CN201138411Y - Display apparatus and backlight module thereof - Google Patents
Display apparatus and backlight module thereof Download PDFInfo
- Publication number
- CN201138411Y CN201138411Y CNU2008200022119U CN200820002211U CN201138411Y CN 201138411 Y CN201138411 Y CN 201138411Y CN U2008200022119 U CNU2008200022119 U CN U2008200022119U CN 200820002211 U CN200820002211 U CN 200820002211U CN 201138411 Y CN201138411 Y CN 201138411Y
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- Prior art keywords
- light guide
- guide plate
- breach
- framework
- backlight module
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Abstract
A backlight module includes a frame, a light guide plate and a plurality of positioning structures. The frame includes the inner side wall and a plurality of frame gaps, wherein, the frame gaps are arranged on the inner side wall. The light guide plate includes the outer edge and a plurality of light guide plate gaps, wherein, the light guide plate gaps are arranged on the outer edge; the light guide plate gaps are corresponding to the frame gaps. The positioning structures are clampped between the light guide plate gaps and the frame gaps, wherein, the positioning structures reject to the light guide plates and constrain the degree of the freedom of the light guide plates.
Description
Technical field
The utility model relates to a kind of backlight module, relate in particular to a kind of before being assembled liquid crystal panel, the backlight module that can avoid light guide plate to slide.
Background technology
With reference to Fig. 1, it shows known backlight module 1, comprises framework 10, light guide plate 20 and fluorescent tube (not shown).Framework 10 comprises framework breach 11.Light guide plate 20 comprises lug 21.Lug 21 corresponding framework breach 11, when light guide plate 20 during in conjunction with framework 10, lug 21 is located among the framework breach 11, thus restriction light guide plate 20 moving on the x-y plane.
Yet along with the size of backlight module is lightening day by day, and brightness requirement is more and more higher, and when backlight module was used plate for high luminance light guide (V-Cut LGP), traditional lug design was easy to generate the problem of bright line.
Taiwan patent announcement 00552440 also discloses relevant backlight module, yet, as mentioned above,, therefore be easy to generate the problem of bright line because it uses the lug design.
Taiwan patent announcement I262279 discloses another kind of backlight module, yet this backlight module does not have suitable lightguide plate fixing before being assembled liquid crystal panel.Therefore, make a factory at backlight module, deliver to transporting in the process of another factory-assembled again, light guide plate may break away from backlight module, even is subjected to displacement and severs fluorescent tube.In addition, when the backlight module assembling of Taiwan patent announcement I262279, light guide plate is also caused picture unusual by scratch easily.
The utility model content
The purpose of this utility model is to provide can avoid bright line to produce, and fixedly secures the backlight module of light guide plate.
Other purpose of the present utility model and advantage can further be understood from technical characterictic disclosed in the utility model.
For realizing above-mentioned one or part or all of purpose or other purpose, the backlight module of embodiment of the present utility model comprises framework, light guide plate and a plurality of location structure.Framework comprises madial wall and a plurality of framework breach, and wherein, these a plurality of framework breach are formed on this madial wall.Light guide plate comprises outer rim and a plurality of light guide plate breach, and wherein, these a plurality of light guide plate breach are formed on this outer rim, and these a plurality of light guide plate breach are to should a plurality of framework breach.Location structure is folded between these a plurality of light guide plate breach and this a plurality of framework breach, and wherein, these a plurality of location structure butts retrain the degree of freedom of this light guide plate.
Embodiment of the present utility model relates to a kind of display, comprises backlight module, liquid crystal panel and housing.Backlight module comprises framework, light guide plate and a plurality of location structure.Framework comprises madial wall and a plurality of framework breach, and wherein, these a plurality of framework breach are formed on this madial wall.Light guide plate comprises outer rim and a plurality of light guide plate breach, and wherein, these a plurality of light guide plate breach are formed on this outer rim, and these a plurality of light guide plate breach are to should a plurality of framework breach.Location structure is folded between these a plurality of light guide plate breach and this a plurality of framework breach, and wherein, these a plurality of location structure butts retrain the degree of freedom of this light guide plate.Liquid crystal panel is located on this backlight module.Housing is fixed this liquid crystal panel and this backlight module.
Embodiment of the present utility model provides a kind of backlight module, comprises framework, light guide plate, first location structure and second location structure.Framework comprises madial wall, the first framework breach and the second framework breach, and wherein, this first framework breach and this second framework breach are formed on this madial wall.Light guide plate comprises outer rim, the first light guide plate breach and the second light guide plate breach, wherein, this first light guide plate breach and this second light guide plate breach are formed on this outer rim, and this first light guide plate breach is to should the first framework breach, and this second light guide plate breach is to should the second framework breach.First location structure is folded between this first light guide plate breach and this first framework breach.Second location structure is located between this second light guide plate breach and this second framework breach, and wherein, this first location structure and this second location structure butt retrain the degree of freedom of this light guide plate.
Backlight module of the present utility model is assembled before liquid crystal panel, so that the situation that light guide plate breaks away from or moves can be avoided transporting in the process at backlight module in the position of location structure constraint light guide plate therefore.The material of these two location structures is plastic cement or other polymeric material, therefore can avoid the scratch light guide plate.Light guide plate breach and framework breach are semicircle orifice, therefore can avoid bright line to produce.
Description of drawings
Fig. 1 illustrates known backlight module;
Fig. 2 illustrates the backlight module of an embodiment of the present utility model;
Fig. 3 illustrates the enlarged drawing of the A part among Fig. 2; And
Fig. 4 illustrates the display of an embodiment of the present utility model;
Fig. 5 a illustrates the variation of utility model; And
Fig. 5 b illustrates another variation of utility model.
Embodiment
About aforementioned and other technology contents, characteristics and effect of the present utility model, in DETAILED DESCRIPTION OF THE PREFERRED, can clearly present below in conjunction with accompanying drawing.The direction term of being mentioned in following examples, for example: upper and lower, left and right, front or rear etc. only are the directions of accompanying drawing.Therefore, the direction term of use is to be used for illustrating not to be to be used for limiting the utility model.
With reference to Fig. 2, the backlight module 100 that it illustrates an embodiment of the present utility model comprises framework 110, light guide plate 120, location structure 130 and light source (not shown).In conjunction with reference to Fig. 3, it illustrates the enlarged drawing of the A part among Fig. 2, and wherein, framework 110 comprises madial wall 111 and framework breach 112, and framework breach 112 is formed on the madial wall 111.Light guide plate 120 comprises outer rim 121, light guide plate breach 122 and exiting surface 123, and light guide plate breach 122 is formed on the outer rim 121.Light guide plate breach 122 corresponding framework breach 112.130 insertions of location structure are folded between light guide plate breach 122 and the framework breach 112.
Return Fig. 2, the outer rim of light guide plate 120 comprises incidence surface 1211, binding side 1212, binding side 1213 and binding side 1214.1211 pairs of incidence surfaces should light source, then is formed with the light guide plate breach on binding side 1212, binding side 1213 and the binding side 1214 and connects location structure 130 by this.Binding side 1213 vertical constraint limits 1212, binding side 1214 parallel binding sides 1212.Because location structure 130 from the not ipsilateral butt light guide plate 120 of light guide plate 120, therefore can effectively limit the degree of freedom of light guide plate 120 on the x-y direction simultaneously.
In embodiment of the present utility model, light guide plate breach 122 and framework breach 112 are semicircle orifice.
With reference to Fig. 3, location structure 130 comprises base portion 131, latch 132 and top 133, and this latch 132 connects this base portion 131 and this top 133.These latch 132 corresponding clips are located between this light guide plate breach 122 and this framework breach 112, with the degree of freedom of restriction light guide plate 120 on the x-y direction.This light guide plate 120 and this framework 110 is replaced in this base portion 131 and this top 133, like this, can effectively limit the degree of freedom of light guide plate 120 on the z direction.This top 133 is a circular cone.This location structure 130 plug direction perpendicular to this exiting surface 123.When assembling, light guide plate 120 places earlier among the framework 110, location structure 130 is plugged between light guide plate breach 122 and this framework breach 112 again.
In the above-described embodiments, the material of this framework 110 is plastic cement or other polymeric material.The material of these two location structures 130 is plastic cement or other polymeric material.
With reference to Fig. 4, an embodiment of the present utility model provides display 200, comprises described backlight module 100, liquid crystal panel 210, diffusion sheet 220, blast sheet 230 and housing 240.Diffusion sheet 220 and blast sheet 230 are arranged between this backlight module 100 and the liquid crystal panel 210.Housing 240 immobile liquid crystal panel 210, diffusion sheet 220 and blast sheet 230.
Backlight module disclosed in the utility model is assembled before liquid crystal panel, just with the position of location structure constraint light guide plate, therefore can avoid transporting in the process at backlight module the situation that light guide plate breaks away from or moves.The material of these a plurality of location structures is plastic cement or other polymeric material, therefore can avoid the scratch light guide plate.Light guide plate breach and framework breach are semicircle orifice, therefore can avoid bright line to produce.
With reference to Fig. 5 a, it illustrates a variation of the present utility model, it is characterized in that having location structure 141 (first location structure) and location structure 142 (second location structure), location structure 141 is located at binding side 1212 (first limit), location structure 142 is located at binding side 1213 (second limit), and binding side 1212 is perpendicular to binding side 1213.
With reference to Fig. 5 b, it illustrates another variation of utility model, it is characterized in that having location structure 141 (first location structure) and location structure 143 (second location structure), location structure 141 is located at binding side 1212 (first limit), location structure 143 is located at binding side 1214 (second limit), and binding side 1212 is parallel to binding side 1214.
Above said content, it is preferred embodiment of the present utility model, can not limit the scope that the utility model is implemented with this, promptly the simple equivalent of being done according to claim scope of the present utility model and utility model description changes and revises, and still all belongs to claim scope of the present utility model.Arbitrary embodiment of the present utility model in addition or claim scope needn't realize whole purpose disclosed in the utility model or advantage or characteristics.In addition, summary part and title only are the effects that is used for assisting the patent document retrieval, are not to be used for limiting claim scope of the present utility model.
Claims (16)
1, a kind of backlight module is applied to it is characterized in that in the display, comprising:
Framework comprises madial wall and a plurality of framework breach, and wherein, described a plurality of framework breach are formed on the described madial wall;
Light guide plate comprises outer rim and a plurality of light guide plate breach, and wherein, described a plurality of light guide plate breach are formed on the described outer rim, the respectively corresponding described a plurality of framework breach of described a plurality of light guide plate breach; And
A plurality of location structures are folded in respectively between described a plurality of light guide plate breach and the described a plurality of framework breach, and wherein, described a plurality of location structure butts retrain the degree of freedom of described light guide plate.
2, backlight module as claimed in claim 1, it is characterized in that, each described location structure comprises base portion, latch and top, described latch connects described base portion and described top, described latch is folded between the corresponding described light guide plate breach and described framework breach, and described base portion and described top are replaced corresponding described light guide plate and described framework respectively.
3, backlight module as claimed in claim 2 is characterized in that, described top is a circular cone.
4, backlight module as claimed in claim 1 is characterized in that, described light guide plate comprises exiting surface, described a plurality of location structures plug direction perpendicular to described exiting surface.
5, backlight module as claimed in claim 1 is characterized in that, described a plurality of framework breach are semicircle orifices.
6, backlight module as claimed in claim 1 is characterized in that, described a plurality of light guide plate breach are semicircle orifices.
7, backlight module as claimed in claim 1 is characterized in that, also comprises light source, and wherein, described outer rim comprises incidence surface and a plurality of binding side, the corresponding described light source of described incidence surface, and described a plurality of light guide plate breach are respectively formed on described a plurality of binding side.
8, a kind of display is characterized in that, comprising:
Backlight module comprises:
Framework comprises madial wall and a plurality of framework breach, and wherein, described a plurality of framework breach are formed on the described madial wall;
Light guide plate comprises outer rim and a plurality of light guide plate breach, and wherein, described a plurality of light guide plate breach are formed on the described outer rim, the respectively corresponding described a plurality of framework breach of described a plurality of light guide plate breach; And
A plurality of location structures are folded in respectively between described a plurality of light guide plate breach and the described a plurality of framework breach, and wherein, described a plurality of location structure butts retrain the degree of freedom of described light guide plate;
Liquid crystal panel is located on the described backlight module; And
Housing, fixing described liquid crystal panel and described backlight module.
9, display as claimed in claim 8 is characterized in that, described light guide plate comprises exiting surface, described a plurality of location structures plug direction perpendicular to described exiting surface.
10, a kind of backlight module is characterized in that, comprising:
Framework comprises madial wall, the first framework breach and the second framework breach, and wherein, described first framework breach and the described second framework breach are formed on the described madial wall;
Light guide plate, comprise outer rim, the first light guide plate breach and the second light guide plate breach, wherein, described first light guide plate breach and the described second light guide plate breach are formed on the described outer rim, the corresponding described first framework breach of the described first light guide plate breach, the corresponding described second framework breach of the described second light guide plate breach;
First location structure is folded between described first light guide plate breach and the described first framework breach; And
Second location structure is folded between described second light guide plate breach and the described second framework breach, and wherein, described first location structure and the described second location structure butt retrain the degree of freedom of described light guide plate.
11, backlight module as claimed in claim 10, it is characterized in that, described first location structure comprises first base portion, first latch and first top, described first latch connects described first base portion and described first top, described first latch is folded between described first light guide plate breach and the described first framework breach, and described first base portion and described first top are replaced described light guide plate and described framework respectively.
12, backlight module as claimed in claim 11, it is characterized in that, described second location structure comprises second base portion, second latch and second top, described second latch connects described second base portion and described second top, described second latch is folded between described second light guide plate breach and the described second framework breach, and described second base portion and described second top are replaced described light guide plate and described framework respectively.
13, backlight module as claimed in claim 10, it is characterized in that the described outer rim of described light guide plate comprises first limit and second limit, the described first light guide plate breach is positioned on described first limit, the described second light guide plate breach is positioned on described second limit, and described first limit is parallel to described second limit.
14, backlight module as claimed in claim 10, it is characterized in that the described outer rim of described light guide plate comprises first limit and second limit, the described first light guide plate breach is positioned on described first limit, the described second light guide plate breach is positioned on described second limit, and described first limit is perpendicular to described second limit.
15, backlight module as claimed in claim 10 is characterized in that, the material of described framework is plastic cement or other polymeric material.
16, backlight module as claimed in claim 10 is characterized in that, the material of described first location structure and described second location structure is plastic cement or other polymeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200022119U CN201138411Y (en) | 2008-01-04 | 2008-01-04 | Display apparatus and backlight module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200022119U CN201138411Y (en) | 2008-01-04 | 2008-01-04 | Display apparatus and backlight module thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201138411Y true CN201138411Y (en) | 2008-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200022119U Expired - Lifetime CN201138411Y (en) | 2008-01-04 | 2008-01-04 | Display apparatus and backlight module thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201138411Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537866A (en) * | 2011-12-26 | 2012-07-04 | 达运精密工业（苏州）有限公司 | Positioning device and backlight module using same |
| CN102803825A (en) * | 2009-06-17 | 2012-11-28 | 夏普株式会社 | Display device and television receiver |
| CN104379988A (en) * | 2012-07-03 | 2015-02-25 | 夏普株式会社 | Illumination device, display device, and television receiving device |
-
2008
- 2008-01-04 CN CNU2008200022119U patent/CN201138411Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102803825A (en) * | 2009-06-17 | 2012-11-28 | 夏普株式会社 | Display device and television receiver |
| CN102803825B (en) * | 2009-06-17 | 2015-07-01 | 夏普株式会社 | Display device and television receiver |
| CN102537866A (en) * | 2011-12-26 | 2012-07-04 | 达运精密工业（苏州）有限公司 | Positioning device and backlight module using same |
| CN104379988A (en) * | 2012-07-03 | 2015-02-25 | 夏普株式会社 | Illumination device, display device, and television receiving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YANGSHENG LIGHTING CO., LTD. Free format text: FORMER OWNER: YANG XIN PRECISE CO., LTD.. Effective date: 20120316 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120316 Address after: Hsinchu City, Taiwan, China Patentee after: YOUNG Lighting Technology Inc Address before: Hsinchu County, Taiwan, China Patentee before: Yangxin Precision Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO. Free format text: FORMER OWNER: YANGSHENG LIGHTING CO., LTD. Effective date: 20121212 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: TAIWAN, CHINA TO: 518132 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121212 Address after: 518132 9-2, Guangming Road, Guangming New District, Guangdong, Shenzhen Patentee after: Shenzhen Huaxing Optoelectronic Technology Co., Ltd. Address before: Hsinchu City, Taiwan, China Patentee before: YOUNG Lighting Technology Inc |
|
| CX01 | Expiry of patent term |
Granted publication date: 20081022 |
|
| CX01 | Expiry of patent term |