CN1987600A - Back light module and liquid crystal display - Google Patents
Back light module and liquid crystal display Download PDFInfo
- Publication number
- CN1987600A CN1987600A CN 200510121190 CN200510121190A CN1987600A CN 1987600 A CN1987600 A CN 1987600A CN 200510121190 CN200510121190 CN 200510121190 CN 200510121190 A CN200510121190 A CN 200510121190A CN 1987600 A CN1987600 A CN 1987600A
- Authority
- CN
- China
- Prior art keywords
- light source
- guide plate
- light guide
- light
- module backlight
- 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.)
- Pending
Links
Images
Landscapes
- Liquid Crystal (AREA)
Abstract
The backlight module includes a light guide plate, a light source, and a reflection cover for light source. The light guide plate includes a light entering face, a light coming out face conterminous to the light entering face, and bottom face setup opposite to the light coming out face. The reflection cover and the light entering face of the light guide plate form a space for housing the light source. The reflection cover includes a top part and a base part setup oppositely. The top part bunts the light coming out face of the light guide plate, and the base part of the reflection cover is near to the bottom face of the light guide plate. The top part includes a tail end, and the base part includes a tail end. The end of the top part is more far from the light entering face than the tail end of the base part from the light entering face. The backlight module is easy to be assembled. The invention also discloses a liquid crystal display of using the backlight module.
Description
[technical field]
The invention relates to the LCD of a kind of module backlight and this module backlight of use.
[background technology]
Because advantages such as the liquid crystal indicator tool is light, thin, power consumption is little are widely used in modernized information equipments such as notebook, mobile phone, personal digital assistant.
A kind of LCD of prior art as shown in Figure 1, this LCD 1 comprises a fore shell 11, a glue frame 13, a display panels 17, module backlight 19 and a back cover (figure do not show).This fore shell 11 is combined to form the receiving space of accommodating this glue frame 13, display panels 17 and module backlight 19 with this back cover.And this display panels 17 and these module 19 stacked settings backlight.
This fore shell 11 comprises a leading-edge panel 111 and a lateral margin plate 113 vertical mutually and that be connected.
This glue frame 13 comprises a supporting walls 131 and a supporting part 133 vertical mutually and that be connected.This supporting part 133 comprises inwall 135, and this inwall 135 is a cascaded surface, and it comprises first platform 137 and second platform 139.The leading-edge panel 111 of this fore shell 11 covers the supporting part 133 of these glue frames 13, and forms the space of accommodating this liquid crystal panel 17 with first platform 137 of this supporting part 133.
This display panels 17 comprises viewing area 171 and non-display area 172.
This module 19 backlight comprises two brightening pieces 191, a light guide plate 193, a reflector plate 195, a backboard 194 and a light sources 197 of stacked setting.This two brightening piece 191 is positioned on second platform 139 of this inwall 135.This backboard 194 comprises a vertical and continuous loading plate 1941 and side plate 1943 mutually.This light guide plate 193, reflector plate 195 and light sources 197 are positioned at the supporting walls 131 of this glue frame 13 and the receiving space of loading plate 1941 formation of this backboard 194.The incidence surface 1935 that this light guide plate 193 comprises an exiting surface 1931, join with this exiting surface 1931 and the bottom surface 1933 of relative these exiting surface 1931 settings.This light sources 197 comprises light source 1971 and light source reflecting housing 1972.This light source reflecting housing 1972 is a U-shaped.This light source reflecting housing 1972 forms the space of accommodating this light source 1971 from this light guide plate 193 of incidence surface 1935 clampings and this reflector plate 195 of this light guide plate 193.
Because 1972 one-tenth U-shapeds of light source reflecting housing of this light sources 197, when assembling the module 19 backlight of this LCD 1, this light guide plate 193 and reflector plate 195 must be pressed into this light source reflecting housing 1972, thereby this light source reflecting housing 1972 clamps this light guide plate 193, then this light guide plate 193, reflector plate 195 and this light sources 197 are placed in this backboard 194, so the module backlight 19 of this LCD 1 is not easy to assembling.
[summary of the invention]
In order to overcome the defective that module backlight is not easy to assemble in the prior art, be necessary to provide a kind of module of being convenient to assemble backlight.
Also be necessary to provide a kind of LCD of using above-mentioned module backlight.
A kind of module backlight, it comprises a light guide plate, one light source and a light source reflecting housing, this light guide plate comprises an incidence surface, one exiting surface that joins with this incidence surface and one and the bottom surface that is oppositely arranged of this exiting surface, the incidence surface of this light source reflecting housing and this light guide plate forms the receiving space of accommodating this light source, this light source reflecting housing comprises a top and a bottom that is oppositely arranged, this top is against the exiting surface of this light guide plate, this bottom is near the bottom surface of this light guide plate, this top comprises an end, this bottom comprises a tail end, the end at this top than the tail end of this bottom away from this incidence surface.
A kind of LCD, it comprises a display panels and a module backlight of stacked setting, this module backlight comprises a light guide plate, one light source and a light source reflecting housing, this light guide plate comprises an incidence surface, one exiting surface that joins with this incidence surface and one and the bottom surface that is oppositely arranged of this exiting surface, this light source reflecting housing comprises a top and a bottom that is oppositely arranged, this top is against the exiting surface of this light guide plate, this bottom is near the bottom surface of this light guide plate, the incidence surface of this light source reflecting housing and this light guide plate forms the receiving space of accommodating this light source, this top comprises an end, this bottom comprises a tail end, the end at this top than the tail end of this bottom away from this incidence surface.
As the further improvement of above-mentioned LCD, this display panels comprises a viewing area and is positioned at a non-display area of this periphery, viewing area that the end at this top is over against the intersection of this viewing area and this non-display area.
Compared with prior art, the end at the top of the light source reflecting housing of above-mentioned module backlight and LCD is than the tail end of this bottom incidence surface away from this light guide plate, when assembling this module backlight, the top of this light source reflecting housing is compressed the exiting surface of this light guide plate, direction is pushed this light source reflecting housing to the bottom surface of this light guide plate, thereby this this light guide plate of light source reflecting housing clamping, this module backlight are convenient to assembling, thereby adopt the LCD of this module backlight to be convenient to assembling.When the viewing area of the end at the top of this light source reflecting housing and this display panels and non-display area intersection over against the time, the light leakage that can reduce from module backlight is incident upon this non-display area, penetrate and cause light leakage phenomena from this non-display area thereby reduce this light, so the display quality of this LCD is better.
[description of drawings]
Fig. 1 is the LCD synoptic diagram of prior art.
Fig. 2 is the synoptic diagram of preferable first embodiment of LCD of the present invention.
Fig. 3 is the light source reflecting housing assembling synoptic diagram of LCD of the present invention.
Fig. 4 is the light source reflecting housing synoptic diagram of preferable second embodiment of LCD of the present invention.
[embodiment]
Preferable first embodiment of LCD of the present invention as shown in Figure 2, this LCD 2 comprises fore shell 21, glue frame 23, display panels 27, module backlight 29 and a back cover (figure do not show).This fore shell 21 is combined to form the receiving space of accommodating this glue frame 23, display panels 27 and module backlight 29 with this back cover.And this display panels 27 and these module 29 stacked settings backlight.
This fore shell 21 comprises a vertical and continuous leading-edge panel 211 and a lateral margin plate 213 mutually.
This glue frame 23 comprises a vertical and continuous supporting walls 231 and a supporting part 233 mutually.This supporting part 233 comprises inwall 235.This inwall 235 is a cascaded surface, and it comprises first platform 237 and second platform 239, and this two platform 239 is lower than this first platform 239.The supporting part 233 of this glue frame 23 and 211 combinations of the leading-edge panel of this fore shell 21, thus first platform 237 of this supporting part 233 and this leading-edge panel 211 define a space of accommodating this liquid crystal panel 27.
This display panels 27 comprises viewing area 271 and is positioned at the non-display area 273 of these 271 peripheries, viewing area.
This module 29 backlight comprises two brightening pieces 291, a light guide plate 293, a reflector plate 295, a backboard 294 and a light sources 297 of stacked setting.This two brightening piece 2091 is positioned at second platform 239 of this inwall 235 and the space that this display panels 27 defines.This backboard 294 comprises a vertical and continuous loading plate 2941 and side plate 2943 mutually.This loading plate 2941 comprises a depressed part 2945 that is arranged on these loading plate 2,941 one ends.The receiving space that the supporting walls 231 that this light guide plate 293, reflector plate 295 and light sources 297 are positioned at this glue frame 23 and the loading plate 2941 of this backboard 294 form, and the depressed part 2945 that 297 pairs of this light sources should backboard 294 is provided with.The incidence surface 2935 that this light guide plate 293 comprises an exiting surface 2931, join with this exiting surface 2931 and the bottom surface 2933 of relative these exiting surface 2931 settings.
This light sources 297 comprises light source reflecting housing 2972 and light source 2971.This light source reflecting housing 2972 comprises a top 2974, a bottom 2976 that is oppositely arranged and connects the connecting portion 2975 of this top 2974 and this bottom 2976.This bottom 2976 is wider than at this top 2974, promptly the end 2978 at this top 2974 than the tail end 2977 of this bottom 2976 away from this light source 2971, and should end 2978 over against the viewing area 271 of this display panels 27 and the intersection of non-display area 273.This light source reflecting housing 2972 is from this light guide plate 293 of incidence surface 2935 clampings of this light guide plate 293, thereby this light source reflecting housing 2972 forms the space that holds this light source 2971 with this incidence surface 2935, and the top 2974 of this light source reflecting housing 2972 contacts with the exiting surface 2931 of this light guide plate 293, the bottom 2976 of this light source reflecting housing 2972 contacts with the bottom surface 2933 of this light guide plate 293, and near reflector plate 295.
Please, when assembling this LCD 2, this reflector plate 295 is placed in this backboard 294 in the lump with reference to Fig. 3; This light guide plate 293 is placed on this reflector plate 295; Depressed part 2945 that should backboard 294 with 297 pairs of light sources is provided with, the top 2974 of this light source reflecting housing 2972 is compressed the exiting surface 2931 of this light guide plate 293, the bottom 2976 of this light source reflecting housing 2972 is towards this depressed part 2945, push this light source reflecting housing 2972 to these depressed part 2945 directions, thereby magnify with the opening that this bottom 2976 constitutes at the top of this light source reflecting housing 2,972 2974, the bottom surface 2933 of this light guide plate 293 is stretched in the space that this bottom 2976 utilizes this depressed part 2945 to form, thereby this light source reflecting housing 2972 is from this light guide plate 293 of incidence surface 2935 clampings of this light guide plate 293, and this bottom 2976 is positioned at this depressed part 2945; With glue frame 23 place this light guide plate 293 on, and the loading plate 2941 of the supporting walls 231 of this glue frame 23 and this backboard 294 forms the spatial accommodation that holds this reflector plate 295, light guide plate 293 and light sources 297; This brightening piece 291 is placed on second platform 239 of this glue frame 23; This display panels 27 is placed on this first platform 237; This fore shell 21 is covered this glue frame 23, and make up with bonnet.
Light source reflecting housing 2972 of the present invention is because its bottom 2976 is wider than at its top 2974, therefore this light source reflecting housing 2972 can be made up with this light guide plate 293 in this backboard 294, and during assembling, the top 2974 of this light source reflecting housing 2972 compresses the exiting surface 2931 of this light guide plate 293, push this light source reflecting housing 2972, the bottom surface 2933 of light guide plate 293 is stretched in the space that the bottom 2976 of this light source reflecting housing 2972 can utilize the depressed part 2945 of this backboard 294 to form, thereby this assemble method is easier.And because the end 2978 at the top 2974 of this light source reflecting housing 2972 is over against the viewing area 271 of this display panels 27 and the intersection of non-display area 273, therefore can reduce from the light transmission of module 29 backlight non-display area 273 to this display panels 27, penetrate and cause light leakage phenomena to direction of observation from the non-display area 273 of this display panels 27 thereby can reduce light, so the display quality of this LCD 2 is better.
Preferable second embodiment of LCD of the present invention as shown in Figure 4, the difference of this LCD and this LCD 2 is: the end 3978 at the top 3974 of the light source reflecting housing 3972 of this LCD is to the little warpage of opening direction that increases this light source reflecting housing 3972, this bottom 3976 comprises a tail end 3977, this tail end 3977 is to the opening direction warpage that reduces this light source reflecting housing 3972, this tail end 3977 comprises first curved end 3979 and second curved end 3980, and 3980 one-tenth curved surfaces of this first curved end 3979 and this second curved end are connected.This LCD is compared with LCD 2, can reduce this light source reflecting housing 3972 scratch light guide plate in the process that this LCD is installed.
It is described that LCD 2 of the present invention is not limited to above-mentioned embodiment, and for example: this light source reflecting housing 2972 can be with light guide plate 293 and reflector plate 295 clampings, and just the bottom 2933 of this light source reflecting housing 2972 is between this reflector plate 295 and this backboard 294.
Claims (9)
1. module backlight, it comprises a light guide plate, one light source and a light source reflecting housing, this light guide plate comprises an incidence surface, one exiting surface that joins with this incidence surface and one and the bottom surface that is oppositely arranged of this exiting surface, the incidence surface of this light source reflecting housing and this light guide plate forms the receiving space of accommodating this light source, this light source reflecting housing comprises a top and a bottom that is oppositely arranged, this top is against the exiting surface of this light guide plate, this bottom is near the bottom surface of this light guide plate, this top comprises an end, this bottom comprises a tail end, it is characterized in that: the end at this top than the tail end of this bottom away from this incidence surface.
2. module backlight as claimed in claim 1 is characterized in that: an opening is formed on this top and this bottom, and this end is to the direction warpage that increases this opening.
3. module backlight as claimed in claim 1 is characterized in that: an opening is formed on this top and this bottom, and this tail end is to reducing this opening direction warpage.
4. module backlight as claimed in claim 1 is characterized in that: this tail end comprises first curved end and one second curved end, and this first curved end becomes curved surface to be connected with this second curved end.
5. module backlight as claimed in claim 1, it is characterized in that: this module backlight comprises a backboard, and this backboard carries this light guide plate, light source and light source reflecting housing, and this backboard comprises a loading plate, this loading plate comprises a depressed part, and this depressed part is to should the light source reflecting housing setting.
6. module backlight as claimed in claim 1 is characterized in that: this module backlight comprises a reflector plate, and this reflector plate is near the bottom surface of this light guide plate.
7. module backlight as claimed in claim 6, wherein this reflector plate is between the bottom of the bottom surface of this light guide plate and this light source reflecting housing.
8. LCD, a display panels and a module backlight that it comprises stacked setting is characterized in that: this module backlight is each described module backlight of claim 1 to 7.
9. LCD as claimed in claim 8 is characterized in that: this display panels comprises a viewing area and is positioned at a non-display area of this periphery, viewing area that the end at this top is over against the intersection of this viewing area and this non-display area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510121190 CN1987600A (en) | 2005-12-23 | 2005-12-23 | Back light module and liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510121190 CN1987600A (en) | 2005-12-23 | 2005-12-23 | Back light module and liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1987600A true CN1987600A (en) | 2007-06-27 |
Family
ID=38184452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510121190 Pending CN1987600A (en) | 2005-12-23 | 2005-12-23 | Back light module and liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1987600A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425770A (en) * | 2011-11-25 | 2012-04-25 | 深圳市华星光电技术有限公司 | Light bar fixing device, backlight module and liquid crystal display |
| CN102494269A (en) * | 2011-11-22 | 2012-06-13 | 深圳市华星光电技术有限公司 | Backlight module of display device |
| CN103383085A (en) * | 2012-05-04 | 2013-11-06 | 苏州璨宇光学有限公司 | Backlight module and display device |
| CN104791668A (en) * | 2015-04-30 | 2015-07-22 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal displayer comprising the same |
| CN105090819A (en) * | 2015-07-10 | 2015-11-25 | 武汉华星光电技术有限公司 | Narrow-edge frame backlight module as well as display device and assembly method thereof |
| CN109027731A (en) * | 2018-10-29 | 2018-12-18 | 启东盛丽光电科技有限公司 | The lamps and lanterns of replaceable LED lamp source mould group |
| WO2021147848A1 (en) * | 2020-01-20 | 2021-07-29 | 京东方科技集团股份有限公司 | Backlight module and display apparatus |
-
2005
- 2005-12-23 CN CN 200510121190 patent/CN1987600A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494269A (en) * | 2011-11-22 | 2012-06-13 | 深圳市华星光电技术有限公司 | Backlight module of display device |
| CN102425770A (en) * | 2011-11-25 | 2012-04-25 | 深圳市华星光电技术有限公司 | Light bar fixing device, backlight module and liquid crystal display |
| CN103383085A (en) * | 2012-05-04 | 2013-11-06 | 苏州璨宇光学有限公司 | Backlight module and display device |
| CN104791668A (en) * | 2015-04-30 | 2015-07-22 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal displayer comprising the same |
| CN105090819A (en) * | 2015-07-10 | 2015-11-25 | 武汉华星光电技术有限公司 | Narrow-edge frame backlight module as well as display device and assembly method thereof |
| CN109027731A (en) * | 2018-10-29 | 2018-12-18 | 启东盛丽光电科技有限公司 | The lamps and lanterns of replaceable LED lamp source mould group |
| WO2021147848A1 (en) * | 2020-01-20 | 2021-07-29 | 京东方科技集团股份有限公司 | Backlight module and display apparatus |
| US11402567B2 (en) | 2020-01-20 | 2022-08-02 | Chongqing Boe Optoelectronics Technology Co., Ltd. | Backlight assembly and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1987600A (en) | Back light module and liquid crystal display | |
| CN100406985C (en) | Liquid crystal display | |
| CN100529885C (en) | Backlight module group and liquid crystal display device | |
| CN103017043B (en) | Backlight module and display device using same | |
| US20070229726A1 (en) | Liquid crystal display device | |
| TW200630698A (en) | Backlight assembly and display device having the same | |
| CN101344661B (en) | LCD device and its assembly method | |
| US7636137B2 (en) | Double-sided display liquid crystal module | |
| TW470924B (en) | Side-lighting type surface light source device, method for manufacturing the same, electrooptical apparatus, and electronic equipment | |
| CN202362556U (en) | Novel liquid crystal display module | |
| CN102103286B (en) | Display screen structure | |
| CN203519971U (en) | Liquid crystal display device | |
| CN101598861B (en) | Liquid crystal display and frame thereof | |
| CN207301560U (en) | A kind of backlight connection component and backlight module | |
| WO2016187900A1 (en) | Backlight module and display apparatus | |
| CN100414385C (en) | Liquid crystal display | |
| CN101886773A (en) | Backlight module, liquid crystal display device and assembling method thereof | |
| CN112305812A (en) | Backlight module and display device | |
| CN203965759U (en) | A kind of liquid crystal module assembly structure | |
| CN100538459C (en) | Liquid crystal indicator | |
| CN201307200Y (en) | Display module and terminal machine provided with same | |
| CN105425465B (en) | Liquid crystal display and its backlight module | |
| JP2007171738A (en) | Liquid crystal module | |
| CN100464231C (en) | Liquid crystal display | |
| TWI408462B (en) | Backlight module and liquid crystal display |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |