PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM AND METHOD FOR PRODUCING SAME
    1.
    发明申请
    PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM AND METHOD FOR PRODUCING SAME 审中-公开
    压敏粘合剂光学薄膜及其生产方法

    公开(公告)号:US20090258224A1

    公开(公告)日:2009-10-15

    申请号:US12090304

    申请日:2006-10-18

    IPC分类号: B32B7/00 B05D5/06

    摘要: Disclosed is to provide a pressure-sensitive adhesive optical film that has excellent durability wherein deterioration of an image display region is suppressed even under severe conditions such as heating caused by lighting of a backlight and to provide a method for producing the same. Disclosed is also to provide an image display using such a pressure-sensitive adhesive optical film. A pressure-sensitive adhesive optical film, comprising: an optical film; and a pressure-sensitive adhesive layer arranged on one or both sides of the optical film, wherein the pressure-sensitive adhesive layer is made from a pressure-sensitive adhesive composition comprising 100 parts by weight of a (meth)acrylic polymer which contains, as a monomer unit, at least 50% by weight of an alkyl (meth)acrylate ester having an alkyl group with 4 or more carbon atoms, and 0.02 to 2 parts by weight of a peroxide, and the pressure-sensitive adhesive layer has a thickness of 20 μm or more.

    摘要翻译: 本发明提供一种即使在诸如背光照明等加热引起的恶劣条件下也能够抑制图像显示区域的劣化的耐久性优异的粘合型光学膜,并提供其制造方法。 还公开了使用这种压敏粘合剂光学膜的图像显示。 一种压敏粘合剂光学膜,包括:光学膜; 以及设置在所述光学膜的一侧或两侧的压敏粘合剂层,其中所述压敏粘合剂层由包含100重量份的(甲基)丙烯酸类聚合物的压敏粘合剂组合物制成,所述(甲基)丙烯酸聚合物包含作为 单体单元,至少50重量%的具有4个或更多个碳原子的烷基的(甲基)丙烯酸烷基酯和0.02-2重量份的过氧化物,并且所述压敏粘合剂层的厚度 20个或更多个。

    Liquid crystal display panel and liquid crystal display
    3.
    发明授权
    Liquid crystal display panel and liquid crystal display 有权
    液晶显示面板和液晶显示屏

    公开(公告)号:US08962108B2

    公开(公告)日:2015-02-24

    申请号:US12090765

    申请日:2006-09-14

    摘要: A liquid crystal display panel includes a liquid crystal cell, a first polarizing plate placed on one side of the liquid crystal cell, a second polarizing plate placed on the other side of the liquid crystal cell, a retardation film placed between the liquid crystal cell and the first polarizing plate, and a pressure-sensitive adhesive layer placed between the liquid crystal cell and the retardation film, wherein the first and second polarizing plates have absorption axes whose directions are substantially orthogonal to each other, the retardation film is a norbornene resin-containing stretched film and has a refractive index ellipsoid satisfying the relation nx≧nz>ny, and the pressure-sensitive adhesive layer includes a pressure-sensitive adhesive that may be produced by crosslinking a composition including a (meth)acrylate (co)polymer and a crosslinking agent including a peroxide as a main component. When the liquid crystal display panel is viewed from oblique directions, leakage of light and changes in color are small, and when the liquid crystal cell is recycled, the laminated film has a high level of easy peelability.

    摘要翻译: 液晶显示面板包括液晶单元,位于液晶单元一侧的第一偏振板,位于液晶单元另一侧的第二偏光板,位于液晶单元和 所述第一偏振板和位于所述液晶单元和所述延迟膜之间的压敏粘合剂层,其中所述第一和第二偏振片具有彼此基本正交的吸收轴,所述延迟膜是降冰片烯树脂 - 并且具有满足关系nx≥nz> ny的折射率椭圆体,并且所述粘合剂层包括压敏粘合剂,其可以通过将包含(甲基)丙烯酸酯(共)聚合物的组合物和 以过氧化物为主要成分的交联剂。 当从斜方向观察液晶显示面板时,光的泄漏和颜色变化小,并且当液晶单元被再循环时,层压膜具有高水平的易剥离性。

    Pressure-sensitive adhesive optical film and image display
    4.
    发明授权
    Pressure-sensitive adhesive optical film and image display 有权
    压敏胶片和图像显示屏

    公开(公告)号:US08663798B2

    公开(公告)日:2014-03-04

    申请号:US11958818

    申请日:2007-12-18

    IPC分类号: B32B7/12 G02F1/1335

    摘要: A pressure-sensitive adhesive optical film of the present invention comprises: an optical film comprising a transparent base film and an optical compensation liquid crystal layer provided on one side of the transparent base film; a pressure-sensitive adhesive layer provided on the optical compensation liquid crystal layer; and an undercoat layer that is interposed between the optical compensation liquid crystal layer and the pressure-sensitive adhesive layer and contains a polymer and an antioxidant. The pressure-sensitive adhesive optical film can suppress window frame unevenness when a backlight is turned on.

    摘要翻译: 本发明的粘合型光学薄膜包括:光学薄膜,其包括透明基底膜和设置在透明基底膜一侧的光学补偿液晶层; 设置在光学补偿液晶层上的压敏粘合剂层; 以及介于光学补偿液晶层和压敏粘合剂层之间并含有聚合物和抗氧化剂的底涂层。 当背光打开时,压敏粘合剂光学膜可以抑制窗框不均匀。

    PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM AND IMAGE DISPLAY
    10.
    发明申请
    PRESSURE-SENSITIVE ADHESIVE OPTICAL FILM AND IMAGE DISPLAY 审中-公开
    压敏粘合光学胶片和图像显示

    公开(公告)号:US20090324944A1

    公开(公告)日:2009-12-31

    申请号:US12304817

    申请日:2007-06-11

    IPC分类号: B32B27/30 B32B33/00 G02B5/30

    摘要: A pressure-sensitive adhesive optical film of the present invention comprises: an optical film; and a pressure-sensitive adhesive layer placed on at least one side of the optical film, wherein the pressure-sensitive adhesive layer has an equilibrium moisture content ratio (a) of 0.5% by weight or less, the pressure-sensitive adhesive layer shows a displacement amount (b) of 600 μm or less in one hour at 23° C., when a tensile shearing stress of 500 gf is applied to an adhesion area of 10 mm×10 mm having a thickness of 25 μm, and the equilibrium moisture content ratio (a) and the displacement amount (b) satisfy the relation: b

    摘要翻译: 本发明的粘合型光学薄膜包括:光学薄膜; 和设置在所述光学膜的至少一侧的压敏粘合剂层,其中,所述粘合剂层的平衡含水率(a)为0.5重量%以下,所述粘合剂层显示出 当在厚度为25μm的10mm×10mm的粘合区域上施加500gf的拉伸剪切应力时,在23℃下在1小时内的位移量(b)为600μm以下,平衡含水率 (a)和位移量(b)满足关系式:b <1036.4xe-5.124a。 即使在其上放置压敏粘合剂层的光学膜由具有低透湿性的材料制成时,该粘合型光学薄膜也可在高温环境下具有高耐久性并且在这种环境中防止发泡。