CN105572999A - 显示面板及显示装置 - Google Patents
显示面板及显示装置 Download PDFInfo
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 32
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- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices 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
- H01L27/12—Devices 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
- H01L27/1214—Devices 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
- H01L27/1255—Devices 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 integrated with passive devices, e.g. auxiliary capacitors
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- G02F1/00—Devices 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
- G02F1/01—Devices 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
- G02F1/13—Devices 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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- G02F1/00—Devices 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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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,其可解决现有的像素阵列的开口率低,易出现显示残像的问题。本发明的显示面板,由多个阵列单元排列而成,每个阵列单元均包括第一像素阵列和第二像素阵列;所述第一像素阵列和所述第二像素阵列均具有至少一个畴倾斜方向;且在每行所述阵列单元中的所述第一像素阵列和所述第二像素阵列之间设置有一行充电栅线、一行共用栅线,在每个所述阵列单元的第一像素阵列和所述第二像素阵列之间还设置有第一晶体管、第二晶体管、第三晶体管,以及辅助液晶电容。在本发明中通过辅助液晶电容来替换存储电容,提高了像素阵列的开口率和避免了液晶残像的问题。
Description
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
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。
如图1和2所示,该图示意出一种具有八个畴倾斜方向的像素阵列。其中,该像素阵列包括多个阵列单元,每个阵列单元包括具有低电压的第一像素阵列10和具有高电压的第二像素阵列20,第一像素阵列10和第二像素阵列20均包括四个不同畴倾斜方向的像素区。在每个阵列单元的第一像素阵列10和第二像素阵列20之间设置有一行充电栅线2、一行共用栅线1、一行公共电极线3、第一晶体管T1、第二晶体管T2、第三晶体管T3,以及一个阵列单元内部必需的存储电容30。
但是,发明人发现现有技术中至少存在如下问题:当第一晶体管T1、第二晶体管T2、第三晶体管T3的源、漏极与有源层,以及存储电容30的第一极板采用一次构图工艺完成,存储电容30的第二极板与栅极通过一次构图工艺形成时,在存储电容30的第一极板和第二极板之间设置有有源层材料,此时在给栅极通电后,存储电容30的第一极板和第二极板之间将会产生电流,导致存储电容30的值发生变化,此时将会影响第一像素阵列10中的电压值,进而导致显示为残像。
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,提供一种开口率高、有效避免显示残像的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,由多个阵列单元排列而成,每个阵列单元均包括第一像素阵列和第二像素阵列;所述第一像素阵列和所述第二像素阵列均具有至少一个畴倾斜方向;且在每行所述阵列单元中的所述第一像素阵列和所述第二像素阵列之间设置有一行充电栅线、一行共用栅线,在每个所述阵列单元的第一像素阵列和所述第二像素阵列之间还设置有第一晶体管、第二晶体管、第三晶体管,以及辅助液晶电容;其中,所述第一晶体管的第一极连接所述第二晶体管的第一极,所述第一晶体管的第二极连接所述辅助液晶电容,所述第一晶体管的控制极连接所述共用栅线;所述第二晶体管的第一极还连接所述第一像素阵列,所述第二晶体管的第二极连接数据线,控制极连接所述充电栅线;所述第三晶体管的第一极连接所述第二像素阵列,所述第三晶体管的第二极连接数据线,所述第三晶体管的控制极连接所述充电栅线。
优选的是,
所述第一像素阵列和所述第二像素阵列均包括设置在第一基板上的像素电极和设置在第二基板上的公共电极,以及设置在所述像素电极和所述公共电极之间的液晶层。
进一步优选的是,所述像素电极为条状电极,所述公共电极为板状电极;其中,所述第一像素阵列和所述第二像素阵列均包括两种不同倾斜方向条状电极,且所述液晶层中液晶分子的初始取向为垂直取向。
进一步优选的是,所述第一像素阵列和所述第二像素阵列均具有四个像素区,且位于对角线上的两个所述像素区中的所述条状电极的倾斜方向相同。进一步优选的是,在行方向上相邻的两个像素区中的所述条状电极的倾斜方向沿列方向对称设置;在列方向相邻的两个像素区中的所述条状电极的倾斜方向沿行方向对称设置。
优选的是,所述辅助液晶电容的第一极板为条状电极,第二极板为板状电极;其中,所述辅助液晶电容的条状电极的倾斜方向与所述第一像素阵列中的条状电极的倾斜方向相同,且设于所述第一极板与所述第二极板之间的辅助液晶层中辅助液晶分子的初始取向为垂直取向。进一步优选的是,所述辅助液晶电容的第一极板与所述第一像素阵列的像素电极同层设置且材料相同;所述辅助液晶电容的第二极板与所述第一像素阵列的公共电极同层设置且材料相同;且设于所述第一极板与所述第二极板之间的辅助液晶层中辅助液晶分子的初始取向为垂直取向。优选的是,在所述第二基板上还设置有与所述公共电极电连接的公共电极线。
进一步优选的是,
所述辅助液晶电容的第一极板与所述第一晶体管的第二极连接;所述辅助液晶电容的第二极板与所述公共电极线连接。
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:
在发明的显示面板中,在每个所述阵列单元的第一像素阵列和所述第二像素阵列之间设置有辅助液晶电容,用辅助液晶电容和代替现有技术当中的每个阵列单元中必须的存储电容,该辅助液晶电容不会影响该阵列单元的开口率,也就是显示区的面积,而且辅助液晶电容顾名思义在其第一极板和第二极板之间设置的是液晶,因此辅助液晶电容与第一像素阵列连接不会对第一像素阵列的电压产生较大的影响,因此不会出现显示残像的问题。
附图说明
图1为现有的显示面板的结构示意图;
图2为图1的显示面板的电路结构图;
图3为本发明的实施例1的显示面板的结构示意图;
图4为图3的显示面板的电路结构图。
其中附图标记为:1、共用栅线;2、充电栅线;3、公共电极线;4、数据线;10、第一像素阵列;20、第二像素阵列;30、存储电容;40、辅助液晶电容。
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:
结合图3和4所示,本实施例提供一种显示面板,由多个阵列单元排列而成,每个阵列单元均包括第一像素阵列10和第二像素阵列20;第一像素阵列10和第二像素阵列20均具有至少一个畴倾斜方向;且在每行阵列单元中的第一像素阵列10和第二像素阵列20之间设置有一行充电栅线2、一行共用栅线1,在每个阵列单元的第一像素阵列10和第二像素阵列20之间还设置有第一晶体管T1、第二晶体管T2、第三晶体管T3,以及辅助液晶电容40;其中,第一晶体管T1的第一极连接第二晶体管T2的第一极连接,第二极连接辅助液晶电容40,控制极连接共用栅线1;第二晶体管T2的第一极还连接第一像素阵列10,第二极连接数据线4,控制极连接充电栅线2;第三晶体管T3的第一极连接第二像素阵列20,第二极连接数据线4,控制极连接充电栅线2。
在此需要说明的是,畴倾斜方向是指:在施加电压后液晶分子的指向矢基本相同的微小区域。决定液晶分子的指向矢的因素包括电压大小和条状电极的倾斜方向。
其中,上述的第一像素阵列10为具有低电压的像素阵列,而第二像素阵列20则为具有高电压的像素阵列。第一像素阵列10和第二像素阵列20中均包括像素电极和公共电极(图4中三角为公共电极,其设置在第二基板上),其中,第一像素阵列10中的像素电极和公共电极之间形成第一液晶电容,第二像素阵列20中的像素电极和公共电极之间形成第二液晶电容。而且像素电极和公共电极中的一者为条状电极,在以下内容中,均以像素电极为条状电极,公共电极为板状电极为例进行说明,但这并不构成对本实施例的限制。
在现有技术中,每个阵列单元中均设置有一个必须的存储电容,但这个存储电容的两个极板中的至少一者采用非透光的金属材料制成,也就是说存储电容的位置为非透光区。而在本实施例的显示面板中,在每个所述阵列单元的第一像素阵列10和所述第二像素阵列20之间设置有辅助液晶电容40,用辅助液晶电容40和代替现有技术当中的每个阵列单元中必须的存储电容,该辅助液晶电容40不会影响该阵列单元的开口率,也就是显示区的面积,而且辅助液晶电容40顾名思义在其第一极板和第二极板之间设置的是辅助液晶层,因此辅助液晶电容40与第一像素阵列10连接不会对第一像素阵列10的电压产生较大的影响,因此不会出现显示残像的问题。
其中,本实施例中的第一像素阵列10和第二像素阵列20均包括像素电极和公共电极,以及为这两者之间的液晶层;其中,像素电极设置在第一基板(阵列基板)上,公共电极设置在第二基板(对盒基板/彩膜基板)上。像素电极为条状电极,公共电极为板状电极;而且第一像素阵列10中条状电极包括两种不同的倾斜方向;第二像素阵列20中的条状电极也包括两种不同的倾斜方向;同时,位于条状电极和板状电极之间的液晶层中液晶分子的初始取向为垂直取向。
由此可知,每个阵列单元中的第一像素阵列10中具有两种倾斜方向的条状电极,因此在给条状电极和公共电极施加电压后,液晶分子发生偏转,产生四个畴倾斜方向不同液晶分子所在区域,也即第一像素阵列10包括四个畴倾斜方向不同的像素区。同理,在第二像素阵列20中具有两种倾斜方向的条状电极,因此可以使得第二像素阵列20具有四个畴倾斜方向不同的像素区。同时,由于第一像素阵列10中的条状电极与第二像素阵列20中的条状电极所施加的电压大小不同(第一像素阵列10的条状电极上的电压低于第二像素阵列20的条状电极上的电压),因此第一像素阵列10中的四个畴倾斜方向与第二像素阵列20中的四个畴倾斜方向是不同的,从而可以理解的是,每个阵列单元具有八个畴倾斜方向。以下称这种的具有八个畴倾斜方向的显示面板为八畴显示面板。
作为八畴显示面板的一种优选结构,该种显示面板的每个阵列单元中的第一像素阵列10和第二像素阵列10均具有四个像素区,且位于对角线上的两个所述像素区中的所述条状电极的倾斜方向相同。例如,如图3所示,其中,第一像素阵列10中的左上角的像素区中的条状电极的倾斜方向是从左上到右下的延长线方向倾斜的,右下角的像素区中的条状电极的倾斜方向也是从左上到右下的延长线方向倾斜的。进一步的,在行方向上相邻的像素区中的条状电极的倾斜方向沿列方向对称设置;在列方向相邻的两个像素区中的条状电极的倾斜方向沿行方向对称设置。具体的,同样以第一像素阵列10为例,在第一像素阵列10中的左上角的像素区中的条状电极的倾斜方向是从左上到右下的延长线方向倾斜的,右上角的像素区中条状电极的倾斜方向是右上到左下的延长线方向倾斜的;相应的左下角的像素区中条状电极的倾斜方向也是右上到左下的延长线方向倾斜的。同理,第二像素阵列20中的条状电极的倾斜方向与第一像素阵列10中相应位置的条状电极的倾斜方向是一致的。
之所以如此设置,是为了液晶分子的偏转均有一定的规律性,而且可以使得显示面板具有较广的视角,同时提高显示均匀性和像素开口率。
作为本实施例的一种优选实现方式,在本实施例的显示面板中,辅助液晶电容40的畴倾斜方向与第一像素阵列10中的畴倾斜方向相同。具体的,辅助液晶电容10的第一极板为条状电极,第二极板为板状电极;其中,所述辅助液晶电容10的条状电极的倾斜方向与所述第一像素阵列10中的条状电极的倾斜方向相同,且设于所述第一极板与所述第二极板之间的辅助液晶层中辅助液晶分子的初始取向为垂直取向。当然,应该理解的是,如果第一像素阵列10具有的四个像素区,那么辅助液晶电容10也将具有四个区域,且这四个区域的条状电极的倾斜方向是与第一像素阵列10所具有的四个像素区的条状电极的倾斜方向相同。之所以如此设置是因为,在给充电栅线2施加工作电压,将第二晶体管T2和第三晶体管T3打开,给第一像素阵列10和第二像素阵列20充电完成后,给共用栅线1施加工作电压,将第一晶体管T1打开,给辅助液晶电容40充电完成后,即使辅助液晶电容40与第一像素阵列10的信号是相互混杂的,此时这两者畴倾斜方向相同,故辅助液晶电容40的电位不会对第一像素阵列10的电位产生影响,也就不会出现显示残像的问题。
其中,辅助液晶电容40的第一极板像素电极(条状电极)设置且材料相同;辅助液晶电容40的第二极板与公共电极(板状)同层设置且材料相同。也就是说,辅助液晶电容40的第一极板可以与像素电极采用一次构图工艺形成,第二极板可以公共电极采用同一次构图工艺形成,当然,辅助液晶层中的液晶分子则可以与液晶层中的液晶分子同时灌注,因此不会增加工艺步骤,从而提高产能,以及降低生产成本。
其中,在第二基板上不仅设置有公共电极,还设置有与公共电极电连接并提供信号的公共电极线3;辅助液晶电容的第一极板与所述第一晶体管T1的第二极连接;辅助液晶电容的第二极板与所述公共电极线3连接。因此,无需在第一基板中设置公共电极线3,从而可以提高像素的开口率。
实施例2:
本实施例提供一种显示装置,其包括实施例1中的显示面板。因此,本实施例的显示装置的开口率较大,显示效果较好。
其中,本实施例的显示装置可以为液晶面板、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 (10)
1.一种显示面板,由多个阵列单元排列而成,每个阵列单元均包括第一像素阵列和第二像素阵列;所述第一像素阵列和所述第二像素阵列均具有至少一个畴倾斜方向;且在每行所述阵列单元中的所述第一像素阵列和所述第二像素阵列之间设置有一行充电栅线、一行共用栅线,其特征在于,在每个所述阵列单元的第一像素阵列和所述第二像素阵列之间还设置有第一晶体管、第二晶体管、第三晶体管,以及辅助液晶电容;其中,
所述第一晶体管的第一极连接所述第二晶体管的第一极,所述第一晶体管的第二极连接所述辅助液晶电容,所述第一晶体管的控制极连接所述共用栅线;
所述第二晶体管的第一极还连接所述第一像素阵列,所述第二晶体管的第二极连接数据线,控制极连接所述充电栅线;
所述第三晶体管的第一极连接所述第二像素阵列,所述第三晶体管的第二极连接数据线,所述第三晶体管的控制极连接所述充电栅线。
2.根据权利要求1所述的显示面板,其特征在于,所述第一像素阵列和所述第二像素阵列均包括设置在第一基板上的像素电极和设置在第二基板上的公共电极,以及设置在所述像素电极和所述公共电极之间的液晶层。
3.根据权利要求2所述的显示面板,其特征在于,所述像素电极为条状电极,所述公共电极为板状电极;其中,所述第一像素阵列和所述第二像素阵列均包括两种不同倾斜方向条状电极,且所述液晶层中液晶分子的初始取向为垂直取向。
4.根据权利要求3所述的显示面板,其特征在于,所述第一像素阵列和所述第二像素阵列均具有四个像素区,且位于对角线上的两个所述像素区中的所述条状电极的倾斜方向相同。
5.根据权利要求4所述的显示面板,其特征在于,在行方向上相邻的两个像素区中的所述条状电极的倾斜方向沿列方向对称设置;在列方向相邻的两个像素区中的所述条状电极的倾斜方向沿行方向对称设置。
6.根据权利要求3所述的显示面板,其特征在于,所述辅助液晶电容的第一极板为条状电极,第二极板为板状电极;其中,所述辅助液晶电容的条状电极的倾斜方向与所述第一像素阵列中的条状电极的倾斜方向相同,且设于所述第一极板与所述第二极板之间的辅助液晶层中辅助液晶分子的初始取向为垂直取向。
7.根据权利要求6所述的显示面板,其特征在于,所述辅助液晶电容的第一极板与所述第一像素阵列的像素电极同层设置且材料相同;所述辅助液晶电容的第二极板与所述第一像素阵列的公共电极同层设置且材料相同。
8.根据权利要求2所述的显示面板,其特征在于,在所述第二基板上还设置有与所述公共电极电连接的公共电极线。
9.根据权利要求8所述的显示面板,其特征在于,所述辅助液晶电容的第一极板与所述第一晶体管的第二极连接;所述辅助液晶电容的第二极板与所述公共电极线连接。
10.一种显示装置,其特征在于,包括权利要求1-9中任一项所述的显示面板。
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