POLYMER FILM, METHOD FOR PRODUCING POLYMER FILM, OPTICAL FILM AND POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME
申请人:Fukagawa Nobutaka
公开号:US20090122237A1
公开(公告)日:2009-05-14
A polymer film, which comprises: organic compound fine particles containing a retardation developer and having an average particle size of from 1 nm to 1,000 nm; a method for producing a polymer film, which comprises: casting a dope containing a polymer, a solvent for dissolving the polymer, a retardation developer and an additive other than the retardation developer on a support; peeling off; drying; and stretching, wherein the retardation developer is uniformly dissolved in the dope, and between the casting and the stretching, organic compound fine particles containing the retardation developer are formed within a film; and an optical film, which comprises: at least one compound represented by formula (I) as defined in the specification; and at least one Rth raising agent.