CN201382337Y - Backlight module - Google Patents
Backlight module Download PDFInfo
- Publication number
- CN201382337Y CN201382337Y CN200920137219U CN200920137219U CN201382337Y CN 201382337 Y CN201382337 Y CN 201382337Y CN 200920137219 U CN200920137219 U CN 200920137219U CN 200920137219 U CN200920137219 U CN 200920137219U CN 201382337 Y CN201382337 Y CN 201382337Y
- Authority
- CN
- China
- Prior art keywords
- backlight module
- polarizer
- module
- backlight
- lgp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a backlight module which comprises a positioning framework arranged at the peripheral part of the backlight module, a polarizer component arranged on the front side of the backlight module, an optical film positioned on the rear side of the polarizer component, and a light guide plate, wherein light-shielding tapes are arranged at the peripheral side part and the rear side part of the light guide plate; and the backlight module is characterized in that a dust-break extending part kept in contact with the inner wall of a rubber frame of the backlight module is arranged at the front side end of the light-shielding tape at the peripheral side part of the light guide plate, so as to prevent the foreign matter in a positioning framework body around from intruding in a gap between the polarizer and the optical film. The backlight module can effectively prevent the foreign matter from intruding in the gap between the polarizer and the optical film, thereby ensuring the clear display image and improving the product quality.
Description
Technical field
The utility model relates to a kind of module backlight.
Background technology
Existing module backlight; has the crack of meeting that is connected between the gap die cavity because of formation between the gap die cavity that forms between the blooming piece 1 of LGP 5 and front side thereof and the Polarizer assembly 2 and LGP perimembranous and the backboard 4; as shown in Figure 1; so module backlight in assembling process during formed foreign matter regular meeting intrude between blooming piece 1 and the Polarizer 2 by the slit between LGP and the positioning framework perimembranous inwall; thereby cause to see foreign matter in the picture, form the light-emitting area flaw.
For avoiding the problems referred to above, though can reduce the foreign matter generation by cleaning the improvement of cleaning technology and assembling operation environment, but because glue frame 3 is plastics materials, and backboard is metal material, therefore in assembling process, can't avoid the glue frame to have foreign matter to be scraped, so be difficult to fundamentally address the above problem.
Summary of the invention
The purpose of this utility model provides a kind of module backlight, and this device can effectively prevent the gap between foreign matter intrusion Polarizer and the blooming piece, thereby guarantees that display image is clear, improves product quality.
The technical solution of the utility model is achieved in that it comprises the positioning framework of being located on the module perimembranous backlight, be located at the Polarizer assembly and the blooming piece and the LGP that are positioned on the Polarizer assembly rear side of module backlight front side, the all sidepieces and the rear lateral portion of described LGP are provided with shading rubber belt, it is characterized in that: the shading rubber belt front side end that is coated on LGP week sidepiece is provided with the dust-break extension that keeps in touch with module glue frame inwall backlight, invades the gap between Polarizer and the blooming piece to prevent foreign matter in all side posting support bodys.
The utility model has the advantages that reasonable in designly, simple in structure, can effectively avoid producing foreign matter between Polarizer and the blooming piece, guarantee clear picture, promote product quality, increase competitiveness of product.
Description of drawings
Fig. 1 is the organigram of existing module backlight.
Fig. 2 is the organigram of the utility model specific embodiment.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further elaborated.
As shown in the figure, module backlight of the present utility model, comprise the positioning framework of being located on the module perimembranous backlight 9, be located at the Polarizer assembly 6 and the blooming piece 7 and the LGP 8 that are positioned on the Polarizer assembly rear side of module backlight front side, the all sidepieces and the rear lateral portion of described LGP are provided with shading rubber belt 13, it is characterized in that: the shading rubber belt front side end that is coated on LGP week sidepiece is provided with the dust-break extension 10 that keeps in touch with module glue frame 11 inwalls backlight, invades gap between Polarizer and the blooming piece with the foreign matter that prevents (in the gap between backboard 12 and the LGP) in all side posting support bodys.
Module light leak backlight is bad for fear of causing, and above-mentioned dust-break extension is the black shading rubber belt.
Form and interfere because of deviation and glue frame appear in the shading rubber belt sticking position in the assembling process, above-mentioned dust-break extension is inclination.
The utility model is reasonable in design, and is simple in structure, can effectively avoid producing foreign matter between Polarizer and the blooming piece, guarantees clear picture, promotes product quality, increases competitiveness of product.
Though the utility model discloses as above with preferred embodiment; so it is not of the present utility model in order to limit; have in the technical field under any and know the knowledgeable usually; in not breaking away from spirit and scope of the present utility model; when can doing a little change and retouching, therefore protection domain of the present utility model is as the criterion as the claim person of defining that look claims.
Claims (3)
1. module backlight, comprise the positioning framework of being located on the module perimembranous backlight, be located at the Polarizer assembly and the blooming piece and the LGP that are positioned on the Polarizer assembly rear side of module backlight front side, the all sidepieces and the rear lateral portion of described LGP are provided with shading rubber belt, it is characterized in that: the shading rubber belt front side end that is coated on LGP week sidepiece is provided with the dust-break extension that keeps in touch with module glue frame inwall backlight, invades the gap between Polarizer and the blooming piece to prevent foreign matter in all side posting support bodys.
2. module backlight according to claim 1 is characterized in that: described dust-break extension is the black shading rubber belt.
3. module backlight according to claim 1 and 2 is characterized in that: described dust-break extension is skewed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920137219U CN201382337Y (en) | 2009-03-24 | 2009-03-24 | Backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920137219U CN201382337Y (en) | 2009-03-24 | 2009-03-24 | Backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201382337Y true CN201382337Y (en) | 2010-01-13 |
Family
ID=41525810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920137219U Expired - Fee Related CN201382337Y (en) | 2009-03-24 | 2009-03-24 | Backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201382337Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016176929A1 (en) * | 2015-05-05 | 2016-11-10 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display |
-
2009
- 2009-03-24 CN CN200920137219U patent/CN201382337Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016176929A1 (en) * | 2015-05-05 | 2016-11-10 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal display |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100113 Termination date: 20180324 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |