WO2017206284A1 - 超薄型液晶显示器 - Google Patents

超薄型液晶显示器 Download PDF

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WO2017206284A1
WO2017206284A1 PCT/CN2016/090075 CN2016090075W WO2017206284A1 WO 2017206284 A1 WO2017206284 A1 WO 2017206284A1 CN 2016090075 W CN2016090075 W CN 2016090075W WO 2017206284 A1 WO2017206284 A1 WO 2017206284A1
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liquid crystal
crystal display
backlight module
array substrate
total reflection
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PCT/CN2016/090075
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English (en)
French (fr)
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陈黎暄
萧宇均
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深圳市华星光电技术有限公司
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Priority to US15/128,199 priority Critical patent/US10185186B2/en
Publication of WO2017206284A1 publication Critical patent/WO2017206284A1/zh

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    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
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Abstract

一种超薄型液晶显示器，包括：液晶面板（100）、与液晶面板（100）相对设置的背光模块（200）以及用于将液晶面板（100）和背光模块（200）进行结合固定的金属外框（300），液晶面板（100）包括：与背光模块（200）相对设置的彩膜基板（110）、位于背光模块（200）与彩膜基板（110）之间且与彩膜基板（110）对盒设置的阵列基板（120）以及封装有芯片的膜片（130）；阵列基板（120）包括其一侧延伸形成的延伸部（121），延伸部（121）上形成有屏电极（122），封装有芯片的膜片（130）上的电极（131）与屏电极（122）键合，并且封装有芯片的膜片（130）贴靠金属外框（300）。超薄型液晶显示器实现了超薄型设计，同时还具有高散热效率。

Description

超薄型液晶显示器 技术领域
本发明属于液晶显示技术领域，具体地讲，涉及一种超薄型液晶显示器。
背景技术
随着光电与半导体技术的演进，也带动了平板显示器(Flat Panel Display)的蓬勃发展，而在诸多平板显示器中，液晶显示器(Liquid Crystal Display，LCD)因具有高空间利用效率、低消耗功率、无辐射以及低电磁干扰等诸多优越特性，已被应用于生产生活的各个方面。
随着人们越来越追求显示器的薄型化，超薄型液晶显示器已经成为市场的热点。如何设计一种超薄型液晶显示器是显示工程师的核心工作之一。
发明内容
为了解决上述问题，本发明提供了一种能够实现超薄化设计的超薄型液晶显示器。
根据本发明的一方面，提供了一种超薄型液晶显示器，包括：液晶面板、与液晶面板相对设置的背光模块以及用于将液晶面板和背光模块进行结合固定的金属外框，液晶面板包括：与背光模块相对设置的彩膜基板、位于背光模块与彩膜基板之间且与彩膜基板对盒设置的阵列基板以及封装有芯片的膜片；阵列基板包括其一侧延伸形成的延伸部，所述延伸部上形成有屏电极，封装有芯片的膜片上的电极与所述屏电极键合，并且封装有芯片的膜片贴靠金属外框。
可选地，所述背光模块包括：玻璃板，与阵列基板相对设置且具有入光侧面；LED光源，邻近于所述入光侧面设置且与封装有芯片的膜片相对设置。
可选地，所述背光模块还包括：全反射层，设置于玻璃板朝向阵列基板的表面上，用于对由LED光源出射至玻璃板朝向阵列基板的表面上的光线进行 全反射。
可选地，所述全反射层的折射率小于所述玻璃板的折射率。
可选地，所述全反射层由二氧化硅材料制成。
可选地，所述背光模块还包括：保护层，设置于全反射层朝向阵列基板的表面上，用于对全反射层进行保护。
可选地，所述金属外框包括：竖直部、由所述竖直部的相对两侧分别沿垂直于所述竖直部的方向延伸形成的第一水平部和第二水平部，所述第一水平部卡合液晶面板，所述第二水平部卡合背光模块，封装有芯片的膜片贴靠所述竖直部。
可选地，所述LED光源位于所述第二水平部之上且位于所述竖直部和所述入光侧面之间。
可选地，所述背光模块还包括：反射片，设置于玻璃板背向阵列基板的表面上，用于将由LED光源出射至玻璃板背向阵列基板的表面上的光线反射回玻璃板中。
可选地，一个所述封装有芯片的膜片与至少两个所述LED光源相对设置。
本发明的超薄型液晶显示器，实现了超薄型设计，同时还兼具有高散热效率的优点。
附图说明
通过结合附图进行的以下描述，本发明的实施例的上述和其它方面、特点和优点将变得更加清楚，附图中：
图1是根据本发明的实施例的超薄型液晶显示器的结构示意图；
图2是图1的左视图；
图3是根据本发明的另一实施例的超薄型液晶显示器的结构示意图；
图4是根据本发明的又一实施例的超薄型液晶显示器的结构示意图；
图5是根据本发明的又一实施例的超薄型液晶显示器的结构示意图。
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。
图1是根据本发明的实施例的超薄型液晶显示器的结构示意图。图2是图1的左视图。在图2中，为了便于示出封装有芯片的膜片和LED光源，省略了金属外框。
参照图1，根据本发明的实施例的超薄型液晶显示器包括：液晶面板100、背光模块200、金属外框300。这里，优选地，金属外框300由散热率较高的金属材料制成。
当液晶面板100与背光模块200相对设置时，金属外框300将相对的液晶面板100与背光模块200进行固定结合，从而构成本实施例的超薄型液晶显示器。
具体地，液晶面板100采用现有的液晶面板的制造技术制成。在本实施例中，液晶面板100包括：彩膜基板(即CF基板)110、阵列基板(即Array基板)120以及封装有芯片的膜片(Chip-on-Film，COF)130。
彩膜基板110与阵列基板120对盒设置。当液晶面板100与背光模块200相对设置时，阵列基板120朝向背光模块200，也就是说，彩膜基板110背向背光模块200。需要说明的是，液晶面板100还可以包括设置于对盒后的彩膜基板110与阵列基板120之间的液晶层(未示出)，其中，液晶层中具有液晶(未示出)。
在本实施例中，彩膜基板110和阵列基板120均具有一些常规性结构。例如，彩膜基板110包括但不限于彩色滤光元件(诸如红色(R)滤光元件、绿色(G)滤光元件、蓝色(B)滤光元件)、黑色矩阵(Black Matrix，BM)、配 向膜层等。阵列基板120包括但不限于薄膜晶体管(TFT)、像素电极、配向膜层等。
阵列基板120包括其一侧延伸形成的延伸部121，该延伸部121超出彩膜基板110。在延伸部121上形成有屏电极122，该屏电极122作为COF130向彩膜基板110和阵列基板120中的各个元件提供信号的传递媒介。当COF130被组装也与延伸部121上时，COF130上的电极131与屏电极122键合，这样COF130上的芯片对从外部信号源(未示出)接收信号进行处理之后，经由电极131与屏电极122传送至彩膜基板110和阵列基板120中的各个元件。并且，COF130还贴靠在金属外框300上，利于COF130散热。需要说明的是，COF130的数量可以根据实际需求设定，例如如图2所示，设置了三个COF130。
背光模块200包括：玻璃板210、LED光源220。
玻璃板210面向阵列基板120的表面定义为出光面211，玻璃板210的与出光面211垂直且连接的一侧面为入光侧面212。LED光源220邻近于入光侧面212设置且与COF130相对设置。这样，LED光源220发出的光线经由入光侧面212进入玻璃板210中，并经由出光面211出射至液晶面板100，以供液晶面板100显示使用。需要说明的是，LED光源220的数量可以根据实际需求设定。此外，COF130与任意数量的LED光源220相对设置，例如如图2所示，COF130可以与两个LED光源220相对设置。
金属外框300包括：竖直部310、第一水平部320、第二水平部330。
第一水平部320和第二水平部330相对设置，并且二者分别位于竖直部310的相对两侧。当金属外框300将相对的液晶面板100与背光模块200进行固定结合时，第一水平部320卡合在彩膜基板110的背向阵列基板120的表面上，第二水平部330卡合在玻璃板210的背向阵列基板120的表面(即玻璃板210的与出光面211相对的底面)上，COF130贴靠在竖直部310上。
这样，LED光源220设置于第二水平部330上，并且LED光源220位于竖直部310与入光侧面212之间。由于LED光源220直接承载于第二水平部330上，因此利于LED光源220散热。
图3是根据本发明的另一实施例的超薄型液晶显示器的结构示意图。
参照图3，与图1和图2所示的超薄型液晶显示器的结构不同的是，背光模块200还包括：全反射层230。
全反射层230设置于玻璃板210的出光面211上，以用于对由LED光源220出射至出光面211上的光线进行全反射。在本实施例中，全反射层230的设置，解决了由于玻璃板210的出光面211上方没有空气层而影响全反射型导光板机制的问题。通过设置全反射层230，在玻璃板210的出光面211上方产生一层近似空气层结构，满足全反射条件，使得玻璃板210中的光线进行均匀混合，从而混合均匀后的光线出射至液晶面板100。
在本实施例中，为了实现全反射，全反射层230的折射率要小于玻璃板210的折射率。进一步地，全反射层230为由二氧化硅材料制成的一薄膜层，但本发明并不限制于此。
进一步地，为了使由二氧化硅材料制成的全反射层230的折射率小于玻璃板210的折射率，可利用热蒸发镀膜设备或者溅射镀膜设备采用快速沉积或者斜角沉积的方式在玻璃板210的出光面211上镀制形成全反射层230。
图4是根据本发明的又一实施例的超薄型液晶显示器的结构示意图。
参照图4，与图3所示的超薄型液晶显示器的结构不同的是，背光模块200还包括：保护层240。
保护层240设置于全反射层230的朝向阵列基板120的表面上，以用于对全反射层240进行保护。例如，保护层240的设置可以避免全反射层230被摩擦损坏，或者可以隔绝水汽进入全反射层230中，从而影响全反射层230的折射率。
可选地，保护层240可以由氮化硅或者PFA(其由少量全氟丙基全氟乙烯基醚与聚四氟乙烯的共聚物)等制成。
图5是根据本发明的又一实施例的超薄型液晶显示器的结构示意图。
参照图5，与图4所示的超薄型液晶显示器的结构不同的是，背光模块200 还包括：反射片250。
反射片250设置于金属外框300的第二水平部330与玻璃板210的背向阵列基板120的表面(即玻璃板210的与出光面211相对的底面)之间，用于将由LED光源220出射至玻璃板210的背向阵列基板120的表面上的光线反射回玻璃板210中，以提高光线的利用率。
可选地，反射片250可以由具有高反射率的金属(诸如银、金)制成或者由具有高反射率的介质膜层组合形成。
虽然已经参照特定实施例示出并描述了本发明，但是本领域的技术人员将理解：在不脱离由权利要求及其等同物限定的本发明的精神和范围的情况下，可在此进行形式和细节上的各种变化。

Claims (12)

  1. 一种超薄型液晶显示器，包括：液晶面板、与液晶面板相对设置的背光模块以及用于将液晶面板和背光模块进行结合固定的金属外框，其中，
    液晶面板包括：与背光模块相对设置的彩膜基板、位于背光模块与彩膜基板之间且与彩膜基板对盒设置的阵列基板以及封装有芯片的膜片；
    阵列基板包括其一侧延伸形成的延伸部，所述延伸部上形成有屏电极，封装有芯片的膜片上的电极与所述屏电极键合，并且封装有芯片的膜片贴靠金属外框。
  2. 根据权利要求1所述的超薄型液晶显示器，其中，所述背光模块包括：
    玻璃板，与阵列基板相对设置且具有入光侧面；
    LED光源，邻近于所述入光侧面设置且与封装有芯片的膜片相对设置。
  3. 根据权利要求2所述的超薄型液晶显示器，其中，所述背光模块还包括：
    全反射层，设置于玻璃板朝向阵列基板的表面上，用于对由LED光源出射至玻璃板朝向阵列基板的表面上的光线进行全反射。
  4. 根据权利要求3所述的超薄型液晶显示器，其中，所述全反射层的折射率小于所述玻璃板的折射率。
  5. 根据权利要求3所述的超薄型液晶显示器，其中，所述全反射层由二氧化硅材料制成。
  6. 根据权利要求3所述的超薄型液晶显示器，其中，所述背光模块还包括：保护层，设置于全反射层朝向阵列基板的表面上，用于对全反射层进行保护。
  7. 根据权利要求4所述的超薄型液晶显示器，其中，所述背光模块还包 括：保护层，设置于全反射层朝向阵列基板的表面上，用于对全反射层进行保护。
  8. 根据权利要求5所述的超薄型液晶显示器，其中，所述背光模块还包括：保护层，设置于全反射层朝向阵列基板的表面上，用于对全反射层进行保护。
  9. 根据权利要求2所述的超薄型液晶显示器，其中，所述金属外框包括：竖直部、由所述竖直部的相对两侧分别沿垂直于所述竖直部的方向延伸形成的第一水平部和第二水平部，所述第一水平部卡合液晶面板，所述第二水平部卡合背光模块，封装有芯片的膜片贴靠所述竖直部。
  10. 根据权利要求9所述的超薄型液晶显示器，其中，所述LED光源位于所述第二水平部之上且位于所述竖直部和所述入光侧面之间。
  11. 根据权利要求2所述的超薄型液晶显示器，其中，所述背光模块还包括：
    反射片，设置于玻璃板背向阵列基板的表面上，用于将由LED光源出射至玻璃板背向阵列基板的表面上的光线反射回玻璃板中。
  12. 根据权利要求2所述的超薄型液晶显示器，其中，一个所述封装有芯片的膜片与至少两个所述LED光源相对设置。
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