CN105045013A - 像素阵列、显示面板及显示装置 - Google Patents

像素阵列、显示面板及显示装置 Download PDF

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CN105045013A
CN105045013A CN201510587540.9A CN201510587540A CN105045013A CN 105045013 A CN105045013 A CN 105045013A CN 201510587540 A CN201510587540 A CN 201510587540A CN 105045013 A CN105045013 A CN 105045013A
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shaped electric
strip shaped
electric poles
film transistor
tft
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武晓娟
马力
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BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
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BOE Technology Group Co Ltd
Beijing BOE Optoelectronics Technology Co Ltd
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Priority to US15/081,346 priority patent/US9806101B2/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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    • H01L27/02Devices 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 potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/12Devices 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 potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
    • H01L27/1214Devices 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 potential barriers; including integrated passive circuit elements having potential barriers 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
    • H01L27/124Devices 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 potential barriers; including integrated passive circuit elements having potential barriers 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
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    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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    • G02FOPTICAL 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
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    • G02FOPTICAL 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
    • G02F1/00Devices 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
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    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1343Electrodes
    • G02F1/13439Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/136209Light shielding layers, e.g. black matrix, incorporated in the active matrix substrate, e.g. structurally associated with the switching element
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/136286Wiring, e.g. gate line, drain line
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    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
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    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/1368Active matrix addressed cells in which the switching element is a three-electrode device
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    • G02OPTICS
    • G02FOPTICAL 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
    • G02F2201/00Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
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Abstract

本发明提供一种像素阵列、显示面板及显示装置,属于显示技术领域,本发明的像素阵列,包括交叉且绝缘设置的多条栅线和条数据线,以及多条所述栅线和多条所述数据线交叉位置处限定出的多个像素单元;每个所述像素单元均包括薄膜晶体管和条状电极;其中,位于同一列中的两相邻的所述像素单元中的条状电极的倾斜方向不同,每个所述像素单元中的所述薄膜晶体管均位于其中的条状电极的倾斜方向的相反方向。本发明的像素阵列中位于同一列的像素单元的液晶光效相同,开口率相同,从而避免横纹等不良的发生。

Description

像素阵列、显示面板及显示装置
技术领域
本发明属于显示技术领域,具体涉及一种像素阵列、显示面板及显示装置。
背景技术
随着科学技术的进步,传统的单畴液晶显示器由于对比度低、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。可以使用带补偿的全视角偏光片减轻单畴液晶显示器的色偏问题。
目前设计中,在液晶显示器中使用2P2D像素结构设计,即双畴液晶显示,可以减轻色偏。但目前2P2D像素设计中,由于上下像素的液晶光效不同,会产生横纹等不良。具体的,图1和图2分别为一般2P2D像素阵列中的上下两个像素单元的结构示意图,其中1-上像素单元的数据线,2-上像素单元的栅线,3-上像素的漏极,4-上像素单元的源极,5-上像素单元的栅极,6-上像素单元的像素电极,7-上像素单元的条状电极,8-上像素单元的黑矩阵,9-下像素单元的数据线,10-下面像素的栅线,11-下像素单元的漏极,12-下像素单元的源极,13-下像素单元的栅极,14-下像素单元的像素电极,15-下像素单元的条状电极,16-下像素单元的黑矩阵。一般的2P2D像素阵列中的上下像素单元的开口率相同,且薄膜晶体管的位置相同,但条状电极倾斜方向不同,这样起到相互补偿的作用,可以改善侧视角色偏问题,即一个像素单元中的条状电极7的倾斜方向与薄膜晶体管位置相反(也就是该薄膜晶体管均位于像素中的条状电极7的倾斜方向的相反方向),如图1所示;另一个像素条状电极15的倾斜方向与薄膜晶体管位置相同(也就是该薄膜晶体管均位于像素中的条状电极15的倾斜方向的相同方向),如图2所示。当条状电极(也就是条状电极7)的倾斜方向和薄膜晶体管所在位置相反时,条状电极较易延伸到黑矩阵中,条状电极边缘处的单纯液晶光效较大,暗区较小;当条状电极(也就是条状电极15)的倾斜方向和薄膜晶体管所在位置相同时,条状电极较难延伸到黑矩阵中,条状电极边缘处的单纯液晶光效较小,暗区较大。由于上下像素的开口率相同,而单纯液晶光效不同,这样上下像素的整体液晶光效不同,因此容易导致横纹等不良的发生。
发明内容
本发明所要解决的技术问题包括,针对现有的像素阵列存在的上述问题,提供一种显示效果较优的像素阵列、显示面板及显示装置。
解决本发明技术问题所采用的技术方案是一种像素阵列,包括交叉且绝缘设置的多条栅线和条数据线,以及多条所述栅线和多条所述数据线交叉位置处限定出的多个像素单元;每个所述像素单元均包括薄膜晶体管和条状电极;其中,位于同一列中的两相邻的所述像素单元中的条状电极的倾斜方向不同,每个所述像素单元中的所述薄膜晶体管均位于其中的条状电极的倾斜方向的相反方向。
优选的是,每个所述条状电极的靠近所述薄膜晶体管的一端具有背离所述薄膜晶体管所在方向的拐角,另一端具有靠近薄膜晶体管所在方向拐角。
优选的是,位于同一列中的两相邻的所述像素单元中的条状电极的倾斜方向沿数据线所在方向对称。
优选的是,位于同一列的列中的两相邻的所述像素单元的薄膜晶体管的源极连接不同的数据线。
优选的是,位于同一行的所述像素单元中的条状电极的倾斜方向相同。
优选的是,每个所述像素单元还包括位于条状电极所在层下方的板状电极。
进一步优选的是,所述条状电极和所述板状电极中的一者为像素电极,另一者为公共电极。
优选的是,在所述栅线、数据线,以及薄膜晶体管所在层上方还设置有黑矩阵。
解决本发明技术问题所采用的技术方案是一种显示面板,其包括上述的像素阵列。
解决本发明技术问题所采用的技术方案是一种显示装置,其包括上述的显示面板。
本发明具有如下有益效果:
由于本发明的像素阵列中的每个所述像素单元中的所述薄膜晶体管均位于其中的条状电极的倾斜方向的相反方向,故条状电极的两个端均向黑矩阵所在区域内延伸的,即条状电极两端延伸至黑矩阵中,条状电极延伸至黑矩阵中,且这两个像素单元的光效基本相同,同时两像素单元的开口率相同,因此可以避免横纹等不良的发生。
附图说明
图1为现有的像素阵列中上像素单元的示意图;
图2为现有的像素阵列中下像素单元的示意图;
图3为本发明的实施例1的像素阵列的位于同一列的两相邻像素单元的示意图。
具体实施方式
为使本领域技术人员更好地理解本发明的技术方案,下面结合附图和具体实施方式对本发明作进一步详细描述。
实施例1:
本实施例提供一种像素阵列,包括交叉且绝缘设置的多条栅线和条数据线,以及多条所述栅线和多条所述数据线交叉位置处限定出的多个像素单元;每个所述像素单元均包括薄膜晶体管和条状电极;其中,位于同一列中的两相邻的所述像素单元中的条状电极的倾斜方向不同,每个像素单元中的所述薄膜晶体管均位于其中的条状电极的倾斜方向的相反方向。
本领域技术人员公知的是,每个像素单元中的薄膜晶体管是设置在栅线与数据线交叉的位置的,以像素单元的形状为平行四边形为例,薄膜晶体管则位于该平行四边形中的一个顶角位置,其中,薄膜晶体管的栅极与栅线连接,源极与数据线连接,漏极则是与像素电极连接的。在本实施例中每个像素单元中的所述薄膜晶体管均位于其中的条状电极的倾斜方向的相反方向,则是指条状电极的倾斜方向的延长线与栅线的夹角为锐角的一侧的平行四边形的顶角位置,在每一个像素单元中存在两个这样的位置,这两个位置为平行四边形的两个对角,薄膜晶体管设置在其中之一的位置即可。
具体的,如图3所示,该两个像素单元为位于同一列的两相邻像素单元,其中,图中位于上方的像素单元的条状电极7的倾斜方向为从像素单元的右上方到左下方倾斜,此时该像素单元中的薄膜晶体管(其中薄膜晶体管的源极4连接数据线1,漏极3连接像素电极6,栅极5连接栅线2)则位于该像素单元的右下角(或者左上角),图中位于下方的像素单元中的条状电极15的倾斜方向为从像素单元的左上方到右下方倾斜,此时该像素单元中的薄膜晶体管(其中薄膜晶体管的源极12连接数据线9,漏极11连接像素电极14,栅极13连接栅线10)则位于该像素单元的左下角(或者右上角)。本领域技术人员可以理解的是,黑矩阵8、16是位于栅线、数据线薄膜晶体管等元件上方的,用于挡光,根据图3两个的像素单元的结构可以看出,此时条状电极的两个端均向黑矩阵所在区域内延伸的,即条状电极7两端延伸至黑矩阵8中,条状电极15延伸至黑矩阵16中,且这两个像素单元的光效基本相同,同时两像素单元的开口率相同,因此可以避免横纹等不良的发生。
优选的,每个所述条状电极的靠近所述薄膜晶体管的一端具有背离所述薄膜晶体管所在方向的拐角,另一端具有靠近薄膜晶体管所在方向拐角。具体的,以图3位于上方的像素单元中的条状电极7为例,其中条状电极7远离薄膜晶体管的一端具有向像素单元右上角方向弯折的拐角;而在条状电极的另一端具有向像素单元左下角方向的弯折的拐角,该种设置方式是为了充分利用像素单元中的位置,以实现开口率最大化。
在此需要说明的是,本实施例中所指的条状电极7的倾斜方向是指,除条状电极7拐角外的条状电极主体部分的倾斜方向。
优选的,在本实施例中位于同一列中的两相邻的所述像素单元中的条状电极7和条状电极15的倾斜方向沿栅线1、10所在方向对称,从而有利于获得最佳的显示效果。但实际上,只要保证两者的且斜方向不同即可,而不需要严格对称。
优选的,在本实施例中位于同一列的列中的两相邻的所述像素单元的薄膜晶体管的源极连接不同的数据线。从图3中可以看出,其中位于上方的像素单元中的薄膜晶体管的源极4是与位于该薄膜晶体管右侧的数据线1连接的,而图位于下方的像素单元中的薄膜晶体管的源极12是与位于该薄膜晶体管左侧的数据线9连接的。通过这种设置方式,可以使得薄膜晶体管均匀的设置在像素阵列中,以使显示效果更加均一。
优选的,本实施例中位于同一行的所述像素单元中的条状电极7、15的倾斜方向相同。该种设置方式方便像素阵列的制备,但是应当理解的是,只要位于同一列的两相邻像素单元的的倾斜方向不同即可。
其中,每个像素单元还包括位于条状电极下方的板状电极,当然在这两者之间还设置有绝缘层。所述条状电极和所述板状电极中的一者为像素电极,另一者为公共电极。在本实施例中的图中板状电极为像素电极,条状电极则是像素电极。
实施例2:
本实施例提供一种显示面板和显示装置,其中显示面板包括实施例1中的像素阵列。
由于本实施例中显示面板包括上述的像素阵列,故其显示效果较佳。
本实施例的显示装置可以为:手机、平板电脑、电视机、显示器、笔记本电脑、数码相框、导航仪等任何具有显示功能的产品或部件。
当然,本实施例的显示装置中还可以包括其他常规结构,如背光源、电源单元、显示驱动单元等。
可以理解的是,以上实施方式仅仅是为了说明本发明的原理而采用的示例性实施方式,然而本发明并不局限于此。对于本领域内的普通技术人员而言,在不脱离本发明的精神和实质的情况下,可以做出各种变型和改进,这些变型和改进也视为本发明的保护范围。

Claims (10)

1.一种像素阵列,包括交叉且绝缘设置的多条栅线和条数据线,以及多条所述栅线和多条所述数据线交叉位置处限定出的多个像素单元;每个所述像素单元均包括薄膜晶体管和条状电极;其中,位于同一列中的两相邻的所述像素单元中的条状电极的倾斜方向不同,其特征在于,每个所述像素单元中的所述薄膜晶体管均位于其中的条状电极的倾斜方向的相反方向。
2.根据权利要求1所述的像素阵列,其特征在于,每个所述条状电极的靠近所述薄膜晶体管的一端具有背离所述薄膜晶体管所在方向的拐角,另一端具有靠近薄膜晶体管所在方向拐角。
3.根据权利要求1所述的像素阵列,其特征在于,位于同一列中的两相邻的所述像素单元中的条状电极的倾斜方向沿数据线所在方向对称。
4.根据权利要求1所述的像素阵列,其特征在于,位于同一列的列中的两相邻的所述像素单元的薄膜晶体管的源极连接不同的数据线。
5.根据权利要求1所述的像素阵列,其特征在于,位于同一行的所述像素单元中的条状电极的倾斜方向相同。
6.根据权利要求1-5中任一项所述的像素阵列,其特征在于,每个所述像素单元还包括位于条状电极所在层下方的板状电极。
7.根据权利要求6所述的像素阵列,其特征在于,所述条状电极和所述板状电极中的一者为像素电极,另一者为公共电极。
8.根据权利要求1所述的像素阵列,其特征在于,在所述栅线、数据线,以及薄膜晶体管所在层上方还设置有黑矩阵。
9.一种显示面板,其特征在于,所述显示面板包括权利要求1-8中任一项所述的像素阵列。
10.一种显示装置,其特征在于,所述显示装置包括权利要求9所述的显示面板。
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