CN101101406A - Backlight module and liquid crystal display device - Google Patents
Backlight module and liquid crystal display device Download PDFInfo
- Publication number
- CN101101406A CN101101406A CNA2006101062388A CN200610106238A CN101101406A CN 101101406 A CN101101406 A CN 101101406A CN A2006101062388 A CNA2006101062388 A CN A2006101062388A CN 200610106238 A CN200610106238 A CN 200610106238A CN 101101406 A CN101101406 A CN 101101406A
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- fixture
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- framework
- backlight module
- backboard
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Abstract
The invention is a backlight module and the LCD unit thereof, comprising a framework and a backboard, where the framework defines a XYZ reference frame and comprises two first strip frame bodies extending along Y axis and a second strip frame body extending along X axis, where the two strip frame body is connected with one end of each first strip frame body and the two first frame bodies each comprise an upper part and a lower part, the upper part comprises a first fixed piece extending along Z axis; the backboard holds the framework and comprises four sides and a bottom plate, the side comprises a second fixed pieces extending along X axis to fasten the first fixed piece. And it can not make the two first strip frame bodies cause the concave phenomenon.
Description
[technical field]
The invention relates to a kind of backlight module and LCD device thereof.
[background technology]
With reference to figure 1, frame 300, a liquid crystal panel 200 and a backlight module 100 before LCD device 10 mainly comprises one.This liquid crystal panel 200 has a liquid crystal layer and is arranged between a pair of upper and lower base plate, in order to show image.This backlight module is in order to illuminating this liquid crystal panel 200, and comprises a backboard 119, its with should before frame 300 be bonded to each other and this liquid crystal panel 200 and this backlight module 100 be combined into this LCD device 10.
With reference to figure 2, this backlight module 100 comprises a ㄇ font framework 105, an optical diaphragm group, a reflecting plate 117 and a plurality of light source cell 101 in addition.This ㄇ font framework 105 comprises two first strip frameworks 131 and one second strip framework 133, and wherein this second strip framework 133 is ends that are connected in these two first strip frameworks 131.This optical diaphragm group is to be disposed in this ㄇ font framework 105 such as diffusion sheet 111,113 and diffuser plate 115, in order to this liquid crystal panel 200 of the uniform directive of light that this light source cell 101 is penetrated.This reflecting plate 117 is 135 of base plates that are disposed at this optical diaphragm group and this backboard 119, reflexes to this optical diaphragm group in order to the light that this light source cell 101 is penetrated.This light source cell 101 is to be fixed on the light source cell fixture 109, and is disposed at 117 of this optical diaphragm group and this reflecting plates.This backboard 119 can hold this ㄇ font framework 105, this optical diaphragm group, this reflecting plate 117 and this light source cell 101.This backlight module 100 comprises a strip press strip 103 in addition, is connected to the other end of these two first strip frameworks 131, in order to fix this optical diaphragm group.
Yet, with reference to figure 3, when this ㄇ font framework 105 places in this backboard, often be subject to material behavior, material has the molding resilience phenomenon in process, that is two first strip frameworks 131 of this ㄇ font framework 105 can't keep straight mutually, and makes these two first strip frameworks 131 towards X-direction generation indent phenomenon, shown in the dotted line of Fig. 3, and then cause whole backlight module visually to have the shade line generation.
Therefore, just having to provide a kind of backlight module, can solve aforesaid problem.
[summary of the invention]
The object of the present invention is to provide a kind of backlight module, the structure of its framework and backboard is to be sticked in first fixture by second fixture, can make two first strip frameworks of framework keep straight mutually, and can not make this two first strip framework generation indent phenomenons.
For reaching above-mentioned purpose, the invention provides a kind of backlight module, comprise a framework and a backboard.This framework defines an XYZ coordinate, and comprise the second strip frameworks that two first strip frameworks of extending along Y direction and are extended along X-direction, wherein this second strip framework is an end that is connected in these two first strip frameworks, and these two first strip frameworks comprise a top and a bottom, and this top comprises first fixture along the Z-direction extension.This backboard holds this framework, and comprises a four side and a base plate, and wherein this side comprises second fixture along the X-direction extension, in order to be sticked in this first fixture.
The present invention also provides a kind of LCD device, it is characterized in that: comprise:
Frame before one;
One liquid crystal panel; And
One backlight module comprises:
One ㄇ font framework, define an XYZ coordinate, and comprise two the first strip framework and second strip frameworks of extending of extending along Z-direction along X-direction, wherein this second strip framework is an end that is connected in these two first strip frameworks, and these two first strip frameworks comprise a top and a bottom, and this top comprises first fixture along the Z-direction extension; And
One backboard, hold this ㄇ font framework, and comprise a four side and a base plate, wherein this side comprises second fixture along the X-direction extension, this second fixture is sticked in this first fixture, and this backboard is to be bonded to each other with this preceding frame and this liquid crystal panel and this backlight module are combined into this LCD device.
Advantage of the present invention is that the structure of this framework and backboard is sticked in this first fixture by this second fixture, can make two first strip framework tops of this framework keep straight mutually, and can not make these two first strip framework tops that the indent phenomenon takes place.
In order to allow above and other objects of the present invention, feature and the advantage can be more obvious, hereinafter will cooperate appended icon, be described in detail below.
[description of drawings]
Fig. 1 is the perspective exploded view of the LCD device of background technology.
Fig. 2 is the perspective exploded view of the backlight module of background technology.
Fig. 3 is the schematic perspective view of the ㄇ font framework of background technology, and it shows two first strip framework generation indent phenomenons of this ㄇ font framework.
Fig. 4 is the perspective exploded view of the backlight module of one embodiment of the invention.
Fig. 5 is the sectional perspective decomposing schematic representation of framework of the present invention and backboard.
Fig. 6 is the sectional perspective combination synoptic diagram of framework of the present invention and backboard.
[embodiment]
With reference to figure 4, it shows the backlight module 400 of one embodiment of the invention, and it can be used for a LCD device, such as the LCD device that is similar to first figure, and frame, a liquid crystal panel and a backlight module 400 before it comprises one.This backlight module 400 is in order to illuminating this liquid crystal panel, and comprises a backboard 419, its with should before frame be bonded to each other and this liquid crystal panel and this backlight module 400 be combined into this LCD device.
In the present embodiment, this backlight module 400 is direct type backlight modules, but the present invention also can be applicable to the backlight module of side incident type, and end relies the configuration of light source or light source cell.This backlight module 400 comprises a ㄇ font framework 405, an optical diaphragm group, a reflecting plate 417 and a light source cell 401 in addition.Its preferably, this ㄇ font framework 405 is made by plastics, this ㄇ font framework 405 defines an XYZ coordinate, and comprise two the first strip framework 431 and second strip frameworks 433 along the X-direction extension of extending along Y direction, wherein this second strip framework 433 is ends that are connected in these two first strip frameworks 431.This optical diaphragm group is to be disposed in this ㄇ font framework 405 such as diffusion sheet 411,413 and diffuser plate 415, in order to this liquid crystal panel of the uniform directive of light that this light source cell 401 is penetrated.This reflecting plate 417 is 435 of base plates that are disposed at this optical diaphragm group and this backboard 419, reflexes to this optical diaphragm group in order to the light that this light source cell 401 is penetrated.This light source cell 401 is to be fixed on the light source cell fixture 409 such as fluorescent tube or light emitting diode, and is disposed at 417 of this optical diaphragm group and this reflecting plates.It is made that this backboard 419 can be metal, such as aluminium, magnesium and corresponding alloy thereof or the like, in order to holding this ㄇ font framework 405, this optical diaphragm group, this reflecting plate 417 and this light source cell 401, and comprises four side 437 and this base plate 435.
In the present embodiment, this backlight module 400 comprises a strip press strip 403 in addition, is connected to the other end of these two first strip frameworks 431, in order to fix this optical diaphragm group.Normally, have the groove (not shown) in these two first strip frameworks 431, this optical diaphragm group is slipped into along Y direction, and fix this optical diaphragm group by this strip press strip 403 is installed.
With reference to figure 5, these two first strip frameworks 431 comprise a top 441 and a bottom 443, and this top 441 comprises at least one first fixture 406, and this first fixture 406 is to extend along Z-direction.The side 437 of this backboard 419 comprises at least one second fixture 418, and this second fixture 418 is to extend along X-direction.
With reference to figure 6, this second fixture 418 is to be sticked in this first fixture 406, uses so that two first strip frameworks, 431 tops 441 of this ㄇ font framework 405 keep straight mutually, and can not make this two first strip frameworks, 431 tops 441 that the indent phenomenons take place.In the present embodiment, this first fixture 406 is to can be the projection of extending along Z-direction, and this second fixture 418 is to can be the recess that extends along X-direction.This second fixture 418 is to produce recess and opening 420 by the impact briquetting processing procedure.The persond having ordinary knowledge in the technical field of the present invention as can be known, in an alternate embodiment, this second fixture 418 is to can be the protruding (not shown) that extends along Z-direction, and this first fixture 406 is to can be the recess (not shown) that extends along X-direction.
With reference to figure 5, the bottom 443 of these two first strip frameworks 431 comprises one the 3rd fixture 445 again, and the base plate 435 of this backboard 419 comprises one the 4th fixture 447.The 4th fixture 447 is in order to be sticked in the 3rd fixture 445, so so that this ㄇ font framework 405 be fixed on the base plate 435 of this backboard 419, and make two first strip frameworks, 431 bottoms 443 of this ㄇ font framework 405 keep straight mutually, and can not make these two first strip frameworks, 431 bottoms 443 that the indent phenomenon takes place.The 3rd fixture 445 is to can be a projection, and the 4th fixture 447 is to can be an opening.
The structure of framework of the present invention and backboard is to be sticked in this first fixture by this second fixture, can make two first strip framework tops of this framework keep straight mutually, and can not make these two first strip framework tops that the indent phenomenon takes place.Moreover, the structure of framework of the present invention and backboard can be sticked in the 3rd fixture by the 4th fixture, can make this frame fixation on the base plate of this backboard, and the mutual maintenance in two first strip framework bottoms that make this framework is straight, and can not make this two first strip framework bottoms that the indent phenomenons take place.
Though the present invention discloses with previous embodiment, so it is not in order to limiting the present invention, anyly does various changes and modification based on the present invention, must belong to protection scope of the present invention.
[primary clustering symbol description]
10 LCD devices, 100 backlight modules
101 light source cells, 103 strip press strips
105 ㄇ font frameworks, 109 light source cell fixtures
111 diffusion sheets, 113 diffusion sheets
115 diffuser plates, 117 reflecting plates
119 backboards
131 first strip frameworks, 133 second strip frameworks
135 base plates, 200 liquid crystal panels
401 light source cells, 403 strip press strips
405 ㄇ font frameworks, 406 first fixtures
409 light source cell fixtures
411 diffusion sheets, 413 diffusion sheets
415 diffuser plates, 417 reflecting plates
418 second fixtures, 419 backboards
420 openings, 431 first strip frameworks
433 second strip frameworks
435 base plates, 437 sides
443 bottoms, 441 tops
445 the 3rd fixtures 447 the 4th fixture
Claims (10)
1, a kind of backlight module is characterized in that: comprise:
One framework, define an XYZ coordinate, and comprise two the first strip framework and second strip frameworks of extending of extending along Y direction along X-direction, this second strip framework is an end that is connected in these two first strip frameworks, and these two first strip frameworks comprise a top and a bottom, and this top comprises first fixture that extends along Z-direction;
One backboard holds this framework, and comprises a four side and a base plate, and wherein this side comprises second fixture that extends along X-direction, and this second fixture is sticked in this first fixture.
2, according to the described backlight module of claim 1, it is characterized in that: this first fixture is the projection of extending along Z-direction, and this second fixture is the recess that extends along X-direction.
3, according to the described backlight module of claim 1, it is characterized in that: this second fixture is the projection of extending along Z-direction, and this first fixture is the recess that extends along X-direction.
4, according to the described backlight module of claim 1, it is characterized in that: the bottom of these two first strip frameworks comprises one the 3rd fixture, and the base plate of this backboard comprises one the 4th fixture, and the 4th fixture is to be sticked in the 3rd fixture.
5, according to the described backlight module of claim 4, it is characterized in that: the 3rd fixture is a projection, and the 4th fixture is an opening.
6, according to the described backlight module of claim 1, it is characterized in that: other comprises:
One strip press strip is connected to the other end of these two first strip frameworks.
7, according to the described backlight module of claim 1, it is characterized in that: other comprises:
One blooming piece is disposed in this framework;
One reflecting plate is disposed between the base plate of this blooming piece and this backboard; And
One light source cell is disposed between this blooming piece and this reflecting plate.
8, according to the described backlight module of claim 1, it is characterized in that: this framework is a font framework.
9, according to the described backlight module of claim 1, it is characterized in that: this backlight module is a direct type backlight module.
10, a kind of LCD device is characterized in that: comprise:
Frame before one;
One liquid crystal panel; And
One backlight module comprises:
One font framework, define an XYZ coordinate, and comprise two the first strip framework and second strip frameworks of extending of extending along Z-direction along X-direction, wherein this second strip framework is an end that is connected in these two first strip frameworks, and these two first strip frameworks comprise a top and a bottom, and this top comprises first fixture along the Z-direction extension; And
One backboard, hold this font framework, and comprise a four side and a base plate, wherein this side comprises second fixture along the X-direction extension, this second fixture is sticked in this first fixture, and this backboard is to be bonded to each other with this preceding frame and this liquid crystal panel and this backlight module are combined into this LCD device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101062388A CN100462813C (en) | 2006-07-06 | 2006-07-06 | Backlight module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101062388A CN100462813C (en) | 2006-07-06 | 2006-07-06 | Backlight module and liquid crystal display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101101406A true CN101101406A (en) | 2008-01-09 |
| CN100462813C CN100462813C (en) | 2009-02-18 |
Family
ID=39035749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101062388A Active CN100462813C (en) | 2006-07-06 | 2006-07-06 | Backlight module and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100462813C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660727B (en) * | 2009-09-27 | 2011-11-30 | 友达光电股份有限公司 | Frame construction of backlight module |
| CN101988993B (en) * | 2009-07-30 | 2013-05-22 | 瀚宇彩晶股份有限公司 | Liquid crystal display device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4672123B2 (en) * | 2000-09-14 | 2011-04-20 | 東芝モバイルディスプレイ株式会社 | Backlight for flat panel display |
| CN1144083C (en) * | 2001-02-20 | 2004-03-31 | 友达光电股份有限公司 | Lightguide plate fixing frame and its back lighting device |
| CN1317583C (en) * | 2002-02-01 | 2007-05-23 | 奇美电子股份有限公司 | Deformation-preventing fixed frame and liquid crystal display therewith |
| CN1266520C (en) * | 2002-11-01 | 2006-07-26 | 友达光电股份有限公司 | Assembly structure of display poor light mould set |
-
2006
- 2006-07-06 CN CNB2006101062388A patent/CN100462813C/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101988993B (en) * | 2009-07-30 | 2013-05-22 | 瀚宇彩晶股份有限公司 | Liquid crystal display device |
| CN101660727B (en) * | 2009-09-27 | 2011-11-30 | 友达光电股份有限公司 | Frame construction of backlight module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100462813C (en) | 2009-02-18 |
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