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Method for producing an optical retardation film by infiltration of an anisotropic liquid crystal material into a polymer film
Method for producing an optical retardation film by infiltration of an anisotropic liquid crystal material into a polymer film
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机译:通过将各向异性液晶材料渗透到聚合物膜中来制备光学延迟膜的方法
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摘要
The main object of the present invention is to provide a highly reliable biaxial retardation film without the problems of peeling off of the retardation layer from the base material or the like generated in the case of forming the retardation layer, capable of enlarging the range of the thickness direction and in-plane direction retardation values to be obtained, easily obtaining optional thickness direction and in-plane direction retardation values even for a small amount, a method for producing the same, an optical functional film using the retardation layer, a polarizing film and a display device. In order to achieve the above-mentioned object, an optically biaxial retardation film, comprising a polymer film containing a material having refractive index anisotropy, wherein the material having refractive index anisotropy has a concentration gradient in a thickness direction of the polymer film, is provided.
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