CN105158993B - 一种显示面板及显示装置 - Google Patents

一种显示面板及显示装置 Download PDF

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CN105158993B
CN105158993B CN201510519838.6A CN201510519838A CN105158993B CN 105158993 B CN105158993 B CN 105158993B CN 201510519838 A CN201510519838 A CN 201510519838A CN 105158993 B CN105158993 B CN 105158993B
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郭远辉
臧远生
刘智
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BOE Technology Group Co Ltd
Hefei BOE Optoelectronics Technology Co Ltd
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Hefei BOE Optoelectronics Technology Co Ltd
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    • 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
    • G02F1/1333Constructional 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
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    • 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
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    • 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
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1339Gaskets; Spacers; Sealing of cells
    • G02F1/13394Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
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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
    • 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
    • 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
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1343Electrodes
    • G02F1/134309Electrodes characterised by their geometrical arrangement
    • G02F1/134345Subdivided pixels, e.g. for grey scale or redundancy
    • 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
    • G02F2201/00Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/12Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/121Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode common or background
    • 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
    • G02F2201/00Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/12Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
    • G02F2201/123Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode pixel

Abstract

本发明提供一种显示面板及显示装置,属于显示技术领域,其可解决现有的隔垫物周围的子像素处切角增大,在显示图像时容易产生斜纹不良现象的问题。本发明的显示面板中,第一子像素的开口率小于第二子像素的开口率,第一子像素中的像素电极的面积大于第二子像素的像素电极的面积,从而在相同电压下使得第一子像素中产生的电场与第二子像素中产生的电场不同,使得第一子像素与第二子像素的透过率相同,进而有效避免产生斜纹。本发明的显示面板制备工艺简单,适用于各种显示装置,尤其适用于高分辨率的显示装置。

Description

一种显示面板及显示装置
技术领域
本发明属于显示技术领域,具体涉及一种显示面板及显示装置。
背景技术
液晶面板由阵列基板和彩膜基板构成,二者间设有隔垫物以控制盒厚。为了不影响显示,隔垫物通常设于黑矩阵处。
现有技术中至少存在如下问题:液晶显示面板的分辨率越来越高,像素越来越小,为了保证每个子像素较高的的开口率,黑矩阵的面积随分辨率的增加而逐渐变小。为了保证液晶盒的支撑力度,隔垫物的大小不能随分辨率的增加而减小。然而隔垫物通常设在黑矩阵处,黑矩阵的面积减小时,隔垫物与黑矩阵边缘间的距离减小,即与自像素开口区间的距离减小,从而造成隔垫物受压力时容易碰到开口区而造成划伤配向膜,导致漏光出现,影响画质。
目前主流产品都是通过在较大尺寸的隔垫物周围进行切角,来增加隔垫物距离开口区域的距离,但是隔垫物周围的子像素处切角增大,在显示图像时容易产生斜纹不良现象。
发明内容
本发明针对现有的隔垫物周围的子像素处切角增大,在显示图像时容易产生斜纹不良现象的问题,提供一种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:
一种显示面板,包括呈矩阵分布的多个子像素和至少位于部分子像素之间的隔垫物,所述多个子像素中分别设置有像素电极,其中,与所述隔垫物相邻的子像素为第一子像素,未与所述隔垫物相邻的子像素为第二子像素,所述隔垫物和所述第一子像素的像素电极在显示面板的投影具有重叠区域,所述第一子像素中的像素电极的面积大于第二子像素的像素电极的面积。
优选的,所述显示面板还包括:位于多个子像素的像素电极上与各子像素的像素电极相绝缘的公共电极,其中,与所述像素电极相对应的区域的公共电极为狭缝状电极;
所述第一子像素对应的狭缝状电极的宽度小于第二子像素对应的狭缝状电极的宽度;且,第一子像素对应的狭缝状电极之间的间隔大于第二子像素对应的狭缝状电极之间的间隔。
优选的,与每个隔垫物周围相邻有四个第一子像素,所述四个第一子像素之间的公共电极的宽度小于四个第二子像素之间的公共电极的宽度。
优选的,所述显示面板还包括多个与隔垫物对应设置的黑矩阵和与所述多个黑矩阵分别相对应区域的数据线;所述数据线与像素电极同层设置。
优选的,所述位于黑矩阵对应区域的公共电极与相邻两个第一子像素对应的狭缝状电极的距离相等。
优选的,所述各数据线的宽度相等。
优选的,所述第一子像素对应的狭缝状电极的宽度与第二子像素对应的狭缝状电极的宽度之差为0.1-0.5μm。
优选的,所述四个第一子像素之间的公共电极的宽度与所述四个第二子像素之间的公共电极的宽度之差为0.1-0.5μm。
本发明还提供一种显示装置,包括上述的显示面板。
本发明的显示面板中,第一子像素的开口率小于第二子像素的开口率,第一子像素中的像素电极的面积大于第二子像素的像素电极的面积,从而在相同电压下使得第一子像素中产生的电场与第二子像素中产生的电场不同,使得第一子像素与第二子像素的透过率相同,进而有效避免产生斜纹。本发明的显示面板制备工艺简单,适用于各种显示装置,尤其适用于高分辨率的显示装置。
附图说明
图1为本发明的实施例2的显示面板的像素俯视示意图;
图2为本发明的实施例2的显示面板的结构示意图;
其中,附图标记为:1、第一子像素;2、第二子像素;3、黑矩阵;4、像素电极;5、公共电极;6、数据线;71、第一基板;72、第二基板;8、隔垫物。
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:
本实施例提供一种显示面板,包括呈矩阵分布的多个子像素和至少位于部分子像素之间的隔垫物,所述多个子像素中分别设置有像素电极,其中,与所述隔垫物相邻的子像素为第一子像素,未与所述隔垫物相邻的子像素为第二子像素,所述隔垫物和所述第一子像素的像素电极在显示面板的投影具有重叠区域,所述第一子像素中的像素电极的面积大于第二子像素的像素电极的面积。
本实施例的显示面板中,第一子像素的开口率小于第二子像素的开口率,第一子像素中的像素电极的面积大于第二子像素的像素电极的面积,从而在相同电压下使得第一子像素中产生的电场与第二子像素中产生的电场不同,使得第一子像素与第二子像素的透过率相同,进而有效避免产生斜纹。本发明的显示面板制备工艺简单,适用于各种显示装置,尤其适用于高分辨率的显示装置。
实施例2:
如图1所示,本实施例提供一种显示面板,包括呈矩阵分布的多个子像素(如图1中的附图标记1和2所示的结构)和至少位于部分子像素之间的隔垫物8。
具体的,参见图2,显示面板包括第一基板71与第二基板72,多个子像素设置在第一基板71上,多个子像素中分别设置有像素电极4。其中,参见图1,与所述隔垫物8相邻的子像素为第一子像素1,未与所述隔垫物8相邻的子像素为第二子像素2,所述隔垫物和所述第一子像素1的像素电极4在显示面板的投影具有重叠区域,所述第一子像素1中的像素电极4的面积大于第二子像素2的像素电极4的面积。
需要说明的是,通常的各像素电极面积大小几乎相等,但是,相比较第二子像素2,靠近隔垫物的第一子像素1被隔垫物遮挡,光透过的面积就小于第二子像素2的光透过的面积。通过增加第一子像素1的像素电极的面积,使得第一子像素1和第二子像素2的光透过的面积S1和S2接近,也就是说,缩小了第一子像素1和第二子像素2的开口率差,从而有效避免显示时的斜纹不良。
在另一种实施方式中,在数据线不改变的前提下,可通过减小像素电极4与数据线6之间的距离d4,增加像素电极区域,实现增加像素电极的面积。比如,将像素电极向数据线的方向延伸,可增加像素电极的面积。
优选的,所述显示面板包括:位于多个子像素的像素电极4上与各子像素的像素电极4相绝缘的公共电极5,其中,与所述像素电极4相对应的区域的公共电极5为狭缝状电极;
所述第一子像素1对应的狭缝状电极的宽度小于第二子像素2对应的狭缝状电极的宽度;且,第一子像素1对应的狭缝状电极之间的间隔大于第二子像素2对应的狭缝状电极之间的间隔。
也就是说,如图2所示,减小第一子像素1对应的狭缝状电极的宽度d1以使其中间的ITO的暗区变小,使得狭缝状电极边缘处的电场增强,从而控制液晶的偏转方向以改变第一子像素1的透过率,使得第一子像素1的透过率与第二子像素2的透过率相同。其中,狭缝状电极的宽度d1和相邻的狭缝状电极的间距d2之和恒定,因此第一子像素1中减小狭缝状电极的宽度d1的同时,就会增加相邻的狭缝状电极的间距d2。
优选的,与每个隔垫物周围相邻有四个第一子像素1,所述四个第一子像素1之间的公共电极5的宽度d6小于四个第二子像素2之间的公共电极5的宽度。
也就是说,减小第一子像素1之间的公共电极5的宽度,以使其中间的ITO的暗区变小,使得公共电极5边缘处的电场增强,从而控制液晶的偏转方便以改变第一子像素1的透过率,使得第一子像素1的透过率与第二子像素2的透过率相同。如图2所示,减小第一子像素1之间的公共电极5的宽度就相当于减小其与该像素相邻的数据线6之间的距离d3。
优选的,所述显示面板还包括多个与隔垫物对应的黑矩阵3和与所述多个黑矩阵3分别相对应区域的数据线6;所述数据线6与像素电极4同层设置。
也就是说,如图2所示,通常隔垫物设于黑矩阵3和黑矩阵3下方对应的公共电极5之间,以控制盒厚,本实施例将数据线6与像素电极4设于同一层中,工艺简单。增大第一子像素1中的像素电极4的面积,相当于减小像素电极4与数据线6之间的距离d4。
优选的,所述位于黑矩阵3对应区域的公共电极5与相邻两个第一子像素1对应的狭缝状电极的距离d5相等。
优选的,所述各数据线6的宽度相等。
优选的,所述第一子像素1对应的狭缝状电极的宽度与第二子像素2对应的狭缝状电极的宽度之差为0.1-0.5μm。更优选的,所述第一子像素1对应的狭缝状电极的宽度与第二子像素2对应的狭缝状电极的宽度之差为0.2μm。
优选的,所述四个第一子像素1之间的公共电极5的宽度与所述四个第二子像素2之间的公共电极5的宽度之差为0.1-0.5μm。更优选的,所述四个第一子像素1之间的公共电极5的宽度与所述四个第二子像素2之间的公共电极5的宽度之差为0.4μm。
本实施例给出两个显示面板为5寸,分辨率为1280*720的具体例子:
1、第一个显示面板作为对比例不采用本实施例的方式,其大小为5寸,分辨率为1280*720;
第二子像素2中d1=3.0μm,d2=4.7μm,d3=2.6μm,d4=5.0μm,像素开口率为60%;
第一子像素1中d1=3.0μm,d2=4.7μm,d3=2.6μm,d4=5.0μm,但由于第一子像素1中与隔垫物相邻的角被黑矩阵3占据,导致其像素开口率为55%,小于第二子像素的开口率60%;第一子像素1与第二子像素2的透过率不同,该显示面板出现明显斜纹现象。
2、第二个显示面板为采用本实施例的具体实施方式,其大小为5寸,分辨率为1280*720;
第二子像素2中d1=3.0μm,d2=4.7μm,d3=2.6μm,d4=5.0μm,像素开口率为60%;
第一子像素1中d1=2.8μm,d2=4.9μm,d3=2.4μm,d4=4.7μm,但由于第一子像素1中与隔垫物相邻的角被黑矩阵3占据,导致其像素开口率为55%,小于第二子像素的开口率60%;通过软件模拟可得,第一子像素和第二子像素在L255状态下透过率完全相同,该显示面板完全没有斜纹现象。
显然,上述各实施例的具体实施方式还可进行许多变化;例如:显示面板尺寸进行改变时,公共电极或公共电极的宽度可以相应的改变,以使第一子像素开口率小于第二子像素开口率,而透过率相同。
实施例3:
本实施例提供了一种显示装置,其包括上述任意一种显示面板。所述显示装置可以为:液晶显示面板、电子纸、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。
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 (8)

1.一种显示面板,包括呈矩阵分布的多个子像素和至少位于部分子像素之间的隔垫物,所述多个子像素中分别设置有像素电极,其中,与所述隔垫物相邻的子像素为第一子像素,未与所述隔垫物相邻的子像素为第二子像素,所述隔垫物和所述第一子像素的像素电极在显示面板的投影具有重叠区域,其特征在于,所述第一子像素中的像素电极的面积大于第二子像素的像素电极的面积;
所述显示面板还包括:位于多个子像素的像素电极上与各子像素的像素电极相绝缘的公共电极,其中,与所述像素电极相对应的区域的公共电极为狭缝状电极;
所述第一子像素对应的狭缝状电极的宽度小于第二子像素对应的狭缝状电极的宽度;且,第一子像素对应的狭缝状电极之间的间隔大于第二子像素对应的狭缝状电极之间的间隔。
2.根据权利要求1所述的显示面板,其特征在于,与每个隔垫物周围相邻有四个第一子像素,所述四个第一子像素之间的公共电极的宽度小于四个第二子像素之间的公共电极的宽度。
3.根据权利要求2所述的显示面板,其特征在于,所述显示面板还包括多个与隔垫物对应设置的黑矩阵和与所述多个黑矩阵分别相对应区域的数据线;所述数据线与像素电极同层设置。
4.根据权利要求3所述的显示面板,其特征在于,位于黑矩阵对应区域的公共电极与相邻两个第一子像素对应的狭缝状电极的距离相等。
5.根据权利要求3所述的显示面板,其特征在于,所述各数据线的宽度相等。
6.根据权利要求1所述的显示面板,其特征在于,第一子像素对应的狭缝状电极的宽度与第二子像素对应的狭缝状电极的宽度之差在0.1-0.5μm范围内。
7.根据权利要求2所述的显示面板,其特征在于,所述四个第一子像素之间的公共电极的宽度与所述四个第二子像素之间的公共电极的宽度之差在0.1-0.5μm范围内。
8.一种显示装置,其特征在于,包括权利要求1-7任意一项所述的显示面板。
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