CN102540539A - Wide-visual-angle liquid crystal display - Google Patents
Wide-visual-angle liquid crystal display Download PDFInfo
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- CN102540539A CN102540539A CN2012100413382A CN201210041338A CN102540539A CN 102540539 A CN102540539 A CN 102540539A CN 2012100413382 A CN2012100413382 A CN 2012100413382A CN 201210041338 A CN201210041338 A CN 201210041338A CN 102540539 A CN102540539 A CN 102540539A
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- crystal display
- angle liquid
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134372—Electrodes characterised by their geometrical arrangement for fringe field switching [FFS] where the common electrode is not patterned
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Liquid Crystal (AREA)
- Geometry (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Abstract
The invention discloses a wide-visual-angle liquid crystal display, which comprises a glass substrate, a grid electrode layer, a grid electrode insulation layer, an active layer, an active drain electrode layer, a planarization insulation layer, a pixel electrode layer, an insulation layer and common electrodes, wherein the planarization insulation layer is a planarization film with the surface positioned at the same horizontal plane. Therefore, a liquid crystal box with uniform thickness is obtained, and further, the wide-visual-angle liquid crystal display applying a thin film transistor is ensured to have performance indexes of wide visual angles of display frames and high contrast ratio.
Description
Technical field
The application relates to the LCD Technology field, particularly relates to a kind of wide-angle liquid crystal display.
Background technology
Along with the development of lcd technology, LCD develops towards wide viewing angle and high-contrast in display frame.Contrast is the ratio of picture B&W, and just from deceiving to white gradual change level, ratio is big more, and from black just many more to white gradual change level, color representation is abundant more.Wide viewing angle is when the LCD side is seen, the variable color degree of display frame is very low, and just the visual angle of LCD is bigger.
Adopt VCOM electrode and pixel electrode to be positioned at technology, can reach high-contrast with the wide viewing angle IPS on a slice base plate (In-Plance Switching, plane conversion); But; Keep the consistance of whole display frame just to require the thickness of whole liquid crystal cell to be consistent as far as possible, and the manufacturing technology of traditional liquid crystal cell, the TFT that on whole base plate, distributing (Thin Film Transistor; TFT) structure forms array base palte, is difficult to accomplish planarization.Therefore, said array base palte and CF (Color Filter, colored filter) baseplate-laminating are formed liquid crystal cell, be difficult to accomplish consistency of thickness.
Summary of the invention
For solving the problems of the technologies described above, the application embodiment provides a kind of wide-angle liquid crystal display, and to realize the thickness uniformity of the liquid crystal cell in the wide-angle liquid crystal display, technical scheme is following:
A kind of wide-angle liquid crystal display comprises:
Be positioned at the substrate of bottom;
Be arranged on the grid layer on the said substrate;
Gate insulator on the said substrate that covers said grid layer and do not covered by said grid layer;
Be arranged on the said gate insulator, and be positioned at the active layer of said grid layer top;
Be arranged on the leakage source layer on the said active layer;
Be arranged on the planarization insulating layer on the said leakage source layer, this planarization insulating layer is that upper surface is in same horizontal plane, and this planarization insulating layer be provided with pixel electrode layer;
Be arranged on said pixel electrode layer, and not by the insulation course on the said planarization insulating layer of said pixel electrode layer covering;
Be arranged on the public electrode on the said insulation course.
Preferably, said substrate is a glass substrate.
Preferably, the material of said active layer is a monocrystalline silicon.
Preferably, the material of said grid layer is a metal.
Preferably, the material of said leakage source layer is a metal.
Preferably, the material of said gate insulator is a silicon nitride.
Preferably, the material of said insulation course is a silicon nitride.
Preferably, the material of said planarization insulating layer is a phenolics.
Preferably, said pixel electrode layer is a tin indium oxide ITO electrode.
Preferably, said public electrode is a tin indium oxide ITO electrode.
Technical scheme by above the application embodiment provides is visible; Said wide viewing angle LCDs is made the planarization rete that upper surface is in same horizontal plane with planarization insulating layer; Thereby make that the thickness of liquid crystal cell is even; And then guarantee to use wide-angle liquid crystal display, the wide viewing angle of display frame and the performance index of high-contrast of this TFT.
Description of drawings
In order to be illustrated more clearly in the application embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment that put down in writing among the application, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the synoptic diagram of the primary structure of a kind of wide-angle liquid crystal display of the application embodiment.
Embodiment
In order to make those skilled in the art person understand the technical scheme among the application better; To combine the accompanying drawing among the application embodiment below; Technical scheme among the application embodiment is carried out clear, intactly description; Obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the application's protection.
See also Fig. 1; Show the primary structure synoptic diagram of a kind of wide-angle liquid crystal display that the application embodiment provides; This wide-angle liquid crystal display mainly comprises: substrate 1, grid layer 2, gate insulator 3, active layer 4, source-drain electrode layer 5, planarization insulating layer 6, pixel electrode layer 7; Insulation course 8 and public electrode 9, wherein, grid layer 2, gate insulator 3, active layer 4, source-drain electrode layer 5 and planarization insulating layer 6 have constituted TFT.
Said substrate 1 is positioned at the bottom, and grid layer 2 is arranged on the substrate 1.Gate insulator 3 covers on the grid layer 2, and is not provided with on the substrate 1 of grid layer 2, this gate insulator 3 be used to insulate isolated gate layer 2 and other layers.
The traditional structure of the TFT in the wide-angle liquid crystal display that the application embodiment provides does not change, and concrete work flow is following:
On substrate 1, form gate patterns successively, promptly grid layer 2, film forming gate insulator 3 on grid layer 2; On gate insulator 3, form active layer 4, source-drain electrode layer 5; Then, on the source-drain electrode layer, form the planarization insulating layer 6 of upper surface planarization, and on the planarization insulating layer 6 that is positioned on the drain electrode layer 52, form via hole; On via hole, form pixel electrode layer 7 at last, and guarantee pixel electrode layer.
At pixel electrode layer 7, and do not form on the planarization insulating layer 6 of pixel electrode layer 7, form insulation course 8, on insulation course, form public electrode 9.
It will be appreciated by persons skilled in the art that the gate insulator 3 among the application embodiment all adopts insulating material to realize with insulation course 8, specifically can adopt silicon nitride material to realize.And planarization insulating layer 6 can adopt resin material, specifically adopts phenolics.
Said substrate 1 during the application implements can adopt glass substrate to realize that the material of said active layer 4 can be monocrystalline silicon, and grid layer 2 adopts low-resistance conducting metal to process with gate insulator 3.
The pixel electrode layer 7 concrete ITO (Indium-Tin Oxide, tin indium oxide) of employing conducting films among the application embodiment are realized, and said public electrode 9 adopts the ITO conducting film to realize.
The principle of work of above-mentioned wide-angle liquid crystal display; When for grid layer one input voltage being provided, the TFT conducting makes data line signal to be transferred on the pixel electrode layer 7 through TFT; When the thin film field-effect pipe ends; Electric weight on the pixel electrode layer 7 is stored in the MM CAP that this pixel electrode layer 7 and current electrode in the wide-angle liquid crystal display form, thereby, reach the purpose of display frame.
Said wide viewing angle LCDs is made the planarization rete that upper surface is in same horizontal plane with planarization insulating layer; Thereby make that the thickness of liquid crystal cell is even; And then guarantee to use wide-angle liquid crystal display, the wide viewing angle of display frame and the performance index of high-contrast of this TFT.
The above only is the application's a embodiment; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the application's principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the application's protection domain.
Claims (10)
1. a wide-angle liquid crystal display is characterized in that, comprising:
Be positioned at the substrate of bottom;
Be arranged on the grid layer on the said substrate;
Gate insulator on the said substrate that covers said grid layer and do not covered by said grid layer;
Be arranged on the said gate insulator, and be positioned at the active layer of said grid layer top;
Be arranged on the leakage source layer on the said active layer;
Be arranged on the planarization insulating layer on the said leakage source layer, this planarization insulating layer is that upper surface is in same horizontal plane, and this planarization insulating layer be provided with pixel electrode layer;
Be arranged on said pixel electrode layer, and not by the insulation course on the said planarization insulating layer of said pixel electrode layer covering;
Be arranged on the public electrode on the said insulation course.
2. wide-angle liquid crystal display according to claim 1 is characterized in that, said substrate is a glass substrate.
3. wide-angle liquid crystal display according to claim 1 is characterized in that, the material of said active layer is a monocrystalline silicon.
4. wide-angle liquid crystal display according to claim 1 is characterized in that, the material of said grid layer is a metal.
5. wide-angle liquid crystal display according to claim 1 is characterized in that, the material of said leakage source layer is a metal.
6. wide-angle liquid crystal display according to claim 1 is characterized in that, the material of said gate insulator is a silicon nitride.
7. wide-angle liquid crystal display according to claim 1 is characterized in that, the material of said insulation course is a silicon nitride.
8. wide-angle liquid crystal display according to claim 1 is characterized in that, the material of said planarization insulating layer is a phenolics.
9. wide-angle liquid crystal display according to claim 1 is characterized in that, said pixel electrode layer is a tin indium oxide ITO electrode.
10. wide-angle liquid crystal display according to claim 1 is characterized in that, said public electrode is a tin indium oxide ITO electrode.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100413382A CN102540539A (en) | 2012-02-22 | 2012-02-22 | Wide-visual-angle liquid crystal display |
| PCT/CN2013/071755 WO2013123890A1 (en) | 2012-02-22 | 2013-02-22 | Wide-viewing-angle liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100413382A CN102540539A (en) | 2012-02-22 | 2012-02-22 | Wide-visual-angle liquid crystal display |
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| Publication Number | Publication Date |
|---|---|
| CN102540539A true CN102540539A (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100413382A Pending CN102540539A (en) | 2012-02-22 | 2012-02-22 | Wide-visual-angle liquid crystal display |
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| Country | Link |
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| CN (1) | CN102540539A (en) |
| WO (1) | WO2013123890A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013123890A1 (en) * | 2012-02-22 | 2013-08-29 | 信利半导体有限公司 | Wide-viewing-angle liquid crystal display |
| CN107482020A (en) * | 2017-08-21 | 2017-12-15 | 京东方科技集团股份有限公司 | A kind of array substrate and its manufacturing method |
| WO2018184275A1 (en) * | 2017-04-05 | 2018-10-11 | 惠科股份有限公司 | Display panel, manufacturing process therefor and display device |
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| CN1770476A (en) * | 2004-10-13 | 2006-05-10 | 三星电子株式会社 | Thin film transistor and manufacturing method thereof |
| CN1928669A (en) * | 2005-09-08 | 2007-03-14 | 中华映管股份有限公司 | Method for manufacturing liquid crystal display panel and color filter substrate |
| CN101517469A (en) * | 2006-11-30 | 2009-08-26 | 夏普株式会社 | Active matrix substrate, liquid crystal display panel, liquid crystal display element, liquid crystal display, and substrate for liquid crystal display panel |
| CN101620352A (en) * | 2007-07-05 | 2010-01-06 | 三星电子株式会社 | Display substrate, method of manufacturing the same and display device having the same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4404084B2 (en) * | 2006-10-31 | 2010-01-27 | エプソンイメージングデバイス株式会社 | Active matrix liquid crystal display device |
| JP2009047811A (en) * | 2007-08-16 | 2009-03-05 | Epson Imaging Devices Corp | Manufacturing method of liquid crystal display, and the liquid crystal display |
| JP4678031B2 (en) * | 2008-01-11 | 2011-04-27 | ソニー株式会社 | Liquid crystal device and electronic device |
| JP5492586B2 (en) * | 2010-02-10 | 2014-05-14 | 株式会社ジャパンディスプレイ | Liquid crystal display panel and electronic device |
| CN102540539A (en) * | 2012-02-22 | 2012-07-04 | 信利半导体有限公司 | Wide-visual-angle liquid crystal display |
-
2012
- 2012-02-22 CN CN2012100413382A patent/CN102540539A/en active Pending
-
2013
- 2013-02-22 WO PCT/CN2013/071755 patent/WO2013123890A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1770476A (en) * | 2004-10-13 | 2006-05-10 | 三星电子株式会社 | Thin film transistor and manufacturing method thereof |
| CN1928669A (en) * | 2005-09-08 | 2007-03-14 | 中华映管股份有限公司 | Method for manufacturing liquid crystal display panel and color filter substrate |
| CN101517469A (en) * | 2006-11-30 | 2009-08-26 | 夏普株式会社 | Active matrix substrate, liquid crystal display panel, liquid crystal display element, liquid crystal display, and substrate for liquid crystal display panel |
| CN101620352A (en) * | 2007-07-05 | 2010-01-06 | 三星电子株式会社 | Display substrate, method of manufacturing the same and display device having the same |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013123890A1 (en) * | 2012-02-22 | 2013-08-29 | 信利半导体有限公司 | Wide-viewing-angle liquid crystal display |
| WO2018184275A1 (en) * | 2017-04-05 | 2018-10-11 | 惠科股份有限公司 | Display panel, manufacturing process therefor and display device |
| US11366364B2 (en) | 2017-04-05 | 2022-06-21 | HKC Corporation Limited | Display panel and manufacturing method thereof and display device |
| CN107482020A (en) * | 2017-08-21 | 2017-12-15 | 京东方科技集团股份有限公司 | A kind of array substrate and its manufacturing method |
| US10504938B2 (en) | 2017-08-21 | 2019-12-10 | Boe Technology Group Co., Ltd. | Array substrate and method of manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013123890A1 (en) | 2013-08-29 |
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Application publication date: 20120704 |