CN100373222C - LCD device - Google Patents
LCD device Download PDFInfo
- Publication number
- CN100373222C CN100373222C CNB021059179A CN02105917A CN100373222C CN 100373222 C CN100373222 C CN 100373222C CN B021059179 A CNB021059179 A CN B021059179A CN 02105917 A CN02105917 A CN 02105917A CN 100373222 C CN100373222 C CN 100373222C
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- Prior art keywords
- liquid crystal
- framework
- crystal panel
- shell
- crystal indicator
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Abstract
The present invention relates to a liquid crystal display device which comprises a liquid crystal panel, a backlight unit, a casing and a framework, wherein the liquid crystal panel has an upper and a lower surfaces which are opposite, the backlight unit is arranged below the lower surface of the liquid crystal panel and is spliced with the liquid crystal panel, and the casing supports the backlight unit and has a wall which is adjacent to the backlight unit. Moreover, the framework has a first part for covering at least one edge of the upper surface of the liquid crystal panel and a second part for combining with the wall of the casing. The liquid crystal display device is characterized in that the liquid crystal display device is provided with at least one protrusion formed on the wall of the casing, and the protrusion is used for pressing the second part of the framework to be far away from the wall and leading the first part of the framework to bend towards the liquid crystal panel.
Description
Technical field
The present invention relates to a kind of liquid crystal indicator, particularly a kind of liquid crystal indicator with high mechanical properties.
Background technology
Figure 1 shows that one often is used in liquid crystal display (liquid crystal display, LCD) device of portable computer or portable displayer.With reference to Fig. 1, this liquid crystal indicator 10 comprises a liquid crystal panel 100, a back light unit 101 and one drive circuit plate 102.This back light unit 101 comprises a cold light lamp (luminescent lamp) 104; one lamp housing 106; one light guide plate 108; reflecting plate 110 reflexes to vertical direction with incident light from horizontal direction; one fender 112 contacts with this light guide plate 108; one first prism plate 114 and one second prism plate 116 place on this fender 112; one fan diffuser 118 with light from this first and second prism 114; 116 visible range 120 and the shells 122 that diffuse to this liquid crystal panel 100 with a certain viewing angles support said elements.This liquid crystal indicator also comprises a framework 124 and combines in order to support this liquid crystal panel 100 and back light unit 101 with this shell 122.
With reference to Fig. 2, this liquid crystal indicator 10 is combined with (for example) portable computer by a shell on the back 130 and a fore shell 134 and as an output screen.The shell 122 of this LCD 10 is to utilize retaining element, and for example screw 132 is embedded in this shell on the back 130 and this fore shell 134.This fore shell 134 has a clear area at this visible range adjustment.
Fig. 3 a is the sectional view along 3a-3a line gained among Fig. 2.As shown in the figure, have a plurality of holes 138 in the framework 124 of this liquid crystal indicator 10, this shell 122 has the hole 138 of a plurality of projections 136 in order to stick into this framework 124.The projection 136 of this shell 122 engages with the hole 138 of this framework 124 and makes this shell 122 and this framework 124 be bonded to each other.
Generally speaking, as shown in Figure 2,, the central portion 140 of the longer sides 142 of this framework 124 do not obtain higher physical strength thereby not being provided with hole.Therefore, shown in Fig. 3 b, the central portion of this shell 122 (corresponding to the central portion 140 of this framework 124) is smooth any projection that do not have.Yet, when this LCD 10 is subjected to environmental testing, especially during vibration test, the stress maximum that the central portion 140 of the longer sides 142 of this framework 124 suffers, thereby cause unacceptable distortion in this central portion 140.
Therefore, this field needs a kind of LCD, and it can overcome or improve an above-mentioned difficult problem at least.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art and defective, a kind of high mechanical properties that has is provided, particularly have the liquid crystal indicator of high mechanical properties at the central portion of its longer sides.
In order to reach above-mentioned purpose, the invention provides a liquid crystal indicator, it mainly comprises a liquid crystal panel, a back light unit, a shell and a framework.This liquid crystal panel has relative upper and lower surface.This back light unit is located under this liquid crystal panel lower surface and with this liquid crystal panel and is engaged.This shell supports this back light unit and has a wall and is erected near this unit backlight.This framework has an at least one edge and the second portion that a first covers this liquid crystal panel upper surface and combines with the wall of this shell.
According to the first embodiment of the present invention, this shell has at least one protrusion-shaped and is formed in this wall, and the second portion of this framework is subjected to this projections press to make the first of this framework towards the upper surface bending of this liquid crystal panel.The first of this framework is preferably towards the upper surface bending of this liquid crystal panel and touches this upper surface.Preferably, this projection and this shell are one-body molded.
According to a second embodiment of the present invention, it is outstanding towards the wall of this shell that the second portion of this framework has at least one projection, and this projection is subjected to the wall extruding of this shell to make the first of this framework crooked and touch this liquid crystal panel towards the upper surface of this liquid crystal panel.This projection is preferably with this framework one-body molded.In addition, this projection also can be via applying a punching operation (pressoperation) in the second portion of this framework and form.
Preferably, this protrusion-shaped is formed in the middle body of this longer portion of shell wall or the middle body of this framework second portion longer sides, makes the first of this framework in the central portion bending of its longer sides.This will effectively strengthen and stablize the structure of this framework, the particularly middle body of this framework longer sides.
This projection is preferably has an oblique section in order to assist in the combination of this framework and this shell.
Description of drawings
Fig. 1 is the perspective view of an available liquid crystal display device structure;
Fig. 2 is the perspective view of fore shell, shell on the back and the unitized construction of liquid crystal indicator shown in Figure 1;
Fig. 3 a is the cut-away view of 3a-3a line gained in Fig. 2;
Fig. 3 b is the cut-away view of 3b-3b line gained in Fig. 2;
Fig. 4 is the cut-away view of the liquid crystal indicator of first preferred embodiment according to the present invention;
Fig. 5 is the cut-away view according to the liquid crystal indicator of second preferred embodiment of the present invention;
Fig. 6 is the cut-away view according to the liquid crystal indicator of the 3rd preferred embodiment of the present invention.
The figure number explanation
10 liquid crystal indicators
100 liquid crystal panels, 101 back light units
102 circuit boards, 104 cold light lamps
106 lamp housings, 108 light guide plate
110 reflecting plates, 112 fenders
114 first prism plates, 116 second prism plates
118 fan diffusers, 120 visible ranges
122 shells, 124 frameworks
130 shell on the backs, 132 screws
134 fore shells, 136 projections
138 holes, 140 central portions
142 longer sides
400 liquid crystal indicators, 402 liquid crystal panels
404 back light units, 406 shells
408 frameworks, 414 upper surfaces
416 firsts, 418 second portions
424 walls, 426 projections
500 liquid crystal indicators
502 projections, 504 walls
600 liquid crystal indicators
602 projections
Embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with drawings and Examples.
Though the present invention can show as multi-form embodiment, but accompanying drawing those shown and be preferred embodiment of the present invention in expositor hereinafter, and please understand person disclosed herein for one example of the present invention, and be not that intention is in order to be limited to the present invention in diagram and/or the described specific embodiment.
Figure 4 shows that the liquid crystal indicator 400 according to first embodiment of the invention, it comprises a liquid crystal panel 402, a back light unit 404, a shell 406 and a framework 408.
This liquid crystal panel 402 has relative upper and lower surface (having only upper surface to be put on figure number 414).This back light unit 404 is located under these liquid crystal panel 402 lower surfaces and with this liquid crystal panel 402 and is engaged.This shell 406 is preferably made with plastic cement, supports this back light unit 404 and have a wall 424 adjacent with this back light unit 404.Though be not shown in Fig. 4-6, this framework that preferably is made of metal 408 is to utilize a fixture for example to combine with this shell 406 in the protrusion/aperture hole protected of screw or close-fitting.This liquid crystal indicator has two longer sides and two than minor face.Therefore, this framework and this shell have two longer sides (portion) and two respectively than minor face (portion).An at least one edge and a second portion 418 that this framework 408 has a first 416 these liquid crystal panel 402 upper surfaces 414 of covering combine with this shell 406.The first 416 of this framework 408 is approximately perpendicular to this second portion 418.The wall 424 of this shell 406 is roughly parallel to the second portion 418 of this framework 408 in order to combine with this framework 408.
This liquid crystal indicator 400 is characterised in that to have the wall 424 that at least one projection 426 is formed at this shell 406, pushes away this wall 424 in order to the second portion 418 with this framework 408.This projection 426 can be one-body molded with this shell 406.Preferably this projection 426 is formed at the central portion of longer portion of the wall 424 of this shell 406.This framework 408 is incorporated into after this shell 406, and the second portion 418 of this framework 408 is subjected to these projection 426 extruding to make the first 416 of this framework 408 towards upper surface 414 bendings of this liquid crystal panel.Preferably, the first 416 of this framework 408 has part crooked and touch this liquid crystal panel just towards this liquid crystal panel.
Figure 5 shows that liquid crystal indicator 500 according to second embodiment of the invention.This liquid crystal indicator 500 is characterised in that to have the second portion 418 that at least one projection 502 is located at framework 408, with so that this second portion 418 leaves this shell 406.This projection 502 can be one-body molded with this framework 408.This shell 406 has a wall 504 adjacent to this back light unit 404.This wall 504 is roughly parallel to the second portion of this framework 408 in order to engage with this framework 408.This projection 502 is outstanding towards the wall 504 of this shell 406.This wall 504 is a general planar corresponding to the part of this projection 502.After this framework 408 was incorporated into this shell 406, the projection 502 of framework second portion 418 was subjected to wall 504 extruding of this shell 406 to make the upper surface bending of this first 416 towards this liquid crystal panel.Preferably, this framework first has part to be bent to and to touch this liquid crystal panel 402 just.
Figure 6 shows that liquid crystal indicator 600 according to third embodiment of the invention.Except replacing the projection 502 with projection 602, this liquid crystal indicator 600 roughly liquid crystal indicator 500 with Fig. 5 is identical.This projection 602 is for to utilize punching operation (press operation) to be formed at the teat (protruded segment) of these framework 408 second portions 418.
This projection 426,502,602 preferably has an oblique section in order to help the combination of this framework and this shell.
Preferably, this protrusion-shaped is formed in the middle body of longer portion of this wall 424 or the middle body of the longer sides of this framework second portion 418, makes the first 416 of this framework in the middle body bending of its longer sides.This effectively strengthens and stablizes the structure of this framework, and then improves the physical strength of this framework (the particularly middle body of the longer sides of this framework).
Though aforesaid description and diagram have disclosed preferred embodiment of the present invention, must recognize variously increase, many modifications and replace and may be used in preferred embodiment of the present invention, and can not break away from the spirit and the scope of the principle of the invention that defines as claims.Be familiar with this operator and can know from experience the modification that the present invention may be used in a lot of forms, structure, layout, ratio, material, element and assembly.Therefore, this paper should be regarded as in order to explanation the present invention in embodiment and all viewpoints that this disclosed, but not in order to restriction the present invention.Protection scope of the present invention should be defined by claims, and contains its legal equivalents, is not limited to previous description.
Claims (15)
1. liquid crystal indicator, it comprises:
One liquid crystal panel has relative upper and lower surface;
One back light unit is located under the lower surface of this liquid crystal panel and with this liquid crystal panel and is engaged;
One shell supports this back light unit and has a wall adjacent with this back light unit, and this shell has at least one protrusion-shaped and is formed in this wall; And
One framework has an at least one edge and the second portion that a first covers the upper surface of this liquid crystal panel and combines with the wall of this shell, and wherein the second portion of this framework is subjected to this projections press to make the first of this framework towards the upper surface bending of this liquid crystal panel.
2. liquid crystal indicator according to claim 1 is characterized in that, this shell has two long parts and two shorter parts, and this protrusion-shaped is formed in the substantial middle part of this long part.
3. liquid crystal indicator according to claim 1 is characterized in that, the part of the first of this framework is crooked and touch this upper surface towards the upper surface of this liquid crystal panel.
4. liquid crystal indicator according to claim 1 is characterized in that, this projection and this shell are one-body molded.
5. liquid crystal indicator according to claim 1 is characterized in that this projection has an oblique section.
6. liquid crystal indicator according to claim 1 is characterized in that the second portion of this framework is approximately perpendicular to this first.
7. liquid crystal indicator according to claim 1 is characterized in that, the wall of this shell is roughly parallel to the second portion of this framework.
8. liquid crystal indicator, it comprises:
One liquid crystal panel has relative upper and lower surface;
One back light unit is located under the lower surface of this liquid crystal panel and with this liquid crystal panel and is engaged;
One shell supports this back light unit and has a wall adjacent with this back light unit; And
One framework has a first and covers at least one edge of upper surface of this liquid crystal panel and a second portion to have at least one projection outstanding towards the wall of this shell, and wherein this projection is subjected to the wall extruding of this shell to make the first of this framework towards the upper surface bending of this liquid crystal panel.
9. liquid crystal indicator according to claim 8 is characterized in that, the second portion of this framework has two long parts and two shorter parts, and this protrusion-shaped is formed in the substantial middle part than long part of the second portion of this framework.
10. liquid crystal indicator according to claim 8 is characterized in that, the part of the first of this framework is crooked and touch the upper surface of this liquid crystal panel towards the upper surface of this liquid crystal panel.
11. liquid crystal indicator according to claim 8 is characterized in that, this projection and this framework are one-body molded.
12. liquid crystal indicator according to claim 8 is characterized in that, this projection puts on the punching operation of this framework second portion by one and forms.
13. liquid crystal indicator according to claim 8 is characterized in that, the second portion of this framework is approximately perpendicular to this first.
14. liquid crystal indicator according to claim 8 is characterized in that, the wall of this shell is roughly parallel to the second portion of this framework.
15. liquid crystal indicator according to claim 8 is characterized in that, this projection has an oblique section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021059179A CN100373222C (en) | 2002-04-09 | 2002-04-09 | LCD device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021059179A CN100373222C (en) | 2002-04-09 | 2002-04-09 | LCD device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1450388A CN1450388A (en) | 2003-10-22 |
| CN100373222C true CN100373222C (en) | 2008-03-05 |
Family
ID=28680093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021059179A Expired - Lifetime CN100373222C (en) | 2002-04-09 | 2002-04-09 | LCD device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100373222C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1306324C (en) * | 2004-01-12 | 2007-03-21 | 友达光电股份有限公司 | Liquid crystal displag module |
| JP4610352B2 (en) * | 2005-01-19 | 2011-01-12 | シャープ株式会社 | Liquid crystal display device |
| TWI321668B (en) | 2005-09-16 | 2010-03-11 | Au Optronics Corp | Flat panel display module |
| JP4866154B2 (en) * | 2006-06-05 | 2012-02-01 | 株式会社 日立ディスプレイズ | Liquid crystal display |
| JP2010210956A (en) * | 2009-03-10 | 2010-09-24 | Fujitsu Ltd | Display device |
| CN101672998B (en) * | 2009-10-23 | 2011-10-19 | 友达光电股份有限公司 | Liquid crystal display (LCD) |
| DE102010046874A1 (en) | 2010-03-22 | 2011-12-01 | Johnson Controls Automotive Electronics Gmbh | Display arrangement and its installation |
| CN103838036B (en) * | 2014-03-21 | 2016-05-04 | 深圳市华星光电技术有限公司 | Curved surface liquid crystal indicator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5406399A (en) * | 1991-12-17 | 1995-04-11 | Sony Corporation | Liquid crystal display apparatus having a frame around periphery and bottom and extending above both polarizers |
| JPH08286623A (en) * | 1995-04-18 | 1996-11-01 | Nikko Kogyo Kk | Display device and its production |
| JPH10148819A (en) * | 1996-11-18 | 1998-06-02 | Toshiba Corp | Liquid crystal display device |
| CN1188903A (en) * | 1997-01-22 | 1998-07-29 | 阿尔卑斯电气株式会社 | Liquid crystal display device |
| CN1217520A (en) * | 1997-11-07 | 1999-05-26 | 三菱电机株式会社 | Display apparatus |
| US6091474A (en) * | 1997-06-26 | 2000-07-18 | Ericsson, Inc. | Display assembly |
-
2002
- 2002-04-09 CN CNB021059179A patent/CN100373222C/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5406399A (en) * | 1991-12-17 | 1995-04-11 | Sony Corporation | Liquid crystal display apparatus having a frame around periphery and bottom and extending above both polarizers |
| JPH08286623A (en) * | 1995-04-18 | 1996-11-01 | Nikko Kogyo Kk | Display device and its production |
| JPH10148819A (en) * | 1996-11-18 | 1998-06-02 | Toshiba Corp | Liquid crystal display device |
| CN1188903A (en) * | 1997-01-22 | 1998-07-29 | 阿尔卑斯电气株式会社 | Liquid crystal display device |
| US6091474A (en) * | 1997-06-26 | 2000-07-18 | Ericsson, Inc. | Display assembly |
| CN1217520A (en) * | 1997-11-07 | 1999-05-26 | 三菱电机株式会社 | Display apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1450388A (en) | 2003-10-22 |
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