CN105467665A - 彩膜基板结构及使用所述结构的液晶显示器 - Google Patents

彩膜基板结构及使用所述结构的液晶显示器 Download PDF

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CN105467665A
CN105467665A CN201610055127.2A CN201610055127A CN105467665A CN 105467665 A CN105467665 A CN 105467665A CN 201610055127 A CN201610055127 A CN 201610055127A CN 105467665 A CN105467665 A CN 105467665A
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substrate structure
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李文辉
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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Priority to US15/022,403 priority patent/US20180321547A1/en
Priority to PCT/CN2016/074691 priority patent/WO2017128477A1/zh
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Abstract

本发明涉及一种彩膜基板结构，彩膜基板结构包括基板；辅助导电层，设置于基板上，辅助导电层包括若干导电接触垫，若干导电接触垫为不透光材质，用以区隔次像素原色层的不同颜色单元，并且若干导电接触垫用以电性连接一公共电极层；次像素原色层，包括红色单元、绿色单元以及蓝色单元，辅助导电层的若干导电接触垫用以隔离红色单元、绿色单元以及蓝色单元；以及公共电极层，设置于辅助导电层以及次像素原色层上，用以电性连接辅助导电层的若干导电接触垫。本发明增加彩膜基板结构的导电能力，提供亮度的均匀性，以改善显示质量。

Description

彩膜基板结构及使用所述结构的液晶显示器
【技术领域】
本发明涉及一种液晶显示器技术领域，且特别是涉及一种彩膜基板结构及使用所述结构的液晶显示器。
【背景技术】
由于液晶显示器(liquidcrystaldisplay,LCD)具有低辐射、体积小及低耗能等优点，因此逐渐取代传统的阴极射线管(cathoderaytube,CRT)显示器，广泛地应用在笔记型计算机、个人数字助理(personaldigitalassistant,PDA)、平面电视，或行动电话等信息产品上。
LCD显示器包含薄膜晶体管(thinfilmtransistor,TFT)基板和彩膜基板(彩色滤光片)。现有的彩膜基板包括黑色矩阵(blackmatrix,BM)、彩色层、公共电极以及光阻隔离柱(photospacer,PS)，公共电极通入的电压与TFT基板的像素电极的电压形成电场，通过控制电压大小来调整电场，进而控制液晶的旋转量，以调节光线的穿透。
目前，液晶显示器的显示尺寸越来越大，例如55吋、65吋、85吋以及110吋，然而在大尺寸的液晶显示器中，由于公共电极是覆盖整个彩色层的一层透明电极，其电阻较大，导电能力差，随着尺寸增大，较大显示面板中间的电压与显示面板边缘的电压会有不均匀的现象，造成电场不均匀，使得显示面板中间与四周的显示形成不均匀的问题，进而影响液晶显示器的显示品质。因此需要发展一种新式的彩膜基板结构，以解决上述的问题。
【发明内容】
有监于此，本发明的目的在于提供一种彩膜基板结构及使用所述结构的液晶显示器，通过辅助导电层与公共电极电性连接，以增加彩膜基板结构的导电能力，使彩膜基板结构面内的电压均匀分布，提供亮度的均匀性，以改善显示质量。
为达到上述发明目的，本发明的一实施例中提供一种彩膜基板结构，适用于液晶面板，其特征在于，所述彩膜基板结构包括：一基板；一辅助导电层，设置于所述基板上，所述辅助导电层包括若干导电接触垫，所述若干导电接触垫为不透光材质，用以区隔一次像素原色层的不同颜色单元，并且所述若干导电接触垫用以电性连接一公共电极层；所述次像素原色层，包括红色单元、绿色单元以及蓝色单元，所述辅助导电层的所述若干导电接触垫用以隔离所述红色单元、所述绿色单元以及所述蓝色单元；以及所述公共电极层，设置于所述辅助导电层以及所述次像素原色层上，用以电性连接所述辅助导电层的所述若干导电接触垫。
在一实施例中，所述彩膜基板结构还包括黑色矩阵层，设置于所述基板与所述辅助导电层之间，所述辅助导电层设置于所述黑色矩阵层的表面上，使所述公共电极层在所述黑色矩阵层的表面上电性连接所述辅助导电层。
在一实施例中，所述黑色矩阵层包括若干过孔并且所述辅助导电层的所述若干导电接触垫相对应嵌入于所述若干过孔中，使所述公共电极层电性连接所述若干过孔中的所述若干导电接触垫。
在一实施例中，所述辅助导电层的材质是选自导电高分子材质、导电银浆、金属、导电氧化物以及石墨烯。
在一实施例中，所述辅助导电层的导电率大于所述黑色矩阵层的导电率。
本发明的另一实施例中提供一种彩膜基板结构，适用于液晶面板，所述彩膜基板结构与所述液晶面板的薄膜晶体管基板相对设置，其特征在于，所述彩膜基板结构包括：一基板；一辅助导电层，设置于所述基板上，所述辅助导电层包括若干导电接触垫，并且所述若干导电接触垫用以电性连接一公共电极；一黑色矩阵层，设置于所述薄膜晶体管基板上，用以区隔一次像素原色层的不同颜色单元；所述次像素原色层，设置于所述薄膜晶体管基板上，包括红色单元、绿色单元以及蓝色单元，所述黑色矩阵层用以隔离所述红色单元、所述绿色单元以及所述蓝色单元；以及所述公共电极层，设置于所述辅助导电层上，用以电性连接所述辅助导电层的若干导电接触垫。
在一实施例中，所述辅助导电层的材质是选自导电高分子材质、导电银浆、金属、导电氧化物以及石墨烯。
在一实施例中，当所述辅助导电层的为不透明材质时，所述辅助导电层对准于所述黑色矩阵层，当所述辅助导电层的为透明材质时，所述辅助导电层对准或是不对准于所述黑色矩阵层。
在一实施例中，所述辅助导电层的导电率大于所述黑色矩阵层的导电率。
本发明的另一实施例提供一种液晶显示器，包括上述任意一个实施例的彩膜基板结构。
【附图说明】
图1:为根据本发明第一实施例中液晶显示器的彩膜基板结构的示意图。
图2:为根据本发明第二实施例中液晶显示器的彩膜基板结构的示意图。
图3:为根据本发明第三实施例中液晶显示器的彩膜基板结构的示意图。
图4:为根据本发明第四实施例中液晶显示器的彩膜基板结构的示意图。
【具体实施方式】
本发明说明书提供不同的实施例来说明本发明不同实施方式的技术特征。实施例中的各组件的配置是为了清楚说明本发明揭示的内容，并非用以限制本发明。在不同的图式中，相同的组件符号表示相同或相似的组件。
参考图1，其为根据本发明第一实施例中液晶显示器的彩膜基板结构的示意图。所述彩膜基板结构适用于液晶面板，所述彩膜基板结构包括基板100、辅助导电层102、次像素原色层104以及公共电极层106。基板100例如是玻璃基板。
在图1中，所述辅助导电层102设置于所述基板100上，所述辅助导电层102包括若干导电接触垫102a，所述若干导电接触垫102a为不透光材质，用以区隔次像素原色层104的不同颜色单元，并且所述若干导电接触垫102a用以电性连接一公共电极层106。在一实施例中，所述辅助导电层102的导电率大于现有技术中所述黑色矩阵层的导电率，并且所述辅助导电层102具有遮光的作用，以隔离所述次像素原色层104的不同颜色单元，同时提高对比遮蔽薄膜晶体管，防止光电流产生，换言之，本实施例的辅助导电层102可取代现有的所述黑色矩阵层。所述辅助导电层102的材质是选自导电高分子材质、导电银浆、金属、导电氧化物以及石墨烯，但不限于此。所述彩膜基板结构还包括光阻柱状隔离层(photospacer)107，用以支撑彩膜基板结构与薄膜晶体管(TFT)基板(如图4所示)。
在图1中，所述次像素原色层104，包括红色单元104R、绿色单元104G以及蓝色单元104B，所述辅助导电层102的所述若干导电接触垫102a用以隔离所述红色单元104R、所述绿色单元104G以及所述蓝色单元104B。所述公共电极层106设置于所述辅助导电层102以及所述次像素原色层104上，用以电性连接所述辅助导电层102的所述若干导电接触垫102a。在一实施例中，公共电极层106的材质例如是氧化铟锡(indiumtinoxide,ITO)。
参考图2，其为根据本发明第二实施例中液晶显示器的彩膜基板结构的示意图。所述彩膜基板结构包括基板100、黑色矩阵层101、辅助导电层102、次像素原色层104以及公共电极层106。基板100例如是玻璃基板。所述黑色矩阵层101设置于所述基板与100所述辅助导电层102之间，所述辅助导电层102设置于所述黑色矩阵层101的表面上，使所述公共电极层在所述黑色矩阵层的表面上电性连接所述辅助导电层。
在图2中，所述辅助导电层102设置于所述黑色矩阵层101上，所述辅助导电层102包括若干导电接触垫102a，所述若干导电接触垫102a为不透光材质，用以区隔次像素原色层104的不同颜色单元，并且所述若干导电接触垫102a用以电性连接一公共电极层106。在一实施例中，所述辅助导电层102的导电率大于所述黑色矩阵层101的导电率，所述黑色矩阵层101用以隔离所述次像素原色层104的不同颜色单元，同时提高对比遮蔽薄膜晶体管，防止光电流产生。所述辅助导电层102的材质是选自导电高分子材质、导电银浆、金属、导电氧化物以及石墨烯，但不限于此。
在图2中，所述次像素原色层104包括红色单元104R、绿色单元104G以及蓝色单元104B，所述辅助导电层102的所述若干导电接触垫102a用以隔离所述红色单元104R、所述绿色单元104G以及所述蓝色单元104B。所述公共电极层106设置于所述辅助导电层102以及所述次像素原色层104上，用以电性连接所述辅助导电层102的所述若干导电接触垫102a。在一实施例中，公共电极层106的材质例如是氧化铟锡(ITO)。
参考图3，其为根据本发明第三实施例中液晶显示器的彩膜基板结构的示意图。第三实施例中液晶显示器的彩膜基板结构类似第二实施例中液晶显示器的彩膜基板结构。其差异在于所述黑色矩阵层101包括若干过孔108并且所述辅助导电层102的所述若干导电接触垫102a相对应嵌入于所述若干过孔108中，使所述公共电极层106电性连接所述若干过孔108中的所述若干导电接触垫102a。
参考图4，其为根据本发明第四实施例中液晶显示器的彩膜基板结构的示意图。所述彩膜基板结构适用于液晶面板，所述彩膜基板结构与所述液晶面板的薄膜晶体管基板110相对设置，所述彩膜基板结构包括基板100、黑色矩阵层101、辅助导电层102、次像素原色层104以及公共电极层106。黑色矩阵层101以及次像素原色层104设置于薄膜晶体管基板110上。
在图4中，基板100例如是玻璃基板。辅助导电层102设置于所述基板100上，所述辅助导电层102包括若干导电接触垫102a，并且所述若干导电接触垫102a用以电性连接一公共电极106。在一实施例中，所述辅助导电层102的材质是选自导电高分子材质、导电银浆、金属、导电氧化物以及石墨烯。黑色矩阵层101设置于所述薄膜晶体管基板110上，用以区隔一次像素原色层104的不同颜色单元。在一实施例中，所述辅助导电层102的导电率大于所述黑色矩阵层101的导电率。当所述辅助导电层102的为不透明材质时，所述辅助导电层102对准于所述黑色矩阵层101，当所述辅助导电层102的为透明材质时，所述辅助导电层102对准或是不对准于所述黑色矩阵层101。
在图4中，所述次像素原色层104设置于所述薄膜晶体管基板110上，所述次像素原色层10包括红色单元104R、绿色单元104G以及蓝色单元104B，所述黑色矩阵层101用以隔离所述红色单元104R、所述绿色单元104G以及所述蓝色单元104B。所述公共电极层106设置于所述辅助导电层102上，用以电性连接所述辅助导电层102的若干导电接触垫102a。
本发明的另一实施例提供一种液晶显示器，包括上述任意一个实施例的彩膜基板结构。
综上所述，本发明的彩膜基板结构及使用所述结构的液晶显示器，通过辅助导电层与公共电极电性连接，以增加彩膜基板结构的导电能力，使彩膜基板结构面内的电压均匀分布，提供亮度的均匀性，以改善显示质量。换言之，本发明的彩膜基板结构解决现有技术中公共电极的电阻较大，尤其在大尺寸显示时有可能造成彩膜基板结构的面内电压不均，影响显示均一性而造成亮度/色度不均(mura)等问题。
虽然本发明已用较佳实施例揭露如上，然其幷非用以限定本发明，本发明所属技术领域中具有通常知识者，在不脱离本发明的精神和范围内，当可作各种的更动与润饰，因此本发明的保护范围当视后附的权利要求范围所界定者为准。

Claims (10)

1.一种彩膜基板结构，适用于液晶面板，其特征在于，所述彩膜基板结构包括：
一基板；
一辅助导电层，设置于所述基板上，所述辅助导电层包括若干导电接触垫，所述若干导电接触垫为不透光材质，用以区隔一次像素原色层的不同颜色单元，并且所述若干导电接触垫用以电性连接一公共电极层；
所述次像素原色层，包括红色单元、绿色单元以及蓝色单元，所述辅助导电层的所述若干导电接触垫用以隔离所述红色单元、所述绿色单元以及所述蓝色单元；以及
所述公共电极层，设置于所述辅助导电层以及所述次像素原色层上，用以电性连接所述辅助导电层的所述若干导电接触垫。
2.根据权利要求1所述的彩膜基板结构，其特征在于，所述彩膜基板结构还包括黑色矩阵层，设置于所述基板与所述辅助导电层之间，所述辅助导电层设置于所述黑色矩阵层的表面上，使所述公共电极层在所述黑色矩阵层的表面上电性连接所述辅助导电层。
3.根据权利要求2所述的彩膜基板结构，其特征在于，所述黑色矩阵层包括若干过孔并且所述辅助导电层的所述若干导电接触垫相对应嵌入于所述若干过孔中，使所述公共电极层电性连接所述若干过孔中的所述若干导电接触垫。
4.根据权利要求2所述的彩膜基板结构，其特征在于，所述辅助导电层的材质是选自导电高分子材质、导电银浆、金属、导电氧化物以及石墨烯。
5.根据权利要求2所述的彩膜基板结构，其特征在于，所述辅助导电层的导电率大于所述黑色矩阵层的导电率。
6.一种彩膜基板结构，适用于液晶面板，所述彩膜基板结构与所述液晶面板的薄膜晶体管基板相对设置，其特征在于，所述彩膜基板结构包括：一基板；
一辅助导电层，设置于所述基板上，所述辅助导电层包括若干导电接触垫，并且所述若干导电接触垫用以电性连接一公共电极；
一黑色矩阵层，设置于所述薄膜晶体管基板上，用以区隔一次像素原色层的不同颜色单元；
所述次像素原色层，设置于所述薄膜晶体管基板上，包括红色单元、绿色单元以及蓝色单元，所述黑色矩阵层用以隔离所述红色单元、所述绿色单元以及所述蓝色单元；以及
所述公共电极层，设置于所述辅助导电层上，用以电性连接所述辅助导电层的若干导电接触垫。
7.根据权利要求6所述的彩膜基板结构，其特征在于，所述辅助导电层的材质是选自导电高分子材质、导电银浆、金属、导电氧化物以及石墨烯。
8.根据权利要求6所述的彩膜基板结构，其特征在于，当所述辅助导电层的为不透明材质时，所述辅助导电层对准于所述黑色矩阵层，当所述辅助导电层的为透明材质时，所述辅助导电层对准或是不对准于所述黑色矩阵层。
9.根据权利要求6所述的彩膜基板结构，其特征在于，所述辅助导电层的导电率大于所述黑色矩阵层的导电率。
10.一种液晶显示器，包括彩膜基板结构，其特征在于，所述彩膜基板结构采用权利要求1-9中任意一项所述的彩膜基板结构。
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