CN103197445B - 液晶显示器和电子设备 - Google Patents
液晶显示器和电子设备 Download PDFInfo
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Abstract
本发明涉及显示技术领域,提供了一种无边框的液晶显示器。本发明实施例提供的液晶显示器,包括限位结构,还包括TFT基板、贴附于所述TFT基板的内侧面的CF基板和设于所述TFT基板的内侧面上特定区域以外的部分或全部区域的胶粘层;所述TFT基板通过所述胶粘层固定到所述限位结构上;其中,所述CF基板的内侧面贴附于所述TFT基板的内侧面上;所述TFT基板内侧面上的特定区域包括所述TFT基板内侧面与所述CF基板内侧面的重合区域以及所述TFT基板的内侧面上用于连接柔性电路板的区域。本发明实施例实现了液晶显示器的无边框设计。
Description
技术领域
本发明涉及显示技术领域,特别涉及一种液晶显示器和电子设备。
背景技术
LCD(Liquid Crystal Display,液晶显示器)为一种平面薄型的显示设备。液晶显示器由于具有机身薄、功耗低、辐射低和画面柔和等特点而得到了快速的普及与发展。
为了实现在同等显示屏尺寸下提高液晶显示器的显示面积,液晶显示器的窄边框设计成为了一种发展趋势,而目前还没有真正实现液晶显示器的无边框设计,即目前还没有一种无边框的液晶显示器。
发明内容
本发明实施例提供的一种液晶显示器和电子设备,用以提供一种无边框的液晶显示器,最大限度的提高显示面积。
本发明实施例提供的一种液晶显示器,包括限位结构,还包括TFT基板、贴附于TFT基板的内侧面的CF基板和设于TFT基板的内侧面上特定区域以外的部分或全部区域的胶粘层;TFT基板通过胶粘层固定到限位结构上;
其中,CF基板的内侧面贴附于TFT基板的内侧面上;
TFT基板内侧面上的特定区域包括TFT基板内侧面与CF基板内侧面的重合区域以及TFT基板的内侧面上用于连接柔性电路板的区域。
进一步的,所述液晶显示器还包括第一偏光片和第二偏光片;所述第一偏光片设于所述TFT基板的外侧面上,所述第二偏光片设于所述CF基板的外侧面上;
其中,第一偏光片为垂直偏光片,第二偏光片为水平偏光片,或者第一偏光片为水平偏光片,第二偏光片为垂直偏光片;所述TFT基板的外侧面为与所述TFT基板的内侧面相对的另一面,所述CF基板的外侧面为与所述CF基板的内侧面相对的CF基板的另一面。
进一步的,所述液晶显示器还包括第一相位延迟膜和第二相位延迟膜;所述第一相位延迟膜设于第一偏光片和TFT基板之间,所述第二相位延迟膜设于第二偏光片和CF基板之间;
其中,第一相位延迟膜和第二相位延迟膜的相位延迟相反。
进一步的,所述第一相位延迟膜为相位延迟膜,所述第二相位延迟膜为相位延迟膜;或者所述第一相位延迟膜为相位延迟膜,第二相位延迟膜为相位延迟膜。
进一步的,所述TFT基板上还设有黑色遮光层,所述黑色遮光层用于防止入射的环境光反射。
进一步的,所述黑色遮光层为黑色树脂层。
进一步的,所述限位结构设于所述TFT基板内侧面上与所述CF基板内侧面的重合区域以外的区域以及所述第二偏光片上的周边区域的部分或全部,用于支撑所述TFT基板以及将所述CF基板固定在所述TFT基板和限位结构之间。
进一步的,所述TFT基板的内侧面完全覆盖所述CF基板内侧面。
进一步的,所述液晶显示器还包括光源和光学膜片,所述光源和光学膜片固定在所述限位结构上。
本发明实施例提供的一种电子设备,包括上述所述的液晶显示器。
由于利用TFT基板内侧面上不与CF基板重合且没有设置柔性电路板的特定区域,通过胶粘层将TFT基板固定到限位结构上,实现了液晶显示器的无边框设计。
附图说明
图1为本发明实施例中液晶显示器局部结构示意图;
图2A~图2E为本发明实施例中液晶显示器的胶粘层位置示意图;
图3为本发明实施例带有相位延迟膜的液晶显示器局部结构示意图;
图4为本发明实施例带有相位延迟膜的液晶显示器显示原理示意图;
图5为本发明实施例带有相位延迟膜的液晶显示器防止入射的环境光反射的原理示意图;
图6为本发明实施例TFT基板带有黑色遮光层的液晶显示器显示原理示意图;
图7为本发明实施例TFT基板带有黑色遮光层的液晶显示器防止入射的环境光反射的原理示意图。
具体实施方式
本发明实施例提供的液晶显示器包括限位结构,还包括TFT基板、贴附于TFT基板的内侧面的CF基板和设于TFT基板的内侧面上特定区域以外的部分或全部区域的胶粘层;TFT基板通过胶粘层固定到限位结构上;其中,CF基板的内侧面贴附于TFT基板的内侧面上;TFT基板内侧面上的特定区域包括TFT基板内侧面与CF基板内侧面的重合区域以及TFT基板的内侧面上用于连接柔性电路板的区域。
需要说明的是,所述TFT基板的内侧面指的是其与CF基板相对的一面,同理,所述CF基板的内侧面指的是其与TFT基板相对的一面,即TFT基板和CF基板的内侧面相对。其中,在TFT基板和CF基板的内侧面上均包含显示区域和非显示区域,在TFT基板的显示区域设置有用于控制不同像素的TFT阵列,在CF基板的显示区域设置有对应不同像素的色阻,所述将CF基板贴附于TFT基板的内侧面上指的是,将TFT基板内侧面与CF基板内侧面正对区域边缘位置的非显示区域上涂布封框胶将TFT基板和CF基板牢固粘接,其封闭空间内注入液晶形成液晶盒。
由于一般TFT基板非显示区域要设置柔性电路板的连接区域,柔性电路板用于驱动各个像素进行显示,因此TFT基板面积大于CF基板,利用TFT基板内侧面上不与CF基板重合且没有设置柔性电路板的特定区域,通过胶粘层将TFT基板固定到限位结构上,将CF基板设置在TFT基板和限位结构之间,相比现有技术限位结构位于TFT基板外围,本发明实施例可以实现液晶显示器的无边框设计。
需要说明的是,本发明实施例中的限位结构可以为胶框、背板或者胶框与背板形成的一体结构,所述限位结构不仅可以用于固定TFT基板、CF基板以及位于其上的膜片和结构,对于液晶显示器,还包括光源和光学膜片,所述限位结构还用于固定光源和光学膜片等结构,这些本发明均不做限定,只要是用于将液晶显示器的各个部件限制在固定位置,实现紧密牢固组装的结构都是本发明实施例所述的限位结构。以下实施例以限位结构为胶框进行说明。
下面结合说明书附图对本发明实施例作进一步详细描述。
如图1所示,本发明实施例提供的液晶显示器,包括胶框101,还包括TFT(ThinFilm Transistor,薄膜晶体管)基板102、贴附于TFT基板102的内侧面的CF(Color Filter,彩膜)基板103和设于TFT基板102的内侧面上特定区域以外的部分或全部区域的胶粘层104;TFT基板102通过胶粘层104固定到胶框101上;其中,CF基板103的内侧面贴附于TFT基板102的内侧面上;TFT基板102内侧面上的特定区域包括TFT基板102内侧面与CF基板103内侧面的重合区域以及TFT基板102的内侧面上用于连接柔性电路板的区域105。
需要说明的是,图1为本发明实施例无边框液晶显示器俯视图的局部视图。
实施例中,由于通过胶粘层104将贴附有CF基板103的TFT基板102固定到胶框101上,利用TFT基板上未贴附有CF基板的区域与胶框进行固定,省去了胶框设置在TFT基板的外围形成的液晶显示器的边框,从而实现了液晶显示器的无边框设计。
较佳地,TFT基板102的内侧面完全覆盖CF基板103的内侧面。
较佳地,如图2A~图2E所示,TFT基板102的内侧面完全覆盖CF基板103的内侧面,图2A~图2E为本发明实施例无边框液晶显示器的主视图。
较佳地,如图2A~图2E所示,TFT基板102的内侧面的四条边不小于CF基板103的内侧面对应的四条边,下面将对TFT基板102的内侧面的四条边不小于CF基板103的内侧面对应的四条边的几种比较典型的情况进行详细介绍。
具体实施例中,TFT基板102的内侧面上柔性电路板连接区域105对应的侧边的边长大于CF基板103的内侧面对应的侧边的边长。
比如,以图2A为例,在图2A中,A区域为TFT基板102内侧面与CF基板103内侧面的重合区域,柔性电路板连接区域105设于TFT基板102的内侧面上A区域以外的区域,并且一部分设于TFT基板102内侧面上TFT基板102的X侧边与CF基板103的X侧边之间,另一部分设于TFT基板102内侧面上TFT基板102的Y侧边与CF基板103的Y侧边之间。
则在具体实施例中,TFT基板102的内侧面上柔性电路板连接区域105对应的X侧边的边长大于CF基板103的内侧面对应的X侧边的边长,以及TFT基板102的内侧面上柔性电路板连接区域105对应的Y侧边的边长大于CF基板103的内侧面对应的Y侧边的边长。
具体实施例中,TFT基板102的内侧面上柔性电路板连接区域105对应的侧边以外的侧边的边长也可以大于CF基板103的内侧面对应的侧边的边长。
比如,在图2C和图2D中,A区域为TFT基板102内侧面与CF基板103内侧面的重合区域,柔性电路板连接区域105设于TFT基板102的内侧面上A区域以外的区域,并且一部分设于TFT基板102内侧面上TFT基板102的X侧边与CF基板103的X侧边之间,另一部分设于TFT基板102内侧面上TFT基板102的Y侧边与CF基板103的Y侧边之间。
则在图2C中,TFT基板102的内侧面上非柔性电路板连接区域105对应的Z侧边的边长大于CF基板103的内侧面对应的Z侧边的边长;在图2D中,TFT基板102的内侧面上非柔性电路板连接区域105对应的T侧边的边长大于CF基板103的内侧面对应的T侧边的边长。
具体实施例中,可以TFT基板102的内侧面的四条边均大于CF基板103的内侧面对应的四条边。
比如,在图2E中,A区域为TFT基板102内侧面与CF基板103内侧面的重合区域,柔性电路板连接区域105设于TFT基板102的内侧面上A区域以外的区域,并且一部分设于TFT基板102内侧面上TFT基板102的X侧边与CF基板103的X侧边之间,另一部分设于TFT基板102内侧面上TFT基板102的Y侧边与CF基板103的Y侧边之间。
TFT基板102的内侧面的四条边均大于CF基板103的内侧面对应的四条边,即TFT基板102的内侧面的X侧边的边长大于CF基板103的内侧面对应的X侧边的边长,TFT基板102的内侧面的Y侧边的边长大于CF基板103的内侧面对应的Y侧边的边长,TFT基板102的内侧面的Z侧边的边长大于CF基板103的内侧面对应的Z侧边的边长,TFT基板102的内侧面的T侧边的边长大于CF基板103的内侧面对应的T侧边的边长。
实施例中,由于TFT基板102的内侧面的四条边大于CF基板103的内侧面对应的四条边,从而扩大了胶粘层104的位置,实现保证无边框的液晶显示器的稳定性。
较佳地,胶粘层104设于TFT基板102的内侧面上特定区域以外的部分或区域,下面将分别进行介绍。
具体实施例中,胶粘层104设于TFT基板102的内侧面上特定区域以外的部分区域。
比如,在图2A中,A区域为TFT基板102内侧面与CF基板103内侧面的重合区域,一部分柔性电路板连接区域105设于TFT基板102内侧面上TFT基板102的X侧边与CF基板103的X侧边之间的部分区域,另一部分柔性电路板连接区域105设于TFT基板102内侧面上TFT基板102的Y侧边与CF基板103的Y侧边之间的部分区域;胶粘层104设于TFT基板102的内侧面上特定区域以外的部分区域。
具体实施例中,胶粘层104设于TFT基板102的内侧面上特定区域以外的全部区域。
比如,在图2B中,A区域为TFT基板102内侧面与CF基板103内侧面的重合区域,一部分柔性电路板连接区域105设于TFT基板102内侧面上TFT基板102的X侧边与CF基板103的X侧边之间的部分区域,另一部分柔性电路板连接区域105设于TFT基板102内侧面上TFT基板102的Y侧边与CF基板103的Y侧边之间的部分区域;胶粘层104设于TFT基板102的内侧面上特定区域以外的全部区域。
实施例中,由于胶粘层104设于TFT基板102的内侧面上特定区域以外的全部区域,从而实现保证无边框的液晶显示器的稳定性。
具体实施例中,在TFT基板102和CF基板103之间还封装有液晶层,TFT基板102、CF基板103和液晶层构成液晶盒。
较佳地,如图1所示,本发明实施例的液晶显示器还包括第一偏光片106和第二偏光片107;第一偏光片设于TFT基板102的外侧面上,第二偏光片107设于CF基板103的外侧面上。
其中,TFT基板102的外侧面为与TFT基板102的内侧面相对的另一面;CF基板103的外侧面为与CF基板103的内侧面相对的CF基板103的另一面。
较佳地,第一偏光片106为垂直偏光片,第二偏光片107为水平偏光片,或者第一偏光片106为水平偏光片,第二偏光片107为垂直偏光片。
实施例中,由于液晶显示器包括第一偏光片106和第二偏光片107,通过电压控制液晶偏转,以及第一偏光片106和第二偏光片107的配合,控制光线透过率,从而保证无边框的液晶显示器实现正常显示。
较佳地,如图3所示,本发明实施例的液晶显示器还包括第一相位延迟膜108和第二相位延迟膜109;第一相位延迟膜108设于第一偏光片106和TFT基板102之间,第二相位延迟膜109设于第二偏光片107和CF基板103之间。
其中,第一相位延迟膜108和第二相位延迟膜109的相位延迟相反。
具体实施例中,任何能实现相反的相位延迟的第一相位延迟膜108和第二相位延迟膜109都适用于本发明实施例。
较佳地,第一相位延迟膜108为相位延迟膜,第二相位延迟膜109为相位延迟膜,或第一相位延迟膜108为相位延迟膜,第二相位延迟膜109为相位延迟膜。
需要说明的是,图3为本发明实施例无边框液晶显示器俯视图的局部视图。
实施例中,由于液晶显示器包括第一相位延迟膜108和第二相位延迟膜109,从而保证无边框的液晶显示器能够防止入射的环境光反射。
下面将以第一偏光片106为垂直偏光片,第二偏光片107为水平偏光片,第一相位延迟膜108为相位延迟膜,第二相位延迟膜109为相位延迟膜为例,对本发明实施例的带有相位延迟膜的液晶显示器的显示原理进行说明,其他情况的实施方式与本发明实施例的实施方式类似,在此不再赘述。
如图4所示,第一入射光通过第二偏光片107成为水平偏振光,该水平偏振光通过第二相位延迟膜109后成为左圆偏振光,该左圆偏振光通过液晶盒;
如果将液晶盒通电,则左圆偏振光通过液晶盒后仍有左圆偏振光分量,该左圆偏振光分量通过第一相位延迟膜108后成为垂直偏振光,该垂直偏振光能够通过第一偏光片106,因而画面能够正常显示;
如果未将液晶盒通电,则左圆偏振光通过液晶盒后成为右圆偏振光,该右圆偏振光通过第一相位延迟膜108后成为水平偏振光,该水平偏振光不能通过第一偏光片106,因而画面无法显示。
其中,第一入射光为背光源产生的光。
下面将以第一偏光片106为垂直偏光片,第二偏光片107为水平偏光片,第一相位延迟膜108为相位延迟膜,第二相位延迟膜109为相位延迟膜为例,对本发明实施例的带有相位延迟膜的液晶显示器的防止入射的环境光反射原理进行说明,其他情况的实施方式与本发明实施例的实施方式类似,在此不再赘述。
如图5所示,第二入射光通过第一偏光片106后成为垂直偏振光,该垂直偏振光通过第一相位延迟膜108后成为左圆偏振光,该左圆偏振光经过TFT基板102上的结构如电极反射后成为右圆偏振光,该右圆偏振光通过第一相位延迟膜108后成为水平偏振光,该水平偏振光不能通过垂直偏光片,因而本发明实施例的带有相位延迟膜的液晶显示器能够防止入射的环境光反射。
其中,第二入射光为环境光。
较佳地,本发明实施例的液晶显示器的TFT基板上设有黑色遮光层,用于防止入射的环境光反射。黑色遮光层设置于TFT基板内侧面上的显示区域各个像素的周边区域和非显示区域上。
较佳地,黑色遮光层为黑色树脂层。
下面将以第一偏光片106为垂直偏光片,第二偏光片107为水平偏光片为例,对本发明实施例的液晶显示器的TFT基板102包括黑色遮光层时的显示原理进行说明,其他情况的实施方式与本发明实施例的实施方式类似,在此不再赘述。
如图6所示,第一入射光通过第二偏光片107后成为水平偏振光,该水平偏振光通过液晶盒;
如果将液晶盒通电,则该水平偏振光通过液晶盒后成为垂直偏振光,该垂直偏振光能够通过第一偏光片106,因而画面能够正常显示;
如果未将液晶盒通电,则该水平偏振光通过液晶盒后仍为水平偏振光,该水平偏振光不能通过第一偏光片106,因而画面无法显示。
其中,第一入射光为背光源产生的光。
下面将以第一偏光片106为垂直偏光片,第二偏光片107为水平偏光片为例,对本发明实施例的液晶显示器的TFT基板102包括黑色遮光层时的防止入射的环境光反射原理进行说明,其他情况的实施方式与本发明实施例的实施方式类似,在此不再赘述。
如图7所示,第二入射光通过第一偏光片106后成为垂直偏振光,该垂直偏振光射入到TFT基板102,由于TFT基板102包括黑色遮光层110,可以吸收大部分光线,使得第二入射光反射后得到的光很微弱,从而本发明实施例的TFT基板102包括黑色遮光层110的液晶显示器能够防止入射的环境光反射。
其中,第二入射光为环境光。
较佳地,如图1、图3所示,胶框101设于TFT基板102内侧面上与CF基板103内侧面的重合区域以外的区域以及第二偏光片107上的周边区域,用于支撑所述TFT基板102以及将所述CF基板103及位于其上的如第二偏光片107等结构固定在所述TFT基板102和胶框101之间。
其中,TFT基板102内侧面上与CF基板103内侧面的重合区域以外的区域为TFT基板102内侧面上与CF基板103内侧面正对区域以外的区域。
其中,胶框101可以设于第二偏光片107上的周边区域中的部分区域或全部区域,如设于第二偏光片107周边区域的两个侧边、三个侧边、四个侧边或者四个角等,这些本发明均不做限定,只要胶框可以将CF基板稳固的支撑,使其与TFT基板紧密结合即可。
比如,假设无边框液晶显示器主视图如图2A所示,无边框液晶显示器B部分的俯视图如图1所示,则如图1所示,一部分胶框101设于TFT基板102内侧面上TFT基板102的X侧边与CF基板103的X侧边之间的区域,一部分胶框101设于TFT基板102内侧面上TFT基板102的Y侧边与CF基板103的Y侧边之间的区域(被CF基板103和第二偏光片107遮挡住的部分在图1中用虚线表示),其余部分胶框101设于第二偏光片107上的周边区域。
实施例中,由于胶框101设于TFT基板102内侧面与CF基板103内侧面的重合区域以外的区域和第二偏光片107上的周边区域,从而保证无边框的液晶显示器更稳定。
具体实施例中,本发明实施例的液晶显示器还包括光源LED111(Light EmittingDiode,发光二极管)、光学膜层112和背板113,其中,本发明实施例的液晶显示器中LED111、光学膜层112和背板113相互之间的连接关系与现有技术中LED、光学膜层和背板相互之间的连接关系相同。其中,图中以侧入式光源为例进行示意,光学膜层可以包括导光板、扩散膜、棱镜膜、反射片等结构,光源和反射片位于背板113上,反射片上为导光板和其他光学膜片,光源位于光学膜片中导光板的一侧;对于直下式光源,光学膜层可以包括扩散板、扩散膜、棱镜膜、反射片等结构,光源置于背板113上,光学膜层置于光源上方。连接在TFT基板上的柔性电路板通过柔性扁平电缆从光源的背面绕过,置于背板之上,进一步实现液晶显示器的无边框设计。
较佳地,本发明实施例提供的电子设备,包括所述的液晶显示器。
具体实施例中,本发明实施例的电子设备可以是带有液晶显示器的所有电子设备,比如,台式电脑、计算器等。
尽管已描述了本发明的优选实施例,但本领域内的技术人员一旦得知了基本创造性概念,则可对这些实施例作出另外的变更和修改。所以,所附权利要求意欲解释为包括优选实施例以及落入本发明范围的所有变更和修改。
显然,本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样,倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内,则本发明也意图包含这些改动和变型在内。
Claims (7)
1.一种液晶显示器,包括限位结构,其特征在于,还包括TFT基板、贴附于所述TFT基板的内侧面的CF基板和设于所述TFT基板的内侧面上特定区域以外的部分或全部区域的胶粘层;所述TFT基板通过所述胶粘层固定到所述限位结构上;
所述CF基板的内侧面贴附于所述TFT基板的内侧面上;
所述液晶显示器还包括第一偏光片和第二偏光片;所述第一偏光片设于所述TFT基板的外侧面上,所述第二偏光片设于所述CF基板的外侧面上;
其中,第一偏光片为垂直偏光片,第二偏光片为水平偏光片,或者第一偏光片为水平偏光片,第二偏光片为垂直偏光片;所述TFT基板的外侧面为与所述TFT基板的内侧面相对的另一面,所述CF基板的外侧面为与所述CF基板的内侧面相对的CF基板的另一面;
所述限位结构设于所述TFT基板内侧面上的所述特定区域以外的区域以及所述第二偏光片上的周边区域的部分或全部,用于支撑所述TFT基板以及将所述CF基板固定在所述TFT基板和限位结构之间;其中,所述TFT基板内侧面上的特定区域包括所述TFT基板内侧面与所述CF基板内侧面的重合区域以及所述TFT基板的内侧面上用于连接柔性电路板的区域;
所述液晶显示器还包括背板,所述背板设置于所述限位结构的下方,且所述背板的外侧边沿与所述限位结构的外侧边沿平齐;
所述液晶显示器还包括第一相位延迟膜和第二相位延迟膜;所述第一相位延迟膜设于第一偏光片和TFT基板之间,所述第二相位延迟膜设于第二偏光片和CF基板之间;
其中,第一相位延迟膜和第二相位延迟膜的相位延迟相反。
2.如权利要求1所述的液晶显示器,其特征在于,所述第一相位延迟膜为相位延迟膜,所述第二相位延迟膜为相位延迟膜;或者所述第一相位延迟膜为相位延迟膜,第二相位延迟膜为相位延迟膜。
3.如权利要求1所述的液晶显示器,其特征在于,所述TFT基板上还设有黑色遮光层,所述黑色遮光层用于防止入射的环境光反射。
4.如权利要求3所述的液晶显示器,其特征在于,所述黑色遮光层为黑色树脂层。
5.如权利要求1所述的液晶显示器,其特征在于,所述TFT基板的内侧面完全覆盖所述CF基板内侧面。
6.如权利要求1所述的液晶显示器,其特征在于,还包括光源和光学膜片,所述光源和光学膜片固定在所述背板上。
7.一种电子设备,其特征在于,包括如权利要求1~6任一项所述的液晶显示器。
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