CN104483777A - 彩膜基板、显示装置及其检测方法 - Google Patents
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Abstract
本发明提供一种彩膜基板、显示装置及其检测方法,属于显示装置检测技术领域,其可解决现有的显示面板故障定位困难,检测效率低的问题。本发明的彩膜基板包括排成阵列的多个子像素,每个子像素中设有彩色滤光膜,且至少部分列子像素为标记列子像素,标记列子像素中有部分子像素的彩色滤光膜与该列中其余子像素的彩色滤光膜形状不同。本发明的显示装置包括上述彩膜基板。本发明的彩膜基板可用于显示装置中,尤其用于采用双侧GOA电路的显示装置中。
Description
技术领域
本发明属于显示装置检测技术领域,具体涉及一种彩膜基板、显示装置及其检测方法。
背景技术
GOA(Gate Driver On Array)电路是指直接制备在阵列基板上的栅极线驱动电路。GOA电路包括多级依次连接的移位寄存器,每个移位寄存器驱动一条栅极线,并为下一级移位寄存器提供开启信号,从而GOA电路整体上可实现使栅极线逐条导通的目的。从空间占用等方面考虑,也有部分显示装置采用双侧GOA电路,即在阵列基板两侧各设有一个GOA电路,分别用于驱动奇数行和偶数行的栅极线。
当GOA电路的某个位置存在短接、断开等故障时,会将导致故障位置之后的各级移位寄存器不能正常工作,进而导致显示异常。对于采用双侧GOA电路的显示面板,若其某一侧的GOA电路出现故障,则会如图1所示,从显示面板的某个位置开始,之后的子像素出现隔行显示不良(也称“分屏异显不良”)。当出现这种现象时,可以知道是一侧的GOA电路出现问题,但由于子像素行数很多,故无法确定出现故障的是奇数行子像素还是偶数行子像素,也就无法确定是哪侧的GOA电路出现问题。因此,在检测过程中只能拆开显示面板,对两侧的GOA电路都进行分析检测,从而导致故障定位困难,检测效率低。
发明内容
本发明针对现有的显示面板故障定位困难,检测效率低的问题,提供一种易于迅速定位故障的彩膜基板和显示装置及其检测方法。
解决本发明技术问题所采用的技术方案是一种彩膜基板,其包括排成阵列的多个子像素,每个子像素中设有彩色滤光膜,且
至少部分列子像素为标记列子像素,标记列子像素中有部分子像素的彩色滤光膜与该列中其余子像素的彩色滤光膜形状不同。
其中,本发明所称的“列”是指子像素的一个排列方向,其与“行”相互垂直。应当理解,此处的行、列是按照子像素的排列方式得出的相对方向,故与彩膜基板本身的形状、放置形式、观察角度等均无关系。
优选的是,所述标记列子像素中的部分子像素为标准子像素,其余为标记子像素;各所述标准子像素的彩色滤光膜形状相同,所述标记子像素的彩色滤光膜与标准子像素的彩色滤光膜形状不同。
进一步优选的是,在所述标记列子像素中,每间隔N个标准子像素设有至少一个标记子像素,N为正整数。
进一步优选的是,所述N为1,每间隔N个标准子像素设有一个标记子像素。
进一步优选的是,所述标记子像素分为至少两种类型,不同类型的标记子像素的彩色滤光膜的形状不同。
进一步优选的是,各所述标记子像素的彩色滤光膜形状相同。
进一步优选的是,除所述标记列子像素外的其余子像素均为标准子像素。
优选的是,所述标记列子像素的数量为一列。
进一步优选的是,所述标记列子像素为彩膜基板最边侧的两列子像素中的一列。
优选的是,同列子像素的彩色滤光膜的颜色相同。
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:
上述的彩膜基板。
优选的是,所述显示装置还包括与所述彩膜基板对盒的阵列基板,所述阵列基板包括多条栅极线和两个GOA电路,每条栅极线对应彩膜基板的一行子像素,两个GOA电路中的一个驱动奇数行栅线,另一个驱动偶数行栅线;且所述彩膜基板为上述标准子像素和标记子像素轮流排列在标记列子像素中显示装置。
解决本发明技术问题所采用的技术方案是一种显示装置的检测方法,其中,显示装置为上述采用双侧GOA电路的显示装置,其检测方法具体包括:
在检测过程中,通过所述标记列子像素中的标记子像素区分所述显示装置的奇数行和偶数行。
本发明的彩膜基板可用于显示装置中,尤其用于采用双侧GOA电路的显示装置中。
附图说明
图1为现有的显示面板出现隔行异常的示意图;
图2为本发明的实施例的一种彩膜基板的结构示意图;
其中,附图标记为:11、标准子像素;12、标记子像素;21、标准子像素的彩色滤光膜;22、标记子像素的彩色滤光膜;3、标记列子像素。
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2所示,本实施例提供一种彩膜基板,其包括排成阵列的多个子像素,每个子像素中设有彩色滤光膜。
可见,彩膜基板包括多个子像素,在其组成显示装置后,每个子像素对应显示装置的一个子像素。而彩膜基板的每个子像素包括彩色滤光膜和围绕彩色滤光膜的黑矩阵,彩色滤光膜用于使透过的光变为对应的颜色,而黑矩阵用于阻止不希望的光透过。
优选的,同列子像素的彩色滤光膜的颜色相同。
也就是说,同一列的子像素优选为相同的颜色,这样比较便于彩色滤光膜的制备,且当一列子像素颜色相同时不能通过颜色区分出不同行,故本实施例的方案对这种彩膜基板更适用。
本实施例的彩膜基板中,至少部分列子像素为标记列子像素3,标记列子像素3中有部分子像素的彩色滤光膜与该列中其余子像素的彩色滤光膜形状不同。
在现有的彩色彩膜基板中,所有子像素的彩色滤光膜形状都是相同的(当然颜色可不同),故无法区分出不同的行,给故障定位造成困难。而如图2所示,在本实施例的彩膜基板中,至少有一部分列的子像素为“标记列子像素3”,在这些标记列中,至少有一部分子像素的彩色滤光膜的形状与其余的子像素的彩色滤光膜的形状不同,因此,可以这些形状不同的子像素作为标记点,判断出其所处的行,进而进行故障定位。当然,在其他“非标记列”的子像素中,同列中全部子像素的彩色滤光膜的形状是相同的。
显然,从减小对显示效果影响的角度考虑,以上彩色滤光膜间形状的差别应尽量的小,只要在显微镜下能将二者区分开即可。例如,可如图2所示,其中标准子像素的彩色滤光膜21为缺角的矩形,而标记子像素的彩色滤光膜22为完整的矩形。
当然,本实施例中的彩色滤光膜形状的不同不限于此。例如,可在某子像素的彩色滤光膜的部分位置上叠加设置其他额外的标记(如小三角、小圆形、小星星等),这样该子像素的彩色滤光膜的形状也与其他子像素不同。再如,也可以“挖去”某子像素的彩色滤光膜的一部分,并在其中填入其他的彩色滤光膜,这样也可使子像素的彩色滤光膜的形状不同。总之,只要两个子像素中,不是全部彩色滤光膜的结构(不包括颜色)都完全相同,则就可认为二者的彩色滤光膜的形状是不同的。
优选的,标记列子像素3中的部分子像素为标准子像素11,其余为标记子像素12。更优选的,除标记列子像素3外的其余子像素均为标准子像素11。其中,各标准子像素的彩色滤光膜21形状相同,而标记子像素的彩色滤光膜22与标准子像素的彩色滤光膜21形状不同。
显然,彩色滤光膜形状的改变会影响显示效果,为尽量减少彩色滤光膜形状的变化对显示效果的影响,故作为本实施例的一种优选方式,彩膜基板中的多数子像素可仍为常规的正常子像素(标准子像素11),这些标准子像素的彩色滤光膜21的形状都相同,故不会影响显示效果。而其余的子像素为用于进行区分的标记子像素12,标记子像素的彩色滤光膜22的形状与标准子像素的彩色滤光膜21的形状不同,故可被区分出来。
优选的,各标记子像素的彩色滤光膜22形状相同。
显然,当各标记子像素的彩色滤光膜22形状相同时,其仍可起到区分的作用,同时这样的标记子像素12易于制造,且对显示效果的影响最小。
优选的,作为本实施例的另一种方式,标记子像素12分为至少两种类型,且不同类型的标记子像素的彩色滤光膜22的形状不同。
也就是说,各标记子像素的彩色滤光膜22的形状可以不是全都相同的,而是也分为多种不同的形式。例如,若标准子像素的彩色滤光膜21为上述缺角的矩形,则可以是有的标记子像素的彩色滤光膜22为完整矩形,有的为边上缺一块的矩形,有的为部分位置上设有额外的标记等。通过多种标记子像素12的混合使用,可实现更好的区分效果。例如,标记子像素12分为第一类型和第二类型两种,则可以是常规子像素对应第3M(M为正整数)行,第一类型的标记子像素12对应第(3M+1)行,第二类型的标记子像素12对应第(3M+2)行。
优选的,在标记列子像素3中,每间隔N个标准子像素11设有至少一个标记子像素12。
作为本实施例的一种优选方式,在标记列子像素3中,可以是每隔N个标准子像素11设有一个标记子像素12。这样,只要N的个数不是太大,就可用标记子像素12为基准来确定不同的行。例如,若N=3,且标准子像素11位于4M(M为正整数)行,则标准子像素11以下的第一行即为(4M+1)行,以下的第二行即为(4M+2)行,以下的第三行即为(4M+3)行。之所以优选采用以上方案,是因为这样可在标记子像素12形式最简单(全部标记子像素的彩色滤光膜22形状相同)的情况下,实现足够的区分效果。
更优选的,以上的N为1,每间隔N个标准子像素设有一个标记子像素12。
也就是说,标记列子像素3最优选按照“标准子像素11-标记子像素12-标准子像素11-标记子像素12”的方式逐一轮流排列。这样,在标记列子像素3中,必然是标准子像素11和标记子像素12中的一种全部位于奇数行,另一种全部位于偶数行。而最常用的需要区分行数的情况是在采用双侧GOA电路的显示装置的检测过程中,此时通常只要区分出奇偶行即可,而以上形式的彩膜基板即可用最简单的结构实现该目的。
当然,显示装置也可能需要按其他的方式区分行,此时只要相应调整标记子像素12的情况即可。
例如,若显示装置两侧分别各有两个GOA电路,则栅线的驱动也就变成每4个为一循环的方式了。相应的,此时可采用上述的N=3的方式,即每4行中有一个标记子像素12,通过该标记子像素12即可间接确定其他的行。或者,此时也可采用上述标记子像素12分为多种类型的形式,例如,可设置三种不同类型的标记子像素12,使它们分别对应(4M+1)行、(4M+2)行、(4M+3)行,而标准子像素11对应4M行,这样也可完全区分每个GOA电路所对应的行。
具体的,通过组合设置标记子像素12的位置、类型等,可以实现很多种不同的区分行情况,在此就不再逐一详细描述。
优选的,标记列子像素3的数量为一列;更优选的,标记列子像素3为彩膜基板最边侧的两列子像素中的一列。
也就是说,如图2所示,标记列子像素3只要有一列即可,且该标记列子像素3优选位于彩膜基板的最边上。显然,在很多情况下,通过一列标记列子像素3已经可以达到区分不同行的目的,故为了减小对显示效果的影响,标记列子像素3的数量应尽量的少。而标记列子像素3若位于彩膜基板的最边上,则可被很容易的找到,最方便识别。
当然,若标记列子像素3有多列也是可行的,或标记列子像素3也可位于彩膜基板中部等其他位置。例如,可有多个标记列子像素3,不同标记列子像素3中标记子像素12的所在的行号也不同,第一列中标记子像素12在第一行,第二列中的标记子像素12在第二行等,这样通过多个标记列子像素3的共同作用可进行更详细的判断(例如可判断出具体列号等)。
本实施例还提供一种显示装置,其包括上述的彩膜基板。
其中,该显示装置可以为有机发光二极管(OLED)显示装置、液晶显示装置、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,在此不再详细限定。
优选的,显示装置还包括与彩膜基板对盒的阵列基板,阵列基板包括多条栅极线和两个GOA电路,每条栅极线对应彩膜基板的一行子像素,两个GOA电路中的一个驱动奇数行栅线,另一个驱动偶数行栅线;且此时,彩膜基板更优选为上述标准子像素11和标记子像素12轮流排列在标记列子像素3中的显示装置。
也就是说,本实施例的彩膜基板优选用于采用双侧GOA电路的显示装置中。
本实施例还提供一种显示装置的检测方法,其中,显示装置为上述采用双侧GOA电路的显示装置,其检测方法具体包括:
在检测过程中,通过标记列子像素3中的标记子像素12区分显示装置的奇数行和偶数行。
也就是说,在采用双侧GOA电路的显示装置的检测过程中,若一侧的GOA电路出现故障,则表现为显示装置从某位置开始出现隔行显示异常,而此时只要观察出现异常的行对应的是标准子像素11还是标记子像素12,即可确定其是奇数行还是偶数行,进而确定出现故障的是哪个的GOA电路,从而直接对该GOA电路进行检测分析,以达到准确定位故障、提高检测效率的目的。
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 (13)
1.一种彩膜基板,包括排成阵列的多个子像素,每个子像素中设有彩色滤光膜,其特征在于,
至少部分列子像素为标记列子像素,所述标记列子像素中有部分子像素的彩色滤光膜与该列中其余子像素的彩色滤光膜形状不同。
2.根据权利要求1所述的彩膜基板,其特征在于,
所述标记列子像素中的部分子像素为标准子像素,其余为标记子像素;各所述标准子像素的彩色滤光膜形状相同,所述标记子像素的彩色滤光膜与标准子像素的彩色滤光膜形状不同。
3.根据权利要求2所述的彩膜基板,其特征在于,
在所述标记列子像素中,每间隔N个标准子像素设有至少一个标记子像素,N为正整数。
4.根据权利要求3所述的彩膜基板,其特征在于,
所述N为1,每间隔N个标准子像素设有一个标记子像素。
5.根据权利要求2所述的彩膜基板,其特征在于,
所述标记子像素分为至少两种类型,不同类型的标记子像素的彩色滤光膜的形状不同。
6.根据权利要求2所述的彩膜基板,其特征在于,
各所述标记子像素的彩色滤光膜形状相同。
7.根据权利要求2所述的彩膜基板,其特征在于,
除所述标记列子像素外的其余子像素均为标准子像素。
8.根据权利要求1所述的彩膜基板,其特征在于,
所述标记列子像素的数量为一列。
9.根据权利要求8所述的彩膜基板,其特征在于,
所述标记列子像素为彩膜基板最边侧的两列子像素中的一列。
10.根据权利要求1所述的彩膜基板,其特征在于,
同列子像素的彩色滤光膜的颜色相同。
11.一种显示装置,其特征在于,包括:
权利要求1至10中任意一项所述的彩膜基板。
12.根据权利要求11所述的显示装置,其特征在于,还包括与所述彩膜基板对盒的阵列基板,所述阵列基板包括多条栅极线和两个GOA电路,每条栅极线对应彩膜基板的一行子像素,两个GOA电路中的一个驱动奇数行栅线,另一个驱动偶数行栅线;
所述彩膜基板为权利要求4所述的彩膜基板。
13.一种显示装置的检测方法,其特征在于,所述显示装置为权利要求12所述的显示装置,所述显示装置的检测方法包括:
在检测过程中,通过所述标记列子像素中的标记子像素区分所述显示装置的奇数行和偶数行。
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WO2016107187A1 (zh) * | 2015-01-04 | 2016-07-07 | 京东方科技集团股份有限公司 | 彩膜基板、显示装置及其检测方法 |
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