CN104460083A - 一种液晶模组全贴合结构 - Google Patents

一种液晶模组全贴合结构 Download PDF

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CN104460083A
CN104460083A CN201410758854.6A CN201410758854A CN104460083A CN 104460083 A CN104460083 A CN 104460083A CN 201410758854 A CN201410758854 A CN 201410758854A CN 104460083 A CN104460083 A CN 104460083A
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liquid crystal
crystal panel
transparent adhesive
crystal module
bonding structure
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张彦学
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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 CN201410758854.6A priority Critical patent/CN104460083A/zh
Priority to US14/422,354 priority patent/US10067366B2/en
Priority to PCT/CN2015/070231 priority patent/WO2016090722A1/zh
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    • G—PHYSICS
    • G02—OPTICS
    • 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 
    • G02F1/13—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  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
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    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
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    • G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0093—Means for protecting the light guide
    • G—PHYSICS
    • G02—OPTICS
    • 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 
    • G02F1/0102—Constructional details, not otherwise provided for in this subclass
    • G02F1/0105—Illuminating devices
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • 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 
    • G02F1/13—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  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G—PHYSICS
    • G02—OPTICS
    • 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 
    • G02F1/13—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  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
    • G—PHYSICS
    • G02—OPTICS
    • 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 
    • G02F1/13—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  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • G—PHYSICS
    • G02—OPTICS
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/28—Adhesive materials or arrangements

Abstract

一种液晶模组全贴合结构，至少包括壳体、液晶面板、导光板和若干光学膜片，所述导光板和若干光学膜片位于所述壳体内部，若干所述光学膜片之间相互叠加设置于所述导光板的上方，其中，所述液晶面板搭接在所述壳体上，所述液晶面板与最上端的光学膜片之间设有缓冲层和光学透明胶。本发明提供的一种液晶模组全贴合结构，通过在液晶面板与光学膜片之间设置光学透明胶，减小射入到液晶面板的光线的折射角，同时，在围绕该光学透明胶的周围设置有缓冲层，实现液晶面板与壳体的无间隙密封，抑制光线外泄，从而有效地降低光源损失，提升射入到液晶面板的光线入射率，增加光线利用率，使液晶面板的成像质量更加清晰。

Description

一种液晶模组全贴合结构
技术领域
本发明涉及液晶模组制造装配领域，尤其涉及液晶模组全贴合结构。
背景技术
在现代生活中，各式各样电子设备走进了越来越多的家庭中，例如液晶电视、液晶电脑、平板电脑以及触屏手机，特别是人们在日常生活中越来越离不开小型电子产品，如智能触屏手机和平板电脑。而在小型电子产品的设计中，固定液晶面板通常采用在背光源边缘处设置黑色双面胶进行固定，液晶面板与光学膜片之间设置有黑色双面胶和间隙层，间隙层存在空气。在该种贴合结构中，光学膜片传播光线，使光线进入间隙层，光线经过空气的传播，再进入液晶面板中进行成像，由此可见，传统贴合结构的光线传播方式为从固体到气体、再到固体的过程。在该光线传播过程中，由于光学膜片属于光密介质，空气属于光疏介质，光线从光学膜片进入空气层时，光线的折射角大于光线的入射角，导致很多入射光被反射回到背光模组中，造成了光源的浪费。
发明内容
本发明所要解决的技术问题是提供一种液晶模组全贴合结构，通过在液晶面板与光学膜片之间设置光学透明胶，减小光线的折射角，有效地降低光源损失，提升光线利用率。
为了达到上述发明创造目的，本发明采用了如下的技术方案：
一种液晶模组全贴合结构，至少包括壳体、液晶面板、导光板和若干光学膜片，所述导光板和若干光学膜片位于所述壳体内部，若干所述光学膜片之间相互叠加设置于所述导光板的上方，其中，所述液晶面板搭接在所述壳体上，所述液晶面板与最上端的光学膜片之间设有缓冲层和光学透明胶。
进一步地，所述液晶面板设有边缘区域和显示区域，所述边缘区域位于液晶面板的两侧，围绕所述显示区域。
进一步地，缓冲层位于所述液晶面板的边缘区域，所述光学透明胶位于所述液晶面板的显示区。
进一步地，所述光学透明胶为双面粘性胶，粘接固定所述液晶面板和光学膜片。
进一步地，所述光学透明胶为液态光学胶。
进一步地，所述光学透明胶为固态光学胶。
进一步地，所述光学透明胶的透光率大于99％。
进一步地，所述缓冲层的材料为具有密封作用的可压缩材料。
进一步地，该结构还包括反射片和灯光源，所述反射片位于所述导光板的下方，与所述壳体接触，所述灯光源位于所述导光板的侧面。
进一步地，所述光学膜片的数量为三片。
本发明的有益效果：
综上所述，本发明提供的一种液晶模组全贴合结构，通过在液晶面板与光学膜片之间设置光学透明胶，减小射入到液晶面板的光线的折射角，同时，在围绕该光学透明胶的周围设置有缓冲层，实现液晶面板与壳体的无间隙密封，抑制光线外泄，从而有效地降低光源损失，提升射入到液晶面板的光线入射率，增加光线利用率，使液晶面板的成像质量更加清晰。
附图说明
图1是本发明实施例1液晶模组全贴合结构的局部结构示意图。
具体实施方式
为了更好地阐述本发明的技术特点和结构，以下结合本发明的优选实施例及其附图进行详细描述。
参阅图1，一种液晶模组全贴合结构，至少包括壳体50、液晶面板40、导光板14、若干光学膜片20、反射片10和灯光源13，导光板14、若干光学膜片20、反射片10和灯光源13位于壳体50内部，其中，反射片10位于导光板14的下方，与壳体50接触，灯光源13位于导光板14的侧面，若干光学膜片20之间相互叠加设置于导光板14的上方。液晶面板40搭接在壳体50上，液晶面板40设有边缘区域和显示区域，边缘区域位于液晶面板40的两侧，围绕显示区域，该边缘区域用于将液晶面板40固定在壳体50上，该显示区域用于显示图像，本实施例选取设置在导光板14上光学膜片20的数量为三片。
具体地，液晶面板40与最上端的光学膜片20之间设有缓冲层32和光学透明胶33，该缓冲层32位于液晶面板40的边缘区域，缓冲层32的材料为具有密封作用的可压缩材料，设置于液晶面板40与壳体50之间，在液晶面板40与壳体50装配时起到密封作用；该光学透明胶33位于液晶面板40的显示区，该光学透明胶33为双面粘性胶，粘接固定液晶面板40和光学膜片20，该光学透明胶33为液态光学胶或固态光学胶中的一种，光学透明胶33的透光率大于99％。
需要说明的是，光学膜片20传播光线，使光线进入光学透明胶33，光线经过光学透明胶33传播后，进入液晶面板40中进行成像，该种全贴合结构的光线传播方式为从固体到固体、再到固体的过程。在该光线传播过程中，由于光学膜片20属于光密介质，光学透明胶33为透光介质，光线从光学膜片20进入光学透明胶33时，光线的折射角较小，入射到液晶面板40中的光线较多，有效地降低光线损失，提升光线利用率。另外，缓冲层32位于光学透明胶33的两侧，在液晶面板40与光学膜片20之间形成无间隙密封壁垒，有效地的抑制了光线外泄，提升了射入到液晶面板40的光线入射率，使液晶面板40具有更好的显示效果。
综上所述，本发明提供的一种液晶模组全贴合结构，通过在液晶面板与光学膜片之间设置光学透明胶，减小射入到液晶面板的光线的折射角，同时，在围绕该光学透明胶的周围设置有缓冲层，实现液晶面板与壳体的无间隙密封，抑制光线外泄，从而有效地降低光源损失，提升射入到液晶面板的光线入射率，增加光线利用率，使液晶面板的成像质量更加清晰。
本发明的上述实施例仅仅是为清楚地说明本发明所作的举例，而并非是对本发明的实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其他不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明权利要求的保护范围之内。

Claims (10)

1.一种液晶模组全贴合结构，至少包括壳体(50)、液晶面板(40)、导光板(14)和若干光学膜片(20)，所述导光板(14)和若干光学膜片(20)位于所述壳体(50)内部，若干所述光学膜片(20)之间相互叠加设置于所述导光板(14)的上方，其特征在于，所述液晶面板(40)搭接在所述壳体(50)上，所述液晶面板(40)与最上端的光学膜片(20)之间设有缓冲层(32)和光学透明胶(33)。
2.根据权利要求1所述的液晶模组全贴合结构，其特征在于，所述液晶面板(40)设有边缘区域和显示区域，所述边缘区域位于液晶面板(40)的两侧，围绕所述显示区域。
3.根据权利要求2所述的液晶模组全贴合结构，其特征在于，缓冲层(32)位于所述液晶面板(40)的边缘区域，所述光学透明胶(33)位于所述液晶面板(40)的显示区。
4.根据权利要求3所述的液晶模组全贴合结构，其特征在于，所述光学透明胶(33)为双面粘性胶，粘接固定所述液晶面板(40)和光学膜片(20)。
5.根据权利要求4所述的液晶模组全贴合结构，其特征在于，所述光学透明胶(33)为液态光学胶。
6.根据权利要求4所述的液晶模组全贴合结构，其特征在于，所述光学透明胶(33)为固态光学胶。
7.根据权利要求5或6所述的液晶模组全贴合结构，其特征在于，所述光学透明胶(33)的透光率大于99％。
8.根据权利要求2所述的液晶模组全贴合结构，其特征在于，所述缓冲层(32)的材料为具有密封作用的可压缩材料。
9.根据权利要求1所述的液晶模组全贴合结构，其特征在于，该结构还包括反射片(10)和灯光源(13)，所述反射片(10)位于所述导光板(14)的下方，与所述壳体(50)接触，所述灯光源(13)位于所述导光板(14)的侧面。
10.根据权利要求1所述的液晶模组全贴合结构，其特征在于，所述光学膜片(20)的数量为三片。
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