公开(公告)号：US10459290B2

公开(公告)日：2019-10-29

申请号：US14802438

申请日：2015-07-17

申请人： FUJIFILM Corporation

发明人： Yoshiaki Hisakado ,  Masato Nagura ,  Yu Naito ,  Rikio Inoue ,  Yutaka Adegawa

IPC分类号： G02F1/13363 ,  G02B5/30 ,  G02B5/20 ,  G02B1/14 ,  C08J5/18 ,  C08L1/10 ,  C08K5/3462 ,  C08B3/08 ,  C08B3/18 ,  C08B3/06 ,  C08B3/16 ,  C08K5/544

摘要： A film of 15 to 45 μm thick containing a cellulose acylate and an aromatic ester oligomer having a repeating unit derived from a dicarboxylic acid and a repeating unit derived from a diol, in which the repeating unit derived from a dicarboxylic acid has a ratio m/n of from 0/10 to 3/7, m and n represent a molar proportion of a repeating unit derived from an aliphatic dicarboxylic acid and an aromatic dicarboxylic acid, respectively, and the film satisfies |Rth(590)|≤50 nm; has a good appearance and is free of deterioration in display performance when the film with a thin thickness is produced in the form of a roll, achieves a high pencil hardness by imparting a high Knoop hardness to the film, even with a hard coat layer provided, and is free of display unevenness on installing the film in a liquid crystal display device.