Described reflector plate 2 by tacky on two sides laminating on said frame; Described reflector plate 2 can be connected by tacky on two sides with light guide plate 3; Described tacky on two sides comprises at least one in olefin(e) acid adhesive, adhesive for polyurethane, epoxy resin adhesive.
As shown in Figure 2, described light source 4 can for having the circuit board of several light emitting diode, and as LED lamp bar, light source 4 and flexible circuit are set together; Described light source 4 is embedded at the side of described light guide plate 3 in strip.Be arranged on described shading strip 6 scope above described light source 4 can slightly larger than or equal described light source 4, be used for covering light source 4.
As shown in Figure 3,4, for the front and back of back light source structure 100, the assembling of described second diffusion barrier 52 can make back light source structure 100 need the assembling of annular shading unlike traditional backlight source structure, can omit backlight frame solid without the need to considering the wide and narrow of backlight frame.The fixed form of the second diffusion barrier 52 is the side or the back side that by tacky on two sides, folded edges 521 are fitted in described framework 1.Described folded edges 521 can be symmetrically arranged two flangings; Also can be three flangings, can also be four flangings.Described second diffusion barrier 52 covers the top of the second bright enhancement film 72 and encases side or the back side of described framework 1, can further improve the stability of this back light source structure.
Described second diffusion barrier 52 preferably but be not limited only to the diffusion barrier with atomizing, its to striped, bright line, Newton's ring etc. not intuitive ability play better atomizing, improve the yield of backlight further.And the fixed form of the second diffusion barrier 52 not to need to consider in traditional backlight source structure the problems such as difficulty is fitted, viscosity is weak that glue frame 8 ' and annular shading 6 ' as shown in Figure 1 cause due to narrow frame.One of effect of existing anti-dazzling screen is fixing diaphragm, described second diffusion barrier 52 can play same purpose, even can be better, simultaneously because the diffusion particle on diffusion barrier to play the effect of atomization to light, and described second diffusion barrier 52 assembles more convenient, so replace existing shaded effect with the second diffusion barrier 52, not only can improve yield and the production efficiency of back light source structure manufacture, and progradation is played to large-scale production.
The utility model additionally provides a kind of display floater, and this display floater comprises arbitrary above-mentioned back light source structure.
Below the utility model is described in detail, the foregoing is only the preferred embodiment of the utility model, the utility model practical range can not be limited, allly do impartial change according to the application's scope and modify, all should still belong in the utility model covering scope.
Claims (10)
1. a back light source structure, is characterized in that, comprises framework, on said frame sequentially laminated with reflector plate, light guide plate, light source, the first diffusion barrier, the first bright enhancement film, the second bright enhancement film; Shading strip is provided with above described light source; Also comprise the second diffusion barrier covered above described second bright enhancement film, described second diffusion barrier has edge-folding mechanism, and described edge-folding mechanism is fitted in described frame sides or the back side.
2. back light source structure as claimed in claim 1, is characterized in that, described edge-folding mechanism is two symmetrical flangings.
3. back light source structure as claimed in claim 1, it is characterized in that, described edge-folding mechanism is four flangings.
4. back light source structure as claimed in claim 1, is characterized in that, described light source comprises the lamp bar of multiple LED composition.
5. back light source structure as claimed in claim 1, it is characterized in that, described second diffusion barrier is the diffusion barrier with atomizing.
6. back light source structure as claimed in claim 1, it is characterized in that, described reflector plate is fitted on said frame by tacky on two sides.
7. back light source structure as claimed in claim 6, it is characterized in that, described tacky on two sides comprises at least one in olefin(e) acid adhesive, adhesive for polyurethane, epoxy resin adhesive.
8. back light source structure as claimed in claim 1, it is characterized in that, described framework is made of metal.
9. back light source structure as claimed in claim 1, it is characterized in that, described framework is brandreth.
10. a display floater, is characterized in that, comprises back light source structure according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520000802.2U CN204313135U (en) | 2015-01-04 | 2015-01-04 | Back light source structure and display floater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520000802.2U CN204313135U (en) | 2015-01-04 | 2015-01-04 | Back light source structure and display floater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204313135U true CN204313135U (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520000802.2U Active CN204313135U (en) | 2015-01-04 | 2015-01-04 | Back light source structure and display floater |
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| CN (1) | CN204313135U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864294A (en) * | 2015-05-28 | 2015-08-26 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN106641755A (en) * | 2016-12-07 | 2017-05-10 | 易美芯光（北京）科技有限公司 | LED backlight light bar and application thereof |
| CN108845623A (en) * | 2018-07-31 | 2018-11-20 | Oppo广东移动通信有限公司 | The control method of display screen component, electronic equipment and electronic equipment |
-
2015
- 2015-01-04 CN CN201520000802.2U patent/CN204313135U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864294A (en) * | 2015-05-28 | 2015-08-26 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN106641755A (en) * | 2016-12-07 | 2017-05-10 | 易美芯光（北京）科技有限公司 | LED backlight light bar and application thereof |
| CN108845623A (en) * | 2018-07-31 | 2018-11-20 | Oppo广东移动通信有限公司 | The control method of display screen component, electronic equipment and electronic equipment |
| CN108845623B (en) * | 2018-07-31 | 2023-11-24 | Oppo广东移动通信有限公司 | Display screen assembly, electronic equipment and control method of electronic equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |