CN101441342B - Touch control panel and liquid crystal display panel - Google Patents
Touch control panel and liquid crystal display panel Download PDFInfo
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- CN101441342B CN101441342B CN2007101866942A CN200710186694A CN101441342B CN 101441342 B CN101441342 B CN 101441342B CN 2007101866942 A CN2007101866942 A CN 2007101866942A CN 200710186694 A CN200710186694 A CN 200710186694A CN 101441342 B CN101441342 B CN 101441342B
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Abstract
The invention discloses a touching control panel with the optical filtering function, comprising a base plate, a first electrode layer, a second electrode layer, a first dielectric layer and a second dielectric layer. The first electrode layer is arranged on the base plate and the second electrode layer is arranged on top of the first electrode layer. The first dielectric layer is between the first electrode layer and the second electrode layer. The second dielectric layer is arranged on the second electrode layer. Simultaneously, the second electrode layer is between the first dielectric layer and the second dielectric layer, wherein one of the first dielectric layer and the second dielectric layer is a colorful filter layer. The invention also provides a liquid crystal display panel taking the touching control panel as the color filter.
Description
Technical field
The invention relates to a kind of contact panel and display panels, and particularly relevant for a kind of colouring display panels that has the contact panel of filtering functions and have touch controllable function.
Background technology
Under information society now, human dependence to electronic product increases day by day gradually.Such as the individualized digital assistants of mobile phone (mobile phone), palmtop computer (handheld PC) (Personal DigitalAssistance, PDA) or smart mobile phone (smart phone) electronic product of etc.ing is seen everywhere arround living.For under limited volume, can allow the user that bigger viewable pictures is arranged and operator scheme more easily is provided, the electronic product of part can combine touch panel with display panel, and constitutes colored touch control display panel.
Fig. 1 illustrates and is traditional a kind of colored touch control display panel.Please refer to Fig. 1, colored touch control display panel 100 comprises display panel 110 and contact panel 120, and wherein contact panel 120 is to fit by double faced adhesive tape 130 and display panel 110.Display panel 110 for example be the LCD that can carry out colorful demonstration (liquidcrystal display, LCD), organic light emitting display (organic light emitting display, the display panel of flat-panel screens such as OLED).Simultaneously, contact panel 120 is digit capacitance contact panels, it comprise the bottom electrode 124 of the top electrode 122 of a plurality of strips, a plurality of strips and be sandwiched in top electrode 122 and bottom electrode 124 between dielectric layer 126.When contact panel 120 is when fitting with display panel 110 by double faced adhesive tape 130, the function that colored touch control display panel 100 shows with touch-control and colouring.Yet double faced adhesive tape 130 only is attached at display panel 110 with around the contact panel 120, and making has space G to exist between contact panel 120 and the display panel 100.When light passes space G, because the difference of refractive index between medium, may make display panel 100 that the phenomenon that light leaks or light penetration rate descend takes place and make the display quality variation.In addition, contact panel 120 makes the thickness of colored touch-control display panel 100 to reduce with the applying of display panel 100, and can't satisfy on the market demand for thinned electronic.
In addition, Fig. 2 illustrates and is traditional another kind of colored touch control display panel.Please refer to Fig. 2, colored touch control display panel 200 and colored touch control display panel 100 are roughly the same, and its difference part is: in the colored touch-control display panel 200, contact panel 120 is to fit by optical cement 230 and display panel 110.Optical cement 230 is to coat all sidedly between display panel 110 and the contact panel 120.Therefore, colored touch control display panel 200 is difficult for producing the situation of light leak and has good display effect.It's a pity that the thickness of the higher and colored touch control display panel 200 of optical cement 230 required costs still can't reduce.Simultaneously, optical cement 230 can produce the not good problem of reliability after long-time the use.Hence one can see that, and traditional colored touch control display panel still can't satisfy the development trend of electronic product slimming, and the display quality of taking into account touch control display panel.
Summary of the invention
The present invention provides a kind of contact panel, and it has filtering functions, need be attached at problem on the color display panel in addition to solve contact panel in the colored touch-control display panel.
The present invention provides a kind of display panels in addition, and colouring shows and the function of touch-control control to have concurrently.
The present invention proposes a kind of contact panel with filtering functions.Contact panel comprises first electrode layer, the second electrode lay, first dielectric layer, second dielectric layer, protective seam and ground connection conductive layer.The second electrode lay is disposed at first electrode layer top.First dielectric layer is disposed between first electrode layer and the second electrode lay, and second dielectric layer is disposed on the second electrode lay.Simultaneously, the second electrode lay between first dielectric layer and second dielectric layer, wherein first dielectric layer or second dielectric layer one of them be chromatic filter layer.Protective seam is disposed between the second electrode lay and second dielectric layer.In addition, the ground connection conductive layer for example is to be disposed between the protective seam and second dielectric layer.
The present invention proposes a kind of display panels in addition, and it comprises first substrate, second substrate and liquid crystal layer.First substrate comprises first electrode layer, the second electrode lay, first dielectric layer, second dielectric layer, third electrode layer, protective seam and ground connection conductive layer.The second electrode lay is disposed at first electrode layer top.First dielectric layer is disposed between first electrode layer and the second electrode lay, and second dielectric layer is disposed on the second electrode lay.Simultaneously, the second electrode lay between first dielectric layer and second dielectric layer, wherein first dielectric layer or second dielectric layer one of them be chromatic filter layer.The third electrode layer then covers second dielectric layer all sidedly.Protective seam is disposed between the second electrode lay and second dielectric layer.In addition, the ground connection conductive layer for example is to be disposed between the protective seam and second dielectric layer.Parallel first substrate of second substrate, and liquid crystal layer is disposed between the third electrode and second substrate of first substrate.
In an embodiment of the present invention, above-mentioned first electrode layer comprises a plurality of first strip electrode patterns, and the first strip electrode pattern is parallel to each other.In addition, the second electrode lay comprises a plurality of second strip electrode patterns.The second strip electrode pattern for example be parallel to each other and the orientation of the second strip electrode pattern vertical in fact with the orientation of the first strip electrode pattern.
In an embodiment of the present invention, above-mentioned contact panel and display panels also comprise a substrate, first electrode layer is disposed on the substrate, and chromatic filter layer comprises a plurality of color filter films and black matrix, black matrix defines pixel region a plurality of times on substrate, and each color filter film is positioned at each time pixel region.Simultaneously, the area of first electrode layer and the second electrode lay overlapping is suitable for containing pixel region plural time.Particularly, each color filter film comprises red filter coating, green filter film or blue filter coating.
In an embodiment of the present invention, above-mentioned contact panel and display panels also comprise a flatness layer, are disposed on the side surface of chromatic filter layer away from first electrode layer.
In an embodiment of the present invention, the material of above-mentioned first electrode layer, the second electrode lay and third electrode layer comprises a transparent conductive material, and transparent conductive material comprises indium tin oxide or indium-zinc oxide.
In an embodiment of the present invention, the thickness of above-mentioned chromatic filter layer is from 0.2 μ m to 4 μ m.
In an embodiment of the present invention, second substrate of above-mentioned display panels comprises an active cell array structure.
In an embodiment of the present invention, said first dielectric layer comprises a glass substrate or a plastic base.
In an embodiment of the present invention, above-mentioned contact panel and display panels also comprise an optical mirror slip, are disposed on the side surface of first electrode layer away from first dielectric layer.
The present invention is because of being integrated in the chromatic filter layer and the structure of contact panel on the identical substrate, and therefore contact panel of the present invention has the function of optical filtering.Furthermore, display panels of the present invention can also have the function of touch-control control concurrently except carrying out the colouring demonstration, simultaneously, compared to traditional color display panel with touch controllable function, display panels of the present invention has thin thickness.
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. is described in detail below.
Description of drawings
Fig. 1 illustrates and is traditional a kind of colored touch-control display panel.
Fig. 2 illustrates and is traditional another kind of colored touch-control display panel.
Fig. 3 is the synoptic diagram of a kind of contact panel of first embodiment of the invention.
Fig. 4 illustrates the synoptic diagram that has the display panels of touch controllable function for of the present invention.
Fig. 5,6 is the synoptic diagram of other two kinds of contact panels of first embodiment of the invention.
Fig. 7 illustrates the synoptic diagram into the contact panel of second embodiment of the invention.
Embodiment
[first embodiment]
Fig. 3 is the synoptic diagram of the contact panel of the first embodiment of the present invention.Please refer to Fig. 3, contact panel 300A comprises substrate 310, first electrode layer 320, the second electrode lay 330, first dielectric layer (350) and second dielectric layer 360, and wherein first dielectric layer (350) for example is a chromatic filter layer 350.First electrode layer 320 is disposed on the substrate 310, and the second electrode lay 330 is disposed at first electrode layer, 320 tops.Chromatic filter layer 350 is disposed between first electrode layer 320 and the second electrode lay 330, and second dielectric layer 360 is disposed on the second electrode lay 330.Simultaneously, the second electrode lay 330 is between the chromatic filter layer 350 and second dielectric layer 360.
In the present embodiment, first dielectric layer, just the thickness of chromatic filter layer 350 can influence the filter effect of contact panel 300A and the capacity effect between first electrode layer 320 and the second electrode lay 330.Therefore, the thickness of chromatic filter layer 350 for example can be from 0.2 μ m to 4 μ m.In general, at the thickness of the employed chromatic filter layer 350 of display panel approximately from 0.8 μ m to 1.2 μ m, to reach good optical filtering usefulness.In addition, second dielectric layer 360 for example is to be made of pi, monox, silicon nitride or dielectric materials such as silicon oxynitride, acryl resin.
In addition, chromatic filter layer 350 comprises a plurality of color filter films 352 and black matrix 354, and black matrix 354 defines pixel region P a plurality of times on substrate 310, and each color filter film 352 is positioned at each time pixel region P.Simultaneously, the area of first electrode layer 320 and the second electrode lay 330 overlappings is suitable for containing pixel region P plural time.In fact, the area that overlaps of first electrode layer 320 and the second electrode lay 330 can be looked the deviser has difference for the requirement of the resolution of contact panel 300A.In addition, first electrode layer 320 does not limit by a plurality of strip shaped electric poles patterns with the second electrode lay 330 yet and constitutes.The material of first electrode layer 320 and the second electrode lay 330 comprises a transparent conductive material, and transparent conductive material comprises indium tin oxide or indium-zinc oxide.
Particularly, each color filter film 352 comprises red filter coating, green filter film or blue filter coating.In other embodiments, color filter film 352 also can be the color filter film 352 with other color scheme.In the present embodiment, chromatic filter layer 350 as first dielectric layer, and is integrated among the contact panel 300A, can makes contact panel 300A have the function of optical filtering.Therefore, if with contact panel 300A and another substrate to organizing (assembling) and between two plates, inserting liquid crystal molecule, then can constitute the display panels that illustrates as Fig. 4 with touch controllable function.
Please refer to Fig. 4, display panels 400 comprises contact panel 300A, second substrate 420 and the liquid crystal layer 430 that illustrates as Fig. 3.Because, the contact panel 300A of present embodiment has filtering functions, thus with 420 pairs of groups of second substrate after, contact panel 300A can be used as colored filter and makes display panels 400 can present the display effect of colouring.In other words, display panels 400 need not pass through a sticker (double faced adhesive tape or optical cement) fits contact panel 300A and display panel, just can make display panels 400 have touch controllable function.Therefore, touch-control liquid crystal display panel 400 has thin thickness, and the phenomenon of light leak also can not take place because of the space between contact panel and display panels the display effect of display panels 400.In addition, the present invention does not have optical cement with increasing and the problem of deterioration service time yet.
Dispose third electrode layer 440 on the contact panel 300A, it is for example as the common electrode in the display panels 400.The material of third electrode layer 440 comprises a transparent conductive material, and transparent conductive material comprises indium tin oxide or indium-zinc oxide.Then for example dispose active cell array structure 422 on second substrate 420.In other embodiments, display panels 400 also can be the design of a passive type display panels, it for example is STN Super TN type LCD (Super Twisted Nematic liquidCrystal display, STN-LCD) or stable twisted nematic LCD (Twisted Nematicliquid Crystal display, display panel TN-LCD).
Certainly, contact panel 300A of the present invention does not limit and only is used in the middle of the display panels, in the middle of other embodiment, contact panel 300A also can be applied to organic light emitting display, and (organic lightemitting display is OLED) etc. in the flat-panel screens.Thus, organic light emitting display can present colouring and show also to have the function of touch-control.In other embodiments, contact panel 300A can be used as colored filter and is applied on the various display interfaces.
In addition, contact panel of the present invention also can be as the contact panel 300B that Fig. 5 illustrated.Please refer to Fig. 5, contact panel 300B disposes a flatness layer 370 in addition on chromatic filter layer 350 in contact panel 300A.Flatness layer 370 can make chromatic filter layer 350 have preferable flatness, to improve the process rate that subsequent film is made.
Furthermore, please refer to Fig. 6, contact panel of the present invention also can be as the contact panel 300C that Fig. 6 illustrated.Contact panel 300C also comprises protective seam 380, is disposed between the second electrode lay 330 and second dielectric layer 360.In addition, contact panel 300C also can comprise a ground connection conductive layer 390, and ground connection conductive layer 390 for example is to be disposed between the protective seam 380 and second dielectric layer 360.Upright and when constituting display panels when contact panel 300C and second substrate in batch, the configuration of ground connection conductive layer 390 can avoid the signal of the common electrode layer of the signal of the second electrode lay 330 and display panels to interfere with each other, to help making display panels keep good display quality.
[second embodiment]
Fig. 7 illustrates the synoptic diagram into the contact panel of the second embodiment of the present invention.Please refer to Fig. 7, contact panel 700 is similar to contact panel 300A, and its difference part is: second dielectric layer of contact panel 700 is a chromatic filter layer 760, and first dielectric layer 750 is not a chromatic filter layer.Contact panel 700 can equally with contact panel 300A have multiple variation, for example more dispose flatness layer (not illustrating) on the chromatic filter layer 760 of contact panel 700, or on the chromatic filter layer 360 that constitutes second dielectric layer, dispose a ground connection conductive layer (not illustrating), and go up configuration the 3rd dielectric layer (not illustrating) in ground connection conductive layer (not illustrating).In addition, contact panel 700 also can comprise protective seam (not illustrating), and it is disposed between the second electrode lay 330 and the chromatic filter layer 760.
In other embodiments, first dielectric layer 750 of contact panel 700 also can be glass substrate or plastic base.At this moment, contact panel 700 must not be configured on the substrate 310, and with first dielectric layer 750 as support base material.In addition, if first dielectric layer 750 is when be glass substrate or plastic base, can dispose an optical mirror slip (not illustrating) on away from a side surface of first dielectric layer 750 at first electrode layer 320.In other words, when first dielectric layer 750 was glass substrate or plastic base, substrate 310 can replace to an optical mirror slip.Generally, the thickness of touch control display panel is significantly reduced contact panel 700 and chromatic filter layer 760 integration.Simultaneously, in other embodiments, first dielectric layer and second dielectric layer of contact panel all can be made up of chromatic filter layer, to improve light through color saturation that is presented behind the contact panel and the thickness that reduces contact panel simultaneously.
In sum, contact panel of the present invention and display panels have the advantage of the following stated at least.Contact panel of the present invention has filter action, therefore can be with the usefulness of contact panel of the present invention as colored filter.Contact panel of the present invention and an active component array base board to group and after therebetween inserting liquid crystal, can be constituted a touch-control liquid crystal display panel.At this moment, touch-control liquid crystal display panel does not need to attach mutually with the panel of two kinds of difference in functionalitys, thereby the thickness of touch-control liquid crystal display panel is reduced.In addition, touch-control liquid crystal display panel of the present invention can not be subjected to the standoff effects between sticker or two panels and make the display quality variation.Furthermore, touch-control liquid crystal display panel of the present invention combines the panel of two kinds of difference in functionalitys, thereby the making element of touch-control liquid crystal display panel is simplified, and then saves cost.More specifically, contact panel of the present invention not only can be applicable in the display panels, also can be applicable in other two-d display panels that need colored filter, so that two-d display panel has the demonstration usefulness of touch controllable function and colouring concurrently.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is when with being as the criterion that claim was defined.
Claims (21)
1. a contact panel has filtering functions, and this contact panel comprises:
One first electrode layer;
One the second electrode lay is disposed at this first electrode layer top;
One first dielectric layer is disposed between this first electrode layer and this second electrode lay;
One second dielectric layer is disposed on this second electrode lay so that this second electrode lay is between this first dielectric layer and this second dielectric layer, wherein this first dielectric layer or this second dielectric layer one of them be a chromatic filter layer;
One protective seam is disposed between this second electrode lay and this second dielectric layer; And
One ground connection conductive layer is disposed between this protective seam and this second dielectric layer.
2. contact panel as claimed in claim 1 is characterized in that, this first electrode layer comprises a plurality of first strip electrode patterns, and those first strip electrode patterns are parallel to each other.
3. contact panel as claimed in claim 2, it is characterized in that, this the second electrode lay comprises a plurality of second strip electrode patterns, those second strip electrode patterns be parallel to each other and the orientation of those second strip electrode patterns vertical in fact with the orientation of those first strip electrode patterns.
4. contact panel as claimed in claim 1, it is characterized in that, also comprise a substrate, this first electrode layer is disposed on this substrate, and this chromatic filter layer comprises a plurality of color filter films and a black matrix, should on this substrate, define a plurality of times pixel region by black matrix, and respectively this color filter film is positioned at respectively this time pixel region.
5. contact panel as claimed in claim 4 is characterized in that, the area that this first electrode layer and this second electrode lay overlap is suitable for containing pixel region plural time.
6. contact panel as claimed in claim 5 is characterized in that, respectively this color filter film comprises red filter coating, green filter film or blue filter coating.
7. contact panel as claimed in claim 1 is characterized in that, also comprises a flatness layer, is disposed on the side surface of this chromatic filter layer away from this first electrode layer.
8. contact panel as claimed in claim 1 is characterized in that, the material of this first electrode layer and this second electrode lay comprises the transparent conductive material that an indium tin oxide or indium-zinc oxide are formed.
9. contact panel as claimed in claim 1 is characterized in that, this first dielectric layer comprises a glass substrate or a plastic base.
10. contact panel as claimed in claim 9 is characterized in that, also comprises an optical mirror slip, is disposed on the side surface of this first electrode layer away from this first dielectric layer.
11. a display panels comprises:
One first substrate comprises:
One first electrode layer;
One the second electrode lay is disposed at this first electrode layer top;
One first dielectric layer is between those first electrodes and those second electrodes;
One second dielectric layer is disposed on this second electrode lay, so that this second electrode lay is between this first dielectric layer and this second dielectric layer, wherein this first dielectric layer or this second dielectric layer are a chromatic filter layer;
One third electrode layer covers this second dielectric layer all sidedly;
One protective seam is disposed between this second electrode lay and this second dielectric layer;
One ground connection conductive layer is disposed between this protective seam and this second dielectric layer;
One second substrate, parallel this first substrate; And
One liquid crystal layer is disposed between this third electrode and this second substrate of this first substrate.
12. display panels as claimed in claim 11 is characterized in that, this first electrode comprises a plurality of first strip electrode patterns, and those first strip electrode patterns are parallel to each other.
13. display panels as claimed in claim 12, it is characterized in that, this the second electrode lay comprises a plurality of second strip electrode patterns, those second strip electrode patterns be parallel to each other and the orientation of those second strip electrode patterns vertical in fact with the orientation of those first strip electrode patterns.
14. display panels as claimed in claim 11, it is characterized in that, also comprise a substrate, this first electrode layer is disposed on this substrate, and this chromatic filter layer comprises a plurality of color filter films and a black matrix, should on this substrate, define a plurality of times pixel region by black matrix, and respectively this color filter film is positioned at respectively this time pixel region.
15. display panels as claimed in claim 14 is characterized in that, the area that this first electrode layer and this second electrode lay overlap is suitable for containing pixel region plural time.
16. display panels as claimed in claim 14 is characterized in that, respectively this color filter film comprises red filter coating, green filter film or blue filter coating.
17. display panels as claimed in claim 11 is characterized in that, also comprises a flatness layer, is disposed on the side surface of this chromatic filter layer away from this first electrode layer.
18. display panels as claimed in claim 11 is characterized in that, the material of this first electrode layer, this second electrode lay and this third electrode layer comprises the transparent conductive material that an indium tin oxide or indium-zinc oxide are formed.
19. display panels as claimed in claim 11 is characterized in that, this second substrate comprises an active cell array structure.
20. display panels as claimed in claim 11 is characterized in that, this first dielectric layer comprises a glass substrate or a plastic base.
21. display panels as claimed in claim 20 is characterized in that, also comprises an optical mirror slip, is disposed on the side surface of this first electrode layer away from this first dielectric layer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101866942A CN101441342B (en) | 2007-11-20 | 2007-11-20 | Touch control panel and liquid crystal display panel |
| US12/242,889 US8134540B2 (en) | 2007-10-16 | 2008-09-30 | Touch panel and liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101866942A CN101441342B (en) | 2007-11-20 | 2007-11-20 | Touch control panel and liquid crystal display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101441342A CN101441342A (en) | 2009-05-27 |
| CN101441342B true CN101441342B (en) | 2010-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101866942A Expired - Fee Related CN101441342B (en) | 2007-10-16 | 2007-11-20 | Touch control panel and liquid crystal display panel |
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| CN (1) | CN101441342B (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104503119A (en) * | 2009-07-24 | 2015-04-08 | 宸鸿光电科技股份有限公司 | In-plane switching type liquid crystal display with touch control function |
| US20110100727A1 (en) * | 2009-10-30 | 2011-05-05 | Shin John Choi | Touch Sensitive Device with Dielectric Layer |
| CN102289098B (en) * | 2010-06-21 | 2015-09-16 | 群创光电股份有限公司 | Base board unit, display module and display device |
| CN102541315A (en) * | 2010-12-07 | 2012-07-04 | 东莞万士达液晶显示器有限公司 | Touch-control display panel |
| CN102693029A (en) * | 2011-03-25 | 2012-09-26 | 宏达国际电子股份有限公司 | Panel structure |
| CN103033979B (en) * | 2012-12-14 | 2015-07-01 | 京东方科技集团股份有限公司 | Color filter and manufacturing method thereof and touch liquid crystal display screen |
| CN103257749A (en) * | 2013-05-13 | 2013-08-21 | 南昌欧菲光显示技术有限公司 | Optical filter box and touch display screen |
| CN103336621A (en) * | 2013-07-05 | 2013-10-02 | 南昌欧菲光显示技术有限公司 | Touch display screen, optical filter component of touch display screen and preparation method of optical filter component |
| CN103365475B (en) * | 2013-07-05 | 2016-07-13 | 南昌欧菲光显示技术有限公司 | Optical filter box and use the touch display screen of this optical filter box |
| CN103336627B (en) * | 2013-07-05 | 2017-04-05 | 南昌欧菲光显示技术有限公司 | Optical filter box and the touch display screen using the optical filter box |
| CN103345318A (en) * | 2013-07-05 | 2013-10-09 | 南昌欧菲光显示技术有限公司 | Light polarization-light filtering module and touch display screen comprising same |
| CN103336622B (en) * | 2013-07-05 | 2016-08-17 | 南昌欧菲光显示技术有限公司 | Touch display screen and optical filter box thereof and this optical filter box preparation method |
| CN103336624B (en) * | 2013-07-05 | 2017-02-08 | 南昌欧菲光显示技术有限公司 | Optical filter assembly and touch display screen using same |
| CN103345335A (en) * | 2013-07-05 | 2013-10-09 | 南昌欧菲光显示技术有限公司 | Optical filter box, optical filter box manufacturing method and touch display screen |
| CN105242800A (en) * | 2014-06-27 | 2016-01-13 | 深圳莱宝高科技股份有限公司 | Touch display panel as well as manufacturing method and driving method therefor |
| CN105988240B (en) * | 2015-02-16 | 2020-03-20 | 上海仪电显示材料有限公司 | Color filter manufacturing method, color filter and liquid crystal display device |
| CN108563361B (en) * | 2018-04-23 | 2021-11-09 | 京东方科技集团股份有限公司 | Touch display panel, driving method thereof and touch display device |
| CN111506216A (en) * | 2020-04-08 | 2020-08-07 | Tcl华星光电技术有限公司 | Touch panel and display device |
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| CN1248712A (en) * | 1998-08-18 | 2000-03-29 | 国际商业机器公司 | Liquid crystal display device |
| CN1675580A (en) * | 2002-08-20 | 2005-09-28 | 三星电子株式会社 | Light guide plate and liquid crystal display having the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1248712A (en) * | 1998-08-18 | 2000-03-29 | 国际商业机器公司 | Liquid crystal display device |
| CN1675580A (en) * | 2002-08-20 | 2005-09-28 | 三星电子株式会社 | Light guide plate and liquid crystal display having the same |
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| CN101441342A (en) | 2009-05-27 |
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