| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical film having a polarizer-protecting film which is mainly composed of a (meth)acrylic resin and is extremely excellent in adhesion to a polarizer composed of a polyvinyl alcohol resin, to provide a polarizing plate which comprises the polarizer composed of the polyvinyl alcohol resin and the polarizer-protecting film mainly composed of the (meth)acrylic resin and which has high optical transparency and excellent optical characteristics and mechanical strength while being extremely excellent in adhesion between the polarizer and the polarizer-protecting film and further to provide a high quality image display using the polarizing plate. <P>SOLUTION: The optical film is obtained by sequentially arranging the polarizer-protecting film mainly composed of the (meth)acrylic resin, a polyethylenimine layer and the polyvinyl alcohol resin layer in this order. <P>COPYRIGHT: (C)2007,JPO&INPIT |
