CN102749767A - 一种蓝相液晶显示面板及蓝相液晶显示装置 - Google Patents

一种蓝相液晶显示面板及蓝相液晶显示装置 Download PDF

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CN102749767A
CN102749767A CN2012102083368A CN201210208336A CN102749767A CN 102749767 A CN102749767 A CN 102749767A CN 2012102083368 A CN2012102083368 A CN 2012102083368A CN 201210208336 A CN201210208336 A CN 201210208336A CN 102749767 A CN102749767 A CN 102749767A
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谷新
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BOE Technology Group Co Ltd
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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
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    • G02OPTICS
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Abstract

本发明公开了一种蓝相液晶显示面板,包括相对设置的阵列基板和彩膜基板、以及设置于阵列基板和彩膜基板之间的蓝相液晶分子;还包括:条形结构的多个第一公共电极和条形结构的多个像素电极,交替设置在所述阵列基板上、且相邻的第一公共电极与像素电极之间具有间距;条形结构的多个第二公共电极,设置于所述彩膜基板上,其中每一个第二公共电极与一个第一公共电极相对设置。阵列基板与彩膜基板之间的电场由像素电极、第一公共电极以及第二公共电极共同作用形成,能够保证阵列基板与彩膜基板之间的电场强度具有较强的均匀性;同时,本发明提供的蓝相液晶显示面板中,只需向像素电极、第一公共电极以及第二公共电极提供较小的电压即可。

Description

一种蓝相液晶显示面板及蓝相液晶显示装置
技术领域
本发明涉及显示技术领域,特别涉及一种蓝相液晶显示面板及蓝相液晶显示装置。
背景技术
聚合物稳定的蓝相液晶显示面板具有快的响应速度(响应速度是普通向列相液晶的10倍)、无需液晶取向层等特点引起了人们的广泛关注。
然而,现有的蓝相液晶显示面板由于其驱动电压高、光传输性低等缺陷没有被商业化。
请参考图1,图1为传统的横向电场效应显示技术(IPS)电极结构的蓝相液晶显示面板的原理示意图。
传统的IPS电极结构的蓝相液晶显示面板包括:阵列基板2、设置于阵列基板2且间隔分布的像素电极3以及公共电极1、彩膜基板5、设置于彩膜基板5与阵列基板2之间的蓝相液晶分子4。
蓝相液晶分子4的双折射是由电场引起的,蓝相液晶分子4沿电场7方向发生变形,其光轴沿电场7方向延伸,且根据电场7方向不同,蓝相液晶分子4的各向异性程度不同。
蓝相液晶显示面板在IPS电极结构下,像素电极3与公共电极1之间产生的电场强度距离阵列基板2越远强度越小,当把电压加到像素电极3以及公共电极1上后,靠近阵列基板2的下层蓝相液晶分子41会获得较大的动力,可迅速发生扭转变形,且变形量大,光透过性高;但是远离阵列基板2的上层蓝相液晶分子42就无法获得一样的动力,运动较慢,且变形量小,光透过性低,如图1所示,进而影响整体蓝相液晶分子4的光透过率,造成传统的蓝相液晶显示面板的光传输性低的现象。只有通过增加像素电极3与公共电极1之间的驱动电压才可能让离阵列基板2较远的上层蓝相液晶分子42也获得不小的动力,因此需要很高的驱动电压。
因此,如何提供一种蓝相液晶显示面板及蓝相液晶显示装置,以降低其驱动电压,同时增强其光传输性,是本领域技术人员需要解决的技术问题。
发明内容
本发明实施例提供一种蓝相液晶显示面板及蓝相液晶显示装置,以解决现有技术中蓝相液晶显示面板驱动电压高、光传输性低的问题。
为达到上述目的,本发明提供以下技术方案:
一种蓝相液晶显示面板,包括相对设置的阵列基板和彩膜基板、以及设置于所述阵列基板和彩膜基板之间的蓝相液晶分子,还包括:
条形结构的多个第一公共电极和条形结构的多个像素电极,交替设置在所述阵列基板上、且相邻的所述第一公共电极与像素电极之间具有间距;
条形结构的多个第二公共电极,设置于所述彩膜基板上,其中每一个所述第二公共电极与一个所述第一公共电极相对设置。
优选地,所述像素电极与第一公共电极在所述阵列基板上交替并均匀分布,且所述间距为预定值。
优选地,所述像素电极、所述第一公共电极以及所述第二公共电极的宽度相同,且所述宽度为预定值。
优选地,所述宽度的预定值的取值范围为1-4μm,所述间距的预定值的取值范围为3-8μm。
优选地,所述宽度的预定值为1.6μm,所述间距的预定值为4.4μm。
在上述技术方案的基础上,本发明还提供了一种蓝相液晶显示装置,包括如上述技术方案中所述的任一种蓝相液晶显示面板。
本发明提供的蓝相液晶显示面板,包括相对设置的阵列基板和彩膜基板、以及设置于所述阵列基板和彩膜基板之间的蓝相液晶分子;还包括:
条形结构的多个第一公共电极和条形结构的多个像素电极,交替设置在所述阵列基板上、且相邻的第一公共电极与像素电极之间具有间距;
条形结构的多个第二公共电极,设置于所述彩膜基板上,其中每一个第二公共电极与一个第一公共电极相对设置。
为描述方便,设定蓝相液晶显示面板的阵列基板水平放置,且阵列基板位于彩膜基板下方。
本发明提供的蓝相液晶显示面板,其像素电极、第一公共电极以及第二公共电极具有条形结构,通电后,像素电极与相邻的一个第一公共电极之间会产生水平方向的电场,且此电场由像素电极指向第一公共电极;同时,该像素电极与彩膜基板设置的、与该第一公共电极位置对应的第二公共电极之间会产生由该像素电极指向该第二公共电极倾斜向上的电场;水平方向的电场与倾斜向上的电场形成的综合电场方向为最终电场的方向;此区域的蓝相液晶分子沿综合电场的方向发生变形,且其光轴沿综合电场的方向延伸;由于本发明提供的蓝相液晶显示面板中,像素电极和第一公共电极设置于阵列基板,而第二公共电极设置于彩膜基板,阵列基板与彩膜基板之间的电场由像素电极、第一公共电极以及第二公共电极共同作用形成,能够保证阵列基板与彩膜基板之间的电场强度具有较强的均匀性;同时,相对于背景技术中提到的传统的IPS电极结构的蓝相液晶显示面板,本发明提供的蓝相液晶显示面板中,只需向像素电极、第一公共电极以及第二公共电极提供较小的电压即可。
所以,本发明提供的蓝相液晶显示面板的驱动电压较小,且提高了其光的传输性。
附图说明
图1为传统IPS电极结构的蓝相液晶显示面板的原理示意图;
图2为本发明提供的蓝相液晶显示面板的像素电极、第一公共电极以及第二公共电极不通电时的结构示意图;
图3为本发明提供的蓝相液晶显示面板的像素电极、第一公共电极以及第二公共电极通电时的结构示意图。
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。
如图2所示,本发明提供的蓝相液晶显示面板,包括相对设置的阵列基板12和彩膜基板15、以及设置于阵列基板12和彩膜基板15之间的蓝相液晶分子14;还包括:
条形结构的多个第一公共电极171和条形结构的多个像素电极13,交替设置在阵列基板12上、且相邻的第一公共电极171与像素电极13之间具有一定间距D;
条形结构的多个第二公共电极172,设置于彩膜基板15上,其中每一个第二公共电极172与一个第一公共电极171相对设置。
为描述方便,设定蓝相液晶显示面板的阵列基板12水平放置,且阵列基板12位于彩膜基板15下方。
如图3所示,图3为本发明提供的蓝相液晶显示面板的像素电极、第一公共电极以及第二公共电极通电时的结构示意图。本发明提供的蓝相液晶显示面板,其像素电极13、第一公共电极171以及第二公共电极172具有条形结构,通电后,像素电极13与相邻的第一公共电极171之间会产生水平方向的电场E1,且此电场E1由像素电极13指向第一公共电极171;同时,该像素电极13与彩膜基板15设置的、与该第一公共电极171位置对应的第二公共电极172之间会产生由该像素电极13指向该第二公共电极172倾斜向上的电场E2;水平方向的电场E1与倾斜向上的电场E2形成的综合电场E方向为最终电场的方向;此区域的蓝相液晶分子14沿综合电场E的方向发生变形,且其光轴沿综合电场E的方向延伸;由于本发明提供的蓝相液晶显示面板中,像素电极13和第一公共电极171设置于阵列基板12,而第二公共电极172设置于彩膜基板15,阵列基板12与彩膜基板15之间的电场由像素电极13、第一公共电极171以及第二公共电极172共同作用形成,能够保证阵列基板12与彩膜基板15之间的电场强度具有较强的均匀性;同时,相对于背景技术中提到的传统的IPS模式的蓝相液晶显示面板,本发明提供的蓝相液晶显示面板中,只需向像素电极13、第一公共电极171以及第二公共电极172提供较小的电压即可。
所以,本发明提供的蓝相液晶显示面板的驱动电压较小,且提高了其光的传输性。
进一步地,为了增强阵列基板12和彩膜基板15之间电场的均匀性,优选地,像素电极13与第一公共电极171在阵列基板12上交替并均匀分布,且相邻的第一公共电极171和像素电极13之间的间距D为预定值。
如图2所示,在上述技术方案的基础上,设定,第一公共电极171的宽度为W1,像素电极13的宽度为W2,第二公共电极172的宽度为W3,W1、W2以及W3之间可相同,也可以不同。当然为了进一步地增强阵列基板12和彩膜基板15之间电场的均匀性,优选地,像素电极13的宽度W2与第一公共电极171的宽度W1、以及第二公共电极172的宽度W3相同,且W1、W2和W3为预定值。
具体地,经发明人多次试验得出,当上述第一公共电极171的宽度W1、像素电极13的宽度W2以及第二公共电极172的宽度W3的预定值的取值范围为1-4μm,而上述相邻的像素电极13与第一公共电极171之间间距D的预定值的取值范围为3-8μm,可以得到较高均匀性和较高强度的综合电场E。
更具体地,优选上述第一公共电极171的宽度W1、像素电极13的宽度W2以及第二公共电极172的宽度W3的预定值为1.6μm,而上述相邻的像素电极13与第一公共电极171之间间距D的预定值为4.4μm。
本发明还提供了一种包括上述技术方案中提到的任一种蓝相液晶显示面板的蓝相液晶显示装置。
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 (6)

1.一种蓝相液晶显示面板,包括相对设置的阵列基板和彩膜基板、以及设置于所述阵列基板和彩膜基板之间的蓝相液晶分子,其特征在于,还包括:
条形结构的多个第一公共电极和条形结构的多个像素电极,交替设置在所述阵列基板上、且相邻的所述第一公共电极与像素电极之间具有间距;
条形结构的多个第二公共电极,设置于所述彩膜基板上,其中每一个所述第二公共电极与一个所述第一公共电极相对设置。
2.根据权利要求1所述的蓝相液晶显示面板,其特征在于,所述像素电极与第一公共电极在所述阵列基板上交替并均匀分布,且所述间距为预定值。
3.根据权利要求2所述的蓝相液晶显示面板,其特征在于,所述像素电极、所述第一公共电极以及所述第二公共电极的宽度相同,且所述宽度为预定值。
4.根据权利要求3所述的蓝相液晶显示面板,其特征在于,所述宽度的预定值的取值范围为1-4μm,所述间距的预定值的取值范围为3-8μm。
5.根据权利要求4所述的蓝相液晶显示面板,其特征在于,所述宽度的预定值为1.6μm,所述间距的预定值为4.4μm。
6.一种蓝相液晶显示装置,其特征在于,包括如权利要求1-5任一项所述的蓝相液晶显示面板。
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