CN203010410U - Backlight module and liquid crystal display device - Google Patents
Backlight module and liquid crystal display device Download PDFInfo
- Publication number
- CN203010410U CN203010410U CN2012207218901U CN201220721890U CN203010410U CN 203010410 U CN203010410 U CN 203010410U CN 2012207218901 U CN2012207218901 U CN 2012207218901U CN 201220721890 U CN201220721890 U CN 201220721890U CN 203010410 U CN203010410 U CN 203010410U
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- Prior art keywords
- backlight module
- framework
- lgp
- liquid crystal
- utility
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- Expired - Lifetime
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000001746 injection moulding Methods 0.000 claims abstract description 10
- 230000003287 optical effect Effects 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 239000002984 plastic foam Substances 0.000 claims description 3
- 238000002310 reflectometry Methods 0.000 claims description 3
- 150000003503 terephthalic acid derivatives Chemical class 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 7
- 239000003292 glue Substances 0.000 description 10
- 230000003321 amplification Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005282 brightening Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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Abstract
The utility model provides a backlight module, including framework and light guide plate, the framework is reflecting material, the light guide plate is located in the framework, just the light guide plate with the framework is integrated into one piece, backlight module is when improving display effect and structural strength, becomes the process of current manual assembly backlight module mechanized injection molding technology, and then improves backlight module's production efficiency. The utility model also provides a liquid crystal display device, liquid crystal display device adopts above-mentioned backlight unit structure, can improve display effect, reduction in production cost.
Description
Technical field
The utility model relates to a kind of flat panel display, particularly a kind of backlight module and liquid crystal indicator.
Background technology
Along with the sharply development of network and radio communication technology, the portable information products such as small-medium size product, particularly intelligent machine have obtained significant progress.People also wish to reduce its production cost when constantly pursuing the liquid crystal indicator of high-resolution, high-contrast and narrow frame.Backlight module need to constantly improve backlight module as one of vital part of liquid crystal indicator, to reduce its cost and further narrow frame.
Fig. 1 is the structural representation of backlight module in prior art, as shown in Figure 1, backlight module 100 comprises: a backboard 101, be arranged at reflector plate 102 on backboard 101, be arranged at glue frame 103 on described backboard 101, be set in turn in LGP 104 and optical diaphragm group 105 on described reflector plate 102.Wherein, described glue frame 103 and described reflector plate 102 are fixing by two-sided tape 107, and described LCDs 106 is fixing with described glue frame 103 by shading rubber belt 108.The described backlight module group rubber frame 103 of prior art, reflector plate 102 and LGP 104 are for after injection moulding respectively, making moulding, assemble fixing, therefore has following problem: 1, have assembly clearance between LGP 104 and glue frame 103, there is unnecessary light source between assembly clearance, can causes the viewing area that the bright line risk is arranged; And for some product, the light between glue frame 103 and LGP 104 gaps also may see through glue frame 103, affects display effect.2, along with the development of the narrow frame of product, the glue frame 103 after moulding very easily is out of shape, the assembling difficulty between glue frame 103 and LGP 104.3, LGP 104 complete with 103 assemblings of glue frame after, easily break away from, affect the total quality of backlight module.4, the assembling process of glue frame 103, LGP 104, reflector plate 102 is difficulties and loaded down with trivial details process the most in the assembling of present backlight module, therefore affects overall package efficient, and then reduces production efficiency.
The utility model content
The purpose of this utility model is to provide a kind of backlight module that can improve display effect and structural strength and enhance productivity.
For addressing the above problem, the utility model provides a kind of backlight module, comprises framework and LGP, and described framework is reflecting material, and described LGP is positioned at described framework, and described LGP and described framework are formed in one.
Further, the reflectivity of described framework is greater than 50%.
Further, the material of described framework is poly terephthalic acid class plastic foam material.
Further, described framework comprises that a bottom surface is vertically connected at bottom surface and the first side that connects with being connected, and described bottom surface is positioned at outside the back side of described LGP, and described a plurality of sides lay respectively at outside the side of described LGP.
Further, described framework comprises that also at least one is vertically connected at the 3rd of side, and described the 3rd face is positioned at outside the part front of described LGP.
Further, the periphery of described framework also scribbles reflectance coating.
Further, described LGP and described framework are injection moulding integrated molding.
Further, described LGP and described framework surround a receiving space.
Further, described backlight module also comprises:
Be arranged in described receiving space and be positioned at the light source of described LGP one side; And
Be arranged in described receiving space and be positioned at optical diaphragm group on described LGP.
Further, have at least one at least one side of described framework and keep away a hole, described light source is arranged at described keeping away in a hole.
Further, described lamp spare is the LED lamp.
Further, described backlight module also comprises backboard, and described framework and described backboard are fixed by two-sided tape or coupler construction.
The utility model also provides a kind of liquid crystal indicator, and described liquid crystal indicator comprises described backlight module.
In sum, the utility model provides a kind of backlight module different from the prior art structure, described backlight module comprises LGP and has the framework of reflecting material, and described LGP and framework adopt injection molding technology to form unitary member, thereby when improving display effect and structural strength, the process of existing man-made assembly backlight module is become the Shooting Technique of mechanization, and then improve the production efficiency of backlight module.
Further, liquid crystal indicator described in the utility model adopts above-mentioned back light module unit structure, can improve display effect, reduces production costs.
Description of drawings
Fig. 1 is the structural representation of backlight module in prior art;
Fig. 2 is the top view of backlight module in the utility model one embodiment;
Fig. 3 a is the generalized section along an embodiment of A-A ' direction in backlight module shown in Figure 2;
Fig. 3 b is the generalized section along the another embodiment of A-A ' direction in backlight module shown in Figure 2;
Fig. 4 is the generalized section along another embodiment of the A-A ' direction in backlight module shown in Figure 2;
Fig. 5 is the local amplification stereogram of backlight module shown in Figure 2;
Fig. 6 is the generalized section along the B-B ' direction in backlight module shown in Figure 2;
Fig. 7 is the structural representation of liquid crystal indicator in the utility model one embodiment.
The specific embodiment
For making content of the present utility model more clear understandable, below in conjunction with Figure of description, content of the present utility model is described further.Certainly the utility model is not limited to this specific embodiment, and the known general replacement of those skilled in the art also is encompassed in protection domain of the present utility model.
Secondly, the utility model utilizes schematic diagram to carry out detailed statement, and when the utility model example was described in detail in detail, for convenience of explanation, schematic diagram did not amplify according to general ratio is local, should be with this as to restriction of the present utility model.
Core concept of the present utility model is to provide a kind of backlight module different from the prior art structure, described backlight module comprises LGP and has the framework of reflecting material, and described LGP and framework adopt injection molding technology to form unitary member, with when improving display effect and structural strength, the process of existing man-made assembly backlight module is become the Shooting Technique of mechanization, and then improve the production efficiency of backlight module.
Fig. 2 is the top view of backlight module in the utility model one embodiment; Fig. 3 a is the generalized section along an embodiment of A-A ' direction in backlight module shown in Figure 2.In conjunction with Fig. 2 and Fig. 3 a, the utility model provides a kind of backlight module 200, and described backlight module 200 comprises framework 203 and LGP 204, and described framework 203 is reflecting material, described LGP 204 is positioned at described framework 203, and described LGP 204 is formed in one with described framework 203.
In a preferred embodiment, the reflectivity of described framework 203 is greater than 50%.Described framework 203 not only can be used for lightguide plate fixing 204 and assemble optical diaphragm group 205 etc., substitutes simultaneously the reflector plate of prior art, the cremasteric reflex effect.In preferred embodiment, the material of described framework 203 is poly terephthalic acid class plastic foam materials, such as PET plastic material etc.In addition, Fig. 3 b is the generalized section along the another embodiment of A-A ' direction in backlight module shown in Figure 2, and as shown in Fig. 3 b, the periphery of described framework 203 can also scribble reflectance coating 202, and reflectance coating 202 can further improve the reflex of framework 203.
And described LGP 204 adopts injection moulding integrated molding with described framework 203 in the present embodiment.For example after the designing requirement according to backlight module completes framework 203, utilize the technology of injection moulding integrated molding that LGP 204 and framework 203 injection mouldings are secured together, not only can improve structural strength, the raising display effect of backlight module after the formation unitary member, the process that has man-made assembly backlight module 200 now can also be become the Shooting Technique of mechanization, and then reach the production efficiency that improves backlight module 200.
The structure of described framework 203 can have multiple, as shown in Fig. 3 a, in one embodiment, described framework 203 comprises that a bottom surface 203a is vertically connected at bottom surface 203a and the first side 203b that connects with being connected, described bottom surface 203a is positioned at outside the back side 204 of described LGP, and described a plurality of side 203b lay respectively at outside the side of described LGP 204.Fig. 4 is the generalized section along another embodiment of the A-A ' direction in backlight module shown in Figure 2.As shown in Figure 4, in another embodiment, described framework 203 is except comprising that a bottom surface 203a is vertically connected at bottom surface 203a and the first side 203b that connects with being connected, comprise that also at least one is vertically connected at the 3rd 203c of side, outside described the 3rd 203 part front that is positioned at described LGP 204.Described the 3rd 203c can more firmly fix described LGP 204.Described LGP 204 adopts integral formation method with described framework, therefore the structure of described LGP can be according to the technological requirement specific design of concrete structure and the backlight module of framework 203, and other structures of framework 203 that can place and fix described LGP 204 are all within thought range of the present utility model.
In addition, in conjunction with Fig. 3 a, described backlight module 200 also comprises backboard 201, and described backboard is arranged at outside described framework 203, and described framework 203 can or be fixed (indicating in figure) by coupler construction by two-sided tape with described backboard 201 and fix.Fig. 5 is the local amplification stereogram of backlight module shown in Figure 2; Fig. 6 is the generalized section along the B-B ' direction in backlight module shown in Figure 2.In conjunction with Fig. 5 and Fig. 6, described LGP 204 also surrounds a receiving space with described framework 203, described receiving space can be placed light source 207 and the optical diaphragm group 205 of described backlight module 200, and wherein light source is arranged in described receiving space and is positioned at described LGP one side; Optical diaphragm group 205 is arranged in described receiving space and is positioned on described LGP 204, described optical diaphragm group 205 is positioned on described LGP 204, and described optical diaphragm group 205 comprises diffusion sheet 205c, lower brightening piece 205b and upper brightening piece 205a from bottom to top successively.Particularly, have at least one and keep away a hole 300 at least one side of described framework 205, described light source 207 is arranged at described keeping away in a hole 300.In the present embodiment, described lamp spare is the LED lamp.
The utility model also provides a kind of liquid crystal indicator, and described liquid crystal indicator comprises backlight module described in the utility model.Fig. 7 is the structural representation of liquid crystal indicator in the utility model one embodiment.For example as shown in Figure 7, the liquid crystal indicator of described backlight module 200 and liquid crystal display 210 compositions also belongs to the scope of the utility model protection.
In sum, the utility model provides a kind of backlight module different from the prior art structure, described backlight module comprises LGP and has the framework of reflecting material, and described LGP and framework adopt injection molding technology to form unitary member, thereby when improving display effect and structural strength, the process of existing man-made assembly backlight module is become the Shooting Technique of mechanization, and then improve the production efficiency of backlight module.
Further, liquid crystal indicator described in the utility model adopts above-mentioned back light module unit structure, can improve display effect, reduces production costs.
Although the utility model discloses as above with preferred embodiment; so it is not to limit the utility model; have in technical field under any and usually know the knowledgeable; within not breaking away from spirit and scope of the present utility model; when doing a little change and retouching, therefore protection domain of the present utility model is as the criterion when looking claims person of defining.
Claims (13)
1. a backlight module, is characterized in that, comprises framework and LGP, and described framework is reflecting material, and described LGP is positioned at described framework, and described LGP and described framework are formed in one.
2. backlight module as claimed in claim 1, is characterized in that, the reflectivity of described framework is greater than 50%.
3. backlight module as claimed in claim 2, is characterized in that, the material of described framework is poly terephthalic acid class plastic foam material.
4. backlight module as described in any one in claims 1 to 3, it is characterized in that, described framework comprises that a bottom surface is vertically connected at bottom surface and the first side that connects with being connected, and described bottom surface is positioned at outside the back side of described LGP, and described a plurality of sides lay respectively at outside the side of described LGP.
5. backlight module as claimed in claim 4, is characterized in that, described framework comprises that also at least one is vertically connected at the 3rd of side, and described the 3rd face is positioned at outside the part front of described LGP.
6. backlight module as described in any one in claims 1 to 3, is characterized in that, the periphery of described framework also scribbles reflectance coating.
7. backlight module as described in any one in claims 1 to 3, is characterized in that, described LGP and described framework are injection moulding integrated molding.
8. backlight module as described in any one in claims 1 to 3, is characterized in that, described LGP and described framework surround a receiving space.
9. backlight module as described in claim 8 any one, is characterized in that, described backlight module also comprises: be arranged in described receiving space and be positioned at the light source of described LGP one side; And
Be arranged in described receiving space and be positioned at optical diaphragm group on described LGP.
10. backlight module as claimed in claim 9, is characterized in that, has at least one at least one side of described framework and keep away a hole, and described light source is arranged at described keeping away in a hole.
11. backlight module as claimed in claim 10 is characterized in that, described light source is the LED lamp.
12. backlight module as described in any one in claims 1 to 3 is characterized in that described backlight module also comprises backboard, described framework and described backboard are fixed by two-sided tape or coupler construction.
13. a liquid crystal indicator is characterized in that, described liquid crystal indicator comprises backlight module as described in any one in claim 1-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207218901U CN203010410U (en) | 2012-12-24 | 2012-12-24 | Backlight module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207218901U CN203010410U (en) | 2012-12-24 | 2012-12-24 | Backlight module and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203010410U true CN203010410U (en) | 2013-06-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207218901U Expired - Lifetime CN203010410U (en) | 2012-12-24 | 2012-12-24 | Backlight module and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203010410U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373871A (en) * | 2014-11-17 | 2015-02-25 | 深圳市华星光电技术有限公司 | Backlight module and display with the same |
| CN104536167A (en) * | 2014-12-23 | 2015-04-22 | 深圳市华星光电技术有限公司 | Narrow-border display device |
| CN106970487A (en) * | 2017-04-26 | 2017-07-21 | 厦门天马微电子有限公司 | Backlight module and display device |
-
2012
- 2012-12-24 CN CN2012207218901U patent/CN203010410U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373871A (en) * | 2014-11-17 | 2015-02-25 | 深圳市华星光电技术有限公司 | Backlight module and display with the same |
| CN104536167A (en) * | 2014-12-23 | 2015-04-22 | 深圳市华星光电技术有限公司 | Narrow-border display device |
| WO2016101383A1 (en) * | 2014-12-23 | 2016-06-30 | 深圳市华星光电技术有限公司 | Narrow bezel display device |
| CN106970487A (en) * | 2017-04-26 | 2017-07-21 | 厦门天马微电子有限公司 | Backlight module and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
|
| CX01 | Expiry of patent term |