CN107664881A - 液晶显示器及其显示模组 - Google Patents

液晶显示器及其显示模组 Download PDF

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CN107664881A
CN107664881A CN201711042966.1A CN201711042966A CN107664881A CN 107664881 A CN107664881 A CN 107664881A CN 201711042966 A CN201711042966 A CN 201711042966A CN 107664881 A CN107664881 A CN 107664881A
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liquid crystal
display module
bonding jumper
crystal layer
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CN107664881B (zh
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查国伟
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Wuhan China Star Optoelectronics Technology Co Ltd
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Abstract

本发明提供一种液晶显示器及其显示模组，所述显示模组包括下偏光片、TFT阵列基板、液晶层、彩色滤光片、上偏光片，所述液晶层位于所述下偏光片和所述上偏光片之间，所述TFT阵列基板位于所述下偏光片与所述液晶层之间，所述彩色滤光片位于所述液晶层与所述上偏光片之间，所述显示模组还包括设于所述彩色滤光片与所述液晶层之间的金属电极层，所述金属电极层包括介质层及金属线栅层，所述金属线栅层设于所述介质层朝向所述液晶层的一面。本发明将金属线栅层作为显示模组的公共电极层，从而取代了传统的透明电极ITO，避免透明电极ITO容易在弯曲过程中出现脆性断裂而导致电气失常的问题，同时，能够提升整个液晶显示器的对比度。

Description

液晶显示器及其显示模组
技术领域
本发明涉及液晶显示技术领域，尤其涉及一种液晶显示器及其显示模组。
背景技术
随着可穿戴应用设备如智能眼镜、智能手表等的逐渐兴起，显示行业对可挠曲显示器件的需求也不断增加。有机发光二极管显示器件(Organic Light Emitting Display，OLED)具有自发光、厚度薄、视角广、反应速度快等特点，从而具有可挠曲显示的天然优势。但是，目前OLED产业仍然具有很高的技术门槛，制程难度大、良率低、成本高、售价高，这些难点都阻碍着OLED的广泛应用。液晶显示器(Liquid Crystal Display，LCD)相对而言具有较长的发展历程，已经逐步克服了色度稳定性、均匀性、可靠性、高色域、宽视角等关键技术，成为目前市面上仍然占据主流地位的显示技术。
但是在柔性液晶显示装置的实现过程中，采用柔性衬底替代传统的玻璃衬底并不意味着解决了所有的问题，一方面，由于液晶盒的厚度、背光模组的影响，使得液晶显示器的光线在厚度方向需要经过较长的路径，而弯曲过程造成的局部厚度变化会引起明显的光线传播方向改变与颜色串扰；另一方面，弯曲造成的局部应力使得传统液晶盒中的非承力膜层容易出现脆性断裂，导致功能异常，这一点对于导电层尤为突出。其中，导电层一般为透明导电层ITO，透明导电层ITO为一种脆性材料，在弯曲的过程中容易出现断裂现象。
发明内容
为了解决现有技术的不足，本发明提供一种液晶显示器，能够解决透明电极ITO容易在弯曲过程中出现脆性断裂而导致电气失常的问题，同时，能够提升整个液晶显示器的对比度。
本发明提出的具体技术方案为：提供一种显示模组，所述显示模组包括下偏光片、TFT阵列基板、液晶层、彩色滤光片、上偏光片，所述液晶层位于所述下偏光片和所述上偏光片之间，所述TFT阵列基板位于所述下偏光片与所述液晶层之间，所述彩色滤光片位于所述液晶层与所述上偏光片之间，所述显示模组还包括设于所述彩色滤光片与所述液晶层之间的金属电极层，所述金属电极层包括介质层及金属线栅层，所述金属线栅层设于所述介质层朝向所述液晶层的一面。
进一步地，所述彩色滤光片包括平坦层、滤光层及基板，所述滤光层位于所述平坦层与所述基板之间，所述平坦层位于所述滤光层与所述介质层之间，所述滤光层包括间隔设置于所述基板上的光阻以及设置于任意相邻的两个所述光阻之间的黑色矩阵。
进一步地，所述金属线栅层与所述光阻对应的区域均设置有第一线栅单元，每一个所述第一线栅单元均包括平行等间隔排列的多个第一金属条，每一个所述第一线栅单元的偏振方向均与所述上偏光片的吸收轴的方向相同。
进一步地，所述金属线栅层与所述黑色矩阵对应的区域设置有第二线栅单元，每一个所述第二线栅单元均包括平行等间隔排列的多个第二金属条。
进一步地，所述第一金属条的宽度与所述第二金属条的宽度相等，和/或所述第一金属条与所述第二金属条的厚度均为10nm～100nm。
进一步地，每一个所述第一线栅单元中相邻的两个第一金属条之间的间隔与每一个所述第二线栅单元中相邻的两个第二金属条之间的间隔不相等。
进一步地，所述第一金属条与所述第二金属条的材质均选自Al、Ag或Au中的至少一种。
进一步地，每一个所述第一线栅单元中相邻两个第一金属条之间的间隔均为20～500nm，每一个所述第一线栅单元的占空比均为0.1～0.9。
进一步地，所述介质层的材质选自SiO2、SiO、MgO、Si3N4、TiO2、Ta2O5中的一种。
本发明还提供了一种液晶显示器，所述液晶显示器包括背光模组及如上所述的显示模组，所述显示模组设于所述背光模组上。
本发明提出的显示模组包括金属电极层，所述金属电极层包括介质层及金属线栅层，所述金属线栅层设于所述介质层朝向所述液晶层的一面，将金属线栅层作为显示模组的公共电极层，从而取代了传统的透明电极ITO，避免透明电极ITO容易在弯曲过程中出现脆性断裂而导致电气失常的问题，同时，能够提升整个液晶显示器的对比度。
附图说明
下面结合附图，通过对本发明的具体实施方式详细描述，将使本发明的技术方案及其它有益效果显而易见。
图1为实施例1中液晶显示器的结构示意图；
图2为实施例1中金属线栅层的结构示意图；
图3为实施例2中液晶显示器的结构示意图；
图4为实施例2中金属线栅层的结构示意图。
具体实施方式
以下，将参照附图来详细描述本发明的实施例。然而，可以以许多不同的形式来实施本发明，并且本发明不应该被解释为限制于这里阐述的具体实施例。相反，提供这些实施例是为了解释本发明的原理及其实际应用，从而使本领域的其他技术人员能够理解本发明的各种实施例和适合于特定预期应用的各种修改。在附图中，相同的标号将始终被用于表示相同的元件。
实施例1
参照图1，本实施例中的液晶显示器包括背光模组1和显示模组2。显示模组2包括下偏光片21、TFT阵列基板22、液晶层23、彩色滤光片24、上偏光片25，液晶层23位于下偏光片21和上偏光片25之间，TFT阵列基板22位于下偏光片21与液晶层23之间，彩色滤光片24位于液晶层23与上偏光片25之间。显示模组2还包括设于彩色滤光片24与液晶层23之间的金属电极层26，金属电极层26包括介质层261及金属线栅层262，金属线栅层262设于介质层261朝向液晶层23的一面。
金属线栅层262作为显示模组2的公共电极层，取代了现有的透明电极ITO，从而避免透明电极ITO容易在弯曲过程中出现脆性断裂而导致电气失常的问题。
本实施例中的彩色滤光片24包括平坦层241、滤光层242及基板243。滤光层242位于平坦层241与基板243之间，平坦层241位于滤光层242与介质层261之间，滤光层242包括间隔设置于基板243上的光阻242a以及设置于任意相邻的两个光阻242a之间的黑色矩阵242b。光阻242a包括红色光阻、绿色光阻、蓝色光阻，红色光阻能够透过红光，绿色光阻能够透过滤光，蓝色光阻能够透过蓝光。黑色矩阵242b不能让光线透过。
在滤光层242的实际制作工艺中，先在基板243的表面形成黑矩阵242b，然后在黑矩阵242b上形成多个像素开口区，最后在像素开口区填充光阻材料形成光阻242a，光阻242a的厚度大于黑色矩阵242b的厚度，从而在基板243的表面形成滤光层242。平坦层241形成于黑色矩阵242b和光阻242a的表面。
本实施例中的TFT阵列基板22和基板243均为柔性基板，柔性基板的材质选自聚甲基丙烯酸甲酯、聚碳酸酯、聚乙烯、聚丙烯、聚对苯二甲酸乙二醇酯或聚酰亚胺。
参照图2，金属线栅层262与光阻242a对应的区域均设置有第一线栅单元10，每一个第一线栅单元10均包括平行等间隔排列的多个第一金属条100，每一个第一线栅单元10的偏振方向均与上偏光片25的吸收轴的方向相同，能够透过偏振方向垂直于第一金属条100的TM偏振光、反射偏振方向平行于第一金属条100的TE偏振光，其作用类似于上偏光片25，从而可以进一步的增加液晶显示器的偏光度。此外，外界环境光线经过上偏振片25后形成偏振光，偏振光经过第一线栅单元10后全部透过，从而可以避免其他偏振方向的偏振光经过第一线栅单元10时被其反射，进而降低液晶显示器的对比度。同一种颜色的光阻242a对应的第一线栅单元10相同，不同颜色的光阻242a对应的第一线栅单元10可以相同也可以不同，图2中示出了不同颜色的光阻242a对应的第一线栅单元10均相同的情况。
本实施例中金属线栅层262与黑色矩阵242b对应的区域为整面结构，光线不能透过，可以进一步的增加金属线栅层262的可挠性。第一金属条100的宽度为10nm～100nm，第一金属条100的材质选自Al、Ag或Au中的至少一种。每一个第一线栅单元10中相邻两个第一金属条100之间的间隔均为20～500nm，每一个第一线栅单元10的占空比均为0.1～0.9。
本实施例中介质层261的材质选自SiO2、SiO、MgO、Si3N4、TiO2、Ta2O5中的一种。
本实施例中的背光模组1为侧入式的背光模组，其包括背光源11、导光板12及光学膜片组13。
背光源11设置在导光板12的侧面，其中，导光板12的入光面指的是导光板12朝向背光源11的一面。光学膜片组13位于导光板12和下偏光片21之间。背光源11发出的光入射至导光板12中并经导光板12多次反射后从导光板12的出光面出射，这里，导光板12的出光面指的是导光板12与光学膜片组13相对的一面。从导光板12的出光面出射的光再入射至光学膜片组13中。
光学膜片组13包括从下而上依次设置的下扩散片13a、增光片13b、上扩散片13c。上扩散片13c位于增光片13b和显示模组2之间，下扩散片13a位于增光片13b和导光板12之间。下扩散片13a用于将从导光板12的出光面发出的光集中起来均匀投射到增光片13b上，增光片13b用于将下扩散片13a发出的分散光进行聚集，以提高亮度，上扩散片13c用于对从增光片13b发出的光进行雾化,并将光均匀射出。这里增光片13b通常为棱镜片。
本实施例中的背光模组1还包括设于导光板12的底部的反射层14，反射层14可以是反射片也可以是涂覆于导光板12的底部的反射涂层。
实施例2
参照图3、图4，本实施例与实施例1的不同之处在于，本实施例中金属线栅层262与黑色矩阵242b对应的区域设置有第二线栅单元20，每一个第二线栅单元20均包括平行等间隔排列的多个第二金属条200。每一个第二线栅单元20的偏振方向均与上偏光片25的吸收轴的方向相同，能够透过偏振方向垂直于第二金属条200的TM偏振光、反射偏振方向平行于第二金属条200的TE偏振光，其作用类似于上偏光片25。从第二线栅单元20透过的偏振光被黑色矩阵242b遮挡。
本实施例中金属线栅层262与黑色矩阵242b对应的区域也为线栅结构，从而可以进一步的增加金属线栅层262的弯曲能力，提升液晶显示器的可靠性。第二金属条200的宽度与第一金属条100的宽度相等，即第二金属条200的宽度也为10nm～100nm，第二金属条200的材质选自Al、Ag或Au中的至少一种。每一个第二线栅单元20中相邻两个第二金属条200之间的间隔均为20～500nm，每一个第二线栅单元20的占空比均为0.1～0.9。第二线栅单元20与第一线栅单元10电性连接，第二线栅单元20的结构可以与第一线栅单元10的结构相同也可以不同。
以上所述仅是本申请的具体实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本申请的保护范围。

Claims (10)

1.一种显示模组，其特征在于，包括下偏光片、TFT阵列基板、液晶层、彩色滤光片、上偏光片，所述液晶层位于所述下偏光片和所述上偏光片之间，所述TFT阵列基板位于所述下偏光片与所述液晶层之间，所述彩色滤光片位于所述液晶层与所述上偏光片之间，所述显示模组还包括设于所述彩色滤光片与所述液晶层之间的金属电极层，所述金属电极层包括介质层及金属线栅层，所述金属线栅层设于所述介质层朝向所述液晶层的一面。
2.根据权利要求1所述的显示模组，其特征在于，所述彩色滤光片包括平坦层、滤光层及基板，所述滤光层位于所述平坦层与所述基板之间，所述平坦层位于所述滤光层与所述介质层之间，所述滤光层包括间隔设置于所述基板上的光阻以及设置于任意相邻的两个所述光阻之间的黑色矩阵。
3.根据权利要求2所述的显示模组，其特征在于，所述金属线栅层与所述光阻对应的区域均设置有第一线栅单元，每一个所述第一线栅单元均包括平行等间隔排列的多个第一金属条，每一个所述第一线栅单元的偏振方向均与所述上偏光片的吸收轴的方向相同。
4.根据权利要求3所述的显示模组，其特征在于，所述金属线栅层与所述黑色矩阵对应的区域设置有第二线栅单元，每一个所述第二线栅单元均包括平行等间隔排列的多个第二金属条。
5.根据权利要求4所述的显示模组，其特征在于，所述第一金属条的宽度与所述第二金属条的宽度相等，和/或所述第一金属条与所述第二金属条的厚度均为10nm～100nm。
6.根据权利要求4所述的显示模组，其特征在于，每一个所述第一线栅单元中相邻的两个第一金属条之间的间隔与每一个所述第二线栅单元中相邻的两个第二金属条之间的间隔不相等。
7.根据权利要求4所述的显示模组，其特征在于，所述第一金属条与所述第二金属条的材质均选自Al、Ag或Au中的至少一种。
8.根据权利要求3所述的显示模组，其特征在于，每一个所述第一线栅单元中相邻两个第一金属条之间的间隔均为20～500nm，每一个所述第一线栅单元的占空比均为0.1～0.9。
9.根据权利要求1-8任一项所述的显示模组，其特征在于，所述介质层的材质选自SiO2、SiO、MgO、Si3N4、TiO2、Ta2O5中的一种。
10.一种液晶显示器，其特征在于，包括背光模组及如权利要求1-9任一项所述的显示模组，所述显示模组设于所述背光模组上。
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CN107203065A (zh) * 2017-07-21 2017-09-26 京东方科技集团股份有限公司 彩膜基板、显示面板及装置
CN107290895A (zh) * 2017-08-15 2017-10-24 深圳市华星光电技术有限公司 金属线栅，柔性液晶显示面板及其制作方法

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CN108803124A (zh) * 2018-06-27 2018-11-13 武汉华星光电技术有限公司 曲面液晶显示屏及其制造方法
CN108803124B (zh) * 2018-06-27 2021-05-28 武汉华星光电技术有限公司 曲面液晶显示屏及其制造方法
CN109239966A (zh) * 2018-10-12 2019-01-18 京东方科技集团股份有限公司 显示基板、显示面板、显示装置及显示基板的制造方法
US11003014B2 (en) 2018-10-12 2021-05-11 Boe Technology Group Co., Ltd. Display substrate and method for manufacturing the same, display panel and display device
CN111176012A (zh) * 2020-02-19 2020-05-19 武汉华星光电技术有限公司 曲面显示面板及其制备方法

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