CN105093726A - 一种像素结构、显示面板及显示装置 - Google Patents

一种像素结构、显示面板及显示装置 Download PDF

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CN105093726A
CN105093726A CN201510614178.XA CN201510614178A CN105093726A CN 105093726 A CN105093726 A CN 105093726A CN 201510614178 A CN201510614178 A CN 201510614178A CN 105093726 A CN105093726 A CN 105093726A
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electrode
pixel
pixel cell
thin film
film transistor
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CN105093726B (zh
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武晓娟
陈会顺
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BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
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Beijing BOE Optoelectronics Technology Co Ltd
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Abstract

本发明涉及显示技术领域，公开了一种像素结构、显示面板及显示装置,该像素结构包括呈阵列分布的多个像素单元，每一个像素单元包括第一电极、第二电极以及薄膜晶体管，每相邻的两个条形电极之间形成一条缝隙，每一条缝隙朝向薄膜晶体管一侧的端部形成拐角；每一列中任意相邻的两个像素单元中，一个像素单元中的第二电极的结构与另一个像素单元中第二电极的结构沿行方向镜像对称，并且第二电极具有的缝隙的拐角方向朝向薄膜晶体管的像素单元的开口率大于另一个像素单元的开口率。该像素结构能够使沿列方向任意相邻的两个像素单元的整体液晶光效和透过率相同，以防止产生横纹。

Description

一种像素结构、显示面板及显示装置
技术领域
本发明涉及显示技术领域，特别涉及一种像素结构、显示面板及显示装置。
背景技术
随着科学技术的进步，液晶显示器在现代生活中有着越来越广泛的应用，如：手机显示屏、电脑显示屏、电视显示屏等。传统的单畴液晶显示器因对比度低、视角不对称、不同角度观看显示画面会出现色偏等缺点，已经不能满足人们对液晶显示器的要求。
现有的液晶显示器可通过双畴液晶显示技术来减轻侧视角色偏。现有的用于实现双畴液晶显示的像素结构中，沿像素单元列方向，每相邻的两个像素单元的开口率相同，由于设有缝隙的电极中，缝隙朝向薄膜晶体管的端部具有拐角的方向不同，即沿列方向相邻的两个像素单元中，具有缝隙的电极中，缝隙拐角处的单纯液晶的光效差异较大，导致两个像素单元因整体液晶光效及透过率差异大而产生横纹的问题。
发明内容
本发明提供了一种像素结构、显示面板及显示装置，该像素结构能够使沿列方向任意相邻的两个像素单元的整体液晶光效和透过率相同，以防止产生横纹。
为达到上述目的，本发明提供以下技术方案：
一种像素结构，包括呈阵列分布的多个像素单元，每一个所述像素单元包括第一电极、第二电极以及薄膜晶体管，所述第一电极具有板状结构，所述第二电极具有多个条形电极和连接所述各条形电极的连接电极，每相邻的两个条形电极之间形成一条缝隙，每一条所述缝隙朝向薄膜晶体管一侧的端部形成拐角；其中，所述多个像素单元中，每一列中任意相邻的两个像素单元中，一个像素单元中的第二电极的结构与另一个像素单元中第二电极的结构沿行方向镜像对称，并且第二电极具有的缝隙的拐角方向朝向薄膜晶体管的像素单元的开口率大于另一个像素单元的开口率。
上述像素结构的多个像素单元中，每一列中任意相邻的两个像素单元中，一个像素单元中的第二电极的结构与另一个像素单元中第二电极的结构沿行方向镜像对称，并且第二电极具有的缝隙的拐角方向朝向薄膜晶体管的像素单元的开口率大于另一个像素单元的开口率，即另一个像素单元中第二电极具有的缝隙的拐角方向背向薄膜晶体管。通过上述像素结构可知，在每一列中任意相邻的两个像素单元中，第二电极具有的缝隙的拐角方向朝向薄膜晶体管的像素单元的开口率较大，而另一个像素单元的开口率较小；并且，当一个像素的第二电极具有的缝隙的拐角方向朝向薄膜晶体管时，第二电极的缝隙的拐角处的单纯液晶光效较小，而当另一个像素的第二电极具有的缝隙的拐角方向背离薄膜晶体管时，第二电极的缝隙的拐角处的单纯液晶光效较大。
为了防止横纹的产生，需使像素结构中沿列方向任意相邻的两个像素单元的整体液晶光效相同，由于像素整体液晶光效为单纯液晶光效和像素开口率的乘积，所以，在每个像素的单纯液晶光效已知的前提下，即，第二电极具有的缝隙的拐角方向朝向薄膜晶体管的像素单元的单纯液晶光效较小，而第二电极具有的缝隙的拐角方向背离薄膜晶体管的像素单元的单纯液晶光效较大的同时，将第二电极具有的缝隙的拐角方向朝向薄膜晶体管的像素单元的开口率设置成大于另一个像素单元的开口率，可实现整体液晶光效的平衡，使每个像素单元的光效相同，因此可防止产生横纹。
优选地，每一个所述像素单元中，所述第一电极为公共电极，第二电极为像素电极。
优选地，每一个所述像素单元中，所述第一电极为像素电极，第二电极为公共电极。
优选地，每一行中的像素单元的第二电极的结构相同，且每一行中的像素单元的第一电极的结构相同。
本发明还提供了一种显示面板，包括上述技术方案提供的任意一种像素结构。
优选地，显示面板包括阵列基板和对向基板，其中：
所述对向基板设有黑矩阵层，以通过所述黑矩阵层设有的开口控制所述像素结构内各像素单元的开口率；或者，
所述阵列基板设有黑矩阵层，以通过所述黑矩阵层设有的开口控制所述像素结构内各像素单元的开口率。
另外，本发明还提供了一种显示装置，包括上述技术方案提供的任意一种显示面板。
附图说明
图1为本发明一种实施例提供的像素结构示意图；
图2为图1中的上部像素单元的液晶光效模拟图；
图3为图1中的下部像素单元的液晶光效模拟图。
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，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明实施例提供了一种像素结构、显示面板及显示装置，像素结构包括呈阵列分布的多个像素单元，每一个像素单元包括第一电极、第二电极以及薄膜晶体管；多个像素单元中，每一列中的任意相邻的两个像素单元中，第二电极具有的缝隙的拐角方向朝向薄膜晶体管的像素单元的开口率大于第二电极具有的缝隙的拐角方向背向薄膜晶体管的像素单元的开口率。像素结构能够使沿列方向任意相邻的两个像素单元的整体液晶光效和透过率相同，以防止产生横纹。
其中，请参考图1、图2和图3，本发明一种实施例提供的像素结构，该像素结构包括呈阵列分布的多个像素单元，如图1中所示的第一像素单元1和第二像素单元2，每个像素单元包括第一电极、第二电极以及薄膜晶体管，以图1中的第一像素单元1为例，第一像素单元1包括第一电极11、第二电极12和薄膜晶体管13；第一电极11具有板状结构，第二电极12具有多个条形电极和连接各条形电极的连接电极，每相邻的两个条形电极之间形成一条缝隙121，每一条缝隙121朝向薄膜晶体管13一侧的端部形成拐角；如图1结构所示，在每一列中任意相邻的第一像素单元1和第二像素单元2中，第一像素单元1中的第二电极12的结构与第二像素单元2中第二电极22的结构沿行方向镜像对称，第二像素单元2的第二电极22具有的缝隙221的拐角方向朝向薄膜晶体管23，第一像素单元1的第二电极12具有的缝隙121的拐角方向背离薄膜晶体管13，且第二像素单元2的开口率大于第一像素单元1的开口率。
如图1所示，上述像素结构的多个像素单元中，每一列中任意相邻的第一像素单元1和第二像素单元2，第一像素单元1中的第二电极12的结构与第二像素单元2中第二电极22的结构沿行方向镜像对称，并且第二电极22具有的缝隙221的拐角方向朝向薄膜晶体管23的第二像素单元2的开口率大于第一像素单元1的开口率。通过上述像素结构可知，在每一列中任意相邻的两个像素单元中，第二电极22具有的缝隙221的拐角方向朝向薄膜晶体管23的第二像素单元2的开口率较大，而第一像素单元1的开口率较小；并且，当第二像素单元2的第二电极22具有的缝隙221的拐角方向朝向薄膜晶体管23时，第二电极22的缝隙221的拐角处的单纯液晶光效较小，而当第一像素单元1的第二电极12具有的缝隙121的拐角方向背离薄膜晶体管13时，第二电极12的缝隙121的拐角处的单纯液晶光效较大。
为了防止横纹的产生，需使像素结构中沿列方向任意相邻的两个像素单元的整体液晶光效相同，由于像素整体液晶光效为单纯液晶光效和像素开口率的乘积，所以，在每个像素单元的单纯液晶光效已知的前提下，即，第二电极22具有的缝隙221的拐角方向朝向薄膜晶体管23的第二像素单元2的单纯液晶光效较小，而第二电极12具有的缝隙121的拐角方向背离薄膜晶体管13的第一像素单元1的单纯液晶光效较大的同时，将第二电极22具有的缝隙221的拐角方向朝向薄膜晶体管23的第二像素单元2的开口率设置成大于第一像素单元1的开口率，可实现整体液晶光效的平衡，使每个像素单元的光效相同，因此可防止产生横纹。
在一种具体的实施例中，上述像素结构中各像素单元的开口率是通过如下方式实现的，如图1所示，像素结构的黑矩阵层14在第一像素单元1中设有第一开口141，并在第二像素单元2中设有第二开口142；沿像素单元的行方向，第一开口141的尺寸和第二开口142的尺寸相同，而沿像素单元的列方向，第一开口141的尺寸a小于第二开口142的尺寸b，因此，黑矩阵层14在第一像素单元1中的开口面积小于黑矩阵层14在第二像素单元2中的开口面积，即，第一像素单元1的开口率小于第二像素单元2的开口率。
上述像素结构中两个像素单元的单纯液晶光效模拟图见图2和图3，第一像素单元1的单纯液晶光效如图2所示，第二像素单元2的单纯液晶光效如图3所示。通过图2和图3可知：第一像素单元1的暗区C面积比第二像素单元2的暗区D面积小，因此，为保证两个像素单元的整体液晶光效相同，需增大第二像素单元2的开口率，以使两个像素单元的单纯液晶光效和开口率的乘积相等。
具体地，每一个像素单元中，第一电极可为公共电极，第二电极可为像素电极。以图1中第一像素单元1为例，第一电极11可为公共电极，第二电极12可为像素电极。
具体地，每一个像素单元中，第一电极可为像素电极，第二电极可为公共电极。以图1中第一像素单元1为例，第一电极11可为像素电极，第二电极12可为公共电极。
更进一步地，每一行中的像素单元的第二电极的结构相同，且每一行中的像素单元的第一电极的结构相同。
本发明实施例还提供了一种显示面板，如图1所示，该显示面板包括上述实施例提供的任意一种像素结构。
一种优选地实施方式，显示面板包括阵列基板和对向基板，其中：
对向基板设有黑矩阵层14，以通过黑矩阵层14设有的开口控制像素结构内各像素单元的开口率；或者，
阵列基板设有黑矩阵层14，以通过黑矩阵层设有的开口控制像素结构内各像素单元的开口率。
下面以采用黑矩阵层14的显示面板为例，对向基板或阵列基板设有黑矩阵层14，黑矩阵层14在各像素单元中均设有开口，如图1所示，黑矩阵层14在第一像素单元1中设有第一开口141，黑矩阵层14在第二像素单元2中设有第二开口142，并且，沿像素单元的行方向，第一开口141的尺寸和第二开口142的尺寸相同，而沿像素单元的列方向，第一开口141的尺寸a小于第二开口142的尺寸b，因此，黑矩阵层14在第一像素单元1中的开口面积小于黑矩阵层14在第二像素单元2中的开口面积，即，第一像素单元1的开口率小于第二像素单元2的开口率，因此，可以通过黑矩阵层14设有的第一开口141控制第一像素单元1的开口率，并且可以通过黑矩阵层14设有的第二开口142控制第二像素单元2的开口率。
另外，本发明实施例还提供了一种显示装置，该显示装置包括上述实施例提供的任意一种显示面板，显示装置可为液晶显示器。
显然，本领域的技术人员可以对本发明实施例进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (7)

1.一种像素结构，包括呈阵列分布的多个像素单元，每一个所述像素单元包括第一电极、第二电极以及薄膜晶体管，所述第一电极具有板状结构，所述第二电极具有多个条形电极和连接所述各条形电极的连接电极，每相邻的两个条形电极之间形成一条缝隙，每一条所述缝隙朝向薄膜晶体管一侧的端部形成拐角；其中，所述多个像素单元中，每一列中任意相邻的两个像素单元中，一个像素单元中的第二电极的结构与另一个像素单元中第二电极的结构沿行方向镜像对称，其特征在于，每一列中的任意相邻的两个像素单元中，第二电极具有的缝隙的拐角方向朝向薄膜晶体管的像素单元的开口率大于另一个像素单元的开口率。
2.根据权利要求1所述的像素结构，其特征在于，每一个所述像素单元中，所述第一电极为公共电极，第二电极为像素电极。
3.根据权利要求1所述的像素结构，其特征在于，每一个所述像素单元中，所述第一电极为像素电极，第二电极为公共电极。
4.根据权利要求1-3任一项所述的像素结构，其特征在于，每一行中的像素单元的第二电极的结构相同，且每一行中的像素单元的第一电极的结构相同。
5.一种显示面板，其特征在于，包括如权利要求1-4任一项所述的像素结构。
6.根据权利要求5所述的显示面板，其特征在于，所述显示面板包括阵列基板和对向基板，其中：
所述对向基板设有黑矩阵层，以通过所述黑矩阵层设有的开口控制所述像素结构内各像素单元的开口率；或者，
所述阵列基板设有黑矩阵层，以通过所述黑矩阵层设有的开口控制所述像素结构内各像素单元的开口率。
7.一种显示装置，其特征在于，包括如权利要求5或6所述的显示面板。
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