CN104950538B - 液晶显示装置及其阵列基板 - Google Patents

液晶显示装置及其阵列基板 Download PDF

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CN104950538B
CN104950538B CN201510409651.0A CN201510409651A CN104950538B CN 104950538 B CN104950538 B CN 104950538B CN 201510409651 A CN201510409651 A CN 201510409651A CN 104950538 B CN104950538 B CN 104950538B
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CN104950538A (zh
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王聪
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Wuhan China Star Optoelectronics Technology Co Ltd
TCL Huaxing Photoelectric Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
Wuhan China Star Optoelectronics Technology Co Ltd
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    • G—PHYSICS
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    • 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
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    • 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
    • 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
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    • G02F1/134309—Electrodes characterised by their geometrical arrangement
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    • 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
    • G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
    • H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body
    • H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
    • H01L27/124—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
    • 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
    • G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/123—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel

Abstract

本发明提供一种液晶显示装置及其阵列基板。同一列像素电极允许相同颜色的光透过，每条数据线逐行环绕至少一列像素电极，且在环绕每相邻两行像素电极时的开口方向相反，同一列的奇数行的像素电极连接同一条数据线，同一列的偶数行的像素电极连接同一条数据线，且奇数行和偶数行的像素电极分别连接不同的数据线。本发明能够减小彩膜基板上的色阻在边角处出现的偏差，改善显示时的漏光现象。

Description

液晶显示装置及其阵列基板
技术领域
本发明涉及显示技术领域，具体涉及一种液晶显示装置及其阵列基板。
背景技术
显示面板是液晶显示器的主要组成部分，其主要结构包括相对设置的阵列基板和彩膜基板以及设置于两者之间的液晶层，其中液晶显示器主要通过彩膜基板中的色阻呈现彩色影像。
参阅图1所示现有的阵列基板的一种像素结构，其为Pen-tile排列方式，多条栅极线G和多条数据线D垂直交叉，像素电极P位于栅极线G和数据线D交叉定义出的区域之中，对应地，彩膜基板上的色阻与像素电极P的位置一一对应。当前普遍通过掩膜板(mask)曝光的方式形成彩膜基板上的色阻，掩膜板上设置有与每一色阻对应的开口(相当于图1所示每一像素电极所在区域)，相邻两个开口之间具有遮挡(相当于图1所示相邻两个像素电极之间的区域)，在曝光的过程中，光线在透过掩膜板的相邻两个开口时会在遮挡部位出现狭缝衍射现象，导致色阻的边角处因被曝光而出现偏差(bias)，从而导致显示面板在显示时位于相邻两个色阻之间的黑矩阵(Black Matrix，BM)无法全部遮挡来自阵列基板的像素电极的光，不可避免的出现漏光现象。
发明内容
有鉴于此，本发明实施例提供一种液晶显示装置及其阵列基板，以改善液晶显示面板在显示时的漏光现象。
本发明一实施例提供一种阵列基板，包括栅极线、数据线和呈阵列排布的多个像素电极，同一列像素电极允许相同颜色的光透过，相邻两行像素电极之间具有一条栅极线，且同一行像素电极连接同一条栅极线，每条数据线逐行环绕至少一列像素电极，且每条数据线在环绕相邻两行像素电极时的开口方向相反，同一列的奇数行的像素电极连接同一条数据线，同一列的偶数行的像素电极连接同一条数据线，且奇数行和偶数行的像素电极分别连接不同的数据线。
其中，多个像素电极分别允许红、绿、蓝、白四种颜色的光透过。
其中，每条数据线逐行环绕相邻两列像素电极，每条数据线分别与其环绕的两列像素电极中远离所述开口方向的一个以及下一行且和所述一个相邻的像素电极沿列方向依次连接。
其中，多个像素电极在行方向上依次允许所述红色光、所述绿色光、所述蓝色光、所述白色光透过，并循环。
其中，每条数据线逐行环绕一列像素电极，每条数据线分别与其环绕的一列像素电极相邻的两列像素电极沿列方向依次连接。
其中，多个像素电极在行方向上依次允许所述白色光、所述绿色光、所述红色光、所述蓝色光透过，并循环。
其中，相邻两个像素电极沿行方向的尺寸之和等于每个像素电极沿列方向的尺寸。
其中，阵列基板还包括多个TFT，每个TFT的栅极连接相邻的栅极线、源极连接相邻的数据线、漏极连接相邻的像素电极。
本发明另一实施例提供一种液晶显示装置，包括上述阵列基板。
本发明实施例的液晶显示装置及其阵列基板，通过对阵列基板的数据线的布局和连接方式进行改进，在不影响开口率的情况下，能够增大两个相邻像素电极之间的区域，对应增大彩膜基板上两个相邻色阻之间的区域，改善曝光制得色阻时的狭缝衍射现象，从而减小色阻在边角处出现的偏差，改善显示时的漏光现象。
附图说明
图1是现有的阵列基板一实施例的像素结构示意图；
图2是本发明的阵列基板一实施例的像素结构示意图；
图3是本发明的阵列基板另一实施例的像素结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明所提供的示例性的实施例的技术方案进行清楚、完整地描述。
图2是本发明的阵列基板一实施例的像素结构示意图。如图2所示，所述阵列基板包括多条栅极线21、多条数据线22以及多个呈阵列排布的像素电极P1、P2、P3、P4。其中，位于同一列的像素电极允许相同颜色的光透过，例如，图中从右至左，包括第一列像素电极P1的子像素作为阵列基板的透明子像素(W，White)，允许白色光透过；包括第二列像素电极P2的子像素作为阵列基板的绿色子像素(G，Green)，允许绿色光透过；包括第三列像素电极P3的子像素作为阵列基板的红色子像素(R，Red)，允许红色光透过；包括第四列像素电极P4的子像素作为阵列基板的蓝色子像素(B，Blue)，允许蓝色光透过。并且，所述子像素的排布沿平行于栅极线21的行方向依次循环。
另外可选地，任意相邻两个像素电极在所述行方向上的尺寸之和等于每个像素电极在列方向上的尺寸，即，相邻两个像素电极可构成正方形，且该正方形的边长等于每一像素电极的长度。
在本实施例中，相邻两行像素电极之间具有一条栅极线21，且同一行像素电极连接同一条栅极线21，每条数据线22逐行环绕一列像素电极，每条数据线22的环绕形状大致为弓形，且每条数据线22在环绕每相邻两行像素电极时的开口方向相反且环绕方式相同，例如，图2所示右方第一条数据线22逐行环绕与其相邻的第m+1列像素电极P3，该数据线22在环绕第n+1行像素电极P3时的开口方向为朝右、在环绕第n+2行像素电极P3时的开口方向为朝左，其中m、n为正整数。
另外，每条数据线分别与其环绕的一列像素电极相邻的两列像素电极沿列方向依次连接，例如，第m+1列像素电极P3分别与第m列像素电极P4、第m+2列像素电极P2相邻，逐行环绕第m+1列像素电极P3的图2所示的右方第一条数据线22，与第n行且第m列的像素电极P4连接、与第n+1行且第m+2列的像素电极P2连接、与第n+2行且第m列的像素电极P4连接、与第n+3行且第m+2列的像素电极P2连接，沿所述列方向后续连接方式依此类推。
应该理解到，弓形数据线22的布局仅是本发明的一种实施例，在实际应用中，各条数据线22的布局形状以及对每一列像素电极的环绕方式不一定相同，还可能是不规则的布局形状，例如：
参阅图3所示的本发明的阵列基板另一实施例的像素结构，从左至右，包括第一列像素电极P5的子像素作为阵列基板的红色子像素，允许红色光透过；包括第二列像素电极P6的子像素作为阵列基板的绿色子像素，允许绿色光透过；包括第三列像素电极P7的子像素作为阵列基板的蓝色子像素，允许蓝色光透过；包括第四列像素电极P8的子像素作为阵列基板的白色子像素，允许白色光透过。并且，所述子像素的排布沿平行于栅极线21的行方向依次循环。
图3所示实施例的每条数据线22逐行环绕对应的相邻两列的像素电极，每条数据线22分别与其环绕的两列像素电极中远离所述开口方向的一个以及下一行且和所述一个相邻的像素电极沿列方向依次连接，例如图3所示，从左至右，第1条数据线22逐行环绕其相邻的第1列像素电极P5和第2列像素电极P6，该数据线22在环绕第1行像素电极P5、P6时的开口方向为朝右、在环绕第2行像素电极P5、P6时的开口方向为朝左，其中第1行且第1列像素电极P5远离所述开口方向，该数据线22与第1行且第1列像素电极P5连接；第2行且第2列像素电极P6远离所述开口方向，且和其相邻的像素电极为第2行且第3列像素电极P7，则数据线22与第2行且第3列像素电极P7连接；第3行且第1列像素电极P5远离所述开口方向，该数据线22与第3行且第1列像素电极P5连接；第4行且第2列像素电极P6远离所述开口方向，且和其相邻的像素电极为第4行且第3列像素电极P7，则数据线22与第4行且第3列像素电极P7连接；沿所述列方向后续连接方式依此类推。
但是无论采用何种布局形状，本发明实施例都需要满足条件：每条数据线22逐行环绕相邻的至少一列像素电极，且每条数据线22在环绕每相邻两行像素电极时的开口方向相反，以此使得同一列的奇数行的像素电极连接同一条数据线22，同一列的偶数行的像素电极连接同一条数据线22，且奇数行和偶数行的像素电极分别连接不同的数据线22，例如图3所示，第4列的第1、3行的像素电极P8连接第4条数据线22，第4列的第2、4行的像素电极P8连接第2条数据线22。
在上述实施例中，每个像素电极与该像素电极所在的列方向上的相邻的数据线22连接，并具体通过阵列基板上的m*n个薄膜晶体管(Thin Film Transistor，TFT)T实现，其中每个薄膜晶体管T的栅极g连接相邻的栅极线21，每个薄膜晶体管T的源极s连接相邻的数据线22，每个薄膜晶体管T的漏极d连接相邻的像素电极。
由上述可知，本发明实施例通过对阵列基板的数据线22的布局和连接方式进行改进，无需改变现有技术中相邻两个像素电极之间的区域，即在不影响开口率的情况下，增大相邻两行像素电极之间的走线区域，对应地，增大彩膜基板(Color Filter，CF基板或彩色滤光片基板)上两个相邻色阻之间的区域，减小或消除通过掩膜板曝光制得色阻时出现的狭缝衍射现象，从而减小色阻在边角处出现的偏差，在画面显示时位于彩膜基板上相邻两个色阻之间的黑矩阵可以最大程度或全部遮挡来自阵列基板的像素电极的光，改善或消除漏光现象。
本发明还提供一种液晶显示装置，例如液晶显示面板、液晶显示器，包括具有上述像素结构的阵列基板。
在此基础上，以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，例如各实施例之间技术特征的相互结合，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (5)

1.一种阵列基板，包括栅极线、数据线和呈阵列排布的多个像素电极，其特征在于，所述多个像素电极分别允许红、绿、蓝、白四种颜色的光透过，
其中，每条所述数据线逐行环绕相邻两列所述像素电极，每条所述数据线分别与其环绕的两列所述像素电极中远离开口方向的一个所述像素电极连接，并在下一行与其环绕的两列所述像素电极中远离开口方向的一个所述像素电极未被所述数据线环绕的相邻的像素电极连接；
同一列所述像素电极允许相同颜色的光透过，相邻两行所述像素电极之间具有一条所述栅极线，且同一行所述像素电极连接同一条所述栅极线，且每条所述数据线在环绕相邻两行所述像素电极时的开口方向相反，同一列的奇数行的所述像素电极连接同一条所述数据线，同一列的偶数行的所述像素电极连接同一条所述数据线，且所述奇数行和所述偶数行的所述像素电极分别连接不同的所述数据线。
2.根据权利要求1所述的阵列基板，其特征在于，
所述多个像素电极在行方向上依次允许所述红色光、所述绿色光、所述蓝色光、所述白色光透过，并循环。
3.根据权利要求1所述的阵列基板，其特征在于，相邻两个所述像素电极沿行方向的尺寸之和等于每个所述像素电极沿列方向的尺寸。
4.根据权利要求1所述的阵列基板，其特征在于，所述阵列基板还包括多个TFT，每个所述TFT的栅极连接相邻的所述栅极线、源极连接相邻的所述数据线、漏极连接相邻的所述像素电极。
5.一种液晶显示装置，其特征在于，所述液晶显示装置包括权利要求1-4任意一项所述的阵列基板。
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