CN110928029B - 彩色滤光片及其制造方法和显示装置 - Google Patents
彩色滤光片及其制造方法和显示装置 Download PDFInfo
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Abstract
一种彩色滤光片及其制造方法和显示装置,其中彩色滤光片包括:基板;多个子像素区,其中每一子像素区包含第一讯号区及第二讯号区,以及设置于第一讯号区及第二讯号区间的雷射路径;第一遮光片,设置于第一讯号区,第一遮光片上覆盖第一氧化铟锡层;以及第二遮光片,设置于第二讯号区,第二遮光片上覆盖第二氧化铟锡层;其中第一讯号区通过第一氧化铟锡层接收讯号,第二讯号区通过第二氧化铟锡层接收讯号,从而改善由于氧化铟锡层的区域讯号阻抗差异而导致的讯号传输延迟问题。
Description
【技术领域】
本揭示涉及显示技术领域,具体涉及一种彩色滤光片及其制造方法和显示装置。
【背景技术】
随着液晶显示器(Liquid Crystal Display,LCD)器件的飞速发展,采用在彩色滤光片(Color Filter,CF)侧多晶片同步固化(Curing)的技术需求越来越迫切。在现有技术中,通过在彩色滤光片(Color Filter,CF)侧对氧化铟锡(Indium Tin Oxides,ITO)层进行镭射,将产品分区而后进行给电固化。请参阅图1,图1显示现有技术中对彩色滤光片上的氧化铟锡层输出镭射的镭射示意图。其中,通过对彩色滤光片侧的氧化铟锡层CF ITO沿着镭射切割线L1输出镭射将彩色滤光片侧的氧化铟锡层CF ITO分成L区及H区,以便在彩色滤光片(Color Filter,CF)侧氧化铟锡层上L区及H区分别输入低电压讯号L和高电压讯号H。
其中,镭射切割路径及分割的区域面积受限于边界遮光区域(black matrix,BM)的排版及晶片之间空置区域大小,请参阅图2,图2显示镭射输出的过程中镭射到遮光膜的示意图。当镭射10输出到遮光膜20,除了会破坏遮光膜完整性,导致漏光的问题之外,还会影响到氧化铟锡层的导电性。
除此之外,现有技术中,高电位讯号ITO区域面积大,仅受限外围空置(dummy)空间区域的排版限制,然而,低电位讯号ITO区域面积小,讯号阻抗相对大。由于低电位ITO区域讯号阻抗相对大,使讯号传输速度受影响,易发生延迟。详细而言,请参阅图3,图3显示现有技术中,高电位讯号ITO区域H与低电位讯号ITO区域L的分布示意图。
故,有需要提供一种彩色滤光片及其制造方法和显示装置,以解决现有技术存在的问题。
【发明内容】
为解决上述问题,本揭示提出一种彩色滤光片及其制造方法和显示装置,从而改善由于氧化铟锡层的区域讯号阻抗差异而导致的讯号延迟问题。
为达成上述目的,本揭示提供一种彩色滤光片,包括:基板;多个子像素区,其中每一子像素区包含第一讯号区及第二讯号区,以及设置于所述第一讯号区及所述第二讯号区间的雷射路径;第一遮光片,设置于所述第一讯号区,所述第一遮光片上覆盖第一氧化铟锡层;以及第二遮光片,设置于所述第二讯号区,所述第二遮光片上覆盖第二氧化铟锡层;其中所述第一讯号区通过所述第一氧化铟锡层接收讯号,所述第二讯号区通过所述第二氧化铟锡层接收讯号。
于本揭示其中的一实施例中,所述雷射路径的路径宽度大于450um。
于本揭示其中的一实施例中,所述第一遮光片的面积小于所述第二遮光片的面积,所述第一讯号区通过所述第一氧化铟锡层接收低压讯号,所述第二讯号区通过所述第二氧化铟锡层接收高压讯号。
于本揭示其中的一实施例中,所述第一讯号区的区域面积小于所述第二讯号区的区域面积,所述第一讯号区通过所述第一氧化铟锡层接收低压讯号,所述第二讯号区通过所述第二氧化铟锡层接收高压讯号。
为达成上述目的,本揭示还提供一种彩色滤光片的制造方法,包括:形成基板,所述基板包含多个子像素区;形成第一遮光片与第二遮光片于所述基板的每一子像素区中;形成氧化铟锡层于所述第一遮光片与所述第二遮光片上方;以及施加镭射于所述氧化铟锡层形成雷射路径;其中,所述雷射路径将所述氧化铟锡层区分为覆盖所述第一遮光片的第一氧化铟锡层与覆盖所述第二遮光片的第二氧化铟锡层,将所述子像素区区分为包含所述第一遮光片及所述第一氧化铟锡层的第一讯号区及包含所述第二遮光片及所述第二氧化铟锡层的第二讯号区。
于本揭示其中的一实施例中,所述雷射路径的路径宽度大于450um。
于本揭示其中的一实施例中,所述第一遮光片的面积小于所述第二遮光片的面积,所述第一讯号区通过所述第一氧化铟锡层接收低压讯号,所述第二讯号区通过所述第二氧化铟锡层接收高压讯号。
为达成上述目的,本揭示再提供一种显示装置,包括:第一基板;多个金属层,设置在所述第一基板上;钝化层,设置为覆盖所述第一基板及所述多个金属层;多个色阻,设置在所述钝化层上;平坦化层,设置为包覆所述多个色阻及所述钝化层;第二基板,设置在相对所述第一基板的另一侧;多个子像素区,设置在所述第二基板下方,其中每一子像素区包含第一讯号区及第二讯号区,以及设置于所述第一讯号区及所述第二讯号区间的雷射路径;第一遮光片,设置于所述第一讯号区,所述第一遮光片被第一氧化铟锡层覆盖;第二遮光片,设置于所述第二讯号区,所述第二遮光片被第二氧化铟锡层覆盖;以及间隔层,具有第一端面及第二端面,所述第一端面接触所述平坦化层,所述第二端面接触所述第一氧化铟锡层及所述第二氧化铟锡层;其中所述第一讯号区通过所述第一氧化铟锡层接收讯号,所述第二讯号区通过所述第二氧化铟锡层接收讯号,所述多个色阻的设置位置对准在所述雷射路径的设置位置下方。
于本揭示其中的一实施例中,所述第一遮光片的面积小于所述第二遮光片的面积,所述第一讯号区通过所述第一氧化铟锡层接收低压讯号,所述第二讯号区通过所述第二氧化铟锡层接收高压讯号。
于本揭示其中的一实施例中,所述多个色阻堆叠的设置在所述钝化层上,其中所述多个色阻重叠部份的宽度大于所述雷射路径的宽度。
【附图说明】
图1显示显示现有技术中对彩色滤光片上的氧化铟锡层输出镭射的镭射示意图;
图2显示镭射输出破坏遮光膜的示意图;
图3显示现有技术的彩色滤光片上视图;
图4显示根据本揭示的一实施例的彩色滤光片上视图;
图5显示根据本揭示的一实施例提供的一种彩色滤光片制造方法流程图;
图6显示根据本揭示的一实施例的显示装置横截面图。
【具体实施方式】
以下实施例的说明是参考附加的图示,用以例示本揭示可用以实施的特定实施例。本揭示所提到的方向用语,例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等,仅是参考附加图式的方向。因此,使用的方向用语是用以说明及理解本揭示,而非用以限制本揭示。
在图中,结构相似的单元是以相同标号表示。
为解决上述问题,本揭示提出一种彩色滤光片及其制造方法和显示装置,以改善由于氧化铟锡层的区域讯号阻抗差异而导致的讯号延迟问题。
请参阅图4,图4显示根据本揭示的一实施例的彩色滤光片上视图。其中,本揭示提供一种彩色滤光片100,包括:基板;多个子像素区,设置在基板上,其中每一子像素区包含第一讯号区111及第二讯号区112,以及设置于第一讯号区111及第二讯号区112间的雷射路径113;第一遮光片1111,设置于第一讯号区111,第一遮光片1111上覆盖第一氧化铟锡层;以及第二遮光片1112,设置于第二讯号区112,第二遮光片1112上覆盖第二氧化铟锡层;其中第一讯号区111通过第一氧化铟锡层接收讯号,第二讯号区112通过第二氧化铟锡层接收讯号,通过上述设置,相较于图3揭示的高电位讯号ITO区域H与低电位讯号ITO区域L,本发明提供彩色滤光片中第一讯号区111及第二讯号区112的区域面积差异更低,进一步改善第一讯号区111及第二讯号区112的区域讯号阻抗差异而导致的讯号延迟问题,同时通过雷射路径113的设计,避免镭射到遮光膜而致使遮光膜被破坏以及降低对氧化铟锡层的电性影响。
其中,第一讯号区111及第二讯号区112分别连接讯号源1110,其中图4是为标明讯号源而将讯号源1110标示在第一讯号区111与第二讯号区112之间,然而,本发明不限于此,讯号源1110也可设置在非第一讯号区111与第二讯号区112之间的其他位置,例如,彩色滤光片100之外。
其中,雷射路径的路径宽度是根据雷射的精度及共振腔长度而决定。举例而言,于本揭示其中的一实施例中,雷射路径113的路径宽度大于450um。
于本揭示其中的一实施例中,第一遮光片1111的面积小于第二遮光片1112的面积,第一讯号区111通过第一氧化铟锡层接收低压讯号,第二讯号区112通过第二氧化铟锡层接收高压讯号。换言之,遮光片面积较小的区域为低讯号区,遮光片面积较大的区域为高讯号区。
或者,于本揭示其中的一实施例中,第一讯号区111的区域面积小于第二讯号区112的区域面积,第一讯号区111通过第一氧化铟锡层接收低压讯号,第二讯号区112通过第二氧化铟锡层接收高压讯号。换言之,区域面积较小的区域为低讯号区,区域面积较大的区域为高讯号区。
请参照图5,图5显示本揭示的一实施例提供的一种彩色滤光片制造方法流程图,包括:
流程S1:形成基板,基板包含多个子像素区;
流程S2:形成第一遮光片与第二遮光片于基板的每一子像素区中;
流程S3:形成氧化铟锡层于第一遮光片与第二遮光片上方;以及
流程S4:施加镭射于氧化铟锡层形成雷射路径;
其中,雷射路径将氧化铟锡层区分为覆盖第一遮光片的第一氧化铟锡层与覆盖第二遮光片的第二氧化铟锡层,将子像素区区分为包含第一遮光片及第一氧化铟锡层的第一讯号区及包含第二遮光片及第二氧化铟锡层的第二讯号区。
请参照图6,本揭示还提出一种显示装置10,包括:第一基板200;多个金属层210,设置在第一基板200上;钝化层220,设置为覆盖第一基板200及多个金属层210;多个色阻230,设置在钝化层220上;平坦化层240,设置为包覆多个色阻230及钝化层220。其中,金属层210可用于遮光。
请一并参照图4与图6,显示装置10还包括如上的彩色滤光片100,设置在相对第一基板200的另一侧,包含彩色滤光片基板110;多个子像素区,设置在彩色滤光片基板110下方,其中每一子像素区包含第一讯号区111及第二讯号区112,以及设置于第一讯号区111及第二讯号区112间的雷射路径113;第一遮光片1111,设置于第一讯号区111,第一遮光片1111被第一氧化铟锡层11111覆盖;第二遮光片1112,设置于第二讯号区112,第二遮光片1112被第二氧化铟锡层11112覆盖;以及间隔层300,具有第一端面301及第二端面302,第一端面301接触平坦化层240,第二端面302接触第一氧化铟锡层及第二氧化铟锡层;其中第一讯号区111通过第一氧化铟锡层接收讯号,第二讯号区112通过第二氧化铟锡层接收讯号,多个色阻230的设置位置对准在雷射路径113的设置位置下方。
于本揭示的一实施例中,第一基板200与彩色滤光片基板110为玻璃基板。
于本揭示的一实施例中,平坦化层240是由有机材料构成。
于本揭示的一实施例中,平坦化层240是由聚合物薄膜构成。
于本揭示的一实施例中,雷射路径113的路径宽度大于450um。
于本揭示的一实施例中,雷射路径113的路径宽度大于450um,不大于所施加雷射精度的2倍范围。
于本揭示的一实施例中,在雷射路径113中相邻的第一遮光片1111与第二遮光片1112的间距f大于450um。
于本揭示的一实施例中,在雷射路径113中相邻的第一遮光片1111与第二遮光片1112的间距f大于450um,不大于所施加雷射精度的2倍范围。
于本揭示的一实施例中,多个色阻230堆叠的设置在钝化层220上,其中多个色阻230重叠部份的宽度d大于雷射路径113的宽度。
于本揭示的一实施例中,多个色阻230堆叠的设置在钝化层220上,其中多个色阻230重叠部份的宽度d大于在雷射路径113中相邻的第一遮光片1111与第二遮光片1112的间距f。
由于本揭示所提供的一种彩色滤光片及其制造方法和显示装置,其中彩色滤光片包括:基板;多个子像素区,其中每一子像素区包含第一讯号区及第二讯号区,以及设置于第一讯号区及第二讯号区间的雷射路径;第一遮光片,设置于第一讯号区,第一遮光片上覆盖第一氧化铟锡层;以及第二遮光片,设置于第二讯号区,第二遮光片上覆盖第二氧化铟锡层;其中第一讯号区通过第一氧化铟锡层接收讯号,第二讯号区通过第二氧化铟锡层接收讯号,从而改善由于氧化铟锡层的区域讯号阻抗差异而导致的讯号传输延迟问题。
以上仅是本揭示的优选实施方式,应当指出,对于本领域普通技术人员,在不脱离本揭示原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本揭示的保护范围。
Claims (10)
1.一种彩色滤光片,其特征在于,包括:
彩色滤光片基板;
多个子像素区,其中每一子像素区包含第一讯号区及第二讯号区,以及设置于所述第一讯号区及所述第二讯号区间的雷射路径;
第一遮光片,设置于所述第一讯号区,所述第一遮光片上覆盖第一氧化铟锡层;以及
第二遮光片,设置于所述第二讯号区,所述第二遮光片上覆盖第二氧化铟锡层;
其中所述第一讯号区通过所述第一氧化铟锡层接收讯号,所述第二讯号区通过所述第二氧化铟锡层接收讯号。
2.如权利要求1所述之彩色滤光片,其特征在于,所述雷射路径的路径宽度大于450um。
3.如权利要求1所述之彩色滤光片,其特征在于,所述第一遮光片的面积小于所述第二遮光片的面积,所述第一讯号区通过所述第一氧化铟锡层接收低压讯号,所述第二讯号区通过所述第二氧化铟锡层接收高压讯号。
4.如权利要求1所述之彩色滤光片,其特征在于,所述第一讯号区的区域面积小于所述第二讯号区的区域面积,所述第一讯号区通过所述第一氧化铟锡层接收低压讯号,所述第二讯号区通过所述第二氧化铟锡层接收高压讯号。
5.一种彩色滤光片的制造方法,其特征在于,包括:
形成基板,所述基板包含多个子像素区;
形成第一遮光片与第二遮光片于所述基板的每一子像素区中;
形成氧化铟锡层覆盖所述第一遮光片与所述第二遮光片;以及
施加镭射于所述第一遮光片与所述第二遮光片的间距的位置的部份所述氧化铟锡层形成雷射路径,所述雷射路径的宽度小于所述第一遮光片与所述第二遮光片的间距,所述镭射不施加至所述第一遮光片与所述第二遮光片;
其中,所述雷射路径将所述氧化铟锡层区分为覆盖所述第一遮光片的第一氧化铟锡层与覆盖所述第二遮光片的第二氧化铟锡层,将所述子像素区区分为包含所述第一遮光片及所述第一氧化铟锡层的第一讯号区及包含所述第二遮光片及所述第二氧化铟锡层的第二讯号区。
6.如权利要求5所述之彩色滤光片的制造方法,其特征在于,所述雷射路径的路径宽度大于450um。
7.如权利要求5所述之彩色滤光片的制造方法,其特征在于,所述第一遮光片的面积小于所述第二遮光片的面积,所述第一讯号区通过所述第一氧化铟锡层接收低压讯号,所述第二讯号区通过所述第二氧化铟锡层接收高压讯号。
8.一种显示装置,其特征在于,包括:
第一基板;
多个金属层,设置在所述第一基板上;
钝化层,设置为覆盖所述第一基板及所述多个金属层;
多个色阻,设置在所述钝化层上;
平坦化层,设置为包覆所述多个色阻及所述钝化层;
如权利要求1所述的彩色滤光片,设置在相对所述第一基板的另一侧;以及
间隔层,具有第一端面及第二端面,所述第一端面接触所述平坦化层,所述第二端面接触所述第一氧化铟锡层及所述第二氧化铟锡层;
其中所述多个色阻的设置位置对准在所述雷射路径的设置位置下方。
9.如权利要求8所述之显示装置,其特征在于,所述雷射路径的路径宽度大于450um。
10.如权利要求8所述之显示装置,其特征在于,所述多个色阻堆叠的设置在所述钝化层上,其中所述多个色阻重叠部份的宽度大于所述雷射路径的宽度。
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