CN2916691Y - Frame structure and liquid crystal display device - Google Patents
Frame structure and liquid crystal display device Download PDFInfo
- Publication number
- CN2916691Y CN2916691Y CN 200520119360 CN200520119360U CN2916691Y CN 2916691 Y CN2916691 Y CN 2916691Y CN 200520119360 CN200520119360 CN 200520119360 CN 200520119360 U CN200520119360 U CN 200520119360U CN 2916691 Y CN2916691 Y CN 2916691Y
- Authority
- CN
- China
- Prior art keywords
- framework
- blooming piece
- projection wall
- liquid crystal
- flexure strip
- 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.)
- Expired - Lifetime
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model relates to a frame structure and liquid crystal display device. The frame structure comprises a first framework and a second framework, which cooperate with each other to form a containing space for a light guiding plate and an optic membrane. The first framework comprises a side wall, an extruding wall vertical with the side wall, and an elastic piece on the edge of the extruding wall. The liquid crystal display device comprises the above frame structure. The frame structure of the utility model can realize the effective fixation of optic membranes and reserve thermal expansion space for optic membrane.
Description
[technical field]
The utility model relates to a kind of framed structure and adopts the liquid crystal indicator of this framed structure.
[background technology]
The housing that liquid crystal indicator generally includes liquid crystal panel, module backlight and is used for fixing this liquid crystal panel and this module backlight.Module backlight mainly comprises a light source, a light guide plate and a framework.Wherein, this light guide plate comprises at least one incidence surface, and contiguous this incidence surface of this light source is provided with, and this framework is in order to carry above-mentioned light guide plate and light source.In addition, the effect that presents for the gray scale of promoting module backlight, and then improve the display quality of liquid crystal indicator, can above light guide plate, dispose one or more blooming piece.
Seeing also Fig. 1, is the synoptic diagram after a kind of module backlight 10 assembling of prior art.See also Fig. 2, be the sectional view of Fig. 1 along II-II, this light guide plate 13 is arranged in this framework 12, the incidence surface setting of these light source 15 contiguous these light guide plate 13, this reflector plate 14 is arranged on this light guide plate 13 belows, this blooming piece 11 is arranged on this light guide plate 13 tops, and this framework 12 is provided with inwardly outstanding projection wall 121 along this frame wall 16, and it is the spacing design to this blooming piece 11.
Yet, consider the heat expansion problem of blooming piece 11, usually can reserve some tolerance clearances 122 between the blooming piece 11 of the superiors and this projection wall 121, this gap tolerance 122 easily causes blooming piece to produce shift phenomenon, and, when temperature reaches the temperature of blooming piece 11 buckling deformations, existence because of this tolerance clearance 122, this projection wall 121 can't effectively be fixed this blooming piece 11, buckling deformation can take place and cause light leakage phenomena in blooming piece 11, light leakage phenomena can make screen produce bright uneven zone, thereby has reduced display effect.
[utility model content]
In order to solve the problem of above-mentioned blooming piece heat expansion and light leak, the framed structure that is necessary to provide a kind of effectively fixed optics diaphragm and leaves the heat expansion space for blooming piece.
A kind of liquid crystal indicator of using the said frame structure also is provided.
A kind of framed structure, it is used to accommodate light guide plate and blooming piece, it comprises one first framework and one second framework, this first framework and this second framework cooperate formation one receiving space to accommodate light guide plate and blooming piece, and this first framework is provided with at least one flexure strip that is used for fixing blooming piece.
A kind of liquid crystal indicator, comprise a liquid crystal panel, a housing and a module backlight, this module backlight comprises a blooming piece, a light guide plate, one first framework and second framework that cooperates with first framework, this first framework and second framework are clasped and form a receiving space to accommodate this light guide plate and this blooming piece, and this first framework is provided with at least one flexure strip that is used for fixing this blooming piece.
Compared with prior art, framed structure of the present utility model and liquid crystal indicator are provided with the flexure strip that is used for fixing this blooming piece because of this first framework, can when leaving certain space, effectively fix this blooming piece for the heat expansion of this blooming piece, thereby can prevent because of blooming piece produces the light leakage phenomena that skew and buckling deformation produce, thereby make screen intensity even.
[description of drawings]
Fig. 1 is the synoptic diagram after the prior art module assembling backlight.
Fig. 2 is the schematic cross-section along line II-II shown in Figure 1.
Fig. 3 is the three-dimensional exploded view of the module backlight of the utility model first embodiment.
Fig. 4 is the partial enlarged drawing of the IV part of module backlight shown in Figure 3.
Fig. 5 is the stereographic map after module backlight shown in Figure 3 is assembled.
Fig. 6 is a module backlight shown in Figure 5 sectional view along VI-VI.
Fig. 7 is the partial enlarged drawing of the module backlight of second embodiment.
Fig. 8 is the three-dimensional exploded view of liquid crystal indicator of the present utility model.
[embodiment]
Seeing also Fig. 3, is the preceding structural representation of module backlight 200 assemblings of first embodiment.This module 200 backlight comprises blooming piece 210, one first framework 260, one second framework 270, a light guide plate 230, a reflector plate 240 and a light source 250, this first framework 260 is generally the glue frame, this second framework 270 is generally metal frame, this first framework 260 is clasped with this second framework 270, form a receiving space (figure does not show), to accommodate this light guide plate 230, reflector plate 240, light source 250 and blooming piece 210.This light source 250 be generally cold cathode fluorescent tube (Cold Cathode FluorescentLamp, CCFL), this light guide plate 230 comprises at least one incidence surface (indicate), this blooming piece 210 generally includes blast sheet, diffusion sheet.
This first framework 260 comprises a plurality of sidewalls 266, and the sidewall 266 of this first framework 260 comprises a plurality of inwardly outstanding and projection walls 261 substantially parallel with this blooming piece, and these projection wall 261 continuous distribution are on these first framework, 260 each sidewalls 266.The sidewall 266 of this first framework 260 outwards is provided with a plurality of projections 262, the sidewall 276 of this second framework 270 is provided with a plurality of bayonet sockets 272, this bayonet socket 272 is corresponding with the projection 262 of this first framework 260, to realize being clasped of this first framework 260 and this second framework 270.
Seeing also Fig. 4, is IV enlarged diagram partly shown in Figure 3.The marginal portion of this projection wall 261 is provided with an opening 2611 and a flexure strip 2612, this flexure strip 2612 is an outstanding downwards arc-like sheet, be positioned at the outside of this opening 2611, and its two ends all are connected with this projection wall 261, this flexure strip 2612, opening 2611, this projection wall 261 and this first framework 260 are one-body molded, and the purpose that this opening 2611 is set is for the ease of this flexure strip moulding.
See also Fig. 5, it is the stereographic map after these module 200 assemblings backlight, this module 200 backlight is assembled in the following order: this reflector plate 240 is arranged on the bottom surface of this second framework 270, this light guide plate 230 is arranged on this reflector plate 240 tops, the incidence surface setting of these light source 250 contiguous these light guide plate 230, this blooming piece 210 is arranged on this light guide plate 230 tops, and this first framework 260 is clasped with this second framework 270, makes this flexure strip 2612 push down this blooming piece 210.
See also Fig. 6, be the sectional view of Fig. 5 along VI-VI, after this first framework 260 is clasped with this second framework 270, these flexure strip 2612 downward protrusion distances are slightly larger than the distance of the projection wall 261 of this blooming piece 210 and this first framework 260, so that this flexure strip 2612 can be pushed down blooming piece 210.After this first framework 260 fastened with this second framework 270, this flexure strip 2612 was pushed down this blooming piece 210 and is produced deformation, so can compress this blooming piece 210, reaches the purpose of effectively fixing this blooming piece 210.And, also leave certain space between this projection wall 261 and this blooming piece 210 for the heat expansion of this blooming piece 210.
Compared with prior art, because of the sidewall 266 of this first framework 260 is provided with the flexure strip 2612 of fixing this blooming piece 210, when leaving certain space, the heat expansion that can be embodied as this blooming piece 210 effectively fixes this blooming piece 210, thereby can prevent to reach to make screen display even brightness purpose because of blooming piece 210 produces the light leakage phenomena that skews and buckling deformation produce.
See also Fig. 7, it is the partial enlarged drawing of the module backlight of second embodiment, the difference of the module backlight of the structure of this module backlight and first embodiment is: this flexure strip 3612 is a bent sheet structure, it comprises an a junction 3613 and a pressure section 3614, this connecting portion 3613 and these 261 angled connections of projection wall, this angle also can be fillet, this connecting portion 3613 can be straight plate shape, also can be arc, this pressure section 3614 is parallel with this projection wall 261, and has a free end, after this first framework 260 and this second framework 270 fasten, this flexure strip 3612 produces elastic deformation because of pushing down this blooming piece 210, reaches the purpose of effectively fixing this blooming piece 210.And, also leave certain space between this projection wall 261 and this blooming piece 210 for the heat expansion of this blooming piece.
It is described that this framed structure is not limited to above-mentioned embodiment, and for example, the projection wall of first embodiment and second embodiment also can be spaced apart on this sidewall.
Fig. 8 is the structural representation before liquid crystal indicator 100 assemblings of the present utility model, the assembling of liquid crystal indicator 100 of the present utility model, be after the assembling of finishing module 200 backlight, display panels 120 is arranged on this projection wall 261 tops, again this housing 110 and this module 200 fastenings backlight is got final product.
Liquid crystal indicator of the present utility model also can adopt the module backlight of above-mentioned second embodiment.
Claims (9)
1. framed structure, it is used to accommodate light guide plate and blooming piece, it comprises one first framework and one second framework, this first framework and this second framework cooperate formation one receiving space to accommodate light guide plate and blooming piece, and it is characterized in that: this first framework is provided with at least one flexure strip that is used for fixing blooming piece.
2. framed structure as claimed in claim 1 is characterized in that: this first framework further comprise at least one sidewall and one with the vertical substantially projection wall of this sidewall, this flexure strip is arranged on the edge of this projection wall.
3. framed structure as claimed in claim 2 is characterized in that: this flexure strip is the outstanding downwards arc-like sheet that two ends all are connected with this projection wall.
4. framed structure as claimed in claim 2 is characterized in that: this flexure strip is the bent sheet that an end is connected with this projection wall.
5. as claim 3 or 4 described framed structures, it is characterized in that: contiguous this flexure strip is provided with opening on this projection wall.
6. framed structure as claimed in claim 2 is characterized in that: this projection wall continuous distribution is on this sidewall.
7. framed structure as claimed in claim 2 is characterized in that: this projection wall interruption is distributed on this sidewall.
8. liquid crystal indicator, it comprises a housing, a liquid crystal panel and a module backlight, this module backlight comprises a blooming piece, a light guide plate, one first framework and second framework that cooperates with first framework, this first framework and second framework are clasped and form a receiving space to accommodate this light guide plate and this blooming piece, and it is characterized in that: this first framework is provided with at least one flexure strip that is used for fixing this blooming piece.
9. liquid crystal indicator as claimed in claim 8 is characterized in that: this first framework further comprise at least one sidewall and one with the vertical substantially projection wall of this sidewall, this flexure strip is arranged on this projection wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520119360 CN2916691Y (en) | 2005-11-22 | 2005-11-22 | Frame structure and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520119360 CN2916691Y (en) | 2005-11-22 | 2005-11-22 | Frame structure and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2916691Y true CN2916691Y (en) | 2007-06-27 |
Family
ID=38187607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520119360 Expired - Lifetime CN2916691Y (en) | 2005-11-22 | 2005-11-22 | Frame structure and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2916691Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102073165A (en) * | 2010-11-16 | 2011-05-25 | 友达光电（苏州）有限公司 | Liquid crystal display device |
-
2005
- 2005-11-22 CN CN 200520119360 patent/CN2916691Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102073165A (en) * | 2010-11-16 | 2011-05-25 | 友达光电（苏州）有限公司 | Liquid crystal 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: 20070627 |
|
| EXPY | Termination of patent right or utility model |