| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polyester film for optical film which can be used suitably as an optical film, suppress the occurrence of interference fringe, and prevent damage to another optical film or the like that comes into contact therewith. <P>SOLUTION: A polyester film for optical film used by laminating optical functional layers selected from a hard coat layer, a prism layer, a diffusion layer, and a lens layer, is a co-extrusion laminated film having at least one outermost layer containing particles with a pore volume of 0.5-2.0 ml/g. <P>COPYRIGHT: (C)2013,JPO&INPIT |
