WO2016106807A1 - 液晶显示装置的组装方法 - Google Patents

液晶显示装置的组装方法 Download PDF

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Publication number
WO2016106807A1
WO2016106807A1 PCT/CN2015/070376 CN2015070376W WO2016106807A1 WO 2016106807 A1 WO2016106807 A1 WO 2016106807A1 CN 2015070376 W CN2015070376 W CN 2015070376W WO 2016106807 A1 WO2016106807 A1 WO 2016106807A1
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liquid crystal
touch display
display screen
touch
backlight unit
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French (fr)
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周革革
郭庆
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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 US14/431,686 priority Critical patent/US9588362B2/en
Publication of WO2016106807A1 publication Critical patent/WO2016106807A1/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
    • G02F1/1306—Details
    • G02F1/1309—Repairing; Testing
    • 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
    • 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
    • G02F1/13338—Input devices, e.g. touch panels
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • 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
    • G02F1/133354—Arrangements for aligning or assembling substrates
    • 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

Definitions

  • the present invention relates to a method of assembling a liquid crystal display device.
  • touch liquid crystal display devices have been widely used in various electronic products as display components of electronic devices.
  • the borders of these electronic devices are becoming narrower and narrower, and the brightness requirements are also higher and higher, and the power saving requirements are also met.
  • a touch backlight module display includes: a light guide plate, a plastic frame disposed around the light guide plate, a light source flexible circuit board, and a light shielding tape, wherein the light source flexible circuit board passes the
  • the light shielding tape is fixed on the light guide plate and the plastic frame, and the optical film is also fixed on the plastic frame by the double-sided tape.
  • the liquid crystal display is fixed around the backlight unit through the double-sided tape, and the touch panel is fixed to the liquid crystal display.
  • the current production process is to first fix the liquid crystal display and the backlight unit to form a liquid crystal backlight module, and then fix the touch panel and the liquid crystal backlight module to form a touch liquid crystal backlight module; however, when the fixed touch panel is found, it is found Defects (such as bubbles, foreign objects, etc.) require re-work when the rework is required.
  • the touch panel and the liquid crystal backlight module are disassembled, and they need to be disassembled in an ultra-low temperature freezing environment and solvent. This process will damage the backlight unit and cause extremes. Big waste.
  • touch liquid crystal display devices have been widely used in various electronic products as display components of electronic devices. The borders of these electronic devices are becoming narrower and narrower, and the brightness requirements are also higher and higher, and the power saving requirements are also met.
  • a touch backlight module display includes: a light guide plate, a plastic frame disposed around the light guide plate, a light source flexible circuit board, and a light shielding tape, and the light source flexible circuit board passes
  • the light shielding tape is fixed on the light guide plate and the plastic frame
  • the optical film is also fixed on the plastic frame by the double-sided tape
  • the liquid crystal display is fixed around the backlight unit through the double-sided tape, the touch panel and the liquid crystal display. fixed.
  • the current production process is to first fix the liquid crystal display and the backlight unit to form a liquid crystal backlight module, and then fix the touch panel and the liquid crystal backlight module to form a touch liquid crystal backlight module; however, when the fixed touch panel is found, it is found Defects (such as bubbles, foreign objects, etc.) require re-work when the rework is required.
  • the touch panel and the liquid crystal backlight module are disassembled, and they need to be disassembled in an ultra-low temperature freezing environment and solvent. This process will damage the backlight unit and cause extremes. Big waste.
  • the technical problem to be solved by the present invention is to provide a method for assembling a liquid crystal display device, which can reduce the waste of the backlight unit and improve the yield.
  • the present invention provides a method for assembling a liquid crystal display device, comprising: fixing a liquid crystal panel and a touch panel to form a touch display screen; detecting the touch display screen; and detecting that the touch display screen has no defects,
  • the touch display screen and the backlight unit are fixed to form a touch display backlight module screen; and the touch display backlight module screen is detected.
  • the touch display screen when the touch display screen is detected, the touch display screen is placed on the detecting fixture, and a universal backlight unit is disposed on the detecting fixture, and the touch display screen is placed on the universal backlight unit.
  • the backlight unit when a defect is found in the process of detecting the touch display backlight module screen, the backlight unit is detached from the touch display screen, and the backlight unit is reworked.
  • the backlight unit and the touch display screen are fixed by double-sided tape.
  • liquid crystal panel and the touch panel are fixed by optical glue.
  • the invention firstly fixes the liquid crystal panel and the touch panel to form a touch display screen, and then detects the touch display screen to ensure that the touch display screen has no defects, then assembles the backlight unit, and assembles the back. After the light unit is detected, when the defect is detected, only the backlight unit needs to be removed, and the process of removing the backlight unit is simple and easy, because the backlight unit and the touch display screen are only fixed by double-sided tape, which can improve Production efficiency, and increase yield and reduce costs.
  • FIG. 1 is a schematic view showing a method of assembling a liquid crystal display device according to an embodiment of the present invention.
  • the present invention provides a method of assembling a liquid crystal display device.
  • a method for assembling a liquid crystal display device includes the following steps:
  • the liquid crystal panel and the touch panel are fixed to form a touch display screen. Specifically, the liquid crystal panel and the touch panel are fixed by optical glue.
  • the liquid crystal panel includes an upper polarizer, a glass, and a lower polarizer which are sequentially stacked, and the touch panel is fixed on the upper polarizer by optical adhesive bonding.
  • the touch display screen is detected.
  • the touch display screen is placed on the detecting fixture, and a universal backlight unit is disposed on the detecting fixture, and the touch display screen is placed on the universal backlight unit.
  • the universal backlight unit has a large size and can be used with different size touch screens.
  • the function of the universal backlight unit in the detecting fixture is to provide a light source for the touch screen to detect whether the touch screen is illuminated or not. Flawed. During the detection of the touch display screen, a defect of a bubble or a foreign object or a bright line between the liquid crystal panel and the touch panel is detected.
  • the touch panel needs to be detached from the liquid crystal panel, and the process needs to be disassembled in an ultra-low temperature freezing environment and solvent. Since the touch display screen has not assembled the backlight unit, even if this step is reworked There will be no damage to the backlight unit, so it will not only improve the life. Productivity also saves costs.
  • the touch display screen and the backlight unit are fixed to form a touch display backlight module screen; and the backlight unit and the touch display screen are fixed by double-sided tape.
  • Detecting the touch display backlight module screen When detecting a defect in the process of detecting the touch display backlight module, the backlight unit is detached from the touch display screen, and the backlight unit is reworked. Since the backlight unit and the liquid crystal display are fixed by double-sided tape, the process of reworking the backlight unit is very simple, and does not require a special environment and solvent.
  • the invention firstly fixes the liquid crystal panel and the touch panel to form a touch display screen, and then detects the touch display screen to ensure that the touch display screen has no defects, then assembles the backlight unit, assembles the backlight unit, and then detects When a defect is found, only the backlight unit needs to be removed, and the process of removing the backlight unit is simple and easy, because the backlight unit and the touch display screen are only fixed by double-sided tape, which can improve production efficiency and improve yield. ,cut costs.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

一种液晶显示装置的组装方法，包括将液晶面板与触摸板进行固定，形成触摸显示屏；检测所述触摸显示屏；经检测所述触摸显示屏无缺陷后，将所述触摸显示屏和背光单元进行固定，形成触摸显示背光模组屏；检测所述触摸显示背光模组屏。所述液晶显示装置的组装方法能降低背光单元浪费，提高良率。

Description

液晶显示装置的组装方法
本发明要求2014年12月29日递交的发明名称为“液晶显示装置的组装方法”的申请号201410842917.6的在先申请优先权，上述在先申请的内容以引入的方式并入本文本中。
技术领域
本发明涉及液晶显示装置的组装方法。
背景技术
目前，触摸液晶显示装置作为电子设备的显示部件已经广泛的应用于各种电子产品中，这些电子设备的边框越来越窄，亮度要求也越来越高，同时还要满足省电的要求。
一般情况下，一种触摸的背光模组显示屏，包括：一导光板、设置于所述导光板周围的胶框、灯源柔性电路板以及遮光胶带，所述灯源柔性电路板通过所述遮光胶带固定于所述导光板和胶框上，光学膜片也通过遮光双面胶带固定在胶框上，液晶显示屏则通过双面胶与背光单元四周固定，触摸板与液晶显示屏固定。
目前的生产工艺是先将液晶显示屏与背光单元进行固定，组成液晶背光模组，然后将触摸板与液晶背光模组固定，组成触摸液晶背光模组；然而，当发现固定触摸板后发现有缺陷(例如气泡、异物等显示缺陷)需要重工时，就要触摸板和液晶背光模组进行拆开，而且需要在超低温冷冻的环境和溶剂中拆开，这个过程就会损坏背光单元，造成极大的浪费。目前，触摸液晶显示装置作为电子设备的显示部件已经广泛的应用于各种电子产品中，这些电子设备的边框越来越窄，亮度要求也越来越高，同时还要满足省电的要求。
一般情况下，一种触摸的背光模组显示屏，包括：一导光板、设置于所述导光板周围的胶框、灯源柔性电路板以及遮光胶带，所述灯源柔性电路板通过 所述遮光胶带固定于所述导光板和胶框上，光学膜片也通过遮光双面胶带固定在胶框上，液晶显示屏则通过双面胶与背光单元四周固定，触摸板与液晶显示屏固定。
目前的生产工艺是先将液晶显示屏与背光单元进行固定，组成液晶背光模组，然后将触摸板与液晶背光模组固定，组成触摸液晶背光模组；然而，当发现固定触摸板后发现有缺陷(例如气泡、异物等显示缺陷)需要重工时，就要触摸板和液晶背光模组进行拆开，而且需要在超低温冷冻的环境和溶剂中拆开，这个过程就会损坏背光单元，造成极大的浪费。
发明内容
本发明所要解决的技术问题在于提供一种液晶显示装置的组装方法，能降低背光单元浪费，提高良率。
为了实现上述目的，本发明实施方式提供如下技术方案：
本发明供了一种液晶显示装置的组装方法，包括：将液晶面板与触摸板进行固定，形成触摸显示屏；检测所述触摸显示屏；经检测所述触摸显示屏无缺陷后，将所述触摸显示屏和背光单元进行固定，形成触摸显示背光模组屏；检测所述触摸显示背光模组屏。
其中，检测所述触摸显示屏时，将所述触摸显示屏放置于检测治具上，所述检测治具上设置一块通用背光单元，所述触摸显示屏放置于所述通用背光单元上。
其中，当检测所述触摸显示背光模组屏过程中发现缺陷时，将所述背光单元拆离所述触摸显示屏，重工所述背光单元。
其中，所述背光单元与所述触摸显示屏之间通过双面胶固定。
其中，所述液晶面板与所述触摸板之间通过光学胶固定。
其中，检测所述触摸显示屏过程中，检测所述液晶面板与所述触摸板之间的气泡或异物或亮线的缺陷。
本发明通过先将将液晶面板与触摸板进行固定，形成触摸显示屏，然后检测所述触摸显示屏，保证所述触摸显示屏无缺陷后，再组装背光单元，组装背 光单元后，再经检测发现缺陷时，只需要将背光单元拆下，重工，拆下背光单元的过程简单易行，因为背光单元与触摸显示屏之间只通过双面胶固定，这样能够提高生产效率，且提高良率，降低成本。
附图说明
为了更清楚地说明本发明的技术方案，下面将对实施方式中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以如这些附图获得其他的附图。
图1是本发明一种实施方式提供的液晶显示装置的组装方法的示意图。
具体实施方式
下面将结合本发明实施方式中的附图，对本发明实施方式中的技术方案进行清楚、完整地描述。
本发明供了一种液晶显示装置的组装方法，请参阅图1，液晶显示装置的组装方法包括如下步骤：
将液晶面板与触摸板进行固定，形成触摸显示屏。具体而言，所述液晶面板与所述触摸板之间通过光学胶固定。液晶面板包括依次层叠设置的上偏光片、玻璃和下偏光片，所述触摸板通过光学胶粘贴固定在上偏光片的上方。
检测所述触摸显示屏。检测所述触摸显示屏时，将所述触摸显示屏放置于检测治具上，所述检测治具上设置一块通用背光单元，所述触摸显示屏放置于所述通用背光单元上。通用的背光单元的尺寸较大，可以配合不同尺寸的触摸显示屏使用，通用背光单元在检测治具中的作用是为触摸显示屏提供光源，以照亮的情况下，去检测触摸显示屏是否存在缺陷。检测所述触摸显示屏过程中，检测所述液晶面板与所述触摸板之间的气泡或异物或亮线的缺陷。
若经检测所述触摸显示屏存在缺陷时，需要将触摸板拆离液晶面板，这个过程需要在超低温冷冻的环境和溶剂中拆开，由于触摸显示屏还没有组装背光单元，即使在这个步骤重工，也不会有背光单元的损坏，因此，不但提升了生 产效率，也节约了成本。
经检测所述触摸显示屏无缺陷后，将所述触摸显示屏和背光单元进行固定，形成触摸显示背光模组屏；所述背光单元与所述触摸显示屏之间通过双面胶固定。
检测所述触摸显示背光模组屏。当检测所述触摸显示背光模组屏过程中发现缺陷时，将所述背光单元拆离所述触摸显示屏，重工所述背光单元。由于背光单元与液晶显示屏之间通过双面胶固定，重工背光单元的过程非常简单，不需要特殊的环境和溶剂。
本发明通过先将将液晶面板与触摸板进行固定，形成触摸显示屏，然后检测所述触摸显示屏，保证所述触摸显示屏无缺陷后，再组装背光单元，组装背光单元后，再经检测发现缺陷时，只需要将背光单元拆下，重工，拆下背光单元的过程简单易行，因为背光单元与触摸显示屏之间只通过双面胶固定，这样能够提高生产效率，且提高良率，降低成本。
以上所述是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。

Claims (6)

  1. 一种液晶显示装置的组装方法，其中，包括：
    将液晶面板与触摸板进行固定，形成触摸显示屏；
    检测所述触摸显示屏；
    经检测所述触摸显示屏无缺陷后，将所述触摸显示屏和背光单元进行固定，形成触摸显示背光模组屏；
    检测所述触摸显示背光模组屏。
  2. 如权利要求1所述的液晶显示装置的组装方法，其中，检测所述触摸显示屏时，将所述触摸显示屏放置于检测治具上，所述检测治具上设置一块通用背光单元，所述触摸显示屏放置于所述通用背光单元上。
  3. 如权利要求1所述的液晶显示装置的组装方法，其中，当检测所述触摸显示背光模组屏过程中发现缺陷时，将所述背光单元拆离所述触摸显示屏，重工所述背光单元。
  4. 如权利要求3所述的液晶显示装置的组装方法，其中，所述背光单元与所述触摸显示屏之间通过双面胶固定。
  5. 如权利要求1所述的液晶显示装置的组装方法，其中，所述液晶面板与所述触摸板之间通过光学胶固定。
  6. 如权利要求1所述的液晶显示装置的组装方法，其中，检测所述触摸显示屏过程中，检测所述液晶面板与所述触摸板之间的气泡或异物或亮线的缺陷。
PCT/CN2015/070376 2014-12-29 2015-01-08 液晶显示装置的组装方法 Ceased WO2016106807A1 (zh)

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CN108646463B (zh) * 2018-03-26 2021-07-09 厦门天马微电子有限公司 背光模组及检测背光模组是否重工的方法和显示装置
CN113391722B (zh) * 2021-05-26 2023-07-28 深圳市中深光电股份有限公司 拆解触摸屏的方法

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