CN104460066B - 一种液晶显示器 - Google Patents

一种液晶显示器 Download PDF

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CN104460066B
CN104460066B CN201410834748.1A CN201410834748A CN104460066B CN 104460066 B CN104460066 B CN 104460066B CN 201410834748 A CN201410834748 A CN 201410834748A CN 104460066 B CN104460066 B CN 104460066B
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liquid crystal
crystal display
side wall
crystal panel
adhesive tape
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CN104460066A (zh
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郭庆
谢晨
刘中杰
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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 US14/417,817 priority patent/US9766498B2/en
Priority to PCT/CN2015/071224 priority patent/WO2016101375A1/zh
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  • Physics & Mathematics (AREA)
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  • Crystallography & Structural Chemistry (AREA)
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Abstract

本发明涉及一种液晶显示器，其包括：液晶面板；与液晶面板相接合的背光模组，其包括具有发光元件的导光板、光学膜片组和反射板；扣在液晶面板和背光模组外的且具有底壁和侧壁的玻璃罩，玻璃罩的侧壁的内表面与液晶面板的两侧部和背光模的两侧部均接触；分别设置在背光模组的顶端和底端处的且均能与玻璃罩的侧壁相接合的第一和第二定位胶条。根据本发明的液晶显示器具有更窄的侧边框，从而满足液晶显示器的发展需求。

Description

一种液晶显示器
技术领域
本发明涉及一种液晶显示器，尤其是能够具有更窄侧边框的液晶显示器。
背景技术
如当今社会中，液晶显示器已成为手机、电脑等电子产品以及相关机械设备必不可缺的重要组成，其可通过显示内容向人们传递某种信息，以使人们能够及时获知该信息。
液晶显示器主要包括液晶面板、背光模组和胶框。该背光模组包括光学膜片组、导光板和反射板。其中，液晶显示器的胶框通常需要定位背光模组，以确保背光模组不易受到损伤。如果要实现定位和保护功能，就需要胶框具有一定强度，为了保证强度，胶框就必须具有一定的厚度和宽度。
随着窄边框的液晶显示器越来越受人们青睐，现有的液晶显示器的边框做得越来越窄。但是，由于胶框的结构严重制约液晶显示器的边框，尤其是制约靠近两侧的侧边框变窄，使得现有的液晶显示器的侧边框无法继续变窄。
因此，需要一种液晶显示器，其能具有更窄的侧边框，以满足液晶显示器的发展需求。
发明内容
为了解决上述问题，本发明的目的是提供一种液晶显示器，其能具有更窄的侧边框，从而满足液晶显示器的发展需求
本发明提供了一种液晶显示器，其包括：液晶面板；与液晶面板的背面相接合的背光模组，其包括依次远离液晶面板的光学膜片组、具有发光元件的导光板和反射板；扣在液晶面板和背光模组外的玻璃罩，其包括底壁和从底壁的外缘处整体式朝反射板延伸并抵靠在反射板上的侧壁，玻璃罩的侧壁的内表面与液晶面板的横向上的两侧部和背光模组的横向上的两侧部均接触；分别设置在背光模组的顶端和底端处的且均能与玻璃罩的侧壁的内表面相接合的第一和第二定位胶条。
在一个实施例中，各定位胶条均包括矩形本体和开设在矩形本体的一个棱边处的台阶结构。
在一个实施例中，光学膜片组的顶端搭接在第一定位胶条的台阶结构内，而其底端抵靠在第二定位胶条上，导光板的底端搭接在第二定位胶条的台阶结构内，而其顶端抵靠在第一定位胶条上。
在一个实施例中，各定位胶条的两端均与玻璃罩的侧壁的内表面相接触。
在一个实施例中，光学膜片组包括从液晶面板朝导光板的方向依次布置的扩散膜、增亮膜和扩散膜。
在一个实施例中，玻璃罩的侧壁相对于底壁的高度等于背光模组与液晶面板的厚度之和。
在一个实施例中，液晶面板包括依次堆叠的偏光膜、彩膜基板、液晶层、阵列基板和偏光片，以及驱动电路和印刷电路板。
在一个实施例中，在玻璃罩的侧壁的内表面或外表面上设有吸光涂层。
在一个实施例中，反射板构造成当反射板与玻璃罩的侧壁接触后，处于该侧壁的外部的反射板能够在折弯后与玻璃罩的侧壁的外表面相贴合。
在一个实施例中，玻璃罩的厚度大于0.4mm。
根据本发明的液晶显示器通过玻璃罩的侧壁可实现液晶面板和背光模组的横向定位，再通过第一和第二定位胶条可实现液晶面板和背光模组的竖直方向定位，最后通过玻璃罩和反射板的相互作用可实现液晶面板和背光模组的纵向定位，使得液晶面板和背光模组能够被固定在一起，进而阻止它们发生任何相对运动。另外，由于液晶显示器的横向上的侧部并未设置类似于胶框的结构，而且只有厚度非常薄的玻璃罩的侧壁，因此本发明的液晶显示器具有更加狭窄的侧边框，从而满足液晶显示器的发展需求。
另外，根据本发明的液晶显示器的结构简单、装配容易，使用安全，便于实施推广应用。
附图说明
在下文中将基于实施例并参考附图来对本发明进行更详细的描述。其中：
图1示意性地显示了根据本发明的液晶显示器；
图2是图1所示液晶显示器的竖向剖视图；
图3是图1所示液晶显示器的横向剖视图；以及
图4是根据本发明的液晶显示器的第一定位胶条，另外第二定位胶条与第一定位胶条的形状相同。
在附图中相同的部件使用相同的附图标记。附图并未按照实际的比例绘制。
具体实施方式
下面将结合附图对本发明作进一步说明。
图1显示了根据本发明的液晶显示器10。液晶显示器10可为薄膜晶体管液晶显示器，英文名称的缩写为TFT LCD。如图1和2所示，该液晶显示器10包括液晶面板5。液晶面板5具有正面和背面，使用时朝向人面部的端面为正面，使用时背向人面部的端面为背面。
液晶面板5可选为薄膜晶体管液晶显示器的液晶面板，该液晶面板5包括依次堆叠的偏光膜、彩膜基板、液晶层、阵列基板和偏光片，驱动电路和印刷电路板。驱动电路通过印刷电路板与阵列基板相连。其中，所述的薄膜晶体管液晶显示器的液晶面板属于本领域技术人员熟知的，在此不作详细说明。在各附图中，V代表竖向或竖直方向，L代表纵向，T代表横向；顶端是竖直方向V上靠近上方的部位，底端是竖直方向V上靠近下方的部位，侧部是横向T上靠近左方或靠近右方的部位。
如图1和图2所示，液晶显示器10还包括与液晶面板5的背面相接合的背光模组6。背光模组6用于向液晶面板5提供所需光源，以便其能够清晰地显示画面。该背光模组6包括依次远离液晶面板5的光学膜片组61、具有发光元件(未示出)的导光板62和反射板63。其中，发光元件可选为能够调节亮度的LED灯，以便调整液晶显示器10的亮度。反射板63还可以称为反光膜，其和发光元件均属于本领域技术人员熟知的内容，在此不作详细描述。
在一个实施例中，光学膜片组61可包括从液晶面板5朝导光板62的方向依次布置的扩散膜、增亮膜和扩散膜。其中，扩散膜、增亮膜和扩散膜均属于本领域技术人员熟知的内容，在此不作详细描述。除此之外，光学膜片组61也可以为其他结构，例如添加或删减相应膜片后形成的结构。
该液晶显示器10还包括扣在液晶面板5和背光模组6外的玻璃罩3。为了保证强度需求，玻璃罩3的厚度需要大于0.4mm。玻璃罩3包括平行与液晶面板5的底壁3a和从底壁3a的外缘处整体式朝反射板63延伸的并能抵靠在反射板63上的侧壁3b，其由图2和图3可清晰显示。如图3所示，玻璃罩3的侧壁3b的内表面与液晶面板5的横向T上的两侧部(即侧部5a和侧部5b)以及背光模组6的横向T上的两侧部(即侧部6a和侧部6b)均相接触，以便实现液晶面板5和背光模组6的横向定位，即沿横向T的定位。
如图2所示，液晶显示器10还包括设置在背光模组6的顶端(即竖直方向V上靠上方的端部)处能与玻璃罩3的侧壁3b的内表面相接合的第一定位胶条7a，以及设置在背光模组的底端(即竖直方向V上靠下方的端部)处且能与玻璃罩3的侧壁3b的内表面相接合的第二定位胶条7b。这两个定位胶条能够实现液晶面板5和背光模组6的竖直方向定位，即沿竖向V的定位。其中，第一定位胶条7a和第二定位胶条7b均由橡胶材料制成。
然而，由于液晶面板5和背光模组6的组合体处于玻璃罩3和反射板63之间，由此可以实现液晶面板5和背光模组6的纵向定位，即沿纵向L的定位。通过上述三个方向的定位，可以把液晶面板5与背光模组6固定在一起，进而阻止它们之间发生任何相对运动。另外，由于液晶显示器10的横向上的两个侧部并未设置类似于胶框的结构，而且只有厚度非常薄的玻璃罩3的侧壁3b，因此本发明的液晶显示器10具有更加狭窄的的侧边框，从而满足液晶显示器的发展需求。
在一个实施例中，第一定位胶条7a和第二定位胶条7b均包括矩形本体71和开设在矩形本体71的一个棱边处的台阶结构72(见图4)。由此可知，第一定位胶条7a与第二定位胶条7b的形状相同。其中，所谓的台阶结构72是在矩形本体71的棱边处切除一个矩形条后形成的豁口，以用于接收并定位光学膜片组61或导光板62的边缘。容易理解，各定位胶条的厚度均应略大于背光模组6的厚度，以便满足定位需求。
在该液晶显示器10组装完成后，光学膜片组61的顶端(即竖直方向V上靠近上方的端部)搭接在第一定位胶条7a的台阶结构72内，而其底端(即竖直方向V上靠近下方的端部)抵靠在第二定位胶条7b上；导光板62的底端(即竖直方向V上靠近上方的端部)搭接在第二定位胶条7b的台阶结构72内，而其顶端(即竖直方向V上靠近下方的端部)抵靠在第一定位胶条7a上。通过这种方式，能够稳定地定位液晶面板5和背光模组6，使得它们不能沿着纵向L进行运动，同时还可以防止背光模组6沿着竖向V进行运动。
在一个优选的实施例中，第一定位胶条7a的两端均与玻璃罩3的侧壁3b的内表面相接触，而第二定位胶条7b的两端也均与玻璃罩3的侧壁3b的内表面相接触。通过这种方式，能够增加各定位条与液晶面板5或背光模组6之间的接触面，从而进一步加强各定位胶条的定位作用。
在一个优选的实施例中，玻璃罩3的侧壁3b相对于底壁3a的高度H大致等于背光模组6与液晶面板5的厚度之和。通过这种方式，玻璃罩3和反射板63便能对液晶面板5和背光模组6的组合进行纵向定位，以避免液晶面板5或背光模组6沿着纵向L进行移动。
为了防止玻璃罩3的侧壁3b向外漏光，在玻璃罩3的侧壁3b的内表面或外表面上可设有吸光涂层。通过吸光涂层的吸光作用，能够有效地防止光从玻璃罩3的侧壁3b上向外照出。其中，吸光涂层可选为能够涂覆在玻璃罩3的侧壁3b上的黑色涂料，当然其也可选其他涂料、油漆或吸光物质。
为了增强反射板63与玻璃罩3连接的稳定性，反射板63的面积应大于玻璃罩3的底壁3a的面积。当反射板63与玻璃罩3的侧壁3b接触后，处于玻璃罩3的侧壁3b外的反射板63能够在折弯后与玻璃罩3的侧壁3b的外表面相贴合。通过这种方式，能够有效地增强反射板63与玻璃罩3连接的稳定性。在一个优选的实施例中，反射板63与玻璃罩3之间可通过双面胶粘合，以增强两者连接的稳定性。
综上可知，根据本发明的液晶显示器10具有更窄的侧边框，从而满足液晶显示器的发展需求。
虽然已经参考优选实施例对本发明进行了描述，但在不脱离本发明的范围的情况下，可以对其进行各种改进并且可以用等效物替换其中的部件。尤其是，只要不存在结构冲突，各个实施例中所提到的各项技术特征均可以任意方式组合起来。本发明并不局限于文中公开的特定实施例，而是包括落入权利要求的范围内的所有技术方案。

Claims (8)

1.一种液晶显示器，包括：
液晶面板；
与所述液晶面板的背面相接合的背光模组，其包括依次远离所述液晶面板的光学膜片组、具有发光元件的导光板和反射板；
扣在所述液晶面板和背光模组外的玻璃罩，其包括底壁和从所述底壁的外缘处整体式朝所述反射板延伸并抵靠在所述反射板上的侧壁，所述侧壁的内表面与所述液晶面板的横向上的两侧部和背光模组的横向上的两侧部均接触；
分别设置在所述背光模组的顶端和底端处的且均能与所述侧壁的内表面相接合的第一和第二定位胶条；
所述第一和第二定位胶条均包括矩形本体和开设在所述矩形本体的一个棱边处的台阶结构；
光学膜片组的顶端搭接在第一定位胶条的台阶结构内，其底端抵靠在第二定位胶条上；导光板的底端搭接在第二定位胶条的台阶结构内，其顶端抵靠在第一定位胶条上。
2.根据权利要求1所述的液晶显示器，其特征在于，所述第一和第二定位胶条的两端均与所述侧壁的内表面相接触。
3.根据权利要求1或2所述的液晶显示器，其特征在于，所述光学膜片组包括从所述液晶面板朝所述导光板的方向依次布置的扩散膜、增亮膜和扩散膜。
4.根据权利要求1或2所述的液晶显示器，其特征在于，所述侧壁相对于底壁的高度等于所述背光模组与所述液晶面板的厚度之和。
5.根据权利要求1或2所述的液晶显示器，其特征在于，所述液晶面板包括依次堆叠的偏光膜、彩膜基板、液晶层、阵列基板和偏光片，以及驱动电路和印刷电路板。
6.根据权利要求1或2所述的液晶显示器，其特征在于，在所述侧壁的内表面或外表面上设有吸光涂层。
7.根据权利要求1或2所述的液晶显示器，其特征在于，所述反射板构造成当所述反射板与侧壁接触后，处于所述侧壁的外部的所述反射板能够在折弯后与所述侧壁的外表面相贴合。
8.根据权利要求1或2所述的液晶显示器，其特征在于，所述玻璃罩的厚度大于0.4mm。
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