CN102929027B - 偏光片去除刀具及去除方法 - Google Patents

偏光片去除刀具及去除方法 Download PDF

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CN102929027B
CN102929027B CN201210491151.2A CN201210491151A CN102929027B CN 102929027 B CN102929027 B CN 102929027B CN 201210491151 A CN201210491151 A CN 201210491151A CN 102929027 B CN102929027 B CN 102929027B
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polaroid
pipeline
blade
handle
knife
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CN102929027A (zh
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庄益壮
蔡荣茂
廖学士
文松贤
邓明锋
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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 US13/807,299 priority patent/US8985177B2/en
Priority to PCT/CN2012/085778 priority patent/WO2014082316A1/zh
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Priority to US14/637,411 priority patent/US9272431B2/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/28—Splitting layers from work; Mutually separating layers by cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B27/00—Hand cutting tools not provided for in the preceding groups, e.g. finger rings for cutting string, devices for cutting by means of wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • 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
    • G02F1/133528—Polarisers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/10—Removing layers, or parts of layers, mechanically or chemically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B43/00—Operations specially adapted for layered products and not otherwise provided for, e.g. repairing; Apparatus therefor
    • B32B43/006—Delaminating
    • 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
    • G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
    • 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
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    • 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
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    • Y10S156/937—Means for delaminating specified electronic component in preparation for recycling
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Abstract

本发明提供一种偏光片去除刀具及去除方法，所述刀具包括：刀柄及安装于刀柄上的刀片，所述刀柄包括本体、安装于本体上的活塞装置及安装于本体上的导管，所述本体内部设有一用于存储溶胶液体的管道，所述活塞装置安装于该管道内，所述导管一端与管道连通，另一端抵靠于刀片上，进而将存储于管道内的溶胶液体疏导于刀片上。本发明的偏光片去除刀具及去除方法，通过在刀具上设置活塞装置及溶胶液体，在去除偏光片时通过导管将存储于刀柄内的溶胶液体疏导于刀片上，再流动至贴合胶上以溶解贴合胶，使得偏光片较易去除，有效缩短偏光片去除时间，提高去除效率及去除效果。

Description

偏光片去除刀具及去除方法
技术领域
本发明涉及液晶显示面板制程领域，尤其涉及一种偏光片去除刀具及去除方法。
背景技术
液晶显示装置（LCD，Liquid Crystal Display）具有机身薄、省电、无辐射等众多优点，得到了广泛的应用。现有市场上的液晶显示装置大部分为背光型液晶显示器，其包括液晶显示面板及背光模组（backlight module）。液晶面板的工作原理是在两片平行的玻璃基板中放置液晶分子，通过给玻璃基板的电路通电来控制液晶分子改变方向，将背光模组的光线折射出来产生画面。
请参阅图1，所述液晶显示面板一般包括：TFT基板100、与TFT基板100相对贴合设置的CF基板300及设于TFT基板100与CF基板300之间的液晶500，所述TFT基板100与CF基板300上均贴设有偏光片700，偏光片700是一种由多层高分子材料复合而成的具有产生偏振光功能的光学薄膜，其贴合于TFT基板100远离CF基板300的表面及CF基板300远离TFT基板100的表面，能够将不具偏极性的自然光转化为偏极光，而使得与电场呈垂直方向的光线通过，这样液晶显示面板就能够正常显示图像，由此可见，偏光片是一种影响液晶显示面板的显示效果的关键元件之一。
偏光片是通过贴合胶贴附于液晶显示面板上，因此在偏光片与液晶显示面板之间会产出一定的黏着力。尽管业界对于该黏着力设计有一定的技术规格，例如黏着力不会过小，以避免发生偏光片自动剥离或翘曲的现象；而且黏着力也不能过大，否则会影响日后的维修。但仍不可避免的是黏着力对偏光片撕除还是存在有一定程度干扰。
目前对在生产过程中出现的不良品进行分析时，当遇到与偏光片相关问题时需要将液晶面板上的部分偏光片剥离下来，现有的一般的做法为：将要撕掉的偏光片，用刀切割成一个方形的区域（区域的大小根据具体需要而定），用刀片将偏光片与玻璃剥离撕掉偏光片，但一般情况下由于黏着力较大，很难彻底将偏光片撕掉，一般会留下大部分黏胶在玻璃上，此部分黏胶难去除，需要多次用刀片去除，严重影响撕掉偏光片的速度与效果，降低实验分析的效率。
发明内容
本发明的目的在于提供一种偏光片去除刀具，其结构简单，操作方便，有效节省偏光片去除时间，效率高。
本发明的另一目的在于提供一种偏光片去除方法，其有效缩短偏光片的去除时间，提高偏光片的撕除效率，且能改善撕除效果。
为实现上述目的，本发明提供一种偏光片去除刀具，包括：刀柄及安装于刀柄上的刀片，所述刀柄包括本体、安装于本体上的活塞装置及安装于本体上的导管，所述本体内部设有一用于存储溶胶液体的管道，所述活塞装置安装于该管道内，所述导管一端与管道连通，另一端抵靠于刀片上，进而将存储于管道内的溶胶液体疏导于刀片上。
所述刀片通过螺钉安装于刀柄上，刀片与刀柄之间的夹角可调整。
所述管道由本体自由端向内凹陷形成。
所述活塞装置包括活塞及连接于活塞的活塞杆，所述活塞的外径大于或等于管道的内径。
所述本体的外表面上对应导管设有一孔部，该孔部与管道连通，所述导管通过该孔部与管道连通。
本发明还提供一种偏光片去除方法，包括以下步骤：
步骤1、提供操作台及刀具，所述刀具包括刀柄及安装于刀柄上的刀片，所述刀柄包括本体、安装于本体上的活塞装置及安装于本体上的导管，所述本体内部设有一用于存储溶胶液体的管道，所述活塞装置安装于该管道内，所述导管一端与管道连通，另一端抵靠于刀片上，进而将存储于管道内的溶胶液体疏导于刀片上；
步骤2、将待去除偏光片的液晶显示面板放置于操作台上，该液晶显示面板包括基板、贴设于基板一侧的偏光片及设于偏光片与基板之间的贴合胶，所述偏光片背离操作台放置；
步骤3、用刀片在待去除的偏光片上切割出一方形区域；
步骤4、由该方形区域的一侧将该方形区域内的偏光片对应该侧的部分撕起；
步骤5、将刀片抵靠于偏光片与基板之间的贴合胶上，并推动活塞装置，挤压置于管道内的溶胶液体，该溶胶液体由导管疏导于刀片上，再流动至贴合胶上，以溶解贴合胶，同时，推动刀片对该贴合胶进行切除；
步骤6、重复步骤5，至该方形区域内的偏光片完全去除。
所述刀片通过螺钉安装于刀柄上，刀片与刀柄之间的夹角可调整。
所述管道由本体自由端向内凹陷形成。
所述活塞装置包括活塞及连接于活塞的活塞杆，所述活塞的外径大于或等于管道的内径。
所述本体的外表面上对应导管设有一孔部，该孔部与管道连通，所述导管通过该孔部与管道连通。
本发明的有益效果：本发明的偏光片去除刀具及去除方法，通过在刀具上设置活塞装置及溶胶液体，在去除偏光片时通过导管将存储于刀柄内的溶胶液体疏导于刀片上，再流动至贴合胶上以溶解贴合胶，使得偏光片较易去除，有效缩短偏光片去除时间，提高去除效率及去除效果。
为了能更进一步了解本发明的特征以及技术内容，请参阅以下有关本发明的详细说明与附图，然而附图仅提供参考与说明用，并非用来对本发明加以限制。
附图说明
下面结合附图，通过对本发明的具体实施方式详细描述，将使本发明的技术方案及其它有益效果显而易见。
附图中，
图1为现有的液晶显示面板的结构示意图；
图2为本发明偏光片去除刀具的结构示意图；
图3为用本发明偏光片去除刀具去除偏光片的工作示意图；
图4为本发明偏光片去除方法的流程图。
具体实施方式
为更进一步阐述本发明所采取的技术手段及其效果，以下结合本发明的优选实施例及其附图进行详细描述。
请参阅图2及图3，本发明提供一种偏光片去除刀具20，包括：刀柄22及安装于刀柄22上的刀片24，所述刀柄22包括本体222、安装于本体222上的活塞装置224及安装于本体222上的导管226，所述本体222内部设有一用于存储溶胶液体26的管道228，所述活塞装置224安装于该管道228内，所述导管226一端与管道228连通，另一端抵靠于刀片24上，进而将存储于管道228内的溶胶液体26疏导于刀片24上，所述溶胶液体26在经由刀片24流动至液晶显示面板40的基板42与偏光片44之间的贴合胶46上，以溶解贴合胶46，进而使偏光片44较易去除，有效缩短偏光片去除时间，提高去除效率及去除效果。
在本实施例中，所述刀片24通过螺钉242安装于刀柄22上，刀片24与刀柄22之间的夹角可调整，以适合不同厚度、不同角度及不同方向上的偏光片的去除。当需要调整刀片24与刀柄22之间的夹角时，只需将螺钉242旋松，将刀片24调整到相应位置时，再将螺钉242旋紧，操作简单方便。
所述管道228由本体222自由端向内凹陷形成，所述活塞装置224由该自由端安装于管道228。
所述活塞装置224包括活塞225及连接于活塞225的活塞杆227，所述活塞225的外径大于或等于管道228的内径，优选的，所述活塞225的外径等于管道228的内径，进而使得活塞225的外壁与管道228的内壁紧密贴合，以密封溶胶液体26于管道228内。
进一步地，所述本体222的外表面上对应导管226设有一孔部（未图示），该孔部与管道228连通，所述导管226通过该孔部与管道228连通，当存储于管道228内的溶胶液体26受到活塞225的挤压时，该溶胶液体26由该导管226疏导至刀片24上，以便在去除偏光片44时，溶解贴合胶46，同时，推动刀片24对该贴合胶46进行切除。溶解与切除同时进行，利于将贴合胶46去除干净，提高去除效率及去除效果。
请参阅图4，同时参考图2及图3，本发明还提供一种偏光片去除方法，包括以下步骤：
步骤1、提供操作台（未图示）及刀具20，所述刀具20包括：刀柄22及安装于刀柄22上的刀片24，所述刀柄22包括本体222、安装于本体222上的活塞装置224及安装于本体222上的导管226，所述本体222内部设有一用于存储溶胶液体26的管道228，所述活塞装置224安装于该管道228内，所述导管226一端与管道228连通，另一端抵靠于刀片24上，进而将存储于管道228内的溶胶液体26疏导于刀片24上，所述溶胶液体26在经由刀片24流动至液晶显示面板40的基板42与偏光片44之间的贴合胶46上，以溶解贴合胶46，进而使偏光片44较易去除，有效缩短偏光片去除时间，提高去除效率及去除效果。
在本实施例中，所述刀片24通过螺钉242安装于刀柄22上，刀片24与刀柄22之间的夹角可调整，以适合不同厚度、不同角度及不同方向上的偏光片的去除。当需要调整刀片24与刀柄22之间的夹角时，只需将螺钉242旋松，将刀片24调整到相应位置时，再将螺钉242旋紧，操作简单方便。
所述管道228由本体222自由端向内凹陷形成，所述活塞装置224可由该自由端安装于管道228。
所述活塞装置224包括活塞225及连接于活塞225的活塞杆227，所述活塞225的外径大于或等于管道228的内径，优选的，所述活塞225的外径等于管道228的内径，进而使得活塞225的外壁与管道228的内壁紧密贴合，以密封溶胶液体26于管道228内。
进一步地，所述本体222的外表面上对应导管226设有一孔部（未图示），该孔部与管道228连通，所述导管226通过该孔部与管道228连通，当存储于管道228内的溶胶液体26受到活塞225的挤压时，该溶胶液体26由该导管226疏导至刀片24上，以便在去除偏光片44时，溶解贴合胶46。
步骤2、将待去除偏光片的液晶显示面板40放置于操作台上，该液晶显示面板40包括基板42、贴设于基板42一侧的偏光片44及设于偏光片44与基板42之间的贴合胶46，所述偏光片44背离操作台放置。
步骤3、用刀片24在待去除的偏光片44上切割出一方形区域。
步骤4、由该方形区域的一侧将该方形区域内的偏光片44对应该侧的部分撕起。
步骤5、将刀片24抵靠于偏光片44与基板42之间的贴合胶46上，并推动活塞装置224，挤压置于管道228内的溶胶液体26，该溶胶液体26由导管226疏导于刀片24上，再流动至贴合胶46上，以溶解贴合胶46，同时，推动刀片24对该贴合胶46进行切除。
溶解与切除同时进行，利于将贴合胶46去除干净，提高去除效率及去除效果。
步骤6、重复步骤5，至该方形区域内的偏光片44完全去除。
本发明的偏光片去除刀具及去除方法，通过在刀具上设置活塞装置及溶胶液体，在去除偏光片时通过导管将存储于刀柄内的溶胶液体疏导于刀片上，再流动至贴合胶上以溶解贴合胶，使得偏光片较易去除，有效缩短偏光片去除时间，提高去除效率及去除效果。
以上所述，对于本领域的普通技术人员来说，可以根据本发明的技术方案和技术构思作出其他各种相应的改变和变形，而所有这些改变和变形都应属于本发明权利要求的保护范围。

Claims (6)

1.一种偏光片去除刀具，其特征在于，包括：刀柄及安装于刀柄上的刀片，所述刀柄包括本体、安装于本体上的活塞装置及安装于本体上的导管，所述本体内部设有一用于存储溶胶液体的管道，所述活塞装置安装于该管道内，所述导管一端与管道连通，另一端抵靠于刀片上，进而将存储于管道内的溶胶液体疏导于刀片上；
所述管道由本体自由端向内凹陷形成；
所述活塞装置包括活塞及连接于活塞的活塞杆，所述活塞的外径大于或等于管道的内径。
2.如权利要求1所述的偏光片去除刀具，其特征在于，所述刀片通过螺钉安装于刀柄上，刀片与刀柄之间的夹角可调整。
3.如权利要求1所述的偏光片去除刀具，其特征在于，所述本体的外表面上对应导管设有一孔部，该孔部与管道连通，所述导管通过该孔部与管道连通。
4.一种偏光片去除方法，其特征在于，包括以下步骤：
步骤1、提供操作台及刀具，所述刀具包括刀柄及安装于刀柄上的刀片，所述刀柄包括本体、安装于本体上的活塞装置及安装于本体上的导管，所述本体内部设有一用于存储溶胶液体的管道，所述活塞装置安装于该管道内，所述导管一端与管道连通，另一端抵靠于刀片上，进而将存储于管道内的溶胶液体疏导于刀片上；
所述管道由本体自由端向内凹陷形成；
所述活塞装置包括活塞及连接于活塞的活塞杆，所述活塞的外径大于或等于管道的内径；
步骤2、将待去除偏光片的液晶显示面板放置于操作台上，该液晶显示面板包括基板、贴设于基板一侧的偏光片及设于偏光片与基板之间的贴合胶，所述偏光片背离操作台放置；
步骤3、用刀片在待去除的偏光片上切割出一方形区域；
步骤4、由该方形区域的一侧将该方形区域内的偏光片对应该侧的部分撕起；
步骤5、将刀片抵靠于偏光片与基板之间的贴合胶上，并推动活塞装置，挤压置于管道内的溶胶液体，该溶胶液体由导管疏导于刀片上，再流动至贴合胶上，以溶解贴合胶，同时，推动刀片对该贴合胶进行切除；
步骤6、重复步骤5，至该方形区域内的偏光片完全去除。
5.如权利要求4所述的偏光片去除方法，其特征在于，所述刀片通过螺钉安装于刀柄上，刀片与刀柄之间的夹角可调整。
6.如权利要求4所述的偏光片去除方法，其特征在于，所述本体的外表面上对应导管设有一孔部，该孔部与管道连通，所述导管通过该孔部与管道连通。
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