WO2018176591A1 - 阵列基板及液晶显示器 - Google Patents

阵列基板及液晶显示器 Download PDF

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WO2018176591A1
WO2018176591A1 PCT/CN2017/084391 CN2017084391W WO2018176591A1 WO 2018176591 A1 WO2018176591 A1 WO 2018176591A1 CN 2017084391 W CN2017084391 W CN 2017084391W WO 2018176591 A1 WO2018176591 A1 WO 2018176591A1
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electrode
electrodes
sub
branch
regions
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PCT/CN2017/084391
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French (fr)
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王金杰
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深圳市华星光电技术有限公司
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Priority to US15/539,683 priority Critical patent/US10310336B2/en
Publication of WO2018176591A1 publication Critical patent/WO2018176591A1/zh

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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

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  • the present invention relates to the field of touch screen technologies, and in particular, to an array substrate and a liquid crystal display.
  • the panel of a common large-size liquid crystal display adopts a four-domain pixel design, and the sub-electrodes are arranged at an angle of 45° to the vertical direction.
  • the arrangement of the pixel electrodes causes the liquid crystals to be arranged at an oblique angle of 45°.
  • the liquid crystal makes the oblique direction inconsistent with the horizontal/vertical direction brightness, and the difference in viewing angle occurs, and the brightness difference of each angle is relatively obvious.
  • the present invention provides an array substrate and a liquid crystal display that reduce the difference in viewing angle brightness.
  • the array substrate of the present application includes a plurality of pixel electrodes arranged in a matrix, each pixel electrode includes a first electrode region and a second electrode region connected to the first electrode region, the first electrode region including the first peripheral electrode and both Providing four first sub-regions of the plurality of first branch electrodes, the first branch electrodes are disposed obliquely and at an angle with respect to the first peripheral electrode; the second electrode region includes a second peripheral electrode and Four second sub-regions each having a plurality of second branch electrodes, wherein the second branch electrodes in the two second sub-regions are laterally disposed, and the other two second sub-regions are disposed
  • the second branch electrode is disposed longitudinally.
  • the second peripheral electrode comprises two main electrodes, two main electrodes are located on two diagonal lines of the second electrode region and vertically intersecting, two of the main electrode and the second peripheral electrode The four second sub-regions are formed, and the second branch electrodes in each of the second sub-regions are perpendicular to the second peripheral electrode portion constituting the region.
  • the first electrode region comprises vertically intersecting vertical stem electrodes disposed in the peripheral electrode And a horizontal stem electrode intersecting the horizontal stem electrode into four first sub-regions, the first branch electrode being distributed in each of the sub-regions and with the vertical stem electrode or horizontal trunk The electrodes are placed at an angle.
  • the vertical stem electrode extends to the outside of the first peripheral electrode and is connected to the second peripheral electrode.
  • the first electrode region and the second electrode region are connected by a peripheral trace.
  • first branch electrode is disposed at an angle of ⁇ 45 degrees or ⁇ 135 degrees with the horizontal trunk electrode or the vertical trunk electrode; the second branch electrode and the two trunk electrodes are disposed at an angle of ⁇ 45 degrees .
  • the first peripheral electrode and the second peripheral electrode have a rectangular frame structure.
  • the spacing between the plurality of the second branch electrodes in each of the second sub-regions is different from the spacing between the plurality of the first branch electrodes of each of the first sub-regions.
  • the width of the first branch electrode is different from the width of the second branch electrode.
  • the liquid crystal display provided by the present invention comprises the array substrate, the color filter substrate, and a liquid crystal layer sandwiched between the array substrate and the color filter substrate.
  • the pixel electrodes of the array substrate of the present application are arranged in two different configurations of electrode regions, which can reduce the difference in brightness and improve the color shift phenomenon.
  • Figure 1 is a top plan view showing a pixel electrode of an array substrate of the present invention.
  • the present invention provides a liquid crystal display and an array substrate.
  • the liquid crystal display includes the array substrate, a color filter substrate, and a liquid crystal layer sandwiched between the array substrate and the color filter substrate. Please refer to FIG. 1 for the present invention.
  • the array substrate provided includes a plurality of pixel electrodes 10 arranged in a matrix, and the plurality of pixel electrodes 10 are disposed on the substrate of the array substrate and connected to the source lines.
  • Each of the pixel electrodes 10 includes a first electrode region 11 and a second electrode region 12 connected to the first electrode region 11.
  • the first electrode region p11 includes a first peripheral electrode 111 and four each of which is provided with a plurality of first branch electrodes 112.
  • the first sub-regions 113 are disposed obliquely and at an angle to the first peripheral electrode 111.
  • the second electrode region 12 includes a second peripheral electrode 121 and four second sub-regions 123 each having a plurality of second branch electrodes 122, and two of the four second sub-regions 123
  • the second branch electrodes 122 in the 123 are disposed laterally, and the second branch electrodes 122 of the other two second sub-regions 123 are disposed longitudinally.
  • the pixel electrode 10 has a rectangular structure.
  • the first electrode region 11 and the second electrode region 12 are rectangular.
  • the first electrode region 11 is located above the second electrode region 12, and the second peripheral electrode 121 has a rectangular frame structure, including an outer frame 1211 and two trunk electrodes 1212, and two main electrodes 1212 are located.
  • the second peripheral electrodes 121 are disposed on two diagonal lines and vertically intersecting each other. Two of the trunk electrodes 1212 and the second peripheral electrode 121 form the four second sub-regions 123, and the second branch electrodes 122 in each of the second sub-regions 123 are perpendicular to the second periphery constituting the region. Part of the electrode 121.
  • the second branch electrodes 122 in the two oppositely disposed second sub-regions 123 are disposed laterally, that is, the second branch electrodes 122 are perpendicular to the second peripheral electrode 121 portion constituting the second sub-region 123, which is in this embodiment. It is perpendicular to the longitudinal portion of the second peripheral electrode outer frame 1211.
  • the second branch electrodes 122 in the two opposite second sub-regions 123 are disposed longitudinally, that is, the second branch electrodes 122 are perpendicular to the second peripheral electrode 121 portion constituting the second sub-region 123, in this embodiment. It is perpendicular to the lateral portion of the second peripheral electrode outer frame 1211. All of the second branch electrodes 122 are disposed at an angle to the main electrode 1212, which is set at an angle of ⁇ 45 degrees in this embodiment.
  • the first electrode region 11 includes vertically intersecting vertical trunk electrodes 1111 and horizontal trunk electrodes 1112 disposed in the first peripheral electrode 111, and the vertical trunk electrodes 1111 and the horizontal trunk electrodes 1112 intersect to be divided into Four first sub-regions 113 are disposed in each of the first sub-regions 113 and disposed at an angle to the vertical stem electrode 1111 or the horizontal stem electrode 1112.
  • the first branch electrode 112 is disposed at an angle of ⁇ 45 degrees or ⁇ 135 degrees to the horizontal stem electrode 1111 or the vertical stem electrode 1112.
  • the vertical trunk electrode 1111 extends to the first peripheral electrode 111 to be connected to the second peripheral electrode 121.
  • the first electrode region 11 and the first The two electrode regions 12 are connected by a peripheral trace.
  • a spacing between the plurality of the second branch electrodes 122 in each of the second sub-regions 123 is different from a spacing between the plurality of the first branch electrodes 112 of each of the first sub-regions 113.
  • the width of the first branch electrode 112 is different from the width of the second branch electrode 122, so that the deflection angle of the liquid crystal is different, and a function of low color shift can be realized.
  • the spacing between the plurality of the second branch electrodes 122 and the spacing between the plurality of the first branch electrodes 112 may be equal according to design requirements.
  • the width of the first branch electrode 112 is equal to the width of the second branch electrode 122.
  • the array substrate of the present invention divides each pixel electrode into two parts, and a part of the waste paper electrode is disposed longitudinally and longitudinally. In this way, the liquid crystal molecules in the pixel can be arranged at an angle of more than 45°, which increases the vertical and horizontal directions. In this way, the long axis of the liquid crystal molecules can be seen at different angles, and the viewing angle is greatly improved.

Abstract

一种阵列基板，包括矩阵排列的数个像素电极（10），每个像素电极（10）包括第一电极区域（11）及与第一电极区域（11）连接的第二电极区域（12），第一电极区域（11）包括第一外围电极（111）及均设有多个第一分支电极（112）的四个第一子区域（113），第一分支电极（112）倾斜设置且相较于第一外围电极（111）呈夹角；第二电极区域（12）包括第二外围电极（121）及均设有多个第二分支电极（122）的四个第二子区域（123），四个第二子区域（123）中，两个第二子区域（123）内的第二分支电极（122）横向设置，另外两个第二子区域（123）的第二分支电极（122）纵向设置。

Description

阵列基板及液晶显示器
本发明要求2017年3月31日递交的发明名称为“阵列基板及液晶显示器”的申请号2017102113192的在先申请优先权，上述在先申请的内容以引入的方式并入本文本中。
技术领域
本发明涉及触摸屏技术领域，尤其涉及一种阵列基板及液晶显示器。
背景技术
常见的大尺寸液晶显示器的面板采用4畴的画素设计，子电极均与垂直方向呈45°角排列，此种画素电极的排列方式会使液晶沿着斜向45°角排列，这种方式排列的液晶会使斜向与水平/垂直方向的亮度不一致，出现视角的差异，各个角度的亮度差异比较明显。
发明内容
本发明提供一种减小视角亮度差异的阵列基板及液晶显示器。
本申请所述的阵列基板，包括矩阵排列的数个像素电极，每个像素电极包括第一电极区域及与第一电极区域连接的第二电极区域，第一电极区域包括第一外围电极及均设有多个第一分支电极的四个第一子区域，所述第一分支电极倾斜设置且相较于所述第一外围电极呈夹角；所述第二电极区域包括第二外围电极及均设有多个第二分支电极的四个第二子区域，所述四个第二子区域中，两个第二子区域内的第二分支电极横向设置，另外两个第二子区域的第二分支电极纵向设置。
其中，所述第二外围电极包括两个主干电极，两个主干电极位于所述第二电极区域的两个对角线上且垂直交叉设置，两个所述主干电极与所述第二外围电极形成所述四个第二子区域，每一第二子区域内的第二分支电极均垂直于构成该区域的第二外围电极部分。
其中，所述第一电极区域包括设于外围电极内的垂直相交的竖直主干电极 与水平主干电极，所述竖直主干电极与水平主干电极相交分成四个第一子区域，所述第一分支电极分布于每个所述子区域内且与所述竖直主干电极或水平主干电极呈夹角设置。
其中，所述竖直主干电极延伸至所述第一外围电极外部与所述第二外围电极连接。
其中，所述第一电极区域与所述第二电极区域通过外围走线连接。
其中，所述第一分支电极与所述水平主干电极或竖直主干电极成±45度角或者±135度角设置；所述第二分支电极与所述两个主干电极呈±45度角设置。
其中，所述第一外围电极与所述第二外围电极为矩形框结构。
其中，每个第二子区域内的数个所述第二分支电极之间间距与所述每个第一子区域的数个所述第一分支电极之间间距不等。
其中，所述第一分支电极的宽度与第二分支电极的宽度不等。
本发明提供的液晶显示器，包括所述的阵列基板、彩膜基板及夹持于阵列基板与彩膜基板之间的液晶层。
本申请阵列基板的像素电极设置两种不同结构的电极区域排列方式，可降低亮度差异，改善色偏现象。
附图说明
为更清楚地阐述本发明的构造特征和功效，下面结合附图与具体实施例来对其进行详细说明。
图1是本发明阵列基板的一个像素电极的俯视图示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述。其中，附图仅用于示例性说明，表示的仅是示意图，不能理解为对本专利的限制。
本发明提供一种液晶显示器及阵列基板，所述液晶显示器包括该阵列基板、彩膜基板及夹持于阵列基板与彩膜基板之间的液晶层。请参阅图1本发明 提供的阵列基板包括矩阵排列的数个像素电极10，所述数个像素电极10设于阵列基板的基板上与源极线连接。每个像素电极10包括第一电极区域11及与第一电极区域11连接的第二电极区域12，第一电极区域p11包括第一外围电极111及均设有多个第一分支电极112的四个第一子区域113，所述第一分支电极112倾斜设置且相较于所述第一外围电极111呈夹角。所述第二电极区域12包括第二外围电极121及均设有多个第二分支电极122的四个第二子区域123，所述四个第二子区域123中，两个第二子区域123内的第二分支电极122横向设置，另外两个第二子区域123的第二分支电极122纵向设置。
本实施例中，所述像素电极10为矩形结构。所述第一电极区域11与第二电极区域12为矩形。从图示所示，所述第一电极区域11位于第二电极区域12上方，所述第二外围电极121为矩形框结构，包括外框1211及两个主干电极1212，两个主干电极1212位于所述第二外围电极121的两个对角线上且垂直交叉设置。两个所述主干电极1212与所述第二外围电极121形成所述四个第二子区域123，每一第二子区域123内的第二分支电极122均垂直于构成该区域的第二外围电极121部分。两个相对设置的第二子区域123内的第二分支电极122横向设置，也就是第二分支电极122垂直于构成该第二子区域123内的第二外围电极121部分，本实施例中是垂直于第二外围电极外框1211纵向部分。另外两个相对设置的第二子区域123内的第二分支电极122纵向设置，也就是第二分支电极122垂直于构成该第二子区域123内的第二外围电极121部分，本实施例中是垂直于第二外围电极外框1211横向部分。所有第二分支电极122与主干电极1212呈夹角设置，本实施例为±45度角设置。
本实施例中，所述第一电极区域11包括设于第一外围电极111内的垂直相交的竖直主干电极1111与水平主干电极1112，所述竖直主干电极1111与水平主干电极1112相交分成四个第一子区域113，所述第一分支电极112分布于每个所述第一子区域113内且与所述竖直主干电极1111或水平主干电极1112呈夹角设置。所述第一分支电极112与所述水平主干电极1111或竖直主干电极1112成±45度角或者±135度角设置。
进一步的，所述竖直主干电极1111延伸至所述第一外围电极111与所述第二外围电极121连接。在其它实施方式中，所述第一电极区域11与所述第 二电极区域12通过外围走线连接。比如第一外围电极111内的水平主干电极1112的延伸线或者第二外围电极121的主干电极1212延伸线；或者外接走线。
进一步的，每个第二子区域123内的数个所述第二分支电极122之间间距与所述每个第一子区域113的数个所述第一分支电极112之间间距不等。所述第一分支电极112的宽度与第二分支电极122的宽度不等，这样液晶的偏转角度会出差异，可以实现低色偏的功能。当然，根据设计需要数个所述第二分支电极122之间间距与数个所述第一分支电极112之间间距也可以相等。第一分支电极112的宽度与第二分支电极122的宽度相等。
本发明所述的阵列基板将每个像素电极分成两部分，一部分没得废纸电极横向纵向设置，通过这种方式像素内的液晶分子排列可以不止45°角，会增加垂直与水平两个方向，这样可以在不同的角度均可见液晶分子长轴，可视角度大大的提升。
以上所述是本发明的优选实施例，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。

Claims (18)

  1. 一种阵列基板，包括矩阵排列的数个像素电极，其中，每个像素电极包括第一电极区域及与第一电极区域连接的第二电极区域，第一电极区域包括第一外围电极及均设有多个第一分支电极的四个第一子区域，所述第一分支电极倾斜设置且相较于所述第一外围电极呈夹角；所述第二电极区域包括第二外围电极及均设有多个第二分支电极的四个第二子区域，所述四个第二子区域中，两个第二子区域内的第二分支电极横向设置，另外两个第二子区域的第二分支电极纵向设置。
  2. 如权利要求1所述的阵列基板，其中，所述第二外围电极包括两个主干电极，两个主干电极位于所述第二外围电极的两个对角线上且垂直交叉设置，两个所述主干电极与所述第二外围电极形成所述四个第二子区域，每一第二子区域内的第二分支电极均垂直于构成该区域的第二外围电极部分。
  3. 如权利要求2所述的阵列基板，其中，所述第一电极区域包括设于所述第一外围电极内的垂直相交的竖直主干电极与水平主干电极，所述竖直主干电极与水平主干电极相交分成四个所述第一子区域，所述第一分支电极分布于每个所述第一子区域内且与所述竖直主干电极或水平主干电极呈夹角设置。
  4. 如权利要求3所述的阵列基板，其中，所述竖直主干电极延伸至所述第一外围电极外部与所述第二电极区域的第二外围电极连接。
  5. 如权利要求1所述的阵列基板，其中，所述第一电极区域与所述第二电极区域通过外围走线连接。
  6. 如权利要求3所述的阵列基板，其中，所述第一分支电极与所述水平主干电极或竖直主干电极成±45度角或者±135度角设置；所述第二分支电极与所述两个主干电极呈±45度角设置。
  7. 如权利要求6所述的阵列基板，其中，所述第一外围电极与所述第二外围电极为矩形框结构。
  8. 如权利要求1所述的阵列基板，其中，每个第二子区域内的数个所述第二分支电极之间间距与所述每个第一子区域的数个所述第一分支电极之间间距不等。
  9. 如权利要求1所述的阵列基板，其中，所述第一分支电极的宽度与第二分支电极的宽度不等。
  10. 一种液晶显示器，其中，包括阵列基板、彩膜基板及夹持于阵列基板与彩膜基板之间的液晶层，所述阵列基板包括矩阵排列的数个像素电极，其中，每个像素电极包括第一电极区域及与第一电极区域连接的第二电极区域，第一电极区域包括第一外围电极及均设有多个第一分支电极的四个第一子区域，所述第一分支电极倾斜设置且相较于所述第一外围电极呈夹角；所述第二电极区域包括第二外围电极及均设有多个第二分支电极的四个第二子区域，所述四个第二子区域中，两个第二子区域内的第二分支电极横向设置，另外两个第二子区域的第二分支电极纵向设置。
  11. 如权利要求10所述的阵列基板，其中，所述第二外围电极包括两个主干电极，两个主干电极位于所述第二外围电极的两个对角线上且垂直交叉设置，两个所述主干电极与所述第二外围电极形成所述四个第二子区域，每一第二子区域内的第二分支电极均垂直于构成该区域的第二外围电极部分。
  12. 如权利要求11所述的阵列基板，其中，所述第一电极区域包括设于所述第一外围电极内的垂直相交的竖直主干电极与水平主干电极，所述竖直主干电极与水平主干电极相交分成四个所述第一子区域，所述第一分支电极分布于每个所述第一子区域内且与所述竖直主干电极或水平主干电极呈夹角设置。
  13. 如权利要求12所述的阵列基板，其中，所述竖直主干电极延伸至所述第一外围电极外部与所述第二电极区域的第二外围电极连接。
  14. 如权利要求10所述的阵列基板，其中，所述第一电极区域与所述第二电极区域通过外围走线连接。
  15. 如权利要求12所述的阵列基板，其中，所述第一分支电极与所述水平主干电极或竖直主干电极成±45度角或者±135度角设置；所述第二分支电极与所述两个主干电极呈±45度角设置。
  16. 如权利要求15所述的阵列基板，其中，所述第一外围电极与所述第二外围电极为矩形框结构。
  17. 如权利要求10所述的阵列基板，其中，每个第二子区域内的数个所述第二分支电极之间间距与所述每个第一子区域的数个所述第一分支电极之 间间距不等。
  18. 如权利要求10所述的阵列基板，其中，所述第一分支电极的宽度与第二分支电极的宽度不等。
PCT/CN2017/084391 2017-03-31 2017-05-15 阵列基板及液晶显示器 WO2018176591A1 (zh)

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