CN104102383B - 彩膜基板、液晶模组及触控显示装置 - Google Patents

彩膜基板、液晶模组及触控显示装置 Download PDF

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CN104102383B
CN104102383B CN201410334976.2A CN201410334976A CN104102383B CN 104102383 B CN104102383 B CN 104102383B CN 201410334976 A CN201410334976 A CN 201410334976A CN 104102383 B CN104102383 B CN 104102383B
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CN104102383A (zh
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王大鹏
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BOE Technology Group Co Ltd
BOE Hebei Mobile Display Technology Co Ltd
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    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
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    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
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Abstract

本发明涉及显示技术领域，特别涉及一种彩膜基板、液晶模组及触控显示装置。该彩膜基板包括：触控用柔性印刷电路绑定区域，用于绑定触控用柔性印刷电路；以及，黑矩阵区域，用于遮光；其中，所述触控用柔性印刷电路绑定区域与所述黑矩阵区域为相互独立的两个区域，所述两个区域无重叠区域或部分重叠区域；并且，所述触控用柔性印刷电路绑定区域底部透明。本发明重新设计外挂式触控结构，通过使TFPC底部为透明玻璃状态，无BM遮挡，从而能够使用日常显微镜从背面监控TFPC绑定状况及导电粒子状态，很大程度上提升了外挂式触控TFOG工艺品质良率，使以前不可控生产成为可监控生产，很大程度上减少事故发生率，避免不必要的品质事故。

Description

彩膜基板、液晶模组及触控显示装置
技术领域
本发明涉及显示技术领域，特别涉及一种彩膜基板、液晶模组模组及触控显示装置。
背景技术
目前，外挂式触控(Touch on cell)技术逐渐推广，其主要做法是将触摸屏嵌入到显示屏的彩色滤光片基板和偏光片之间，即在液晶面板上配触摸传感器。在现有的显示屏技术中，常规的液晶模组包括上偏光片、彩膜基板(含黑矩阵BM(遮光区))、液晶、阵列基板、下偏光片、以及背光模组(含BM区域)。在常规的液晶模组中，在触控用柔性印刷电路(Touch Flexible Printed Circuit，TFPC)绑定技术环节存在这样一个问题：外挂式触控技术将触控用柔性印刷电路绑定在彩膜基板的上层，而普通显微镜无法穿透FPC及金手指来检测FPC绑定状态，在红外光显微镜下仅能勉强观测错位情况，无法检测导电粒子情况。因此，在现有的Touch FPC绑定技术环节，上层为FPC、下层为BM区域的结构导致两面都无法监控FPC绑定状态。在无检测监控的条件下生产会造成TouchFPC绑定环节工艺品质无法保证，造成盲目绑定状态，这样就存在很大风险，一旦出现绑定问题将损失严重。
发明内容
(一)要解决的技术问题
本发明要解决的技术问题是如何实现将触控用FPC绑定在玻璃上(TFOG，Touch FPC On Glass)的工艺在可控条件下进行，从而提升良率和减少损失。
(二)技术方案
为了解决上述技术问题，本发明提供一种彩膜基板，包括：触控用柔性印刷电路绑定区域，用于绑定触控用柔性印刷电路；以及，黑矩阵区域，用于遮光；其中，所述触控用柔性印刷电路绑定区域与所述黑矩阵区域为相互独立的两个区域，所述两个区域无重叠区域或部分重叠区域；并且，所述触控用柔性印刷电路绑定区域底部透明。
优选地，所述彩膜基板为玻璃基板，所述触控用柔性印刷电路绑定区域底部为透明玻璃。
另一方面，本发明还提供一种液晶模组，其包括上述任一种彩膜基板。
优选地，还包括：阵列基板，与所述彩膜基板相对设置，所述阵列基板上与所述触控用柔性印刷电路绑定区域相对应的区域透明，并且该区域不设置线路。
优选地，所述阵列基板为玻璃基板。
优选地，还包括：第一偏光片，与所述彩膜基板相对设置，并且位于与所述阵列基板所在一侧相对的另一侧；第二偏光片，与所述阵列基板相对设置，并且位于与所述彩膜基板所在一侧相对的另一侧；其中，所述第一偏光片和所述第二偏光片与所述触控用柔性印刷电路绑定区域之间无重叠区域或部分重叠区域。
本发明还提供一种触控显示装置，其包括上述任一种液晶模组。
(三)有益效果
本发明重新设计外挂式触控结构，通过使TFPC底部为透明玻璃状态，无BM遮挡，从而能够使用日常显微镜从背面监控TFPC绑定状况及导电粒子状态，很大程度上提升了外挂式触控TFOG工艺品质良率，使以前不可控生产成为可监控生产，很大程度上减少事故发生率，避免不必要的品质事故。
附图说明
图1为根据本发明实施例液晶模组结构示意图；
图2为根据本发明实施例的液晶模组背光结构示意图；
标记说明：
1：TFT阵列基板；2：彩膜基板；3：TFPC绑定区域；4：黑矩阵；5：集成电路(IC)；6：面板FPC绑定区域；7：显示区域(AA区)；8：背光BM区域。
具体实施方式
下面结合附图和实施例，对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明，但不用来限制本发明的范围。
如图1所示，根据本发明第一实施例，提供一种彩膜基板2，该彩膜基板2包括触控用柔性印刷电路(TFPC)绑定区域3和黑矩阵BM区域4。
其中，所述TFPC绑定区域3用于绑定触控用柔性印刷电路，并且，其底部透明，而所述BM区域4用于遮光。
其中，所述TFPC绑定区域3与所述BM区域4为相互独立的两个区域，两个区域无重叠区域或部分重叠区域；并且，所述触控用柔性印刷电路绑定区域底部透明设置。
具体地，所述彩膜基板2可以为玻璃基板，所述TFPC绑定区域3的底部可以为透明玻璃。
实际上，相当于增加原有彩膜玻璃基板的长度，其额外增加的部分用于触控用柔性印刷电路的绑定，但是BM区域4大小不变，形成BM在长方向上小于CF玻璃长度，预留出FPC绑定位置，并保证底部为透明玻璃。
本发明重新设计外挂式触控结构，通过使TFPC底部为透明玻璃状态，无BM遮挡，从而能够使用日常显微镜从背面监控TFPC绑定状况及导电粒子状态，很大程度上提升了外挂式触控TFOG工艺品质良率，使以前不可控生产成为可监控生产，很大程度上减少事故发生率，避免不必要的品质事故。
另外，本发明还提供一种液晶模组，其包括上述实施例的彩膜基板。
具体的，该液晶模组还包括TFT阵列基板1，其与彩膜基板2相对设置，所述TFT阵列基板1上与所述TFPC绑定区域3相对应的区域透明，并且该区域不设置线路。
具体地，所述TFT阵列基板1可以为玻璃基板。
也就是说，TFT玻璃基板线路设计时避开TFPC绑定区相对应的TFT位置，使得TFPC绑定状况可监控。
另外，该液晶模组还包括上偏光片和下偏光片。其中，所述上偏光片与所述彩膜基板2相对设置，并且位于所述彩膜基板2的外侧，即相对于所述TFT阵列基板1所在的内侧而言。
其中，所述下偏光片与所述TFT阵列基板1相对设置，并且位于所述TFT阵列基板1的外侧，即相对于所述CF基板2所在的内侧相而言。
其中，所述上偏光片和所述下偏光片与TFPC绑定区域3之间无重叠区域或部分重叠区域。
也就是说，上、下偏光片长度方向上预留出TFOG位置，在彩膜基板面和阵列基板面偏光片均不覆盖TFOG区域。
此外，所述液晶模组还包括集成电路5、面板FPC绑定区域6、以及显示区域(AA区)7。
如图2所示，背光BM区域8随着面板显示区域(AA区)而调整，增加长方向上BM宽度，保证液晶模组无漏光现象并且AA区域大小不变。
根据本发明第三实施例，提供一种触控显示装置，其包括前述任一种液晶模组。该触控显示装置包括：手机、电子书、笔记本电脑、平板电脑或其他电子显示产品。
以上所述仅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，在不脱离本发明技术原理的前提下，还可以做出若干改进和替换，这些改进和替换也应视为本发明的保护范围。

Claims (7)

1.一种Touch on cell彩膜基板，其特征在于，包括：
触控用柔性印刷电路绑定区域，用于绑定触控用柔性印刷电路；以及，
黑矩阵区域，用于遮光；
其中，所述触控用柔性印刷电路绑定区域与所述黑矩阵区域为相互独立的两个区域，所述两个区域无重叠区域或部分重叠区域；并且，所述触控用柔性印刷电路绑定区域底部透明。
2.根据权利要求1所述的彩膜基板，其特征在于：
所述彩膜基板为玻璃基板，所述触控用柔性印刷电路绑定区域底部为透明玻璃。
3.一种液晶模组，其特征在于，包括：权利要求1或2所述的彩膜基板。
4.根据权利要求3所述的液晶模组，其特征在于，还包括：
阵列基板，与所述彩膜基板相对设置，所述阵列基板上与所述触控用柔性印刷电路绑定区域相对应的区域透明，并且该区域不设置线路。
5.根据权利要求4所述的液晶模组，其特征在于：
所述阵列基板为玻璃基板。
6.根据权利要求3～5中任一项所述的液晶模组，其特征在于，还包括：
第一偏光片，与所述彩膜基板相对设置，并且位于与所述阵列基板所在一侧相对的另一侧；
第二偏光片，与所述阵列基板相对设置，并且位于与所述彩膜基板所在一侧相对的另一侧；
其中，所述第一偏光片和所述第二偏光片与所述触控用柔性印刷电路绑定区域之间无重叠区域或部分重叠区域。
7.一种触控显示装置，其特征在于，包括：
权利要求3～6中任一项所述的液晶模组。
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