CN106444173B - 一种阵列基板、显示面板及显示装置 - Google Patents
一种阵列基板、显示面板及显示装置 Download PDFInfo
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Abstract
本发明提供一种阵列基板、显示面板及显示装置。其中,阵列基板包括:衬底基板,位于所述衬底基板上的公共电极,所述公共电极由多个以阵列方式排布的子电极组成,每一子电极用于分时接收公共电压信号和触控信号,其特征在于,每一子电极通过公共电极线接收公共电压信号,每一子电极对应的公共电极线由多个子电极线组成,且每个子电极线均分别与其对应的子电极连接。本发明将公共电极中的每个子电极的公共电极线细分为多个子电极线,且每个子电极线均与其对应子电极连接,从而有效降低了子电极的阻值,并使子电极之间的电阻差也进一步得到减小,从而在显示阶段避免显示画面发生泛绿和亮度不均的现象。
Description
技术领域
本发明涉及显示领域,特别是涉及一种阵列基板、显示面板及显示装置。
背景技术
在现有技术中,比较常见的一种实现触控显示的技术是将阵列基板上的公共电极制作成多个阵列分布的子电极,并对子电极进行分时驱动,即显示阶段,对子电极加载公共电压信号,驱动显示器的液晶偏转;在触控阶段,则对子电极加载触控信号,使子电极形成自容式的触控传感器。
然后,上述现有结构中,子电极的电阻较高,在显示阶段容易使显示画面发生泛绿(Greenish)的现象。同时,距离驱动芯片较近的子电极与驱动芯片之间的公共电极走线较短,而距离驱动芯片较远的子电极与驱动芯片之间的公共电极走线较长,这造成了不同位置的子电极在电阻上存在较高的差异性,在显示阶段,使得液晶分子偏转存在差异性,进而使显示面板的亮度不均匀。
发明内容
本发明的目的是提供一种阵列基板、显示面板及显示装置,能够降低公共电极中的子电极的电阻,从而避免显示画面出现泛绿的现象。
为实现上述发明的目的,一方面本发明提供一种阵列基板,包括衬底基板,位于所述衬底基板上的公共电极,所述公共电极由多个以阵列方式排布的子电极组成,每一子电极用于分时接收公共电压信号和触控信号;
每一子电极通过公共电极线接收公共电压信号,每一子电极对应的公共电极线由多个子电极线组成,且每个子电极线均分别与其对应的子电极连接。
进一步地,所述子电极线包括沿第一方向延伸的第一子电极线和沿第二方向延伸的第二子电极线,
每一子电极对应的公共电极线包括多个第一子电极线和/或第二子电极线。
进一步地,每一子电极对应的公共电极线中,每一第一子电极线与一个或多个第二电极线连接。
进一步地,所述阵列基板还包括:
形成在衬底基板上的栅线和数据线;
其中,所述第一子电极线与所述栅线的延伸方向相同,且同层同材料形成,所述第二子电极线与所述数据线的延伸方向相同,且同层同材料形成。
进一步地,所述第一子电极线在所述衬底基板的投影落入其对应的子电极在所述衬底基板的投影内;
每个子电极对应的第二子电极线中,有一个第二子电极线延伸连接至驱动芯片,其余第二子电极线在所述衬底基板的投影落入其对应的子电极在所述衬底基板的投影内;
其中,所述驱动芯片通过与其连接的第二子电极线向对应的子电极分时加载公共电压信号和触控信号。
进一步地,所述阵列基板还包括:
若所述第二子电极线与所述数据线延伸方向相同,则在同一列相邻的两个子电极中,靠近所述驱动芯片的子电极的第二子电极线的数量要少于远离所述驱动芯片的子电极像的第二子电极线的数量;
若所述第二子电极线与所述栅线延伸方向相同,则在同一行相邻的两个子电极中,靠近所述驱动芯片的子电极的第二子电极线的数量要少于远离所述驱动芯片的子电极像的第二子电极线的数量。
进一步地,所述阵列基板还包括:
形成在所述阵列基板上的多个子像素,所述多个子像素以阵列方式排布;
相邻两列子像素之间设置有两条数据线,且每列子像素左、右两侧对应设置有数据线,在同一列子像素中,一侧数据线用于驱动奇数位子像素,另一侧数据线用于驱动偶数位子像素;
每隔两行子像素设置有一条栅线,每条栅线用于驱动上下两行的子像素。
进一步地,在未设置栅线的相邻两行子像素之间设置有与所述栅线的延伸方向相同的第一子电极线;在相邻两条数据线之间设置有与所述数据线延伸方向相同的所述第二子电极线。
另一方面,本发明还提供一种显示面板,包括上述阵列基板。
此外,本发明还提供一种显示装置,包括上述显示面板,以及用于分时向所述子电极提供公共电压信号和触控信号的驱动芯片。
本发明的上述方案具有如下有益效果:
本发明将公共电极中的每个子电极所对应连接的公共电极线拆分成多个子电极线,每一子电极线分别与其对应子电极连接,从而有效降低子电极的阻值,并使不同子电极之间的电阻差也得减小,从而在显示阶段避免显示画面发生泛绿和亮度不均的现象。
附图说明
图1为本发明阵列基板上的子像素与公共电极线之间的结构示意图;
图2为本发明的阵列基板中的子电极与其对应的公共电极线中的子电极线之间的结构示意图;
图3为本发明的阵列基板在一个实现方式中的结构示意图;
图4和图5为本发明的阵列基板在另一实现方式中的结构示意图。
具体实施方式
为使本发明要解决的技术问题、技术方案和优点更加清楚,下面将结合附图及具体实施例进行详细描述。
针对现有触控显示装置所存在的公共电极的子电极阻值高的问题,本发明提供一种解决方案。
一方面,本发明的实施例提供一种阵列基板,如图1所示,包括:
衬底基板1;
位于衬底基板1上的公共电极,由多个以阵列方式排布的子电极2组成,且每一子电极2用于分时接收公共电压信号和触控信号;
与一子电极2一一对应的公共电极线3,用于接收公共电压信号。
进一步参考图2,其中,每一子电极2对应的公共电极线3由多个子电极线31、32组成,且每个子电极线均分别与其对应的子电极2连接,从而大幅降低子电极2的阻值。
在实际应用中,子电极2与公共电极线3为不同层设置,两者之间至少要相隔绝缘层,作为示例性介绍,在本实施例的公共电极线3中,每个子电极线31、32都分别在绝缘层上对应有至少一个过孔,并分别通过该对应的至少一个过孔与子电极2跨图层连接。
通过上述方案可以知道,本实施例可以使公共电极中的每一子电极的阻值得到有效减小,进而消除显示画面的泛绿现象。此外,在子电极的阻值减小后,各子电极之间的电阻差也进一步得到减小,最终使显示画面的亮度更加均匀。
当然,需要给予说明的是,图2所示结构仅用于示例性介绍本实施例中一根公共电极线中所包含的子电极线,本领域技术人员可以基于本实施例的方案上,对子电极线的布置进行适当变化,这些不同的实现方式均应属于本发明的保护范围之内。
下面结合几个实现方式对本示例性的实际应用进行详细介绍。
实现方式一:
参考图3,本实现方式一中,每一子电极2对应的公共电极线3包括第一子电极线31以和第二子电极线32。其中,第一子电极线31与阵列基板的栅极的延伸方向相同,且同层同材料形成;第二子电极线32与阵列基板的数据线的延伸方向相同,且同层同材料形成。
基于上述结构设计,第一子电极线31与阵列基板的栅线可以利用同一个构图工艺形成;同理,第二子电极线32与阵列基板的数据线也可以利用同一个构图工艺形成。相比于现有技术的制作方法,本实施例的阵列基板不会额外添加构图工艺,使制作成本提高。此外,在实际应用中,阵列基板的栅线以及数据线均是金属材料制成的。因此采用上述方案,本实施例的第一子电极线和第二子电极线也同样可以是金属材料,从而具有更低的电阻。
进一步地,每个子电极2对应的第一子电极线31在衬底基板1的投影落入其对应的子电极在衬底基板1的投影内。在每个子电极2对应的第二子电极线32中,有一个第二子电极线延伸连接至驱动芯片,用于接收该驱动芯片分时加载的触控信号和公共电压信号,其余第二子电极线在衬底基板1的投影落入其对应的子电极在衬底基板1的投影内。
以左上角的子电极为例,其公共电极线中最左边的第二子电极线用于连接至驱动芯片。显然该第二子电极线占据了其下方其他所有子电极设置第二子电极线的位置,因此在列向上,相邻的两个子电极中,靠近驱动芯片的子电极的第二子电极线的数量要少于远离所述驱动芯片的子电极的第二子电极线的数量。
基于上述原理类推,假设本实现方式一中,每列子电极有X个,同一列子像素的区域内最多只能设置有X个第二子电极线,那么第一列最下方的子电极有仅有一个的第二子电极线,且该唯一的第二子电极线用于与驱动芯片连接。
基于实现方式一的结构设计,距离驱动芯片最远的子电极对应的第二子电极线最多,因此阻值最小,从而补偿了公共电极线需要设置较长的缺点;而距离驱动芯片最近的子电极对应的第二子电极线最少,因此阻值越大,该缺点,被其需要设置较短的公共电极线长度所中和。
基于上述原理,本实现方式一中的每个子电极的电阻值与其所需要设置的公共电极线的长度形成互补,因此在驱动效果上具有更好的均一性。
当然,实现方式一仅是示例性介绍了本实施例的阵列基板,基于上述原理,在本实施例中,但凡是远离驱动芯片的子电极比靠近芯片的子电极设置更多的子电极线,均可达到均一性的技术效果。
进一步地,作为优选方案,每一子电极对应的公共电极线中,每一第一子电极线与一个或多个第二电极线连接,从而进一步降低该公共电极线的整体电阻,使得加载信号时的响应速度更快。
在实际应用中,栅极同层的第一子电极线与数据线同层的第二子电极线之间相隔有绝缘层,本实现方式一可以在绝缘层上设置过孔,使第一子电极线通过该过孔与第二子电极线连接。
作为示例性介绍,一个第一子电极线可以通过绝缘层上的一个或多个过孔与一个第二电极线连接,即一个第一子电极线与一个第二电极线之间有多个连接点,从而更有效地降低公共电极线的整体电阻。
以上是本实现方式一的技术方案,需要给予说明的是,本领域技术人员还可以在上述基础上进行适当改变,将子电极对应的其中一个第一子电极线用于连接驱动芯片;或者本发明的子电极均只具有一个延伸方向。
实现方式二
如图4所示,本实现方式二的阵列基板包括:以阵列方式排布的多个子像素(矩形方格),数据线D1-D8,栅线G1-G3。
其中,相邻两列子像素之间设置有两条数据线,且每列子像素左、右两侧对应设置有数据线,在同一列子像素中,一侧数据线用于驱动奇数位子像素,另一侧数据线用于驱动偶数位子像素;
每隔两行子像素设置有一条栅线,每条栅线用于驱动上下两行的子像素。
进一步地,在未设置栅线的相邻两行子像素之间设置有与栅线的延伸方向相同的第一子电极线31;在相邻两条数据线之间设置有与数据线延伸方向相同的第二子电极线32;
其中,本实现方式二的每一第一子电极线31至少连接一个第二子电极线32。
进一步地,本实现方式二将图4所示的区域作为一个子电极的区域,即如图5所示,该子电极2的区域内包含了有3条第一子电极线31和3条第二子电极线32,该3条第一子电极线31和3条第二子电极线32均与子电极2连接,且其中一条第一子电极线或其中一条第二子电极线用于连接驱动芯片,获取该驱动芯片分时加载的公共电压信号和触控信号。
以上是本实施例的阵列基板的介绍,需要给予说明的是,本实施例并不限定公共电极线只能包括第一子电极线和第二子电极线,以及第一子电极与第二子电极线的延伸方向。可以看出,相比于现有技术,本实施例的公共电极的子电极具有更小的电阻。此外,本发明的另一实施例还提一种显示面板,包括有上述阵列基板,基于本发明的阵列基板的结构设计,本实施例的显示面板的显示亮度更加均匀,且不会发生泛绿的现象,能过为用户提供更好的显示体验。
此外,本发明的另一实施例还提一种包括上述显示面板的显示装置,该显示装置同样具有上述显示面板的有益效果。
以上所述是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明所述原理的前提下,还可以作出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
Claims (8)
1.一种阵列基板,包括衬底基板,位于所述衬底基板上的公共电极,所述公共电极由多个以阵列方式排布的子电极组成,每一子电极用于分时接收公共电压信号和触控信号,其特征在于,
每一子电极通过公共电极线接收公共电压信号,每一子电极对应的公共电极线由多个子电极线组成,且每个子电极线均分别与其对应的子电极连接;
形成在衬底基板上的栅线和数据线;
所述子电极线包括沿第一方向延伸的第一子电极线和沿第二方向延伸的第二子电极线;
若所述第二子电极线与所述数据线延伸方向相同,则在同一列相邻的两个子电极中,靠近驱动芯片的子电极的第二子电极线的数量要少于远离所述驱动芯片的子电极的第二子电极线的数量;
若所述第二子电极线与所述栅线延伸方向相同,则在同一行相邻的两个子电极中,靠近驱动芯片的子电极的第二子电极线的数量要少于远离所述驱动芯片的子电极的第二子电极线的数量;
每个子电极对应的第二子电极线中,有一个第二子电极线延伸连接至驱动芯片,其余第二子电极线在所述衬底基板的投影落入其对应的子电极在所述衬底基板的投影内,其中,所述驱动芯片通过与其连接的第二子电极线向对应的子电极分时加载公共电压信号和触控信号;
所述第一子电极线与所述栅线的延伸方向相同,且同层同材料形成,所述第二子电极线与所述数据线的延伸方向相同,且同层同材料形成。
2.根据权利要求1所述的阵列基板,其特征在于,
每一子电极对应的公共电极线包括多个第一子电极线和/或第二子电极线。
3.根据权利要求2所述的阵列基板,其特征在于,
每一子电极对应的公共电极线中,每一第一子电极线与一个或多个第二电极线连接。
4.根据权利要求1-3任一项所述的阵列基板,其特征在于,
所述第一子电极线在所述衬底基板的投影落入其对应的子电极在所述衬底基板的投影内。
5.根据权利要求1-3任一项所述的阵列基板,其特征在于,还包括:
形成在所述阵列基板上的多个子像素,所述多个子像素以阵列方式排布;
相邻两列子像素之间设置有两条数据线,且每列子像素左、右两侧对应设置有数据线,在同一列子像素中,一侧数据线用于驱动奇数位子像素,另一侧数据线用于驱动偶数位子像素;
每隔两行子像素设置有一条栅线,每条栅线用于驱动上下两行的子像素。
6.根据权利要求5所述的阵列基板,其特征在于,
在未设置栅线的相邻两行子像素之间设置有与所述栅线的延伸方向相同的第一子电极线;
在相邻两条数据线之间设置有与所述数据线延伸方向相同的所述第二子电极线。
7.一种显示面板,其特征在于,包括如权利要求1-6任一项所述的阵列基板。
8.一种显示装置,其特征在于,包括如权利要求7所述显示面板,以及用于分时向所述子电极提供公共电压信号和触控信号的驱动芯片。
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