CN1896830A - Light-negative moulding set and liquid-crystal display device - Google Patents
Light-negative moulding set and liquid-crystal display device Download PDFInfo
- Publication number
- CN1896830A CN1896830A CN 200510036041 CN200510036041A CN1896830A CN 1896830 A CN1896830 A CN 1896830A CN 200510036041 CN200510036041 CN 200510036041 CN 200510036041 A CN200510036041 A CN 200510036041A CN 1896830 A CN1896830 A CN 1896830A
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- Prior art keywords
- blooming piece
- light source
- guide plate
- reference column
- pilot hole
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Abstract
This invention relates to back light module and liquid crystal display device. This back light module includes one illuminant, one light guide plate, one optical diaphragm and one frame. The illuminant,the light guide plate and the optical diaphragm are set in the frame, the illuminant is on side of the light guide plate. The optical diaphragm has a gauge hole, the light guide plate has a location- pillar, the match of gauge hole and location- pillar makes the optical diaphragm fix on the light guide plate. The optical diaphragm of back light module in this invention can fix position accurately and set up conveniently.
Description
[technical field]
The present invention relates to module backlight and LCD.
[background technology]
Module backlight is the key part and component of LCD, provides brightness sufficient and uniform light source by module backlight, and liquid crystal panel can normally be shown.For the sufficient light source brightness that makes module backlight or evenly, need in module backlight, increase blooming piece usually and improve, as brightening piece or diffusion sheet etc.
The module 10 a kind of backlight of prior art as shown in Figure 1, it comprises a reflector plate 12, a light source 13, a light guide plate 14, a blooming piece 16 and a framework 18; The a plurality of teats 141 of these light guide plate 14 tools, a plurality of outstanding location divisions 161 of the side tool of this blooming piece 16, a plurality of grooves 181 of these framework 18 tools; This reflector plate 12, this light source 13, this light guide plate 14 and this blooming piece 16 are arranged in this framework 18, and this light source 13 is positioned at the side of this light guide plate 14; These a plurality of teats 141 and these a plurality of location divisions 161 cooperate with these a plurality of grooves 181, and this light guide plate 14 and this blooming piece 16 are positioned on this framework 18.
Because these a plurality of teats 141 and these a plurality of location divisions 161 shared these a plurality of grooves 181, and this a plurality of groove 181 is more shallow, and crystallized ability is relatively poor, and this blooming piece 16 easily breaks away from groove 181 when the assembling location, produce skew, make this blooming piece 16 can not accurately locate and assemble inconvenience; This framework 18 is generally plastic material, and the making precision is lower and deformation easily takes place, and easily causes this blooming piece 16 locating bias, and then influences quality backlight.
[summary of the invention]
Inconvenient problem be can not accurately locate and assemble in order to solve blooming piece of the prior art, a kind of accurate location blooming piece and module backlight easy to assembly are necessary to provide.
Can not accurately locate and assemble inconvenient problem in order to solve blooming piece of the prior art, be necessary to provide a kind of LCD that adopts this module backlight.
The disclosed a kind of module backlight of a preferred embodiment of the present invention, it comprises a light source, an optical element, a blooming piece and a framework; This blooming piece tool one pilot hole, this optical element tool one reference column; This light source, this optical element and this blooming piece are arranged in this framework, and this pilot hole cooperates with this reference column is fixed on this optical element this blooming piece.
The disclosed a kind of LCD of a preferred embodiment of the present invention, it comprises a liquid crystal panel and a module backlight; This module backlight comprises a light source, an optical element, a blooming piece and a framework; This blooming piece tool one pilot hole, this optical element tool one reference column; This light source, this optical element and this blooming piece are arranged in this framework, and this pilot hole cooperates with this reference column is fixed on this optical element this blooming piece.
Compared to prior art, blooming piece tool one pilot hole of this module backlight, and optical element tool one reference column of this module backlight, this pilot hole cooperate with this reference column is fixed on this optical element this blooming piece.During assembling, this pilot hole can be finished assembling on this reference column, make that this blooming piece assembling is convenient; Because optical element is made the precision height and is the rigidity material, be difficult for producing deformation, fix this blooming piece by the reference column of this optical element, can improve fixed precision, accurately locate this blooming piece.
Inconvenient problem be can not accurately locate and assemble in order to solve blooming piece of the prior art, another kind of accurately location blooming piece and module backlight easy to assembly are necessary to provide.
Can not accurately locate and assemble inconvenient problem in order to solve blooming piece of the prior art, be necessary to provide a kind of LCD that adopts this another module backlight.
The disclosed another kind of a preferred embodiment of the present invention module backlight, it comprises a light source, a light guide plate, a blooming piece and a framework; This blooming piece tool one pilot hole, this light guide plate tool one reference column; This light source, this light guide plate and this blooming piece are arranged in this framework, and this light source is positioned at the side of this light guide plate, and this pilot hole cooperates with this reference column is fixed on this light guide plate this blooming piece.
The disclosed another kind of LCD of a preferred embodiment of the present invention, it comprises a liquid crystal panel and a module backlight; This module backlight comprises a light source, a light guide plate, a blooming piece and a framework; This blooming piece tool one pilot hole, this light guide plate tool one reference column; This light source, this light guide plate and this blooming piece are arranged in this framework, and this light source is positioned at the side of this light guide plate, and this pilot hole cooperates with this reference column is fixed on this light guide plate this blooming piece.
Compared to prior art, blooming piece tool one pilot hole of this module backlight, and light guide plate tool one reference column of this module backlight, this pilot hole cooperate with this reference column is fixed on this light guide plate this blooming piece.During assembling, this pilot hole can be finished assembling on this reference column, make that this blooming piece assembling is convenient; Because light guide plate is made the precision height and is the rigidity material, be difficult for producing deformation, fix this blooming piece by the reference column of this light guide plate, can improve fixed precision, accurately locate this blooming piece.
Inconvenient problem be can not accurately locate and assemble in order to solve blooming piece of the prior art, another accurately location blooming piece and module backlight easy to assembly are necessary to provide.
Can not accurately locate and assemble inconvenient problem in order to solve blooming piece of the prior art, be necessary to provide a kind of LCD that adopts this another module backlight.
The disclosed a kind of module backlight of another preferred embodiment of the present invention, it comprises a light source, a diffuser plate, a blooming piece and a framework; This blooming piece tool one pilot hole, this diffuser plate tool one reference column; This light source, this diffuser plate and this blooming piece are arranged in this framework, this light source and the stacked setting of this diffuser plate, and this pilot hole cooperates with this reference column is fixed on this diffuser plate this blooming piece.
The disclosed a kind of LCD of another preferred embodiment of the present invention, it comprises a liquid crystal panel and a module backlight; This module backlight comprises a light source, a diffuser plate, a blooming piece and a framework; This blooming piece tool one pilot hole, this diffuser plate tool one reference column; This light source, this diffuser plate and this blooming piece are arranged in this framework, this light source and the stacked setting of this diffuser plate, and this pilot hole cooperates with this reference column is fixed on this diffuser plate this blooming piece.
Compared to prior art, blooming piece tool one pilot hole of this module backlight, and diffuser plate tool one reference column of this module backlight, this pilot hole cooperate with this reference column is fixed on this diffuser plate this blooming piece.During assembling, this pilot hole can be finished assembling on this reference column, make that this blooming piece assembling is convenient; Because diffuser plate is made the precision height and is the rigidity material, be difficult for producing deformation, fix this blooming piece by the reference column of this diffuser plate, can improve fixed precision, accurately locate this blooming piece.
[description of drawings]
Fig. 1 is the perspective exploded view of prior art module backlight.
Fig. 2 is the perspective exploded view of LCD first embodiment of the present invention.
Fig. 3 is the perspective exploded view of LCD second embodiment of the present invention.
[embodiment]
LCD first embodiment of the present invention as shown in Figure 2, this LCD 20 comprises a housing 30, a liquid crystal panel 40 and a module 50 backlight, the three is cascading; This module 50 backlight comprises a reflector plate 52, a light source 53, a light guide plate 54, a blooming piece 56 and a framework 58.
The a plurality of teats 541 of the side tool of this light guide plate 54, a plurality of positioning cylinders 542 of these a plurality of teat 541 tools; The a plurality of outstanding location divisions 561 of the side tool of this blooming piece 56, a plurality of circular pilot holes 562 of these a plurality of location divisions 561 tools; The a plurality of grooves 581 of these framework 58 tools.
This reflector plate 52, this light source 53, this light guide plate 54 and this blooming piece 56 are arranged in this framework 58, and this light source 53 is positioned at the side of this light guide plate 54; These a plurality of pilot holes 562 match with these a plurality of reference columns 542 this blooming piece 56 are fixed on this light guide plate 54; These a plurality of teats 541 cooperate with these a plurality of grooves 581 fixes this light guide plate 54.
LCD second embodiment of the present invention is with the first embodiment difference as shown in Figure 3: the module backlight 60 of this LCD 21 comprises a reflector plate 62, a light source 63, a diffuser plate 64, a blooming piece 66 and a framework 68.
The a plurality of teats 641 of the side tool of this diffuser plate 64, a plurality of positioning cylinders 642 of these a plurality of teat 641 tools; The a plurality of outstanding location divisions 661 of the side tool of this blooming piece 66, a plurality of circular pilot holes 662 of these a plurality of location divisions 661 tools; The a plurality of grooves 681 of these framework 68 tools.
This reflector plate 62, this light source 63, this diffuser plate 64 and this blooming piece 66 are arranged in this framework 68, this light source 63 and these diffuser plate 64 stacked settings; These a plurality of pilot holes 662 match with these a plurality of reference columns 642 this blooming piece 66 are fixed on this diffuser plate 64; These a plurality of teats 641 cooperate with these a plurality of grooves 681 fixes this diffuser plate 64.
Blooming piece 66 tools one pilot hole 662 of this LCD 21, and diffuser plate 64 tools one reference column 642 of this LCD 21, this pilot hole 662 cooperates with this reference column 642 is fixed on this diffuser plate 64 this blooming piece 66.During assembling, this pilot hole can be finished assembling on this reference column, make that this blooming piece assembling is convenient; Because diffuser plate is made the precision height and is the rigidity material, be difficult for producing deformation, fix this blooming piece by the reference column of this diffuser plate, can improve fixed precision, accurately locate blooming piece.
The reference column of above-mentioned LCD is not limited to cylinder, can also be polygon prism; The pilot hole of above-mentioned LCD also is not limited to circle, also can be polygon.
Claims (11)
1. a module backlight, it comprises: a light source, an optical element, a blooming piece and a framework, this light source, this optical element and this blooming piece are arranged in this framework, it is characterized in that: this blooming piece tool one pilot hole, this optical element tool one reference column, this pilot hole match with this reference column this blooming piece are fixed on this optical element.
2. module backlight according to claim 1 is characterized in that: this optical element is a light guide plate, and this light source is positioned at this light guide plate side.
3. module backlight according to claim 1 is characterized in that: this optical element is a diffuser plate, this light source and the stacked setting of this diffuser plate.
4. module backlight according to claim 1 is characterized in that: the location division that the side tool one of this blooming piece is given prominence to, and this pilot hole is positioned on this location division; Side tool one teat of this optical element, this reference column is positioned on this teat.
5. module backlight according to claim 1 is characterized in that: this pilot hole be shaped as circle, this reference column is a cylinder.
6. as the module backlight as described in the claim 4, it is characterized in that: this framework further comprises a groove, and this groove cooperates with this teat fixes this optical element.
7. a LCD, it comprises a liquid crystal panel and a module backlight; This module backlight comprises: a light source, an optical element, a blooming piece and a framework, this light source, this optical element and this blooming piece are arranged in this framework, it is characterized in that: this blooming piece tool one pilot hole, this optical element tool one reference column, this pilot hole match with this reference column this blooming piece are fixed on this optical element.
8. a module backlight, it comprises: a light source, a light guide plate, a blooming piece and a framework, this light source, this light guide plate and this blooming piece are arranged in this framework, this light source is positioned at the side of this light guide plate, it is characterized in that: this blooming piece tool one pilot hole, this light guide plate tool one reference column, this pilot hole match with this reference column this blooming piece are fixed on this light guide plate.
9. a LCD, it comprises a liquid crystal panel and a module backlight; This module backlight comprises: a light source, a light guide plate, a blooming piece and a framework, this light source, this light guide plate and this blooming piece are arranged in this framework, this light source is positioned at the side of this light guide plate, it is characterized in that: this blooming piece tool one pilot hole, this light guide plate tool one reference column, this pilot hole match with this reference column this blooming piece are fixed on this light guide plate.
10. a module backlight, it comprises: a light source, a diffuser plate, a blooming piece and a framework, this light source, this diffuser plate and this blooming piece are arranged in this framework, this light source and the stacked setting of this diffuser plate, it is characterized in that: this blooming piece tool one pilot hole, this diffuser plate tool one reference column, this pilot hole match with this reference column this blooming piece are fixed on this diffuser plate.
11. a LCD, it comprises a liquid crystal panel and a module backlight; This module backlight comprises: a light source, a diffuser plate, a blooming piece and a framework, this light source, this diffuser plate and this blooming piece are arranged in this framework, this light source and the stacked setting of this diffuser plate, it is characterized in that: this blooming piece tool one pilot hole, this diffuser plate tool one reference column, this pilot hole match with this reference column this blooming piece are fixed on this diffuser plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510036041 CN1896830A (en) | 2005-07-15 | 2005-07-15 | Light-negative moulding set and liquid-crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510036041 CN1896830A (en) | 2005-07-15 | 2005-07-15 | Light-negative moulding set and liquid-crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1896830A true CN1896830A (en) | 2007-01-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510036041 Pending CN1896830A (en) | 2005-07-15 | 2005-07-15 | Light-negative moulding set and liquid-crystal display device |
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| Country | Link |
|---|---|
| CN (1) | CN1896830A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691929A (en) * | 2012-02-15 | 2012-09-26 | 深圳市华星光电技术有限公司 | Backlight module |
| WO2013082769A1 (en) * | 2011-12-05 | 2013-06-13 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device thereof |
| US8708546B2 (en) | 2012-02-15 | 2014-04-29 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module |
| WO2014172987A1 (en) * | 2013-04-22 | 2014-10-30 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN105044977A (en) * | 2015-09-09 | 2015-11-11 | 深圳市华星光电技术有限公司 | Backlight module and display device |
-
2005
- 2005-07-15 CN CN 200510036041 patent/CN1896830A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013082769A1 (en) * | 2011-12-05 | 2013-06-13 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device thereof |
| US8937693B2 (en) | 2011-12-05 | 2015-01-20 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Back light module and liquid crystal display thereof |
| CN102691929A (en) * | 2012-02-15 | 2012-09-26 | 深圳市华星光电技术有限公司 | Backlight module |
| WO2013120295A1 (en) * | 2012-02-15 | 2013-08-22 | 深圳市华星光电技术有限公司 | Backlight module |
| US8708546B2 (en) | 2012-02-15 | 2014-04-29 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module |
| CN102691929B (en) * | 2012-02-15 | 2015-04-29 | 深圳市华星光电技术有限公司 | Backlight module |
| WO2014172987A1 (en) * | 2013-04-22 | 2014-10-30 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
| CN105044977A (en) * | 2015-09-09 | 2015-11-11 | 深圳市华星光电技术有限公司 | Backlight module and display device |
| WO2017041313A1 (en) * | 2015-09-09 | 2017-03-16 | 深圳市华星光电技术有限公司 | Backlight module and display device |
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