CN103529603A - Liquid crystal display panel with polymers aligned stably - Google Patents
Liquid crystal display panel with polymers aligned stably Download PDFInfo
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- CN103529603A CN103529603A CN201310504112.6A CN201310504112A CN103529603A CN 103529603 A CN103529603 A CN 103529603A CN 201310504112 A CN201310504112 A CN 201310504112A CN 103529603 A CN103529603 A CN 103529603A
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Abstract
The invention provides a liquid crystal display panel with polymers aligned stably. The liquid crystal display panel is provided with a plurality of unit pixels. Each unit pixel comprises a first sub-pixel and a second sub-pixel which are mutually independent, wherein the first sub-pixel comprises four domains, the second sub-pixel comprises four domains, first pixel electrodes in each domain of the first sub-pixel form multiple parallel strip-shaped patterns, second pixel electrodes in each domain of the second sub-pixel form multiple parallel strip-shaped patterns, and the strip-shaped patterns in corresponding domains extend in the same direction. Each unit pixel further comprises at least one diamond pattern which is arranged above each domain in a straddling mode, and the strip-shaped patterns abut against the border of the diamond pattern. Compared with the prior art, the liquid crystal display panel with the polymers aligned stably has the advantages that due to the fact that the diamond pattern is arranged to reduce the space of slits between the pixel electrodes, and then brightness unevenness caused by the change of widths of the slits at different positions is avoided.
Description
Technical field
The present invention relates to a kind of liquid crystal panel, relate in particular to a kind of liquid crystal panel of polymer-stabilized alignment.
Background technology
Along with showing scientific and technological progress, compare with Traditional CRT Display, Thin Film Transistor-LCD (Thin Film Transistor Liquid Crystal Display, TFT-LCD) the little and advantage that do not take up space of light owing to having, thin, low radiation and volume, become at present main force's product of monitor market, be widely used in the various electronic products such as counter, personal digital assistant (Personal Digital Assistance, PDA), mobile computer, digital camera, mobile phone simultaneously.
In order to further expand application and the quality of liquid crystal display, the research emphasis of current liquid crystal display, the reaction time that mainly concentrates on augmentation visual angle how and shorten screen.For the demand, liquid crystal panel often adopt multiple minute territory vertical orientation (Multi-domain Vertical Alignment, MVA) design.Specifically, in making the process of liquid crystal panel, see through and on common electrode and pixel electrode, form projection or the opening that use is controlled in orientation, liquid crystal molecule is not being executed in alive situation, just along the shape of projection or opening, present the state tilting a little.Thus, when pixel electrode is applied to voltage, liquid crystal molecule, under the driving of electric field, can promptly be toppled over towards predetermined direction by micro-state slightly tilting, and then significantly shorten the screen reaction time, and reach the effect at augmentation visual angle.
Yet, in the prior art, due to MVA technology, must utilize the formation projections such as thin film deposition processes, photoetching process and etch process be opened on common electrode or pixel electrode on, in the complexity of technique and manufacturing cost, all relatively improved many.In addition, the projection that is formed at substrate tends to the light of shaded portions, causes pixel aperture ratio to reduce, thereby has reduced the picture brightness of liquid crystal display.
The problems referred to above that produce in order to improve the liquid crystal panel of application MVA technology, industry develops a kind of polymer-stabilized alignment (Polymer Stabilized Alignment, PSA) technology of utilizing and manufactures the design of liquid crystal panel.By PSA technology, high molecular polymer makes liquid crystal molecule have a tilt angle, that is liquid crystal molecule is not when being subject to electric field driven, is subject to the impact of high molecular polymer and presents the arrangement of inclination; When liquid crystal molecule is subject to electric field driven, liquid crystal molecule just can promptly deflect into suitable orientation, and then shortens the reaction time of liquid crystal panel.Yet liquid crystal panel size of the prior art increases gradually, above-mentioned PSA design proposal still cannot solve the problem of colour cast with great visual angle, and cannot further reduce the phenomenon of color saturation deficiency (color washout).In addition, the exposure error in processing procedure can cause the distribution interval difference of the pixel electrode of liquid crystal panel zones of different, and this will cause the situation of brightness disproportionation.
In view of this, how designing a kind of liquid crystal panel of polymer-stabilized alignment, to improve or to eliminate of the prior art above-mentioned badly, is a person skilled problem urgently to be resolved hurrily in the industry.
Summary of the invention
Liquid crystal panel existing above-mentioned defect when operating for polymer-stabilized alignment of the prior art, the invention provides liquid crystal panel a kind of novelty, that can effectively improve the polymer-stabilized alignment of brightness disproportionation situation.
According to one aspect of the present invention, a kind of polymer-stabilized alignment (PSA is provided, Polymer Stabilized Alignment) liquid crystal panel, this liquid crystal panel has a plurality of unit picture elements, each unit picture element comprises one first sub-pixel independent of each other and one second sub-pixel, described the first sub-pixel and described the second sub-pixel include four minutes territories (domain), the first pixel electrode in each of described the first sub-pixel minute territory forms many strip patterns parallel to each other, the second pixel electrode in each of described the second sub-pixel minute territory forms many strip patterns parallel to each other, and the correspondence of described the first sub-pixel and described the second sub-pixel divides the strip pattern in territory to extend and distribute towards same direction, wherein, each unit picture element also comprises at least one diamond pattern, described diamond pattern is cross-placed on each minute territory in above-mentioned four minutes territories, and above-mentioned strip pattern is against the border of described diamond pattern.
In an embodiment therein, liquid crystal panel also comprises one first metal electrode, and it lays respectively at two angular vertexs of diamond pattern along vertical direction extension and electrode two ends.
In an embodiment therein, liquid crystal panel also comprises one first metal electrode and one second metal electrode, described the first metal electrode lays respectively at two angular vertexs of this diamond pattern along vertical direction extension and electrode two ends, described the second metal electrode lays respectively at two other angular vertex of this diamond pattern along horizontal direction extension and electrode two ends.
In an embodiment therein, this diamond pattern is filled and is formed by tin indium oxide material.
Preferably, this diamond pattern is arranged at the first sub-pixel of described unit picture element.
Preferably, this diamond pattern is arranged at the second sub-pixel of described unit picture element.
According to another aspect of the present invention, a kind of polymer-stabilized alignment (PSA is provided, Polymer Stabilized Alignment) liquid crystal panel, this liquid crystal panel has a plurality of unit picture elements, each unit picture element comprises one first sub-pixel independent of each other and one second sub-pixel, described the first sub-pixel and described the second sub-pixel include four minutes territories (domain), each minute territory of described the first sub-pixel comprises strip pattern that many first pixel electrodes parallel to each other form and many slits (slit) between adjacent the first pixel electrode, each minute territory of described the second sub-pixel comprises strip pattern that many second pixel electrodes parallel to each other form and many slits between adjacent the second pixel electrode, and the strip pattern in the correspondence minute territory of described the first sub-pixel and described the second sub-pixel extends distribution in the same direction, wherein, described liquid crystal panel also comprises a metal electrode, it extends along vertical direction, a part of slit in described many slits contacts with described metal electrode and another part slit does not contact with described metal electrode.
In an embodiment therein, the first sub-pixel and/or described the second sub-pixel also comprise a diamond pattern, be cross-placed on each minute territory in above-mentioned four minutes territories, the two ends of described metal electrode lay respectively at two angular vertexs of this diamond pattern, wherein, the a part of slit that stretches into described diamond pattern inside contacts with described metal electrode, and another part slit that stretches into described diamond pattern inside does not contact with described metal electrode.Preferably, this diamond pattern is filled and is formed by tin indium oxide material.
In an embodiment therein, be arranged in described four minutes territories these strip patterns bearing of trend orientation angles respectively between 40～50 degree, 130～140 degree, 220～230 degree, 310～320 degree.
Adopt PSA liquid crystal panel of the present invention, each pixel is provided with to one first sub-pixel independent of each other and one second sub-pixel, each sub-pixel includes four minutes territories, each minute territory of the first sub-pixel comprises strip pattern that many first pixel electrodes parallel to each other form and many slits between adjacent the first pixel electrode, each minute territory of the second sub-pixel comprises strip pattern that many second pixel electrodes parallel to each other form and many slits between adjacent the second pixel electrode, each pixel also comprises at least one diamond pattern, this diamond pattern is cross-placed on each minute territory in above-mentioned four minutes territories, and above-mentioned strip pattern is against the border of described diamond pattern.Than prior art, the slit that the present invention reduces between pixel electrode by above-mentioned diamond pattern takes up space, and then the slit width improving due to diverse location changes the brightness disproportionation causing.
Accompanying drawing explanation
Reader, after having read the specific embodiment of the present invention with reference to accompanying drawing, will become apparent various aspects of the present invention.Wherein,
Fig. 1 illustrates the structural representation according to the liquid crystal panel of the polymer-stabilized alignment of an embodiment of the present invention;
Fig. 2 illustrates the alternative embodiment of liquid crystal panel of the polymer-stabilized alignment of Fig. 1;
Fig. 3 illustrates another alternative embodiment of liquid crystal panel of the polymer-stabilized alignment of Fig. 1;
Fig. 4 illustrates the structural representation according to the liquid crystal panel of the polymer-stabilized alignment of the another embodiment of the present invention; And
Fig. 5 illustrates the structural representation of the liquid crystal panel of the polymer-stabilized alignment of an embodiment again according to the present invention.
Embodiment
For the technology contents that the application is disclosed is more detailed and complete, can be with reference to accompanying drawing and following various specific embodiments of the present invention, in accompanying drawing, identical mark represents same or analogous assembly.Yet those of ordinary skill in the art should be appreciated that the embodiment that hereinafter provided is not used for limiting the scope that the present invention is contained.In addition, accompanying drawing, only for being schematically illustrated, is not drawn according to its life size.
With reference to the accompanying drawings, the embodiment of various aspects of the present invention is described in further detail.First should know, unit picture element of the present invention comprises two sub-pixels, and each sub-pixel includes pixel electrode, that is, the first sub-pixel comprises the first pixel electrode, and the second sub-pixel comprises the second pixel electrode.The shape of the first pixel electrode has comprised many strip patterns parallel to each other, these long strip type patterns respectively towards four orientation angles along stretching (as, herring-bone form pattern).When this unit picture element is done the used time, the electric field producing between the first pixel electrode and common electrode, can make the liquid crystal molecule in liquid crystal layer produce corresponding deflection according to this electric field.Due to the relation of the first pixel electrode shape, liquid crystal molecule can be respectively towards four orientation angles deflections, thereby form the effect that quadruple is divided territory (4-domain).In addition, due to the shape relation of the second pixel electrode in the second sub-pixel, also can form the effect in quadruple minute territory, therefore, unit picture element has formed the effect in eightfold minute territory (8-domain).
In order to shorten the reaction time of liquid crystal panel, in making the process of liquid crystal panel, in liquid crystal layer, add a kind of monomer for polymkeric substance orientation, and apply voltage signal to common electrode and pixel electrode, make each liquid crystal deflecting element to a predetermined direction, above-mentioned monomer is also arranged along with the orientation of liquid crystal molecule simultaneously.Then, utilize the mode of an energy light (such as visible ray or ultraviolet light) or thermal polymerization, make above-mentioned monomer polymerization become high molecular polymer, and be formed obliquely in liquid crystal panel.
Fig. 1 illustrates the structural representation according to the liquid crystal panel of the polymer-stabilized alignment of an embodiment of the present invention.With reference to Fig. 1, the liquid crystal panel of polymer-stabilized alignment of the present invention (hereinafter referred to as PSA liquid crystal panel) comprises that a plurality of unit picture elements, each unit picture element comprise one first sub-pixel independent of each other and one second sub-pixel.For convenience of description, first sub-pixel 10 of usining illustrates concrete structure as schematic example.It will be understood by those of skill in the art that in certain embodiments, the structure of the first sub-pixel 10 is equally applicable to the second sub-pixel.
As shown in Figure 1, the first sub-pixel 10 comprises four minutes territories (domain), that is, and and minute territory D3 and the bottom-right minute territory D4 of top-right minute territory D1, D2, lower left, upper left minute territory.Particularly, minute territory D1 comprises strip pattern that many first pixel electrodes 101 parallel to each other form and many slits 103 between adjacent the first pixel electrode.Minute territory D2 comprises strip pattern that many first pixel electrodes 201 parallel to each other form and many slits 203 between adjacent the first pixel electrode.Minute territory D3 comprises strip pattern that many first pixel electrodes 301 parallel to each other form and many slits 303 between adjacent the first pixel electrode.Minute territory D4 comprises strip pattern that many first pixel electrodes 401 parallel to each other form and many slits 403 between adjacent the first pixel electrode.In addition, be similar to the first sub-pixel 10, each minute territory of the second sub-pixel also comprises strip pattern that many second pixel electrodes parallel to each other form and many slits between adjacent the second pixel electrode, and the strip pattern in the correspondence minute territory of the first sub-pixel and the second sub-pixel extends distribution in the same direction.For example, no matter the strip pattern of minute territory D1, be the first sub-pixel 10 or the second sub-pixel, and it all extends and distribute towards same direction.Preferably, be arranged in four minutes territory D1～D4 these strip patterns bearing of trend orientation angles respectively between 40～50 degree, 130～140 degree, 220～230 degree, 310～320 degree.
It needs to be noted, each unit picture element of liquid crystal panel of the present invention also comprises at least one diamond pattern P1, and this diamond pattern P1 is cross-placed on each minute territory of above-mentioned four minutes territory D1～D4, and above-mentioned strip pattern is against the border of diamond pattern P1.For example, this diamond pattern P1 is filled and is formed by tin indium oxide (ITO) material.Than prior art, the slit that the present invention can reduce between pixel electrode by above-mentioned diamond pattern takes up space, and then the slit width improving due to diverse location changes the brightness disproportionation causing.In certain embodiments, the first sub-pixel of unit picture element comprises this diamond pattern P1.In certain embodiments, the second sub-pixel of unit picture element comprises this diamond pattern P1.Certainly, at other some embodiment, the first sub-pixel of unit picture element and the second sub-pixel include this diamond pattern P1.
Referring again to Fig. 1, identifier L represents the thickness of the first pixel electrode, and identifier S represents the spacing distance (width of slit) between two adjacent the first pixel electrodes.Take L48 GTG as example, its concrete data (with reference to table 1) as follows.
Table 1
In order to verify diamond pattern of the present invention, can improve brightness disproportionation, as shown in Table 1, design four kinds of ITO(tin indium oxides) LS light shield value (4.0/2.0,3.8/2.2,3.5/2.5,3.3/2.7) in diamond pattern, test respectively and contrast before and after arranging, result has also verified that the overall brightness difference of the liquid crystal panel that adds diamond pattern is less really.In addition, from table 1, also can find out, when 8 minutes territory (the first sub-pixel 4 minutes territory, the second sub-pixel 4 minutes territory) unit picture element while all adopting slit (slit) pattern, same GTG, when L/S gets different numerical value, differs up to 47.2% between the brightest and the darkest; And in the unit picture element in 8 minutes territories, the first sub-pixel is designed with diamond pattern, when the second sub-pixel still adopts slit pattern, same GTG is when L/S gets different numerical value, and differing between the brightest and the darkest is only 24.8%.
Fig. 2 illustrates the alternative embodiment of liquid crystal panel of the polymer-stabilized alignment of Fig. 1.Known in conjunction with Fig. 1 and Fig. 2, the key distinction of the embodiment shown in the embodiment shown in Fig. 2 and Fig. 1 is to be, liquid crystal panel also comprises one first metal electrode M1.This first metal electrode M1 extends along vertical direction, and electrode two ends lay respectively at two angular vertexs of this diamond pattern P1.
Fig. 3 illustrates another alternative embodiment of liquid crystal panel of the polymer-stabilized alignment of Fig. 1.Known in conjunction with Fig. 1 and Fig. 3, the key distinction of the embodiment shown in the embodiment shown in Fig. 3 and Fig. 1 is to be, liquid crystal panel also comprises one first metal electrode M1 and one second metal electrode M2.The first metal electrode M1 lays respectively at two angular vertexs up and down of this diamond pattern P1 along vertical direction extension and electrode two ends, the second metal electrode M2 lays respectively at two of the left and right angular vertex of this diamond pattern P1 along horizontal direction extension and electrode two ends.By metal electrode M1 and M2, can help liquid crystal to swing to by cruciform metal level.
Fig. 4 illustrates the structural representation according to the liquid crystal panel of the polymer-stabilized alignment of the another embodiment of the present invention.
With reference to Fig. 4, be similar to Fig. 1, in this embodiment, the first sub-pixel 50 of liquid crystal panel comprises four minutes territories.Wherein, minute territory D1 comprises strip pattern that many first pixel electrodes parallel to each other form and many slits between adjacent the first pixel electrode.And this liquid crystal panel also comprises a metal electrode M1, it extends along vertical direction, and a part of slit in many slits contacts with metal electrode M1 and another part slit does not contact with metal electrode M1.For example, slit 501 contacts with metal electrode M1, and slit 503 does not contact with metal electrode M1.
In addition, in this embodiment, the first sub-pixel 50 and/or the second sub-pixel also comprise a diamond pattern P2, and this diamond pattern is cross-placed on each minute territory in four minutes territories, and the two ends of metal electrode M1 lay respectively at two angular vertexs of this diamond pattern P2.Wherein, a part of slit (as, slit 501) that stretches into diamond pattern P2 inside contacts with metal electrode M1, and another part slit (as, slit 503) that stretches into diamond pattern P2 inside does not contact with metal electrode M1.
Fig. 5 illustrates the structural representation of the liquid crystal panel of the polymer-stabilized alignment of an embodiment again according to the present invention.
In conjunction with Fig. 4 and Fig. 5, the key distinction of the embodiment shown in the embodiment shown in Fig. 5 and Fig. 4 is to be, the pattern P 3 in the first sub-pixel and/or the second sub-pixel is not regular diamond pattern, and the slit that does not stretch into this pattern P 3 conllinear not.For example, slit 601 stretches into pattern P 3 and contacts with metal electrode M1, and slit 605 does not stretch into pattern P 3 and is resisted against the border of pattern, though slit 603 stretches into pattern P 3, does not contact with metal electrode M1, and slit 607 does not stretch into pattern P 3 and is resisted against the border of pattern.For slit 605 and 607, its against pattern boundaries not on same straight line.Be pointed out that, the pattern of Fig. 4 and Fig. 5 all has part slit to stretch into wherein, thereby on slit limit, may occur that liquid crystal swings to the not good shadow causing, the display quality of liquid crystal panel is slightly poor compared with the embodiment of Fig. 1 to Fig. 3.
Adopt PSA liquid crystal panel of the present invention, each pixel is provided with to one first sub-pixel independent of each other and one second sub-pixel, each sub-pixel includes four minutes territories, each minute territory of the first sub-pixel comprises strip pattern that many first pixel electrodes parallel to each other form and many slits between adjacent the first pixel electrode, each minute territory of the second sub-pixel comprises strip pattern that many second pixel electrodes parallel to each other form and many slits between adjacent the second pixel electrode, each pixel also comprises at least one diamond pattern, this diamond pattern is cross-placed on each minute territory in above-mentioned four minutes territories, and above-mentioned strip pattern is against the border of described diamond pattern.Than prior art, the slit that the present invention reduces between pixel electrode by above-mentioned diamond pattern takes up space, and then the slit width improving due to diverse location changes the brightness disproportionation causing.
Above, describe the specific embodiment of the present invention with reference to the accompanying drawings.But those skilled in the art can understand, without departing from the spirit and scope of the present invention in the situation that, can also do various changes and replacement to the specific embodiment of the present invention.These changes and replacement all drop in the claims in the present invention book limited range.
Claims (10)
1. the liquid crystal panel of a polymer-stabilized alignment, this liquid crystal panel has a plurality of unit picture elements, it is characterized in that, each unit picture element comprises one first sub-pixel independent of each other and one second sub-pixel, described the first sub-pixel and described the second sub-pixel include four minutes territories, the first pixel electrode in each of described the first sub-pixel minute territory forms many strip patterns parallel to each other, the second pixel electrode in each of described the second sub-pixel minute territory forms many strip patterns parallel to each other, and the correspondence of described the first sub-pixel and described the second sub-pixel divides the strip pattern in territory to extend and distribute towards same direction,
Wherein, each unit picture element also comprises at least one diamond pattern, and described diamond pattern is cross-placed on each minute territory in above-mentioned four minutes territories, and above-mentioned strip pattern is against the border of described diamond pattern.
2. liquid crystal panel according to claim 1, is characterized in that, described liquid crystal panel also comprises one first metal electrode, and it lays respectively at two angular vertexs of this diamond pattern along vertical direction extension and electrode two ends.
3. liquid crystal panel according to claim 1, it is characterized in that, described liquid crystal panel also comprises one first metal electrode and one second metal electrode, described the first metal electrode lays respectively at two angular vertexs of this diamond pattern along vertical direction extension and electrode two ends, described the second metal electrode lays respectively at two other angular vertex of this diamond pattern along horizontal direction extension and electrode two ends.
4. liquid crystal panel according to claim 1, is characterized in that, this diamond pattern is filled and formed by tin indium oxide material.
5. liquid crystal panel according to claim 1, is characterized in that, described diamond pattern is arranged at the first sub-pixel of described unit picture element.
6. liquid crystal panel according to claim 1, is characterized in that, described diamond pattern is arranged at the second sub-pixel of described unit picture element.
7. the liquid crystal panel of a polymer-stabilized alignment, this liquid crystal panel has a plurality of unit picture elements, it is characterized in that, each unit picture element comprises one first sub-pixel independent of each other and one second sub-pixel, described the first sub-pixel and described the second sub-pixel include four minutes territories, each minute territory of described the first sub-pixel comprises strip pattern that many first pixel electrodes parallel to each other form and many slits between adjacent the first pixel electrode, each minute territory of described the second sub-pixel comprises strip pattern that many second pixel electrodes parallel to each other form and many slits between adjacent the second pixel electrode, and the strip pattern in the correspondence minute territory of described the first sub-pixel and described the second sub-pixel extends distribution in the same direction,
Wherein, described liquid crystal panel also comprises a metal electrode, and it extends along vertical direction, and a part of slit in described many slits contacts with described metal electrode and another part slit does not contact with described metal electrode.
8. liquid crystal panel according to claim 7, it is characterized in that, described the first sub-pixel and/or described the second sub-pixel also comprise a diamond pattern, are cross-placed on each minute territory in above-mentioned four minutes territories, the two ends of described metal electrode lay respectively at two angular vertexs of this diamond pattern
Wherein, a part of slit that stretches into described diamond pattern inside contacts with described metal electrode, and another part slit that stretches into described diamond pattern inside does not contact with described metal electrode.
9. liquid crystal panel according to claim 8, is characterized in that, this diamond pattern is filled and formed by tin indium oxide material.
10. according to the liquid crystal panel described in any one in claim 1 to 9, it is characterized in that, be arranged in described four minutes territories these strip patterns bearing of trend orientation angles respectively between 40～50 degree, 130～140 degree, 220～230 degree, 310～320 degree.
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| CN201310504112.6A CN103529603A (en) | 2013-10-23 | 2013-10-23 | Liquid crystal display panel with polymers aligned stably |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777693A (en) * | 2015-04-28 | 2015-07-15 | 深圳市华星光电技术有限公司 | High-transparency PSVA (polymer-stabilized vertical alignment) type liquid crystal display panel and manufacturing method thereof |
| WO2016179850A1 (en) * | 2015-05-12 | 2016-11-17 | 深圳市华星光电技术有限公司 | Display panel and thin film transistor array substrate |
| US9568773B2 (en) | 2015-05-22 | 2017-02-14 | Au Optronics Corporation | Pixel structure and pixel array having the same |
| WO2017049713A1 (en) * | 2015-09-25 | 2017-03-30 | 深圳市华星光电技术有限公司 | Pixel electrode and array substrate |
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2013
- 2013-10-23 CN CN201310504112.6A patent/CN103529603A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777693A (en) * | 2015-04-28 | 2015-07-15 | 深圳市华星光电技术有限公司 | High-transparency PSVA (polymer-stabilized vertical alignment) type liquid crystal display panel and manufacturing method thereof |
| WO2016173109A1 (en) * | 2015-04-28 | 2016-11-03 | 深圳市华星光电技术有限公司 | High-transparency psva type liquid crystal display panel and manufacturing method therefor |
| CN104777693B (en) * | 2015-04-28 | 2017-05-03 | 深圳市华星光电技术有限公司 | High-transparency PSVA (polymer-stabilized vertical alignment) type liquid crystal display panel and manufacturing method thereof |
| WO2016179850A1 (en) * | 2015-05-12 | 2016-11-17 | 深圳市华星光电技术有限公司 | Display panel and thin film transistor array substrate |
| US9568773B2 (en) | 2015-05-22 | 2017-02-14 | Au Optronics Corporation | Pixel structure and pixel array having the same |
| WO2017049713A1 (en) * | 2015-09-25 | 2017-03-30 | 深圳市华星光电技术有限公司 | Pixel electrode and array substrate |
| US10209579B2 (en) | 2015-09-25 | 2019-02-19 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Pixel electrode and array substrate |
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