CN100378527C - Liquid crystal display module assembly and backlight module assembly - Google Patents
Liquid crystal display module assembly and backlight module assembly Download PDFInfo
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- CN100378527C CN100378527C CNB2005100002116A CN200510000211A CN100378527C CN 100378527 C CN100378527 C CN 100378527C CN B2005100002116 A CNB2005100002116 A CN B2005100002116A CN 200510000211 A CN200510000211 A CN 200510000211A CN 100378527 C CN100378527 C CN 100378527C
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Abstract
The present invention provides a backlight module which comprises a frame, a surface light source, an optical film sheet and a polarized light sheet, wherein the surface light source, the optical film sheet and the polarized light sheet are fixed in or on the frame; the polarized light sheet is positioned on the optical film sheet. The present invention also provides a liquid crystal display module which comprises a backlight module, a liquid crystal display panel and a second polarized light sheet, wherein the backlight module further comprises a first polarized light sheet; the liquid crystal display panel is arranged above the first polarized light sheet; the second polarized light sheet is arranged on the liquid crystal display panel. In the liquid crystal display module, because the first polarized light sheet does not need attaching to the liquid crystal display panel, only the second polarized light sheet is positioned on the liquid crystal display panel; hence, the display module has good optical property and low manufacturing cost.
Description
Technical field
The present invention relates to a kind of module backlight (backlight module), and particularly relate to a kind of module backlight with polaroid (polarizer).
Background technology
(Cathode Ray Tube has been since the black and white television set invention of mode of operation CRT), and display technique is just with the continuous evolution of very fast speed with cathode-ray tube (CRT) since first.Yet, since this kind with the display of cathode-ray tube (CRT) pattern work have that volume is big, shortcoming such as Heavy Weight, radiant quantity height and image quality are relatively poor, so the plane display technique is just constantly developed new technology.In these plane display techniques, compact to have again, power saving, radiationless, full-color and LCD (Liquid Crystal Display, LCD) the most skillful and universalness of technology of advantage such as be convenient for carrying.Such as mobile phone, language translation machine, digital still camera, numerical digit video camera, personal digital assistant (PDA), notebook computer even the desktop display its range of application is all arranged.
See also shown in Figure 1ly, be the synoptic diagram of existing known liquid crystal display module.Liquid crystal display module 100 is constituted (will be specified in the back) by a module 110 backlight, first polaroid 118, second polaroid 130 and a display panels (Liquid crystal display panel) 120.No matter be the liquid crystal display module 100 of penetration or semi-penetration, semi-reflective, the area source that all must see through module 110 backlight is provided is lighted display panels 120, makes liquid crystal display module 100 can reach the effect of demonstration.
It should be noted that, first polaroid 118 and second polaroid 130 are to utilize sticker (adhesive) to be attached to the upper surface and the lower surface of display panels 120 respectively, therefore, when the area source that is provided when module 110 backlight penetrates display panels 120, coat the upper surface of display panels 120 and the sticker of lower surface, just penetrance that can the influence surface light source, and then the brightness of liquid crystal display module 100 is descended.In addition, in manufacture process, polaroid can be attached at the surface of display panels 120 as far as possible in mode from the bottom to top, utilize the attraction of gravity to reduce the quantity that is attached to particulate on the display panels 120 (Particle), but in fact, particle number use sticker to be easier to the particulate of adhering, if too much may cause and have bubble or too much particulate between glass substrate 112 and the polaroid and must heavy industry (rework).Moreover, manually attach the difficult control of bearing accuracy and can increase must heavy industry probability.
General display panels 120 is when heavy industry, must utilize hot plate (Hot plate) heating to tear polaroid off polaroid and the display panels 120 of pasting failure, again with the surface of solvent cleaning display panels 120, for example be with alcohol or other appropriate solvent, this reworking process not only increases cost time and effort consuming especially, and is unfavorable for whole production capacity (throughput).
This shows that above-mentioned existing liquid crystal display module and module backlight thereof obviously still have inconvenience and defective, and demand urgently further being improved in structure and use.In order to solve the problem that liquid crystal display module and module backlight thereof exist, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing liquid crystal display module and module backlight thereof exist, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of liquid crystal display module and the module backlight thereof of founding a kind of new structure, can improve general existing liquid crystal display module and module backlight thereof, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to, overcome the defective that existing liquid crystal display module and module backlight thereof exist, and provide a kind of new liquid crystal display module and module backlight thereof, technical matters to be solved is to make it can make that the cost of manufacture reduction and the heavy industry of display panels are easy, thereby is suitable for practicality more.
Another object of the present invention is to, a kind of liquid crystal display module is provided, technical matters to be solved is to make it have better optical characteristics, thereby is suitable for practicality more.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to the module a kind of backlight that the present invention proposes, it comprises: a framework; One area source is fixed in the above-mentioned framework; One blooming piece is fixed on the above-mentioned framework, and is positioned on the above-mentioned area source; And a polaroid, be fixed on the above-mentioned framework, and be positioned on the above-mentioned blooming piece.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid module backlight, wherein said area source comprises: a light guide plate; And a line source, be disposed at by the above-mentioned light guide plate.
Aforesaid module backlight, wherein said framework have one first fixed part, and above-mentioned blooming piece has second fixed part that is fixed in above-mentioned first fixed part, and above-mentioned polaroid has the 3rd fixed part that is fixed in above-mentioned first fixed part.
Aforesaid module backlight, wherein said blooming piece comprises the combination of diffusion sheet, brightening piece, prismatic lens or those diaphragms.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of liquid crystal display module that the present invention proposes, it comprises: a module backlight comprises: a framework; One area source is fixed in the above-mentioned framework; One blooming piece is fixed on the above-mentioned framework, and is positioned on the above-mentioned area source; One first polaroid is fixed on the above-mentioned framework, and is positioned on the above-mentioned blooming piece; One display panels is disposed at above first polaroid of above-mentioned module backlight; And one second polaroid, be disposed on the above-mentioned display panels.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid liquid crystal display module, wherein said area source comprises: a light guide plate; And a line source, be disposed at by the above-mentioned light guide plate.
Aforesaid liquid crystal display module, wherein said framework has one first fixed part, and above-mentioned blooming piece has second fixed part that is fixed in above-mentioned first fixed part, and the first above-mentioned polaroid has the 3rd fixed part that is fixed in above-mentioned first fixed part.
Aforesaid liquid crystal display module, wherein said blooming piece comprises the combination of diffusion sheet, brightening piece, prismatic lens or those diaphragms.
Aforesaid liquid crystal display module, the absorption axes of wherein said first polaroid are vertical with the absorption axes of second polaroid.
Aforesaid liquid crystal display module, it more comprises an adhesive coating, is disposed between above-mentioned second polaroid and display panels.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, the present invention proposes a kind of module backlight, comprises a framework, an area source, a blooming piece and a polaroid.Wherein, area source, blooming piece and polaroid be fixed in the framework or on, and polaroid is positioned on the blooming piece.The present invention proposes a kind of liquid crystal display module in addition, and it comprises aforesaid module backlight, a display panels and one second polaroid.Wherein, module backlight more comprises one first polaroid, and display panels is disposed at this first polaroid top, and second polaroid is disposed on the display panels.In the above-mentioned liquid crystal display module,,, therefore show that module has good optical characteristic and lower manufacturing cost so second polaroid is only arranged on the display panels because first polaroid need not be attached at display panels.
By technique scheme, liquid crystal display module of the present invention and module backlight thereof have following advantage at least:
1, display panels of the present invention can select not use sticker to attach polaroid, therefore, have short time and higher fine ratio of product on the processing procedure, and the heavy industry time is also shorter, and then promotes production capacity.
2, liquid crystal display module of the present invention is optional selects without adhesive coating, and compared to known liquid crystal display module, liquid crystal display module of the present invention has better optical characteristics.
3, liquid crystal display module of the present invention is more or less freely on making, and can further lower manufacturing cost.
In sum, the liquid crystal display module of special construction of the present invention and module backlight thereof provide a kind of module backlight, and it can be so that the cost of manufacture of display panels reduces and heavy industry is easy.In addition, the invention provides a kind of liquid crystal display module, it has better optical characteristics.It has above-mentioned many advantages and practical value, and in like product, do not see have similar structural design to publish or use and really genus innovation, no matter it all has bigger improvement on product or function, have large improvement technically, and produced handy and practical effect, and more existing liquid crystal display module and module backlight thereof have the multinomial effect of enhancement, thereby are suitable for practicality more, really are a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Figure 1 shows that the synoptic diagram that has known liquid crystal display module now.
Fig. 2 A is depicted as according to first embodiment of the invention module synoptic diagram backlight.
Fig. 2 B is depicted as according to first embodiment of the invention back light module unit structure synoptic diagram.
Fig. 3 A is depicted as the synoptic diagram according to second embodiment of the invention liquid crystal display module.
Fig. 3 B is depicted as the synoptic diagram according to second embodiment of the invention module backlight.
Fig. 3 C is depicted as the synoptic diagram according to second embodiment of the invention module backlight.
100,200: the liquid crystal display module
110,210,310: module backlight
118,218,318: the first polaroids
120,220: display panels
130,230: the second polaroids
212,312: framework
212a, 312a: first fixed part
214,314: blooming piece
214a, 314a: second fixed part
216,316: area source
216a, 316a: light guide plate
216b, 316b: line source
218a, 318a: the 3rd fixed part
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to liquid crystal display module and its embodiment of module backlight, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
First embodiment
See also shown in Fig. 2 A, for according to first embodiment of the invention module synoptic diagram backlight.Shown in Fig. 2 A, the liquid crystal display module 200 of present embodiment comprises a module 210 backlight, a display panels 220 and one second polaroid 230 (will describe in detail in the back).Wherein, module 210 backlight is the belows that are disposed at display panels 220, so that a stable light source to be provided, in order to light display panels 220, and second polaroid 230 is to be attached on the display panels 220, in order to auxiliary display panels 220, and then make liquid crystal display module 200 can reach the effect of demonstration.
Above-mentioned module backlight 210 comprises a framework 212, one or more blooming piece 214, an area source 216 and one first polaroid 218.Wherein, blooming piece 214, area source 216 and first polaroid 218 all are fixed in the framework 212, in more detail, framework 212 for example is that plastic cement, metal or plastic-steel are made, and blooming piece 214 for example is the combination of diffusion sheet, brightening piece, prismatic lens or these diaphragms, in order to increase the brightness and/or the homogeneity of liquid crystal display module 200.
In the present embodiment, area source 216 for example is the design of adopting side direction incident type (Side-Lighting).Particularly, area source 216 comprises a light guide plate 216a and a line source 216b, and line source 216b is disposed at by the light guide plate 216a.Certainly, area source 216 can also be the design of adopting other kenels.
From the above, first polaroid 218 is to be disposed on the blooming piece 214, in order to make first polaroid 218 can be assembled in the framework 212 smoothly, present embodiment is consistent with the external form of blooming piece 214 with the configuration design one-tenth of first polaroid 218, so that first polaroid 218 can be assembled in the lump with blooming piece 214.Certainly have the knack of this skill person, also can suitably change the design of framework 212, first polaroid 218 and blooming piece 214 are assembled in purpose on the framework smoothly, do not limit the configuration design of first polaroid 218 and blooming piece 214 as long as can reach.
On the other hand, second polaroid 230 for example is to be attached on the display panels 220 by adhesive coating, and the absorption axes of second polaroid 230 for example becomes the vertical direction configuration with the absorption axes of first polaroid 218.
It should be noted that first polaroid 218 is not that mode with adhesion is attached on the display panels 220, but be assembled in the framework 212, after will being specified in about the assembling mode of the blooming piece 214 and first polaroid 218 together with blooming piece 214.
Please consult simultaneously shown in Fig. 1 and Fig. 2 A, in existing known liquid crystal display module 100, first polaroid 118 and second polaroid 130 are to utilize sticker to be attached at the upper surface and the lower surface of display panels 120, there is no the configuration polaroid in the existing known module backlight 110, yet, the present invention is with existing known technology difference: the present invention need only be coated with one deck adhesive coating 220a so that second polaroid 230 is attached on the display panels 220, and first polaroid 218 is to be assembled in the framework 212 of module 210 backlight.
See also shown in Fig. 2 B, for according to first embodiment of the invention back light module unit structure synoptic diagram.Shown in Fig. 2 B, for example have one first fixed part 212a on the framework 212 of present embodiment, and the first fixed part 212a for example be a gomphosis groove or other can fixed optics diaphragm 214 and the fixed sturcture of first polaroid.On the other hand, blooming piece 214 for example has the second fixed part 214a corresponding to the first fixed part 212a, and this second fixed part 214a for example is a lug or other configuration designs.In addition, first polaroid 218 for example has the 3rd fixed part 218a corresponding to the first fixed part 212a, and the 3rd fixed part 218a is a lug or other configuration designs.Profile that it should be noted that above-mentioned blooming piece 214 for example can be consistent with the profile of first polaroid 218.
When assembling module 210 backlight, one framework 212 with gomphosis groove at first is provided, then area source 216 is assembled in the framework 212, again blooming piece 214 is disposed on the area source 216 afterwards, its assembling mode for example is to utilize the lug of blooming piece 214 to be sticked in the gomphosis groove of framework 212, and the number of blooming piece 214 can be done suitable adjustment according to required optical characteristics, is not limited to single blooming piece 214.Then, first polaroid 218 is assembled in the framework 212, its assembling mode is to utilize the lug of first polaroid 218 to be sticked in the gomphosis groove of framework 212.So far just finished the assembling of module 210 backlight.
From the above, after module 210 assemblings backlight are finished, can further the display panels 220 that is pasted with second polaroid 230 be assembled on the module 210 backlight, be one with a housing (bezel) with module 210 backlight, display panels 220 and 230 lockings of second polaroid at last again.
In addition, above-mentioned lug and the shape of corresponding gomphosis groove, number and position, can do suitable adjustment according to the needs of design, be beneficial to integrally-built stable, certainly anyly have the knack of this skill person, also the first fixed part 212a can be designed to a flange and the second fixed part 214a and the 3rd fixed part 218a are designed to a groove corresponding to the first fixed part 212a.In addition, for example be with snapping between the blooming piece 214 and first polaroid 218 and the framework 212, engage, chimeric, bonding, locking or alternate manner and then reach the purpose of assembling.
It should be noted that, first polaroid 218 of present embodiment is to utilize the 3rd fixed part 218a to be positioned in the framework 212, be not to be attached under the display panels 220, and display panels 220 only have only coating one deck adhesive coating 220a in order to attach second polaroid 230 by sticker.Therefore, compared to existing known processing procedure, the present invention more can shorten the time that processing procedure carries out further.In addition, when light source penetrates display panels 120, need only penetrate one deck adhesive coating 220a, therefore make liquid crystal display module 200 have higher display brightness.
Brought forward is described, when on existing known display panels 120, attaching two-layer polaroid, as long as on, one of them attaches failure following polaroid, just must carry out heavy industry, if first polaroid 118 is normal the attaching, and second polaroid 130 attaches failure, in the heavy industry process, still the display panels 120 that attaches failure must be placed on the hot plate and heat, originally normal first polaroid 118 that attaches because of producing bubble, must be attached between display panels 120 again in heating, and display panels 220 of the present invention, only need to attach one deck polaroid, therefore the present invention can significantly reduce the probability of heavy industry, and in other words, the present invention can significantly promote the yield and the production capacity of processing procedure.
Second embodiment
See also shown in Fig. 3 A, be synoptic diagram according to second embodiment of the invention liquid crystal display module.As shown in Figure 3A, the present embodiment and first embodiment are similar, and its main difference is:
Certain those who are familiar with this art, except the housing 212 that utilizes module 210 backlight is fixed respectively first polaroid 218 and second polaroid 230 with fixed frame 240, as long as the profile of second polaroid 230 and the housing 212 of module backlight 210 are done suitable change, only just can fix first polaroid 218 and second polaroid 230 simultaneously with the housing 212 of single module 210 backlight.In any case,, do not limit the design pattern of framework as long as can reach purpose with first polaroid 218 and second polaroid 230 location.
See also shown in Fig. 3 B, be synoptic diagram according to second embodiment of the invention module backlight.Shown in Fig. 3 B, the module backlight 310 of present embodiment and the module backlight of first embodiment, 210 main difference parts are:
In the framework 312 of present embodiment, the first fixed part 312a one has the gomphosis groove of convex cylindrical, and have the lug that circular hole designs corresponding to the second fixed part 314a and the 3rd fixed part 318a, utilize lug to have the gomphosis groove of convex cylindrical in snapping into corresponding to framework 312 in when assembling, the blooming piece 314 and first polaroid 318 are positioned the interior purpose of framework 312 to reach with circular hole design.
See also shown in Fig. 3 C, be synoptic diagram according to second embodiment of the invention module backlight, its display backlight module 310 one side wherein, its fixed part is a mode of continuing to use first embodiment such as Fig. 2 B, it should be noted that, it for example is the holding section with a lug profile that area source 316 can be designed to, and is suitable for snapping in the gomphosis groove of framework 312.
In sum, have following advantage at least at liquid crystal display module of the present invention:
1, display panels of the present invention can select not use sticker to attach polaroid, therefore, have short time and higher fine ratio of product on the processing procedure, and the heavy industry time is also shorter, and then promotes production capacity.
2, liquid crystal display module of the present invention is optional selects without adhesive coating, and compared to known liquid crystal display module, liquid crystal display module of the present invention has better optical characteristics.
3, liquid crystal display module of the present invention is more or less freely on making, and can further lower manufacturing cost.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the structure that can utilize above-mentioned announcement and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations, but every content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (10)
1. module backlight is characterized in that it comprises:
One framework;
One area source is fixed in the above-mentioned framework;
One blooming piece is fixed on the above-mentioned framework, and is positioned on the above-mentioned area source; And
One polaroid is fixed on the above-mentioned framework, and is positioned on the above-mentioned blooming piece.
2. module backlight according to claim 1 is characterized in that wherein said area source comprises:
One light guide plate; And
One line source is disposed at by the above-mentioned light guide plate.
3. module backlight according to claim 1, it is characterized in that wherein said framework has one first fixed part, and above-mentioned blooming piece has second fixed part that is fixed in the first above-mentioned fixed part, and above-mentioned polaroid has the 3rd fixed part that is fixed in the first above-mentioned fixed part.
4. module backlight according to claim 1 is characterized in that wherein said blooming piece comprises the combination of diffusion sheet, brightening piece, prismatic lens or those diaphragms.
5. liquid crystal display module is characterized in that it comprises:
One module backlight comprises:
One framework;
One area source is fixed in the above-mentioned framework;
One blooming piece is fixed on the above-mentioned framework, and is positioned on the above-mentioned area source;
One first polaroid is fixed on the above-mentioned framework, and is positioned on the above-mentioned blooming piece;
One display panels is disposed at above first polaroid of above-mentioned module backlight; And
One second polaroid is disposed on the above-mentioned display panels.
6. liquid crystal display module according to claim 5 is characterized in that wherein said area source comprises:
One light guide plate; And
One line source is disposed at by the above-mentioned light guide plate.
7. liquid crystal display module according to claim 5, it is characterized in that wherein said framework has one first fixed part, and above-mentioned blooming piece has second fixed part that is fixed in above-mentioned first fixed part, and the first above-mentioned polaroid has the 3rd fixed part that is fixed in above-mentioned first fixed part.
8. liquid crystal display module according to claim 5 is characterized in that wherein said blooming piece comprises the combination of diffusion sheet, brightening piece, prismatic lens or those diaphragms.
9. liquid crystal display module according to claim 5, the absorption axes that it is characterized in that wherein said first polaroid are vertical with the absorption axes of second polaroid.
10. liquid crystal display module according to claim 5 is characterized in that it more comprises an adhesive coating, is disposed between above-mentioned second polaroid and display panels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100002116A CN100378527C (en) | 2005-01-05 | 2005-01-05 | Liquid crystal display module assembly and backlight module assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100002116A CN100378527C (en) | 2005-01-05 | 2005-01-05 | Liquid crystal display module assembly and backlight module assembly |
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| CN1800940A CN1800940A (en) | 2006-07-12 |
| CN100378527C true CN100378527C (en) | 2008-04-02 |
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| CNB2005100002116A Active CN100378527C (en) | 2005-01-05 | 2005-01-05 | Liquid crystal display module assembly and backlight module assembly |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101726922A (en) * | 2009-12-18 | 2010-06-09 | 康佳集团股份有限公司 | Backlight module for liquid crystal display |
| TW201314303A (en) * | 2011-09-30 | 2013-04-01 | Au Optronics Corp | Backlight module structure |
| CN104793399B (en) | 2015-05-05 | 2018-04-03 | 京东方科技集团股份有限公司 | Display device and preparation method thereof |
| CN106200125A (en) * | 2016-09-07 | 2016-12-07 | 惠州Tcl移动通信有限公司 | Showing module and configuring the electronic equipment of this display module without backlight module |
| JP6407487B1 (en) * | 2017-11-08 | 2018-10-17 | 堺ディスプレイプロダクト株式会社 | Display device and manufacturing method of display device |
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| JPH11305684A (en) * | 1998-04-22 | 1999-11-05 | Lg Electronics Inc | Liquid crystal display device |
| JP2000258757A (en) * | 1999-03-11 | 2000-09-22 | Seiko Epson Corp | Electro-optic device and electronic instrument |
| CN1349126A (en) * | 2000-10-13 | 2002-05-15 | 三星电子株式会社 | Back light component used for liquid crystal display device |
| CN1361446A (en) * | 2000-12-25 | 2002-07-31 | 株式会社日立制作所 | Liquid crystal display device |
| JP2002341318A (en) * | 2001-05-18 | 2002-11-27 | Toshiba Corp | Flat panel display device |
| CN1553262A (en) * | 2003-06-04 | 2004-12-08 | 友达光电股份有限公司 | Liquid-crystal displaying device and producing method thereof |
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| JPH11305684A (en) * | 1998-04-22 | 1999-11-05 | Lg Electronics Inc | Liquid crystal display device |
| JP2000258757A (en) * | 1999-03-11 | 2000-09-22 | Seiko Epson Corp | Electro-optic device and electronic instrument |
| CN1349126A (en) * | 2000-10-13 | 2002-05-15 | 三星电子株式会社 | Back light component used for liquid crystal display device |
| CN1361446A (en) * | 2000-12-25 | 2002-07-31 | 株式会社日立制作所 | Liquid crystal display device |
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