WO2018040474A1 - 一种平面液晶显示器 - Google Patents

一种平面液晶显示器 Download PDF

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Publication number
WO2018040474A1
WO2018040474A1 PCT/CN2017/070828 CN2017070828W WO2018040474A1 WO 2018040474 A1 WO2018040474 A1 WO 2018040474A1 CN 2017070828 W CN2017070828 W CN 2017070828W WO 2018040474 A1 WO2018040474 A1 WO 2018040474A1
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Prior art keywords
liquid crystal
crystal display
pixel
flat liquid
common electrode
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PCT/CN2017/070828
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English (en)
French (fr)
Inventor
郝思坤
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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Priority to US15/328,952 priority Critical patent/US20180336836A1/en
Publication of WO2018040474A1 publication Critical patent/WO2018040474A1/zh
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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136227—Through-hole connection of the pixel electrode to the active element through an insulation layer
    • 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
    • G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362—Active matrix addressed cells
    • G02F1/136286—Wiring, e.g. gate line, drain line
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/40—Arrangements for improving the aperture ratio

Definitions

  • the present invention relates to the field of liquid crystal display technology, and in particular, to a flat liquid crystal display.
  • Liquid crystal display is one of the most widely used flat panel displays, and has gradually become a widely used electronic device such as mobile phones, personal digital assistants (PDAs), digital cameras, computer screens or laptop screens with high-resolution color screens. monitor.
  • PDAs personal digital assistants
  • LCDs liquid crystal display
  • LCDs liquid crystal display
  • the liquid crystal display of the planar control mode (IPS) wide viewing angle technology allows the observer to see only the short axis of the liquid crystal molecules at any time, so the images viewed at various angles are not much different, which is a perfect improvement.
  • the viewing angle of the liquid crystal display The first generation of IPS technology proposed a new liquid crystal arrangement for the drawbacks of the twisted nematic panel (TN) mode, achieving a better viewing angle.
  • the second-generation planar conversion technology IPS (S-IPS or Super-IPS) adopts a chevron-shaped electrode and introduces a dual-domain mode to improve the gray-scale reversal phenomenon of the IPS mode of the planar conversion technology at certain specific angles.
  • the third-generation planar conversion technology IPS (AS-IPS or Advanced Super-IPS) reduces the distance between liquid crystal molecules, increases the aperture ratio, and achieves higher brightness.
  • the patent discloses a pixel unit, comprising: a first electrode and a first connection portion connected to the first electrode, the first connection portion being connected to the first connection line through the first via hole, the first connection line and the pixel unit The first connection line of the upper pixel unit and the first connection line of the lower pixel unit are connected.
  • the passivation layer of the common electrode contacts the via PV Via (Com) and the pixel electrode
  • the contact layer PV Via (Pixel) of the passivation layer cannot be in the same horizontal plane and needs to be placed vertically, resulting in a low aperture ratio of the liquid crystal display and a decrease in transmittance, as shown in FIG.
  • FIG. 1 is a schematic diagram of a pixel structure of a conventional liquid crystal display.
  • 11 denotes a common electrode contact hole
  • 12 denotes a data line
  • 13 denotes a scan line
  • 14 denotes a pixel electrode contact hole
  • 15 denotes a pixel electrode
  • 16 denotes a common electrode.
  • 2 is a schematic diagram of a pixel array of a conventional liquid crystal display
  • FIG. 2 is a pixel array constructed using the pixels of FIG. 1. It can be seen that in the array, the presence of a large number of common electrode contact holes results in a low aperture ratio of the liquid crystal display, resulting in a decrease in the transmittance of the liquid crystal display.
  • the present invention proposes a planar liquid crystal display in order to solve the problem of low aperture ratio and low transmittance of a liquid crystal display.
  • the present invention provides a planar liquid crystal display
  • the pixel substrate of the planar liquid crystal display includes a plurality of repeating pixel array units, which are observed along the normal direction of the display panel, each of the pixel array units including: located in the pixel array a pixel electrode contact hole in a central portion of the cell; a common electrode and a pixel electrode on a side of the pixel electrode contact hole; and another side of the pixel electrode contact hole opposite to the common electrode and the pixel electrode a common electrode contact hole, the adjacent two pixel array units share the same common electrode contact hole, and are mirror-symmetrical with respect to a central cross section of the common common electrode contact hole, the central cross section including a normal direction along the display panel Extended straight line.
  • common common electrode contact holes of adjacent two pixel array units are respectively passed through the common electrode lead.
  • each of the pixel array units corresponds to red, blue or green in terms of display color.
  • the pixel array unit further includes scan lines and data lines, which are formed along a normal direction of the display panel, the scan lines are formed along a first direction, and the data lines are perpendicular to the first direction The second direction is formed.
  • the data lines intersect the scan lines to form a rectangular pixel display area comprising two long sides and two short sides.
  • the pixel electrode is located in a rectangular pixel display area formed by the intersection of the data line and the scan line.
  • the scan line is located in a first metal layer, and the data line is located in a second gold Genus layer.
  • the array substrate is sequentially provided with a first metal layer, a gate insulating layer, a semiconductor layer, an ohmic contact layer, a second metal layer, a passivation layer, and a transparent conductive layer from the inner side to the outer side.
  • the pixel electrode is made of a transparent conductive material.
  • the common electrode is made of a transparent conductive material.
  • the invention provides a new liquid crystal display pixel structure, in which two adjacent pixel structural units are arranged oppositely, and two pixel structural units in the same column share a common electrode contact in two adjacent rows of pixel structural units. hole.
  • the aperture ratio of the high-resolution pixel can be increased, and the transmittance of the display can be increased.
  • FIG. 1 is a schematic diagram of a pixel array unit of a conventional liquid crystal display proposed by the background art.
  • 11 denotes a common electrode contact hole
  • 12 denotes a data line
  • 13 denotes a scan line
  • 14 denotes a pixel electrode contact hole
  • 15 denotes a pixel electrode
  • 16 denotes a common electrode.
  • FIG. 2 is a schematic diagram of a pixel array unit arrangement of a conventional liquid crystal display proposed by the background art.
  • FIG. 3 is a schematic structural diagram of a pixel array unit according to an embodiment of the present application.
  • FIG. 3 shows two adjacent pairs of pixel array units sharing the same common electrode contact hole.
  • 21 denotes a common electrode
  • 22 denotes a pixel electrode
  • 23 denotes a pixel electrode contact hole
  • 24 denotes a scanning line
  • 25 denotes a common electrode contact hole
  • 26 denotes a data line.
  • FIG. 4 is a schematic diagram of a pixel layered structure of a pixel array unit according to an embodiment of the present application, wherein the left, middle, and right portions respectively show a first metal layer, an A-si semiconductor layer, and a second metal layer. .
  • FIG. 5 is a schematic diagram of a pixel layered structure of a pixel array unit according to a specific embodiment of the present application, wherein the left and right portions respectively show a passivation layer and an ITO/third metal layer.
  • FIG. 6 is a structural diagram of a pixel array structure of a liquid crystal display according to an embodiment of the present application. Where R corresponds to a red sub-pixel, B corresponds to a blue sub-pixel, and G corresponds to a green sub-pixel.
  • FIG. 3 is a schematic structural diagram of a pixel array unit according to an embodiment of the present application.
  • FIG. 3 shows two adjacent pairs of pixel array units sharing the same common electrode contact hole.
  • 21 denotes a common electrode
  • 22 denotes a pixel electrode
  • 23 denotes a pixel electrode contact hole
  • 24 denotes a scanning line
  • 25 denotes a common electrode contact hole
  • 26 denotes a data line.
  • each of the pixel array units includes a pixel electrode contact hole 23 located in a central portion of the pixel array unit as viewed in a normal direction of the display panel (ie, a direction perpendicular to the plane of the paper). a common electrode 21 and a pixel electrode 22 on the side of the pixel electrode contact hole 23; and a common electrode contact hole on the other side of the pixel electrode contact hole 23 opposite to the common electrode 21 and the pixel electrode 22 25.
  • two adjacent pixel array units share the same common electrode contact hole 25, and are mirror-symmetrical with respect to a central cross section of the common common electrode contact hole 25 (schematically indicated by a broken line P), the central cross section including A straight line that extends along the normal direction of the display panel.
  • the pixel array unit further includes a scan line 24 and a data line 26, which are formed along a normal direction of the display panel, the scan line 24 is formed along a first direction, and the data line 26 is perpendicular to the first direction. The second direction is formed.
  • the data line 26 intersects the scan line 24 to form a rectangular pixel display area including two long sides and two short sides.
  • the pixel electrode 23 is located in a rectangular pixel display region formed by the intersection of the data line 26 and the scan line 24.
  • FIG. 4 is a schematic diagram of a pixel layered structure of a pixel array unit according to an embodiment of the present application, wherein the left, middle, and right portions respectively show a first metal layer, an A-si semiconductor layer, and a second metal layer.
  • FIG. 5 is a schematic diagram of a pixel layered structure of a pixel array unit according to a specific embodiment of the present application, wherein the left and right portions respectively show a passivation layer and an ITO/third metal layer.
  • the common common electrode contact hole 23 of the adjacent two pixel array units is respectively passed through the common electrode lead.
  • scan line 24 can be located in a first metal layer and data line 26 can be located in a second metal layer.
  • a first metal layer, a gate insulating layer, a semiconductor layer, an ohmic contact layer, a second metal layer, a passivation layer, and a transparent conductive layer are sequentially disposed from the inner side to the outer side of the array substrate.
  • the pixel electrode 21 may be made of a transparent conductive material.
  • the common electrode 23 can also be made of a transparent conductive material.
  • FIG. 6 is a diagram showing a pixel array structure of a liquid crystal display according to an embodiment of the present application.
  • R corresponds to a red sub-pixel
  • B corresponds to a blue sub-pixel
  • G corresponds to a green sub-pixel.
  • each of the pixel array units corresponds to red, blue or green in terms of display color.
  • the present invention proposes a new liquid crystal display pixel structure in which two adjacent pixel structure units are arranged opposite each other, and two sub-pixels in the same column of the adjacent two rows of pixel units share one common electrode contact hole.
  • the aperture ratio of the high-resolution pixel can be increased, and the transmittance of the display can be increased.

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  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
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Abstract

一种平面液晶显示器，平面液晶显示器的像素基板包括若干个重复的像素阵列单元，沿显示面板的法向方向观测，每一个像素阵列单元包括：位于中部区域中的像素电极接触孔(23)；位于像素电极接触孔(23)一侧的公共电极(21)和像素电极(22)；以及位于像素电极接触孔(23)的与公共电极(21)和像素电极(22)相反的另一侧的公共电极接触孔(25)，相邻两个像素阵列单元共用同一个公共电极接触孔(25)，且相对于所共用的公共电极接触孔(25)的中央横截面镜像对称。该平面液晶显示器应用于平面液晶显示器领域。

Description

一种平面液晶显示器
相关申请的交叉引用
本申请要求享有于2016年8月31日提交的名称为“一种平面液晶显示器”的中国专利申请CN201610799148.5的优先权，该申请的全部内容通过引用并入本文中。
技术领域
本发明涉及液晶显示技术领域，特别涉及一种平面液晶显示器。
背景技术
液晶显示器是目前使用最广泛的一种平板显示器，已经逐渐成为各种电子设备如移动电话、个人数字助理(PDA)、数字相机、计算机屏幕或笔记本电脑屏幕所广泛应用具有高分辨率彩色屏幕的显示器。随着液晶显示器技术的发展进步，人们对液晶显示器的显示品质、外观设计、低成本和高穿透率等提出了更高的要求
平面控制模式(IPS)广视角技术的液晶显示让观察者任何时候都只能看到液晶分子的短轴，因此在各个角度上观看的画面都不会有太大差别，这样就比较完美地改善了液晶显示器的视角。第一代IPS技术针对扭曲向列型面板(TN)模式的弊病提出了全新的液晶排列方式，实现较好的可视角度。第二代平面转换技术IPS(S-IPS即Super-IPS)采用人字形电极，引入双畴模式，改善平面转换技术IPS模式在某些特定角度的灰阶逆转现象。第三代平面转换技术IPS(AS-IPS即Advanced Super-IPS)减小液晶分子间距离，提高开口率，获得更高亮度。
专利(CN201610027413.8)公开像素单元，包括：第一电极和与第一电极相连的第一连接部，第一连接部通过第一过孔连接至第一连接线，第一连接线与像素单元上侧像素单元的第一连接线和下侧像素单元的第一连接线相连。
在高解析度的像素中，公共电极的钝化层接触孔PV Via(Com)和像素电极的 钝化层接触孔PV Via(Pixel)不能处在同一水平面，需垂直放置，造成液晶显示器的开口率低，穿透率下降，如图1所示。
图1为现有液晶显示器的像素结构示意图。其中，11表示公共电极接触孔，12表示数据线，13表示扫描线，14表示像素电极接触孔，15表示像素电极，16表示公共电极。图2为已有液晶显示器的像素阵列示意图，且图2为使用图1的像素构成的像素阵列。可以看出在该阵列中，大量公共电极接触孔的存在导致液晶显示器的开口率低，从而造成液晶显示器的穿透率下降。
发明内容
本发明为了解决液晶显示器的开口率低、穿透率下降的问题而提出了一种平面液晶显示器。
本发明提出了一种平面液晶显示器，所述平面液晶显示器的像素基板包括若干个重复的像素阵列单元，沿显示面板的法向方向观测，每一个所述像素阵列单元包括：位于所述像素阵列单元的中部区域中的像素电极接触孔；位于所述像素电极接触孔一侧的公共电极和像素电极；以及位于所述像素电极接触孔的与所述公共电极和像素电极相反的另一侧的公共电极接触孔，相邻两个像素阵列单元共用同一个公共电极接触孔，且相对于所共用的公共电极接触孔的中央横截面镜像对称，所述中央横截面包含沿显示面板的法向方向延伸的直线。
在一个实施方式中，在所述像素阵列单元中，分别利用公共电极引线穿过相邻两个像素阵列单元的共用的公共电极接触孔。
在一个实施方式中，每一个所述像素阵列单元在显示颜色方面对应于红色、蓝色或绿色。
在一个实施方式中，所述像素阵列单元还包括扫描线和数据线，沿显示面板的法向方向观测，所述扫描线沿第一方向形成，所述数据线沿垂直于所述第一方向的第二方向形成。
在一个实施方式中，数据线与扫描线交叉形成包含两条长边和两条短边的矩形像素显示区域。
在一个实施方式中，所述像素电极位于数据线和扫描线交叉所围绕形成的矩形像素显示区域内。
在一个实施方式中，所述扫描线位于第一金属层，所述数据线位于第二金 属层。
在一个实施方式中，所述阵列基板由内侧至外侧依次设置有第一金属层、栅极绝缘层、半导体层、欧姆接触层、第二金属层、钝化层以及透明导电层。
在一个实施方式中，所述像素电极由透明导电材料制成。
在一个实施方式中，所述公共电极由透明导电材料制成。
上述技术特征可以各种适合的方式组合或由等效的技术特征来替代，只要能够达到本发明的目的。
本发明提出一种新的液晶显示器像素结构，在该结构中，相邻两个像素结构单元相对排列，相邻两行像素结构单元中，位于同一列的两个像素结构单元共用一个公共电极接触孔。相比于背景技术中所介绍的现有技术中的像素阵列单元的排布方式，使用本发明的像素结构，可以增加高解析度像素的开口率，增加显示器的穿透率。
附图说明
图1为背景技术提出的现有液晶显示器的像素阵列单元示意图。其中，11表示公共电极接触孔，12表示数据线，13表示扫描线，14表示像素电极接触孔，15表示像素电极，16表示公共电极。
图2为背景技术提出的已有液晶显示器的像素阵列单元排布示意图。
图3为本申请的一个具体实施方式提出的像素阵列单元结构示意图，在图3中显示了共用同一个公共电极接触孔的相邻的两个成对的像素阵列单元。其中，21表示公共电极，22表示像素电极，23表示像素电极接触孔，24表示扫描线，25表示公共电极接触孔，26表示数据线。
图4为本申请的一个具体实施方式提出的像素阵列单元的像素分层结构示意图，其中左、中、右三个部分本别显示了第一金属层、A-si半导体层和第二金属层。
图5本申请的一个具体实施方式提出的像素阵列单元的像素分层结构示意图，其中左、右两个部分本别显示了钝化层和ITO/第三金属层。
图6为本申请的一个具体实施方式提出的液晶显示器的像素阵列结构排布。其中，R对应红色子像素，B对应蓝色子像素，G对应绿色子像素。
在附图中，在同一个实施例中，相同的部件使用相同的附图标记。附图并未 按照实际的比例。
具体实施方式
本申请提出了一种平面液晶显示器。所述平面液晶显示器的像素基板包括若干个重复的像素阵列单元。图3为本申请的一个具体实施方式提出的像素阵列单元结构示意图，在图3中显示了共用同一个公共电极接触孔的相邻的两个成对的像素阵列单元。其中，21表示公共电极，22表示像素电极，23表示像素电极接触孔，24表示扫描线，25表示公共电极接触孔，26表示数据线。
参照图3，可看出，沿显示面板的法向方向(即垂直于纸面的方向)观测，每一个所述像素阵列单元包括：位于所述像素阵列单元中部区域中的像素电极接触孔23；位于所述像素电极接触孔23一侧的公共电极21和像素电极22；以及位于所述像素电极接触孔23的与所述公共电极21和像素电极22相反的另一侧的公共电极接触孔25。
其中，相邻两个像素阵列单元共用同一个公共电极接触孔25，且相对于所共用的公共电极接触孔25的中央横截面(由虚线P示意性表示)镜像对称，所述中央横截面包含沿显示面板的法向方向延伸的直线。
另外，所述像素阵列单元还包括扫描线24和数据线26，沿显示面板的法向方向观测，所述扫描线24沿第一方向形成，所述数据线26沿垂直于所述第一方向的第二方向形成。数据线26与扫描线24交叉形成包含两条长边和两条短边的矩形像素显示区域。像素电极23位于数据线26和扫描线24交叉所围绕形成的矩形像素显示区域内。
图4为本申请的一个具体实施方式提出的像素阵列单元的像素分层结构示意图，其中左、中、右三个部分本别显示了第一金属层、A-si半导体层和第二金属层。图5本申请的一个具体实施方式提出的像素阵列单元的像素分层结构示意图，其中左、右两个部分本别显示了钝化层和ITO/第三金属层。
通过图4可以看出，在像素阵列单元中，分别利用公共电极引线穿过相邻两个像素阵列单元的共用的公共电极接触孔23。
参考图4与图5，在一个示例性的实施例中，扫描线24可位于第一金属层，数据线26可位于第二金属层。在阵列基板由内侧至外侧依次设置有第一金属层、栅极绝缘层、半导体层、欧姆接触层、第二金属层、钝化层以及透明导电层。
像素电极21可由透明导电材料制成。公共电极23也可由透明导电材料制成。
图6为本申请的一个具体实施方式提出的液晶显示器的像素阵列结构。其中，R对应红色子像素，B对应蓝色子像素，G对应绿色子像素。参考图6可看出，每一个所述像素阵列单元在显示颜色方面对应于红色、蓝色或绿色。
本发明提出一种新的液晶显示器像素结构，在该结构中，相邻两个像素结构单元相对排列，相邻两行像素单元中，位于同一列的两个子像素共用一个公共电极接触孔。相比于背景技术中所介绍的现有技术中的像素阵列单元的排布方式，使用本发明的像素结构，可以增加高解析度像素的开口率，增加显示器的穿透率。
虽然在本文中参照了特定的实施方式来描述本发明，但是应该理解的是，这些实施例仅仅是本发明的原理和应用的示例。因此应该理解的是，可以对示例性的实施例进行许多修改，并且可以设计出其他的布置，只要不偏离所附权利要求所限定的本发明的精神和范围。应该理解的是，可以通过不同于原始权利要求所描述的方式来结合不同的从属权利要求和本文中所述的特征。还可以理解的是，结合单独实施例所描述的特征可以使用在其他所述实施例中。

Claims (18)

  1. 一种平面液晶显示器，其中，所述平面液晶显示器的像素基板包括若干个重复的像素阵列单元，沿显示面板的法向方向观测，每一个所述像素阵列单元包括：
    位于所述像素阵列单元的中部区域中的像素电极接触孔；
    位于所述像素电极接触孔一侧的公共电极和像素电极；以及
    位于所述像素电极接触孔的与所述公共电极和像素电极相反的另一侧的公共电极接触孔，
    相邻两个像素阵列单元共用同一个公共电极接触孔，且相对于所共用的公共电极接触孔的中央横截面镜像对称，所述中央横截面包含沿显示面板的法向方向延伸的直线。
  2. 根据权利要求1所述的平面液晶显示器，其中：在所述像素阵列单元中，分别利用公共电极引线穿过相邻两个像素阵列单元的共用的公共电极接触孔。
  3. 根据权利要求1所述的平面液晶显示器，其中，每一个所述像素阵列单元在显示颜色方面对应于红色、蓝色或绿色。
  4. 根据权利要求3所述的平面液晶显示器，其中，所述像素阵列单元还包括扫描线和数据线，沿显示面板的法向方向观测，所述扫描线沿第一方向形成，所述数据线沿垂直于所述第一方向的第二方向形成。
  5. 根据权利要求4所述的平面液晶显示器，其中，数据线与扫描线交叉形成包含两条长边和两条短边的矩形像素显示区域。
  6. 根据权利要求5所述的平面液晶显示器，其中，所述像素电极位于数据线和扫描线交叉所围绕形成的矩形像素显示区域内。
  7. 根据权利要求6所述的平面液晶显示器，其中，所述扫描线位于第一金属层，所述数据线位于第二金属层。
  8. 根据权利要求7所述的平面液晶显示器，其中，所述阵列基板由内侧至外侧依次设置有第一金属层、栅极绝缘层、半导体层、欧姆接触层、第二金属层、钝化层以及透明导电层。
  9. 根据权利要求8所述的平面液晶显示器，其中，所述像素电极由透明导电材料制成。
  10. 根据权利要求9所述的平面液晶显示器，其中，所述公共电极由透明导电材料制成。
  11. 根据权利要求2所述的平面液晶显示器，其中，每一个所述像素阵列单元在显示颜色方面对应于红色、蓝色或绿色。
  12. 根据权利要求11所述的平面液晶显示器，其中，所述像素阵列单元还包括扫描线和数据线，沿显示面板的法向方向观测，所述扫描线沿第一方向形成，所述数据线沿垂直于所述第一方向的第二方向形成。
  13. 根据权利要求12所述的平面液晶显示器，其中，数据线与扫描线交叉形成包含两条长边和两条短边的矩形像素显示区域。
  14. 根据权利要求13所述的平面液晶显示器，其中，所述像素电极位于数据线和扫描线交叉所围绕形成的矩形像素显示区域内。
  15. 根据权利要求14所述的平面液晶显示器，其中，所述扫描线位于第一金属层，所述数据线位于第二金属层。
  16. 根据权利要求15所述的平面液晶显示器，其中，所述阵列基板由内侧至外侧依次设置有第一金属层、栅极绝缘层、半导体层、欧姆接触层、第二金属层、钝化层以及透明导电层。
  17. 根据权利要求16所述的平面液晶显示器，其中，所述像素电极由透明导电材料制成。
  18. 根据权利要求17所述的平面液晶显示器，其中，所述公共电极由透明导电材料制成。
PCT/CN2017/070828 2016-08-31 2017-01-11 一种平面液晶显示器 Ceased WO2018040474A1 (zh)

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