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31. 发明授权

US07548290B1 Polarizing plate with optical compensation layer and image display apparatus using the same 失效
标题翻译：具有光学补偿层的偏光板和使用其的图像显示装置
公开(公告)号：US07548290B1
公开(公告)日：2009-06-16
申请号：US11994448
申请日：2006-11-24
申请人： Yoshitsugu Kitamura , Katsunori Takada
发明人： Yoshitsugu Kitamura , Katsunori Takada
IPC分类号： G02F1/1335
CPC分类号： G02B5/3083 , G02B5/3033 , G02F1/133528 , G02F1/13363 , G02F2001/133638 , G02F2201/50 , G02F2202/40 , G02F2413/03 , G02F2413/08 , G02F2413/11 , G02F2413/12 , G02F2413/13 , Y10T428/105
摘要： The polarizing plate with an optical compensation layer of the present invention includes: a hardcoat layer; a polarizer; a first optical compensation layer placed so that a slow axis thereof intersects with an absorption axis of the polarizer; and a second optical compensation layer placed so that a slow axis thereof intersects with the absorption axis of the polarizer in the stated order, wherein: the first optical compensation layer provides a substantially ½ retardation with respect to a wavelength of monochromatic light; the second optical compensation layer provides a substantially ¼ retardation with respect to a wavelength of monochromatic light; and the hardcoat layer contains urethaneacrylate, polyol (meth)acrylate, and (meth) acrylic polymer having an alkyl group containing at least two hydroxyl groups. The polarizing plate with an optical compensation layer of the present invention may suitably be used for various image display apparatuses (such as a liquid crystal display apparatus and a self-luminous display apparatus).
摘要翻译：具有本发明的光学补偿层的偏光板包括：硬涂层; 偏振片第一光学补偿层，其使得其慢轴与偏振器的吸收轴相交; 以及第二光学补偿层，以使得其慢轴与所述偏振器的吸收轴以所述顺序相交，其中：所述第一光学补偿层相对于单色光的波长提供大致1/2的延迟; 第二光学补偿层相对于单色光的波长提供基本上为1/4的延迟; 硬涂层含有氨基甲酸酯丙烯酸酯，多元醇（甲基）丙烯酸酯和具有至少两个羟基的烷基的（甲基）丙烯酸类聚合物。具有本发明的具有光学补偿层的偏振片可以适用于各种图像显示装置（例如液晶显示装置和自发光显示装置）。

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