CN108169972A - 阵列基板及其驱动方法、显示装置 - Google Patents
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Abstract
本发明提供一种阵列基板及其驱动方法、显示装置,属于显示技术领域。本发明的阵列基板包括:基底;设置在基底上的多条信号线;每条信号线连接与其对应的短路条,且在每条信号线上均连接有开关单元;其中,开关单元用于控制与其连接的信号线是否与短路条电连接。
Description
技术领域
本发明属于显示技术领域,具体涉及一种阵列基板及其驱动方法、显示装置。
背景技术
在现有的CT检测(Cell Test;液晶盒检测)中,常采用短路条(shorting bar)结构对显示面板进行检测,其主要是将短路条安装在显示面板的电极区,以使该短路条对电极区中的电路进行短路;然后,将多个探针插入待进行检测的检测区域中,以使每个探针均对应插入在一条电路上,以此向电极区中的电路加载电信号,以使接收到电信号的显示面板进行发光,并通过显示面板的发光情况来检测显示面板是否合格;最后,在对显示面板检测结束后,为避免短路条外露引起的电极区中的电路发生短路,需要使用激光器将短路条切除。
但是,针对上述的检测方法,发明人发现:在对显示面板检测完成后,增加一台切割短路条的激光器将大大地提高制造显示面板的生产成本;同时,CT检测只需对良率较低的显示面板进行检测处理,对于良率较高的显示面板是可以不用进行检测的,若使用上述的检测方法对显示面板进行检测的话,所有显示面板的电极区都将安装短路条,也即对于良率较高的显示面板的电极区也会安装有短路条,故为避免短路条外露引起的短路的情况的发生,对于不需要进行检测的显示面板也需要用激光器来切除其电极区上的短路条,这段多余的切除工艺不仅会导致显示面板的产能降低,还会降低制造显示面板的稼动率。
发明内容
本发明旨在至少解决现有技术中存在的技术问题之一,提供一种能够提高制造液晶显示面板的稼动率的阵列基板及其驱动方法、显示装置。
解决本发明技术问题所采用的技术方案是一种阵列基板,其包括:
基底;
设置在基底上的多条信号线;
每条所述信号线连接与其对应的短路条,且在每条所述信号线上均连接有开关单元;其中,
所述开关单元,用于控制与其连接的所述信号线是否与所述短路条电连接。
优选的是,所述阵列基板还包括:
控制单元,其连接所述开关单元,用于控制所述开关单元的开启与关断,以控制与所述开关单元连接的所述信号线是否与所述短路条电连接。
优选的是,各个所述开关单元通过同一控制线与所述控制单元连接。
优选的是,所述信号线包括:栅线、数据线。
优选的是,当所述信号线为数据线时,所述短路条、所述控制线与栅线同层设置,且三者材料相同;
当所述信号线为栅线时,所述短路条、所述控制线与数据线同层设置,且三者材料相同。
优选的是,所述阵列基板还包括:检测单元,其与所述短路条连接,用于为所述短路条加载检测信号。
优选的是,所述短路条的两端中的至少一端连接有所述检测单元。
优选的是,所述开关单元为开关晶体管。
解决本发明技术问题所采用的技术方案是一种阵列基板的驱动方法,所述阵列基板为上述的阵列基板,所述阵列基板的驱动方法包括:
检测阶段:开启开关单元,以使与所述开关单元连接的信号线与短路条电连接;
显示阶段:关断所述开关单元,以断开与所述短路条电连接的所述信号线。
解决本发明技术问题所采用的技术方案是一种显示装置,其包括上述的阵列基板。
本发明具有如下有益效果:
由于本发明中的每条信号线上均连接有开关单元,且当开关单元处于闭合状态时,与该开关单元连接的信号线将与短路条电连接,以使检测信号通过短路条输入至与该短路条连接的信号线上,以使与该信号线连接的像素单元进行显示,并通过显示面板中各个像素单元的显示情况来判断该显示面板是否正常。当开关单元处于关断状态时,此时各个信号线不再短接,因此可以通过施加相应的显示信号,以使显示面板中的各个像素单元进行显示。
这样以来,省去了现有技术中,对显示面板完成检测后,用激光器切除短路条的切除工艺,不仅提高了制造显示面板的稼动率,还因省去了切除短路条的激光器,降低了制造显示面板的生产成本。
附图说明
图1为本发明的实施例1的阵列基板的结构示意图;
图2为本发明的实施例2的阵列基板的驱动方法的流程图;
其中附图标记为:1、开关单元;2、信号线;3、短路条;4、控制单元;5、检测单元;6、控制线。
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:
如图1所示,本实施例提供一种阵列基板,其包括:基底、多条信号线2、短路条3、开关单元1;具体的,多条信号线2设置在基底上;每条信号线2连接与其对应的短路条3,且在每条信号线2上均连接有开关单元1;其中,开关单元1用于控制与其连接的信号线2是否与短路条3电连接。
由于本实施例中的每条信号线2上均连接有开关单元1,且当开关单元1处于闭合状态时,与该开关单元1连接的信号线2将与短路条3电连接,以使检测信号通过短路条3输入至与该短路条3连接的信号线2上,以使与该信号线2连接的像素单元进行显示,并通过显示面板中各个像素单元的显示情况来判断该显示面板是否正常。当开关单元1处于关断状态时,此时各个信号线2不再短接,因此可以通过施加相应的显示信号,以使显示面板中的各个像素单元进行显示。这样以来,省去了现有技术中,对显示面板完成检测后,用激光器切除短路条3的切除工艺,不仅提高了制造显示面板的稼动率,还因省去了切除短路条3的激光器,降低了制造显示面板的生产成本。
实施例2:
如图1所示,本实施例提供一种阵列基板,其包括:基底、多条信号线2、短路条3、开关单元1、控制单元4。其中,多条信号线2设置在基底上;每条信号线2连接与其对应的短路条3,且在每条信号线2上均连接有开关单元1;控制单元4通过控制线6与各个开关单元1连接,用于控制开关单元1的开启与关断,从而控制与开关单元1连接的信号线2是否与短路条3电连接。
具体的,控制单元4对同一控制线6上的各开关单元1施加开启电压,以开启开关单元1,此时与该开关单元1连接的信号线2将与短路条3电连接,以使检测信号通过短路条3输入至与该短路条3连接的信号线2上,以使与该信号线2连接的像素单元进行显示,并通过显示面板中各个像素单元的显示情况来判断该显示面板是否正常;在对显示面板完成检测后,控制单元4通过控制线6对各开关单元1施加关断电压,以关断开关单元1,此时各个信号线2不再短接,因此可以通过施加相应的显示信号,以使显示面板中的各个像素单元进行显示。
其中,本实施例优选的,信号线2包括:栅线、数据线。当信号线2为数据线时,短路条3、控制线6与栅线同层设置,且三者材料相同,均由栅极金属线组成;同时,加载在信号线2、控制线6中的电信号,以及加载在短路条3中的检测信号均为数据信号。同理,当信号线2为栅线时,短路条3、控制线6与数据线同层设置,且三者材料相同,均由数据金属线组成;同时,加载在信号线2、控制线6中的电信号,以及加载在短路条3中的检测信号均为栅极信号。
以下,以信号线2为数据线对本实施例的阵列基板结构进行说明。其中,为显示同一种颜色的像素单元提供数据电压信号的数据线连接在同一条短路条3上。
其中,本实施例优选的,阵列基板还包括:检测单元5,其与短路条3连接,用于为短路条3加载检测信号。具体的,当控制单元4开启开关单元1后,检测单元5将向短路条3加载检测信号,该检测信号可通过短路条3传导至显示面板中,以对显示面板进行检测;当对显示面板完成检测后,控制单元4关断开关单元1,此时检测单元5对短路条3加载的检测信号将不再传导至显示面板,因此可以通过施加相应的显示信号,以使显示面板中的各个像素单元进行显示。
需要说明的是,在对显示面板进行检测时,由于显示面板的尺寸不同,使得传导检测信号的数据线的长度也不相同,当传导检测信号的数据线较长时,其很可能在传导检测信号的过程中,使该检测信号严重衰减,从而影响显示面板中像素单元的显示,进而影响检测结果的准确性,故优选的,短路条3的两端中的至少一端连接有检测单元5。当显示面板的尺寸较小,也即传导检测信号的数据线较短时,只需在短路条3的两端中的一端连接检测单元5,即可为显示面板提供充足的检测信号,以便于检测显示面板;当显示面板的尺寸较大,也即传导检测信号的数据线较长时,则在短路条3的两端均连接检测单元5,以防止数据线过长所导致的检测信号衰减,而影响显示面板中像素单元的显示,造成检测不精准的问题的发生。
其中,本实施例优选的,开关单元1为开关晶体管。当然,开关单元1并不局限于开关晶体管,在此不做限定。
由此可以看出,本实施例所提供的阵列基板包括开关单元1,当需要对由该阵列基板所组成的显示面板进行检测时,只需开启开关单元1,即可使检测信号通过短路条3输入至显示面板中,以对显示面板进行检测;当对显示面板检测结束后,只需关断开关单元1,即可停止向显示面板加载检测信号,以便于通过施加相应的显示信号,以使显示面板中的各个像素单元进行显示。这样以来,省去了现有技术中,对显示面板完成检测后,用激光器切除短路条3的切除工艺,从而提高了制造显示面板的稼动率;同时,在实际的检测工艺中,只需对良率较低的显示面板进行检测,对于良率较高的显示面板是不需要进行检测的,故对由本实施例所提供的阵列基板所组成的显示面板进行检测时,若该显示面板良率较高,可直接断开其阵列基板中的开关单元1,以此来省去检测该良率较高的显示面板的检测过程,提高显示面板的产能。
具体的,为了更清楚本实施例阵列基板的工作原理,以下结合该阵列基板的驱动方法进行说明。
如图2所示,本实施例中的阵列基板的驱动方法包括:
检测阶段:开启开关单元1,以使与开关单元1连接的数据线与短路条3电连接。
具体的,控制单元4对同一控制线6上的各开关单元1施加28V的开启电压,以开启开关单元1,此时与该开关单元1连接的数据线将与短路条3电连接,以使检测单元5所加载的检测信号通过短路条3输入至与该短路条3连接的数据线上,以使与该数据线连接的像素单元进行显示,并通过显示面板中各个像素单元的显示情况来判断该显示面板是否正常。需要说明的是,控制单元4施加给开关单元1的开启电压不局限于28V,只要控制单元4所施加的开启电压能够开启开关单元1即可,在此不再赘述。
显示阶段:关断开关单元1,以断开与短路条3电连接的数据线。
具体的,在对显示面板完成检测后,控制单元4通过控制线6对各开关单元1施加-8V的关断电压,以关断开关单元1,此时与该开关单元1连接的数据线也会与短路条3断开连接,且各个数据线不再短接,因此可以通过施加相应的显示信号,以使显示面板中的各个像素单元进行显示。需要说明的是,控制单元4施加给开关单元1的关断电压不局限于-8V,只要控制单元4所施加的关断电压能够关断开关单元1即可,在此不再赘述。
实施例3:
本实施例提供一种显示装置,其包括实施例1或实施例2中的阵列基板。其中,本实施例的显示装置可以为液晶面板、电子纸、OLED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。
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)
1.一种阵列基板,其特征在于,包括:
基底;
设置在基底上的多条信号线;
每条所述信号线连接与其对应的短路条,且在每条所述信号线上均连接有开关单元;其中,
所述开关单元,用于控制与其连接的所述信号线是否与所述短路条电连接。
2.根据权利要求1所述的阵列基板,其特征在于,所述阵列基板还包括:
控制单元,其连接所述开关单元,用于控制所述开关单元的开启与关断,以控制与所述开关单元连接的所述信号线是否与所述短路条电连接。
3.根据权利要求2所述的阵列基板,其特征在于,各个所述开关单元通过同一控制线与所述控制单元连接。
4.根据权利要求3所述的阵列基板,其特征在于,所述信号线包括:栅线、数据线。
5.根据权利要求4所述的阵列基板,其特征在于,当所述信号线为数据线时,所述短路条、所述控制线与栅线同层设置,且三者材料相同;
当所述信号线为栅线时,所述短路条、所述控制线与数据线同层设置,且三者材料相同。
6.根据权利要求1所述的阵列基板,其特征在于,所述阵列基板还包括:检测单元,其与所述短路条连接,用于为所述短路条加载检测信号。
7.根据权利要求6所述的阵列基板,其特征在于,所述短路条的两端中的至少一端连接有所述检测单元。
8.根据权利要求1所述的阵列基板,其特征在于,所述开关单元为开关晶体管。
9.一种阵列基板的驱动方法,其特征在于,所述阵列基板为权利要求1-8中任一项所述的阵列基板,所述阵列基板的驱动方法包括:
检测阶段:开启开关单元,以使与所述开关单元连接的信号线与短路条电连接;
显示阶段:关断所述开关单元,以断开与所述短路条电连接的所述信号线。
10.一种显示装置,其特征在于,包括权利要求1-8中任一项所述的阵列基板。
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