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CN107632473B - Psva液晶显示面板 - Google Patents

Psva液晶显示面板 Download PDF

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CN107632473B
CN107632473B CN201710978347.7A CN201710978347A CN107632473B CN 107632473 B CN107632473 B CN 107632473B CN 201710978347 A CN201710978347 A CN 201710978347A CN 107632473 B CN107632473 B CN 107632473B
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alignment
liquid crystal
display panel
crystal display
alignment module
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CN107632473A (zh
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宋彦君
赵永超
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Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Priority to CN201710978347.7A priority Critical patent/CN107632473B/zh
Priority to PCT/CN2017/110317 priority patent/WO2019075806A1/zh
Priority to US15/579,976 priority patent/US10444577B2/en
Priority to KR1020207014102A priority patent/KR102362557B1/ko
Priority to JP2020518797A priority patent/JP6989696B2/ja
Priority to EP17928866.7A priority patent/EP3699681A4/en
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Abstract

本发明提供一种PSVA液晶显示面板，包括：阵列基板，所述阵列基板侧设置有驱动电路，以及位于阵列基板边缘的至少两个配向模块；每个所述配向模块至少包括两条配向线路，每条所述配向线路的输入端连接有一金属触板，所述配向线路的输出端连接所述驱动电路；属于同一配向模块的金属触板间短接，短接的一组金属触板通过一探测针连接探测棒；有益效果：本发明提供的PSVA液晶显示面板，阵列基板侧的配向电路，将相同讯号的curing pad成组连接Pin，进而减少Pin数量，简化curing pad与Probe bar的连接。

Description

PSVA液晶显示面板
技术领域
本发明涉及显示面板制造领域，尤其涉及一种PSVA液晶显示面板。
背景技术
PS-VA技术中，液晶中需加入化学单体，在配向过程中，化学单体受紫外光照射，聚合形成polymer bump(聚合物凸点)，用于固定液晶形成预倾角。PS-VA的制程工艺为，对基板加电压序列，液晶在电场作用下有序倾倒，接着保持电压不变，同时加紫外光，使化学单体聚合，固定液晶形成预倾角。
对于PSVA产品，配向制程一般有两种方式。A.Array probe curing(阵列基板侧配向电路)，curing pad(金属触板)设计在array(阵列基板)侧，加电顶针(Pin)接触curingpad，对面板加电配向；B.CF probe curing(彩膜基板侧配向电路)，因加电顶针(Pin)直接接触CF基板，Array侧无curing pad设计。Array侧讯号通过金胶(Au)点，把电讯号导向Array。
随着世代线越来越大，从6代线到8.5代线，再发展到以后的10.5代线，每片基板可设计容纳的panel(显示面板)数量可能会越来越多，对于Array probe curing，每个panel都会有一组curing pad；尤其对于GOA(Gate on Array)产品，Curing pad的数量会更多。
另外，配向时相同讯号的pad无法通过设计进行相连，否则易造成Array检测的漏检，引起品质不良。
针对以上两点，对检测所需的治具Probe bar(探测棒)提出了高规格的要求，Probe bar太长，太大，易造成probe bar上的pin与curing pad接触不良，导致配向不良，画质下降。
综上所述，现有技术的PS-VA显示面板，液晶母板包含Panel片数越来越多，配向电路需要的curing pad数量增加，每一curing pad需要通过相对应的Pin连接Probe bar，导致Pin数量增多，增大了Pin与curing pad连接不良的风险。
发明内容
本发明提供一种PSVA液晶显示面板，阵列基板侧的配向电路，将相同讯号的curing pad成组连接Pin，进而减少Pin数量，简化curing pad与Probe bar的连接；以解决每一curing pad需要通过相对应的Pin连接Probe bar，导致Pin数量增多，增大Pin与curing pad连接不良的风险的技术问题。
为解决上述问题，本发明提供的技术方案如下：
本发明提供一种PSVA液晶显示面板，包括：
彩膜基板，所述彩膜基板至少包括：第一玻璃衬底、以及制备于所述第一玻璃衬底一侧的公共电极层；
阵列基板，与所述彩膜基板相对设置；所述阵列基板面向所述彩膜基板的一侧设置有驱动电路，以及靠近所述阵列基板边缘的至少两个配向模块；
每个所述配向模块至少包括两条配向线路，每条所述配向线路的输入端连接有一金属触板，所述配向线路的输出端连接所述驱动电路；属于同一所述配向模块的所述配向线路为相同讯号的线路；
探测棒，位于所述阵列基板的一侧；所述探测棒的一侧设置有至少两个探测针，所述探测针与相对应的所述金属触板接触连接；
其中，属于同一所述配向模块的两个所述金属触板之间通过导电金球连接，并且，两个所述金属触板通过所述导电金球连接所述公共电极层；所述探测针与相对应的所述配向模块的其中一个所述金属触板接触连接。
根据本发明一优选实施例，不同讯号的所述金属触板所对应的公共电极区域之间绝缘设置。
根据本发明一优选实施例，所述公共电极层经图案化形成至少两个所述公共电极区域，所述公共电极区域与相对应的所述金属触板连接。
根据本发明一优选实施例，相邻所述公共电极区域的间隔宽度为30um～300um。
根据本发明一优选实施例，所述驱动电路包括数据线、扫描线以及公共线。
根据本发明一优选实施例，所述数据线包括红色子数据线、绿色子数据线以及蓝色子数据线。
根据本发明一优选实施例，所述阵列基板表面设置有数据讯号配向模块、扫描讯号配向模块和公共讯号配向模块；
所述数据讯号配向模块包括至少两条数据讯号配向线，所述数据讯号配向线连接所述数据线；
所述扫描讯号配向模块包括至少两条扫描讯号配向线，所述扫描讯号配向线连接所述扫描线；
所述公共讯号配向模块包括至少两条公共讯号配向线，所述公共讯号配向线连接所述公共线。
根据本发明一优选实施例，所述数据讯号配向模块包括：红色像素配向模块、绿色像素配向模块以及蓝色像素配向模块。
根据本发明一优选实施例，所述公共电极层的膜厚为
Figure BDA0001437661810000041
Figure BDA0001437661810000042
根据本发明一优选实施例，所述公共电极层的电极材料采用ITO或者IZO。
本发明的有益效果为：相较于现有的PSVA液晶显示面板，本发明提供的PSVA液晶显示面板，阵列基板侧的配向电路，将相同讯号的curing pad成组连接Pin，进而减少Pin数量，简化curing pad与Probe bar的连接；以解决每一curing pad需要通过相对应的Pin连接Probe bar，导致Pin数量增多，增大Pin与curing pad连接不良的风险的技术问题。
附图说明
为了更清楚地说明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单介绍，显而易见地，下面描述中的附图仅仅是发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明提供的PSVA液晶显示面板正视结构示意图；
图2a为本发明提供的PSVA液晶显示面板一膜层结构示意图；
图2b为本发明提供的PSVA液晶显示面板又一膜层结构示意图。
具体实施方式
以下各实施例的说明是参考附加的图示，用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语，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发明，而非用以限制本发明。在图中，结构相似的单元是用以相同标号表示。
本发明针对现有的PSVA液晶显示面板，阵列基板侧的配向电路中，每一curingpad需要通过相对应的Pin连接Probe bar，导致Pin数量增多，增大Pin与curing pad连接不良的风险的技术问题；本实施例能够解决该缺陷。
如图1所示，本发明提供的PSVA液晶显示面板，包括母板101，所述母板101包括至少两块子显示面板102。
所述子显示面板102包括：彩膜基板，所述彩膜基板至少包括：第一玻璃衬底、以及制备于所述第一玻璃衬底一侧的公共电极层；阵列基板，与所述彩膜基板相对设置；所述阵列基板面向所述彩膜基板的一侧设置有驱动电路、TFT(Thin Film Transistor，薄膜晶体管)器件阵列、以及靠近所述阵列基板边缘的至少两个配向模块；所述驱动电路包括：用以向所述TFT器件传导数据信号的数据线，以及用于向所述TFT器件传导控制信号的扫描线，所述扫描线与所述数据线异面垂直相交形成像素单元。
每个所述配向模块至少包括两条配向线路，每条所述配向线路的输入端连接有一金属触板106，所述配向线路的输出端连接所述驱动电路；属于同一所述配向模块的所述配向线路为相同讯号的线路。
探测棒107，位于所述阵列基板的一侧；所述探测棒107的一侧设置有至少两个探测针108，所述探测针108与相对应的所述金属触板106接触连接；所述探测棒107可通过所述探测针108，将配向信号导入至相对应的配向模块。
属于同一所述配向模块的两个所述金属触板106之间通过导电金球连接，并且，两个所述金属触板106通过所述导电金球连接所述公共电极层；所述探测针108与相对应的所述配向模块的其中一个所述金属触板106接触连接。
各所述金属触板106呈一字型排列，将相同讯号的所述金属触板106成为一组，并在每一组所述金属触板106表面涂布金属胶层110，所述金属胶层110内均匀分布有多个所述导电金球，使得并列的相同讯号的所述金属触板106之间导通；同一组所述金属触板106只需连接一个所述探测针108即可实现相同讯号配向线的同时导通。
所述导电金球的粒径接近所述彩膜基板与所述阵列基板的间隔高度。
在对所述PSVA基板配向的过程中，所述探测棒107给使能信号，通过所述探测针108将配向信号传输至对应的所述金属触板106的输入端，配向信号经所述金属触板106的输出端传输至相连的讯号配向线；同时，所述金属触板106通过所述导电金球连接所述公共电极层，所述探测棒107在给出配向信号的同时，会将部分信号传输到所述公共电极层，使得所述公共电极层与所述阵列基板侧的像素电极之间形成电势差，从而使位于所述公共电极层和所述像素电极之间的液晶分子形成预倾角，最后对液晶分子进行UV固化以固定液晶偏转角度。
如图2a、2b所示，本发明的PSVA液晶显示面板，包括阵列基板201；金属触板202，制备于所述阵列基板201表面；彩膜基板，与所述阵列基板201相对设置；公共电极层203，制备于所述彩膜基板表面；以及金属胶层204，位于所述金属触板202与所述公共电极层203之间，所述金属胶层204内按照一定比例均匀分布有导电金球205，用以实现所述金属触板202与所述公共电极层203的电性连接；所述导电金球的尺寸大小为微米量级，与实际面板的盒厚相对应；所述金属触板的尺寸为毫米量级，一个所述金属触板表面分布有500至1000颗所述导电金球。
由于所述公共电极层203需要与所述像素电极之间形成电势差，因此需要使所述公共电极层203与所述像素电极具有不同的电压。
不同讯号的所述金属触板202所对应的公共电极区域之间绝缘设置，以实现不同讯号的单独导入。例如，将所述公共电极层203经图案化形成至少两个所述公共电极区域，所述公共电极区域与相对应的所述金属触板202连接。
图案化后的所述公共电极区域，相邻所述公共电极区域之间存在间隙，在所述阵列基板201表面的像素单元避开所述间隙设置。
例如，所述公共电极层203包括配向讯号区域2031、GOA讯号区域2032、数据讯号区域2033以及公共线讯号区域2034，所述阵列基板侧201设置有接触连接所述配向讯号区域2031的第一金属触板2021、接触连接所述GOA讯号区域2032的第二金属触板2022、接触连接所述数据讯号区域2033的第三金属触板2023以及接触连接所述公共线信号区域2034的第四金属触板2024。
例如，相邻所述公共电极区域的间隔宽度为30um～300um。
所述驱动电路包括数据线、扫描线以及公共线；所述数据线包括红色子数据线、绿色子数据线以及蓝色子数据线。
所述阵列基板201表面设置有数据讯号配向模块、扫描讯号配向模块和公共讯号配向模块；其中，所述数据讯号配向模块包括至少两条数据讯号配向线，所述数据讯号配向线连接所述数据线；所述扫描讯号配向模块包括至少两条扫描讯号配向线，所述扫描讯号配向线连接所述扫描线；所述公共讯号配向模块包括至少两条公共讯号配向线，所述公共讯号配向线连接所述公共线。
进一步，所述数据讯号配向模块包括：红色像素配向模块、绿色像素配向模块以及蓝色像素配向模块；所述红色像素配向模块对应连接所述红色子数据线，所述绿色像素配向模块对应连接所述绿色子数据线，所述蓝色像素配向模块对应连接所述蓝色子数据线。
所述公共电极层203的膜厚为
Figure BDA0001437661810000081
所述公共电极层203的电极材料采用ITO(Indium Tin Oxides，铟锡氧化物半导体透明导电膜)或者IZO(indium-doped zinc oxide，掺铟氧化锌氧化物半导体透明导电膜)。
本发明的有益效果为：相较于现有的PSVA液晶显示面板，本发明提供的PSVA液晶显示面板，阵列基板201侧的配向电路，将相同讯号的curing pad成组连接Pin，进而减少Pin数量，简化curing pad与Probe bar的连接；以解决每一curing pad需要通过相对应的Pin连接Probe bar，导致Pin数量增多，增大Pin与curing pad连接不良的风险的技术问题。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。

Claims (10)

1.一种PSVA液晶显示面板，包括：
彩膜基板，所述彩膜基板至少包括：第一玻璃衬底、以及制备于所述第一玻璃衬底一侧的公共电极层；
阵列基板，与所述彩膜基板相对设置；所述阵列基板面向所述彩膜基板的一侧设置有驱动电路，以及靠近所述阵列基板边缘的至少两个配向模块；
每个所述配向模块至少包括两条配向线路，每条所述配向线路的输入端连接有一金属触板，所述配向线路的输出端连接所述驱动电路；属于同一所述配向模块的所述配向线路为相同讯号的线路；其特征在于，
所述PSVA液晶显示面板还包括探测棒，位于所述阵列基板的一侧；所述探测棒的一侧设置有至少两个探测针，所述探测针与相对应的所述金属触板接触连接；
其中，属于同一所述配向模块的两个所述金属触板之间通过导电金球连接，并且，两个所述金属触板通过所述导电金球连接所述公共电极层；所述探测针与相对应的所述配向模块的其中一个所述金属触板接触连接。
2.根据权利要求1所述的PSVA液晶显示面板，其特征在于，不同讯号的所述金属触板所对应的公共电极区域之间绝缘设置。
3.根据权利要求2所述的PSVA液晶显示面板，其特征在于，所述公共电极层经图案化形成至少两个所述公共电极区域，所述公共电极区域与相对应的所述金属触板连接。
4.根据权利要求3所述的PSVA液晶显示面板，其特征在于，相邻所述公共电极区域的间隔宽度为30um～300um。
5.根据权利要求1所述的PSVA液晶显示面板，其特征在于，所述驱动电路包括数据线、扫描线以及公共线。
6.根据权利要求5所述的PSVA液晶显示面板，其特征在于，所述数据线包括红色子数据线、绿色子数据线以及蓝色子数据线。
7.根据权利要求5所述的PSVA液晶显示面板，其特征在于，所述阵列基板表面设置有数据讯号配向模块、扫描讯号配向模块和公共讯号配向模块；
所述数据讯号配向模块包括至少两条数据讯号配向线，所述数据讯号配向线连接所述数据线；
所述扫描讯号配向模块包括至少两条扫描讯号配向线，所述扫描讯号配向线连接所述扫描线；
所述公共讯号配向模块包括至少两条公共讯号配向线，所述公共讯号配向线连接所述公共线。
8.根据权利要求7所述的PSVA液晶显示面板，其特征在于，所述数据讯号配向模块包括：红色像素配向模块、绿色像素配向模块以及蓝色像素配向模块。
9.根据权利要求1所述的PSVA液晶显示面板，其特征在于，所 述公共电极层的膜厚为200埃至1500埃。
10.根据权利要求1～9任一项权利要求所述的PSVA液晶显示面板，其特征在于，所述公共电极层的电极材料采用ITO或者IZO。
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