OPTICAL FILM, POLARIZING PLATE PROTECTING FILM, RETARDATION FILM, POLARIZING PLATE, METHOD FOR MANUFACTURING OPTICAL FILM, METHOD FOR MANUFACTURING POLARIZING PLATE PROTECTING FILM, AND METHOD FOR MANUFACTURING POLARIZING PLATE

摘要

PROBLEM TO BE SOLVED: To provide an optical film which can prevent the flatness of a cellulose ester film from becoming worse.

SOLUTION: The optical film contains the cellulose ester film bridged in three dimensions with a bridging agent. A metal compound layer containing at least one of oxygen atoms and nitrogen atoms and further metal atoms is provided on at least one surface of the cellulose ester film across an active-beam setting resin layer.

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