CN100464231C - Liquid crystal display - Google Patents
Liquid crystal display Download PDFInfo
- Publication number
- CN100464231C CN100464231C CNB2005101023270A CN200510102327A CN100464231C CN 100464231 C CN100464231 C CN 100464231C CN B2005101023270 A CNB2005101023270 A CN B2005101023270A CN 200510102327 A CN200510102327 A CN 200510102327A CN 100464231 C CN100464231 C CN 100464231C
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- Prior art keywords
- housing
- lcd
- liquid crystal
- crystal panel
- bending
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Abstract
The invention relates to a LCD, comprising a liquid crystal panel, a backlight module and an outer frame, where the liquid crystal panel is stacked with the backlight module, and the outer frame holds the liquid crystal panel and the backlight module and comprises a bending surface to fix the liquid crystal panel.
Description
[technical field]
The invention relates to a kind of LCD.
[background technology]
Because the liquid crystal itself in the panel of LCD is not luminous, thereby, for reaching display effect, a planar light source device is provided must for the LCD panel, as module backlight, to realize Presentation Function.
Prior art module backlight comprises light source, light guide plate and framework, light source is the incidence surface setting of relative light guide plate, the transmission direction that the light-guide plate guides light source emits beam, the light that line source or pointolite are transferred turns to the outgoing of uniform in-plane light to illuminate the display panels in the LCD.Framework is used for fixing each assembly of this module backlight.
A kind of LCD of prior art as shown in Figure 1, this LCD 1 comprises a liquid crystal panel 11, one module 12 backlight and a housing 13, this housing 13 is accommodated and immobile liquid crystal panel 11 and module backlight 12.
This module 12 backlight comprises a glue frame 121, a reflector plate 122, a light guide plate 123, a plurality of LED source 124, a flexible circuit board 125, a diffusion sheet 126, two brightening pieces 127 and a photo-shield strip 128.This LED source 124 is connected with this flexible circuit board 125, this flexible circuit board 125 provides luminous required electric current to this LED source 124, this LED source 124 is positioned near the incidence surface of this light guide plate 123, makes these LED source 124 emitted lights enter this light guide plate 123 inside through the incidence surface of this light guide plate 123.The light of these light guide plate 123 inside is through the scattering of site, bottom surface and reflector plate 122 reflections that place these light guide plate 123 bottom surfaces, evenly penetrated by the exiting surface of this light guide plate 123.This diffusion sheet 126 and two brightening pieces 127 are placed on the exiting surface of this light guide plate 123 successively, by diffusion and optically focused effect, with the quality of improvement output light, and then provide liquid crystal panel 11 to show the area source of usefulness.This photo-shield strip 128 prevents light leak between liquid crystal panel 11 and brightening piece 127.This glue frame 121 and this housing 13 are clasped mutually, with each assembly of this fixing module 12 backlight.
Yet, in the assembling process of LCD 1, only liquid crystal panel 11 being sticked on the photo-shield strip 128, it easily causes liquid crystal panel 11 and photo-shield strip 128 to be peeled off in conjunction with also insecure.
[summary of the invention]
Fixing unstable problem for the liquid crystal panel that overcomes the prior art LCD is necessary to provide a kind of LCD that improves the constant intensity of liquid crystal panel.
A kind of LCD comprises a liquid crystal panel, a module backlight and a housing, this liquid crystal panel and the stacked setting of this module backlight, this housing is accommodated this liquid crystal panel and this module backlight, and wherein, this housing comprises that one is used to support and paste the bending side of immobile liquid crystal panel.
Compared to prior art, because the housing of this LCD is provided with bending side, this bending side is positioned at the liquid crystal panel below, liquid crystal panel is fixed on above the bending side with adhesive tape, increase the rubberizing area with this, avoid liquid crystal panel to peel off, thereby improve the constant intensity of liquid crystal panel.
[description of drawings]
Fig. 1 is the diagrammatic cross-section of prior art LCD.
Fig. 2 is the diagrammatic cross-section of first embodiment of LCD of the present invention.
Fig. 3 is the schematic perspective view of the housing of LCD shown in Figure 2.
Fig. 4 is the schematic perspective view of the another kind of structure of housing shown in Figure 3.
Fig. 5 is the diagrammatic cross-section of second embodiment of LCD of the present invention.
Fig. 6 is the schematic perspective view of the housing of LCD shown in Figure 5.
Fig. 7 is the diagrammatic cross-section of the 3rd embodiment of LCD of the present invention.
Fig. 8 is the schematic perspective view of the housing of LCD shown in Figure 7.
[embodiment]
Seeing also Fig. 2, is the diagrammatic cross-section of LCD first embodiment of the present invention.This LCD 2 comprises a liquid crystal panel 21, one module 22 backlight and a housing 23, and this liquid crystal panel 21 and module backlight 22 are accommodated and fixed to this housing 23.
This module 22 backlight comprises a glue frame 221, a reflector plate 222, a light guide plate 223, a plurality of LED source 224, a flexible circuit board 225, a diffusion sheet 26, two brightening pieces 227 and a photo-shield strip 228.This LED source 224 is connected with this flexible circuit board 225, this flexible circuit board 225 provides luminous required electric current to this LED source 224, this LED source 224 is positioned near the incidence surface of this light guide plate 223, makes these LED source 224 emitted lights enter this light guide plate 223 inside through the incidence surface of this light guide plate 223.The light of these light guide plate 223 inside is through the scattering of site, bottom surface and reflector plate 222 reflections that place these light guide plate 223 bottom surfaces, evenly penetrated by the exiting surface of this light guide plate 223.This diffusion sheet 226 and two brightening pieces 227 are placed on the exiting surface of this light guide plate 223 successively, by diffusion and optically focused effect, with the quality of improvement output light, and then provide liquid crystal panel 21 to show the area source of usefulness.This photo-shield strip 228 prevents light leak between liquid crystal panel 21 and brightening piece 227.The sidewall of this glue frame 221 (figure does not show) is provided with fixture block (figure does not show).
Seeing also Fig. 3, is the schematic perspective view of the housing of LCD shown in Figure 2.This housing 23 comprises a bottom surface 231, one first side 232, one second side 233, one the 3rd side 234 and a bending side 235 and an opening 236, this first side 232, intersect second side 233 and the 3rd side 234 and bottom surface 231, second side 233 and the 3rd side 234 are oppositely arranged, this bending side 235 is planes, it is by first side 232 lateral buckling in housing 23, this bending side 235 is identical with the height of second side 233 and the 3rd side 234 to the spacing of bottom surface 231, these opening 236 relative first sides 232 are provided with, be respectively equipped with two hole clippings 2341 on second side 233 and the 3rd side 234, the position of this hole clipping 2341 and quantity are corresponding with the fixture block on the glue frame sidewall.
When assembling module 22 backlight, at first light guide plate 223 bottom surfaces are located and attached to reflector plate 222, and reflector plate 222 and the light guide plate 223 that assembles placed in the glue frame 221, this flexible circuit board 225 that will carry LED source 224 then attaches to light guide plate 223 exiting surfaces, and LED source 224 is positioned near light guide plate 223 incidence surfaces.Glue frame 221 is inserted housing 23 by opening 236, and the hole clipping 2341 on fixture block on the glue frame 221 and housing 23 is clasped mutually, with this fixing glue frame 221 and housing 23.Diffusion sheet 226 and two brightening pieces 227 are cascading at the exiting surface of light guide plate 223.At last liquid crystal panel 21 is arranged on the brightening piece 227.
Because the bending side 235 of housing 23 is clamped liquid crystal panel 21, can avoid liquid crystal panel 21 to peel off, improve the constant intensity of liquid crystal panel 21.
Seeing also Fig. 4, is the schematic perspective view of another structure of housing.Be different from housing 23, this housing 43 comprises that three are separated the bending side 435 that is provided with.
This three bending side 435 also can be clamped liquid crystal panel, can avoid liquid crystal panel to peel off, and improves the constant intensity of liquid crystal panel.
Seeing also Fig. 5, is the diagrammatic cross-section of second embodiment of LCD of the present invention.The LCD 2 that is different from first embodiment, the bending side 535 of LCD 5 is positioned at liquid crystal panel 51 belows, and this liquid crystal panel 51 is to be fixed on the bending side 535 of housing 53 with adhesive tape.
Seeing also Fig. 6, is the schematic perspective view of the housing of LCD shown in Figure 5.Be different from housing 23, the bending side 535 of this housing 53 arrives the height of the spacing of bottom surface 531 less than second side 533 and the 3rd side 534.This bending side 535 can be a plane, also can be to separate the bending side that is provided with.
This bending side 535 provides a rubberizing face, and liquid crystal panel 51 is attached thereon, increases the rubberizing area with this, thereby avoids liquid crystal panel 51 to peel off, and also can protect the flexible circuit board 525 under the bending side 535 simultaneously.
Seeing also Fig. 7, is the diagrammatic cross-section of the 3rd embodiment of LCD of the present invention.The LCD 2 that is different from first embodiment, the bending side 735 of this LCD 7 is positioned at liquid crystal panel 71 belows, and this bending side 735 is lateral bucklings outside housing 73, and this liquid crystal panel 71 is to be fixed on the bending side 735 of housing 73 with adhesive tape.
Seeing also Fig. 8, is the schematic perspective view of the housing of LCD shown in Figure 7.Be different from housing 23, first side 732 of this housing 73 is three planes that segmentation is provided with, thereby make this first side 732 form four breach 7321, and the position of first side, 732 respective leds light sources 724 has perforate 7322, the light that LED source 724 is sent incides light guide plate 723 inside by this perforate 7322 and breach 7321 through light guide plate 723 incidence surfaces, and the flexible circuit board 725 of carrying LED source 724 also attaches to light guide plate 723 exiting surfaces by this perforate 7322.This bending side 735 is by first side 732 lateral buckling outside housing 73, and it also is three planes that segmentation is provided with, and this bending side 735 arrives the height of the spacing of bottom surface 731 less than second side 733 and the 3rd side 734.
The latter half of the first side wall 7211 of this glue frame 721 also is four sidewalls that segmentation is provided with, four breach 7321 of first side 732 of these four sidewalls, 7211 corresponding housings 73.In the assembling process of module backlight, glue frame 721 inserts housing 73, the first side wall 7211 of glue frame 721 is by four breach 7321 of housing 73, and the fixture block on glue frame 721 (figure does not show) and the hole clipping 7341 of housing 73 are clasped mutually, with this fixing glue frame 721 and housing 73.
Claims (10)
1. LCD, it comprises: a liquid crystal panel, a module backlight and a housing, this liquid crystal panel and the stacked setting of this module backlight, this housing is accommodated this liquid crystal panel and this module backlight, and it is characterized in that: this housing comprises that one is used to support and paste the bending side of immobile liquid crystal panel.
2. LCD as claimed in claim 1, it is characterized in that: this module backlight comprises a glue frame, a light source, a light guide plate and at least one blooming piece, this light guide plate comprises an incidence surface, this light source is positioned at light guide plate incidence surface side, this glue frame comprises four sidewalls, it forms a receiving space, and this light guide plate and blooming piece are stacked to be arranged in this receiving space.
3. LCD as claimed in claim 2 is characterized in that: this housing further comprises one first side, one second side, one the 3rd side and an opening, and this first side and this opening are oppositely arranged, and this second side and the 3rd side are oppositely arranged.
4. LCD as claimed in claim 3 is characterized in that: this bending side is extended and bending by first side of housing.
5. LCD as claimed in claim 4 is characterized in that: this bending side is to the inboard bending of housing.
6. LCD as claimed in claim 5 is characterized in that: this bending side is a plane.
7. LCD as claimed in claim 4 is characterized in that: this bending side is to the bending of the housing outside.
8. as claim 5 or 7 described LCD, it is characterized in that: this bending side is to the spacing of the housing bottom surface height less than housing second side and the 3rd side.
9. as claim 5 or 7 described LCD, it is characterized in that: this bending side is to separate a plurality of planes that are provided with.
10. LCD as claimed in claim 7 is characterized in that: this first side has perforate to position that should light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101023270A CN100464231C (en) | 2005-12-06 | 2005-12-06 | Liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101023270A CN100464231C (en) | 2005-12-06 | 2005-12-06 | Liquid crystal display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1979307A CN1979307A (en) | 2007-06-13 |
| CN100464231C true CN100464231C (en) | 2009-02-25 |
Family
ID=38130518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101023270A Active CN100464231C (en) | 2005-12-06 | 2005-12-06 | Liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100464231C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566023A (en) * | 2014-12-24 | 2015-04-29 | 深圳市华星光电技术有限公司 | Backlight module and display |
| CN106960660B (en) * | 2017-05-15 | 2018-11-13 | 盐城华旭光电技术有限公司 | A kind of liquid crystal display device and backlight lamp control method |
| CN109164635A (en) * | 2018-09-20 | 2019-01-08 | 厦门天马微电子有限公司 | Backlight module and its manufacturing method and display device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09304627A (en) * | 1996-05-18 | 1997-11-28 | Enplas Corp | Sidelight type surface light source device |
| JPH11237630A (en) * | 1998-02-20 | 1999-08-31 | Sanyo Electric Co Ltd | Liquid crystal display device |
| US6445430B1 (en) * | 1999-07-05 | 2002-09-03 | Kabushiki Kaisha Advanced Display | Liquid crystal display device comprising a lamp cover having a curved contacted portion with liquid crystal panel |
| JP2004342381A (en) * | 2003-05-14 | 2004-12-02 | Sharp Corp | Edge light type backlight device |
| JP2005017964A (en) * | 2003-06-30 | 2005-01-20 | Kawaguchiko Seimitsu Co Ltd | Liquid crystal display device with back light |
| CN1690794A (en) * | 2004-04-28 | 2005-11-02 | 鸿富锦精密工业（深圳）有限公司 | Liquid crystal display module |
-
2005
- 2005-12-06 CN CNB2005101023270A patent/CN100464231C/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09304627A (en) * | 1996-05-18 | 1997-11-28 | Enplas Corp | Sidelight type surface light source device |
| JPH11237630A (en) * | 1998-02-20 | 1999-08-31 | Sanyo Electric Co Ltd | Liquid crystal display device |
| US6445430B1 (en) * | 1999-07-05 | 2002-09-03 | Kabushiki Kaisha Advanced Display | Liquid crystal display device comprising a lamp cover having a curved contacted portion with liquid crystal panel |
| JP2004342381A (en) * | 2003-05-14 | 2004-12-02 | Sharp Corp | Edge light type backlight device |
| JP2005017964A (en) * | 2003-06-30 | 2005-01-20 | Kawaguchiko Seimitsu Co Ltd | Liquid crystal display device with back light |
| CN1690794A (en) * | 2004-04-28 | 2005-11-02 | 鸿富锦精密工业（深圳）有限公司 | Liquid crystal display module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1979307A (en) | 2007-06-13 |
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