CN205899210U - 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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CN205899210U
CN205899210U CN201620537208.1U CN201620537208U CN205899210U CN 205899210 U CN205899210 U CN 205899210U CN 201620537208 U CN201620537208 U CN 201620537208U CN 205899210 U CN205899210 U CN 205899210U
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substrate
pixel electrode
liquid crystal
display floater
layer
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程鸿飞
先建波
郝学光
张玉欣
胡勇
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BOE Technology Group Co Ltd
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Priority to US15/545,291 priority patent/US10509272B2/en
Priority to PCT/CN2017/072183 priority patent/WO2017206532A1/zh
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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
    • G02F1/134309Electrodes characterised by their geometrical arrangement
    • G02F1/134363Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
    • 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
    • G02F1/1337Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • 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
    • G02F1/1337Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133707Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes
    • 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
    • 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
    • G02F1/134318Electrodes characterised by their geometrical arrangement having a patterned common electrode
    • 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
    • G02F1/134381Hybrid switching mode, i.e. for applying an electric field with components parallel and orthogonal to the substrates
    • 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

本实用新型实施例涉及一种显示面板和显示装置,其中该显示面板包括第一基板、第二基板和第一基板与第二基板之间的液晶层;第一基板与第二基板相对设置;所述第一基板包括像素电极;所述第二基板包括公共电极;所述公共电极上设置有缺口。本实用新型实施例通过公共电极上设置缺口,加电时,可以控制像素区液晶的分子的排列方向,可以增加光透过率和提高亮度均匀度。

Description

一种显示面板及显示装置
技术领域
本实用新型实施例涉及液晶显示装置技术领域,具体涉及一种显示面板及显示装置。
背景技术
薄膜晶体管液晶显示装置(Thin Film Transistor Liquid Crystal Display,简称TFT-LCD)具有体积小、功耗低、无辐射、制造成本相对较低等特点,在当前的平板显示装置市场占据了主导地位。例如液晶电视、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等。
通常液晶显示装置包括壳体、设于壳体内的液晶显示面板及设于壳体内的背光模组(Backlight module)。其中,TFT-LCD的核心部件液晶显示面板主要是由一薄膜晶体管阵列基板(Thin Film Transistor Array Substrate,TFT Array Substrate)、一彩膜基板(Color Filter,CF)对盒以及一配置于两基板间的液晶层(Liquid Crystal Layer)所构成。对盒工艺是为防止阵列基板和彩膜基板之间的液晶流出,在阵列基板和彩膜基板的四周边缘处涂覆封框胶,从而形成液晶盒。在阵列基板和彩膜基板填充液晶,通过电场控制液晶偏转以控制光线的强弱,配合彩膜基板的功能显示出所要表达的图像。
垂直排列模式的液晶屏在液晶电视中得到了广泛的应用,电视中使用垂直排列模式的液晶屏的像素电极结构复杂,不适用于小尺寸、高分辨率的应用。电视中的液晶屏的像素结构一般采用多畴设计,增加视角,但也降低了透过率。
实用新型内容
针对现有技术中的缺陷,本实用新型实施例提供一种显示面板和显示装置可以有效提高面板的透过率和亮度均匀度。
第一方面,本实用新型实施例提供了一种显示面板,包括第一基板、第二基板和第一基板与第二基板之间的液晶层;
第一基板与第二基板相对设置;
所述第一基板包括像素电极;
所述第二基板包括公共电极;
所述公共电极上设置有缺口。
可选地,所述像素电极的短边的长度大于所述像素电极的长边的长度的1/4且小于所述像素电极的长边的长度的1/2。
可选地,所述缺口的形状为圆形。
可选地,所述缺口的直径大于所述像素电极的短边的长度的2/3且小于所述像素电极短边的长度。
可选地,所述缺口的中心与所述像素电极的中心对应设置。
可选地,所述第一基板上还设置有第一取向层;
所述第一取向层覆盖所述像素电极。
可选地,所述第一取向层为垂直取向层。
可选地,所述第二基板上还设置有第二取向层;
所述第二取向层覆盖所述公共电极和所述缺口。
可选地,所述第二取向层为垂直取向层。
可选地,所述像素电极的外侧设置有凸起物。
可选地,所述凸起物高度为2-5微米。
可选地,所述凸起物对应设置在所述像素电极的每个顶角的外侧。
可选地,所述液晶层是负介电各向异性液晶层。
可选地,所述液晶层是掺杂有手性剂的液晶层。
第二方面,本实用新型实施例还提供了一种显示装置,包括上述的显示面板。
由上述技术方案可知,本实用新型实施例实施例提供的显示面板和显示装置通过公共电极上设置缺口,加电时,可以控制像素区液晶的分子的排列方向,可以增加光透过率和提高亮度均匀度。
附图说明
为了更清楚地说明本实用新型实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作一简单的介绍,显而易见地,下面描述中的附图是本实用新型的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为本实用新型一个实施例中一种显示面板结构剖面示意图;
图2为本实用新型一个实施例中一种显示面板平面结构示意图;
图3为本实用新型一个实施例中一种显示面板结构剖面示意图;
图4为本实用新型一个实施例中一种显示面板平面结构示意图;
图5为图4所示实施例中一种显示面板结构A-A方向剖面示意图。
具体实施方式
为使本实用新型实施例的目的、技术方案和优点更加清楚,下面将结合本实用新型实施例中的附图,对本实用新型实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本实用新型一部分实施例,而不是全部的实施例。基于本实用新型中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本实用新型保护的范围。应当可以理解,本发明提实施例提供的附图仅仅是示意性说明,不代表真实的比例关系。
如图1所示,本实用新型提供一种显示面板,包括第一基板1、第二基板2和第一基板1与第二基板2之间的液晶层3;第一基板1与第二基板2相对设置;第一基板1包括像素电极11;第二基板2包括公共电极21;公共电极上21设置有缺口210。下面对本实用新型实施例提供的显示面板展开详细的说明。
如图2所示,在本实用新型实施例中,通过在公共电极21上设置缺口210,加电时,可以控制像素区液晶的分子的排列方向,提高了显示面板的透过率和亮度均匀性。在本实用新型实施例中,为了提高每个像素单元的液晶排列的稳定性,将该缺口210的形状设置成圆形。为了进一步保证公共电极21上设置的缺口使像素单元的所在区域的液晶分子的排列都产生一致的影响,该缺口的直径大于像素电极的短边的长度的2/3,缺口的直径小于像素电极短边的长度。为进一步保证每个像素单元的液晶排列的均匀性,缺口210的中心与像素电极21的中心对应设置。在本实用新型实施例中,像素电极的短边的长度大于像素电极的长边的长度的1/4且小于像素电极的长边的长度的1/2。
如图3所示,第一基板1上还设置有第一取向层12;第一取向层12覆盖像素电极11。第一取向层12优选为垂直取向层。第二基板2上还设置有第二取向层22;第二取向层22覆盖公共电极21和缺口210。第二取向层22为垂直取向层。
如图4、图5所示,在本实用新型的一个实施例中,像素电极的外侧设置有凸起物4。凸起物4起支撑第一基板1与第二基板2的作用,凸起物4高度优选为2-5微米。凸起物4对应设置在像素电极11的每个顶角的外侧。在本实用新型的一个实施例中液晶层是负介电各向异性液晶层或掺杂有手性剂的负介电各向异性液晶层。
本实用新型的一个实施例中,液晶为负各向异性液晶,在像素电极11和公共电极21之间没有加电时,液晶分子垂直于第一基板1和第二基板2排列,在像素电极11和公共电极21之间加电时,由于公共电极21上存在圆形缺口,像素电极11和公共电极21之间的电场存在平行于第一基板1和第二基板2的水平分量,负性液晶分子从垂直排列状态向水平排列状态转换时,可以一致地转换而且不会产生位错。
图5中省略了第一取向层12和第二取向层22。凸起物4设置在第一取向层上。本实用新型实施例中,凸其物4对应设置在像素电极11的每个顶角的外侧,可以降低凸起物4对像素单元的所在区域的液晶排列的影响,进一步增加透过率和提高亮度均匀性。
本实用新型实施例还提供一种显示装置,显示装置包括上述任意一种实施例的显示面板,显示装置可以为:液晶面板、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。通过采用上述显示面板,本实用新型实施例的显示装置通过在公共电极上设置缺口,加电时,可以控制像素区液晶的分子的排列方向,可以增加光透过率和提高亮度均匀性。
综上所述,本实用新型实施例提供的显示面板和显示装置,通过公共电极上设置缺口,加电时,可以控制像素区液晶的分子的排列方向,可以增加光透过率和提高亮度均匀性。
最后应说明的是:以上各实施例仅用以说明本实用新型的技术方案,而非对其限制;尽管参照前述各实施例对本实用新型进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分或者全部技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本实用新型各实施例技术方案的范围,其均应涵盖在本实用新型的权利要求和说明书的范围当中。

Claims (14)

1.一种显示面板,其特征在于,包括第一基板、第二基板和第一基板与第二基板之间的液晶层;
第一基板与第二基板相对设置;
所述第一基板包括像素电极,所述像素电极的外侧设置有凸起物;
所述第二基板包括公共电极;
所述公共电极上设置有缺口。
2.根据权利要求1所述的显示面板,其特征在于,所述像素电极的短边的长度大于所述像素电极的长边的长度的1/4且小于所述像素电极的长边的长度的1/2。
3.根据权利要求1所述的显示面板,其特征在于,所述缺口的形状为圆形。
4.根据权利要求3所述的显示面板,其特征在于,所述缺口的直径大于所述像素电极的短边的长度的2/3且小于所述像素电极短边的长度。
5.根据权利要求3所述的显示面板,其特征在于,所述缺口的中心与所述像素电极的中心对应设置。
6.根据权利要求1所述的显示面板,其特征在于,所述第一基板上还设置有第一取向层;
所述第一取向层覆盖所述像素电极。
7.根据权利要求6所述的显示面板,其特征在于,所述第一取向层为垂直取向层。
8.根据权利要求1所述的显示面板,其特征在于,所述第二基板上还设置有第二取向层;
所述第二取向层覆盖所述公共电极和所述缺口。
9.根据权利要求8所述的显示面板,其特征在于,所述第二取向层为垂直取向层。
10.根据权利要求1所述的显示面板,其特征在于,所述凸起物高度为2-5微米。
11.根据权利要求1所述的显示面板,其特征在于,所述凸起物对应设置在所述像素电极的每个顶角的外侧。
12.根据权利要求1所述的显示面板,其特征在于,所述液晶层是负介电各向异性液晶层。
13.根据权利要求12所述的显示面板,其特征在于,所述液晶层是掺杂有手性剂的液晶层。
14.一种显示装置,其特征在于,包括权利要求1-13任意一项所述的显示面板。
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