CN110794629A - 液晶显示装置 - Google Patents

液晶显示装置 Download PDF

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CN110794629A
CN110794629A CN201910268120.2A CN201910268120A CN110794629A CN 110794629 A CN110794629 A CN 110794629A CN 201910268120 A CN201910268120 A CN 201910268120A CN 110794629 A CN110794629 A CN 110794629A
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liquid crystal
hole
thin film
film transistor
transistor substrate
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张国洲
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Beijing Yongtai Yicheng Chemical Technology Co ltd
Hon Hai Precision Industry Co Ltd
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Beijing Yongtai Yicheng Chemical Technology Co ltd
Hon Hai Precision Industry Co Ltd
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Abstract

一种液晶显示装置，其包括层叠设置的背光模组与液晶面板。所述液晶面板包括彩色滤光基板、与彩色滤光基板对置的薄膜晶体管基板、夹设于所述彩色滤光基板与所述薄膜晶体管基板之间的液晶层以及配置于所述薄膜晶体管基板远离所述液晶层一侧的下偏光片，其中下偏光片靠近所述背光模组。所述背光模组中开设有摄像孔，该摄像孔还贯穿下偏光片。所述摄像孔包括孔底壁和孔侧壁，孔底壁由薄膜晶体管基板限定形成，所述孔底壁和孔侧壁二者相接的区域设置有胶粘层以封堵光线的泄漏。本发明通过胶粘层的设置，封堵光线的泄漏，解决因各部件制造与组装等公差累积加总造成的光源泄漏缺陷。

Description

液晶显示装置
技术领域
本发明涉及一种液晶显示装置，尤其涉及一种高屏占比的全面屏的液晶显示装置。
背景技术
现有的液晶显示装置，其通常包括层叠设置的液晶面板和背光模组。以手机为例，高屏占比的全面屏手机开始越来越被消费者所青睐，高屏占比的全面屏设计在传统的手机外形不变的前提下，加大屏幕占比，减小上下手机边框，给消费者更好的视觉体验。
发明内容
而为了获得更高的屏占比，本申请的发明人研究了一种液晶显示装置的设计为：摄像孔设置于显示区内，摄像模组设置在液晶面板的显示区的下方(即，位于液晶面板的与观察者侧相反的背面侧)。然而，因背光模组与液晶面板结合的区域通常无法保证百分之百紧密贴合，导致背光模组的光线会通过背光模组与液晶面板二者结合的区域泄漏。
鉴于此，有必要提供一种有效解决上述问题的液晶显示装置。
一种液晶显示装置，其包括：
背光模组，
与背光模组层叠设置的液晶面板，所述液晶面板包括彩色滤光基板、与彩色滤光基板对置的薄膜晶体管基板、夹设于所述彩色滤光基板与所述薄膜晶体管基板之间的液晶层以及配置于所述薄膜晶体管基板远离所述液晶层一侧的下偏光片，其中下偏光片靠近所述背光模组，
所述背光模组中开设有摄像孔，该摄像孔还贯穿下偏光片；
所述摄像孔包括孔底壁和孔侧壁，孔底壁由薄膜晶体管基板限定形成，所述孔底壁和孔侧壁二者相接的区域设置有胶粘层以封堵光线的泄漏。
本发明通过胶粘层的设置，封堵光线的泄漏，解决因各部件制造与组装等公差累积加总造成的光源泄漏缺陷。
附图说明
图1为本发明较佳实施例的液晶显示装置的示意图。
图2为沿图1中的剖面线II-II剖开的剖面示意图。
图3为图2的III部的放大示意图。
图4为图1的液晶显示装置的局部仰视示意图。
主要元件符号说明
Figure BDA0002017493490000031
具体实施方式将结合上述附图进一步说明本发明。
具体实施方式
附图中示出了本发明的实施例，本发明可以通过多种不同形式实现，而并不应解释为仅局限于这里所阐述的实施例。相反，提供这些实施例是为了使本发明更为全面和完整的公开，并使本领域的技术人员更充分地了解本发明的范围。为了清晰可见，在图中，层和区域的尺寸被放大了。
除非另外定义，这里所使用的所有术语(包括技术和科学术语)具有与本发明所述领域的普通技术人员所通常理解的含义相同的含义。还应当理解，比如在通用的辞典中所定义的那些的术语，应解释为具有与它们在相关领域的环境中的含义相一致的含义，而不应以过度理想化或过度正式的含义来解释，除非在本文中明确地定义。
请参阅图1，本发明较佳实施例的液晶显示装置100定义有显示区101。本实施例中，该液晶显示装置100为一全面屏的手机，即整个正面基本都是显示区101。所述显示区101中设置有一摄像区102。所述摄像区102为非显示区。本实施例中，所述摄像区102为圆形的。
请参阅图2，所述液晶显示装置100包括依次层叠设置的透明盖板40、液晶面板10以及背光模组30。所述背光模组30对应所述摄像区102的位置开设有摄像孔103。所述摄像孔103中设置有摄像模组(图未示)。所述液晶面板10对应所述摄像区102的位置为透光区域，以不影响摄像模组的摄像功能。另外，图2中省略了液晶显示装置100中用以装设容置液晶面板10和背光模组30的框体。
所述液晶面板10为本领域常规使用的液晶面板，其包括彩色滤光基板12、与彩色滤光基板12相对设置的薄膜晶体管(TFT)基板13、以及夹设于彩色滤光基板12和TFT基板13之间的液晶层14。所述液晶面板10还包括上偏光片11和下偏光片18，其中上偏光片11层叠在彩色滤光基板12远离液晶层14的一侧，下偏光片18层叠在TFT基板13远离液晶层14的一侧。透明盖板40设置靠近上偏光片11，下偏光片18靠近所述背光模组30。TFT基板13包括透明基底131及形成在透明基底131上的导电元件(图未示)，如TFT、数据线、扫描线等等。彩色滤光基板12(或称为对向基板)包括透明基底(图未示)及形成在透明基底上的彩色滤光层(图未示)。
为不影响摄像模组的摄像功能，所述液晶面板10的彩色滤光基板12和TFT基板13对应摄像区102的位置设置为透光的；而上偏光片11和下偏光片18不是透明的，因此，所述上偏光片11对应摄像区102开设有贯穿所述上偏光片11的通孔111，所述摄像孔103还贯穿所述下偏光片18，如图2所示。也即，下偏光片18上的通孔与开设在背光模组30中的孔对齐连通，共同构成摄像孔103。
如图2所示，所述背光模组30为本领域常规使用的侧入式的背光模组，其包括承载该背光模组30的光学元件的背板31。光学元件包括依次层叠在所述背板31上的反射片32、导光板33、光学膜片组34等元件，其中所述光学膜片组34相对靠近所述液晶面板10。具体的，所述背光模组30的光学膜片组34结合在所述液晶面板10的下偏光片18上。所述背光模组30还包括设置在导光板33一侧的光源(图未示)。所述光学膜片组34至少包括层叠设置的扩散片(图未示)、增亮膜(图未示)等。
如图2所示，所述反射片32、导光板33、光学膜片组34基本均为平板状。所述摄像孔103贯穿所述反射片32、导光板33、光学膜片组34。所述背板31的主体结构为平板状，其层叠在反射片32远离液晶面板10的一侧，且所述背板31在摄像区102的位置弯折向液晶面板10的方向延伸至TFT基板13的透明基底131，从而所述背板31的部分限定形成所述摄像孔103的孔侧壁。对应摄像区102的透明基底131的部分形成为摄像孔103的孔底壁。
如图2和图3所示，本实施例中，所述背板31并未直接接触TFT基板13的透明基底131，背板31位于摄像区102的端部与透明基底131二者之间具有一小间距。可以理解的，其他实施例中，背板31位于摄像区102的端部也可直接接触透明基底131。
由于摄像孔103设置在显示区101中，而背光模组30与液晶面板10的组装结合无法百分百紧密贴合，因此来自背光模组30的光线容易在背光模组30与液晶面板10二者结合的区域泄露。例如，来自背光模组30的光线可穿过背板31与透明基底131之间的间隙并穿过透明基底131漏出或是直接穿过透明基底131漏出(正面漏光)，来自背光模组30的光线还可穿过背板31与透明基底131之间的间隙朝背光模组30方向泄露(背面漏光)，因此所述背板31与所述透明基底131二者相接的区域设置有胶粘层50，也即所述摄像孔103的孔侧壁与其孔底壁二者相接的区域设置有胶粘层50。该胶粘层50局部覆盖透明基底131和背板31。
如图4所示，所述胶粘层50围绕所述摄像孔103的孔底壁的周缘延伸为环状，从而封堵光线的泄漏。所述胶粘层50可采用本领域常规使用的各种胶粘剂，例如热熔胶；其颜色可采用具有遮光能力的颜色，例如黑色等。所述胶粘层50可填充背板31与透明基底131之间的间隙，同时使背板31与透明基底131的结合更加稳固。
进一步的，所述透明基底131朝向背光模组30的表面上还局部设置有遮光层60，该遮光层60围绕所述摄像孔103的孔底壁的周缘延伸为环状，从而进一步起到防漏光的作用。本实施例中，该遮光层60完全遮蔽该胶粘层50，即该遮光层60沿透明基底131的法线方向在透明基底131上的投影完全覆盖该胶粘层50沿透明基底131的法线方向在透明基底131上的投影。此外，如图2所示，该遮光层60还超出摄像孔103的孔底壁在透明基底131朝向背光模组30的表面延伸，以进一步有效防止漏光。所述胶粘层50直接并局部覆盖所述遮光层60。
所述遮光层60可采用喷涂、印刷等本领域常规的方式形成在透明基底131上。所述遮光层60选用本领域常规使用的具有遮光能力的材料。
所述遮光层60需预先形成在透明基底131上，再在透明基底131上贴附开设有第二通孔的所述下偏光片18，可遮蔽因下偏光片18之第二通孔的公差与下偏光片18贴合于透明基底131上的组装偏位公差所造成的局部漏光。
组装所述液晶显示装置100时，需预先分别装配好液晶面板10和背光模组30，在背光模组30的背板31上设置胶粘层50后，且在透明基底131上形成所述遮光层60，然后将背光模组30与液晶面板10组装贴合，由此可遮蔽背光模组30与液晶面板10的组装贴合偏位公差所造成的局部漏光。
以上实施例仅用以说明本发明的技术方案而非限制，图示中出现的上、下、左及右方向仅为了方便理解，尽管参照较佳实施例对本发明进行了详细说明，本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改或等同替换，而不脱离本发明技术方案的精神和范围。

Claims (10)

1.一种液晶显示装置，其包括：
背光模组，
与背光模组层叠设置的液晶面板，所述液晶面板包括彩色滤光基板、与彩色滤光基板对置的薄膜晶体管基板、夹设于所述彩色滤光基板与所述薄膜晶体管基板之间的液晶层以及配置于所述薄膜晶体管基板远离所述液晶层一侧的下偏光片，其中下偏光片靠近所述背光模组，
所述背光模组中开设有摄像孔，该摄像孔还贯穿下偏光片；
其特征在于：所述摄像孔包括孔底壁和孔侧壁，孔底壁由薄膜晶体管基板限定形成，所述孔底壁和孔侧壁二者相接的区域设置有胶粘层以封堵光线的泄漏。
2.如权利要求1所述的液晶显示装置，其特征在于：所述彩色滤光基板和所述薄膜晶体管基板正对摄像孔的区域均设置为透光的。
3.如权利要求1所述的液晶显示装置，其特征在于：所述液晶面板还包括层叠在彩色滤光基板远离薄膜晶体管基板一侧的上偏光片，所述上偏光片开设有贯穿所述上偏光片的通孔与摄像孔正对。
4.如权利要求1所述的液晶显示装置，其特征在于：所述背光模组包括用于承载该背光模组的光学元件的背板，所述背板基本呈平板状，其在摄像孔的位置弯折向液晶面板的方向延伸至薄膜晶体管基板，从而所述背板的部分限定形成所述摄像孔的孔侧壁。
5.如权利要求4所述的液晶显示装置，其特征在于：所述胶粘层围绕所述摄像孔的孔底壁的周缘延伸为环状，所述胶粘层局部覆盖薄膜晶体管基板和背板。
6.如权利要求4所述的液晶显示装置，其特征在于：所述光学元件包括依次层叠设置的反射片、导光板、光学膜片组，其中所述光学膜片组相对靠近所述液晶面板，所述背板层叠在所述反射片远离液晶面板的一侧，所述摄像孔贯穿所述反射片、导光板、光学膜片组。
7.如权利要求4所述的液晶显示装置，其特征在于：背板在摄像孔处的端部与薄膜晶体管基板二者之间具有一间距。
8.如权利要求1所述的液晶显示装置，其特征在于：所述薄膜晶体管基板朝向背光模组的表面上还设置有遮光层，该遮光层围绕所述摄像孔的孔底壁的周缘延伸为环状。
9.如权利要求8所述的液晶显示装置，其特征在于：该遮光层沿该薄膜晶体管基板的法线方向在该薄膜晶体管基板上的投影完全覆盖该胶粘层沿该薄膜晶体管基板的法线方向在该薄膜晶体管基板上的投影。
10.如权利要求9所述的液晶显示装置，其特征在于：该遮光层还超出摄像孔的孔底壁在该薄膜晶体管基板朝向背光模组的表面延伸。
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