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公开(公告)号:US07125918B2
公开(公告)日:2006-10-24
申请号:US10131416
申请日:2002-04-22
申请人: Kunio Shimizu , Toru Kobayashi
发明人: Kunio Shimizu , Toru Kobayashi
IPC分类号: C09D101/10 , C09D101/12 , C09D101/14 , C08J7/04 , C08L1/10 , C08L1/12 , C08L1/14 , C08L1/20 , C08J7/20
CPC分类号: G02B1/14 , G02B1/105 , G02B5/3033 , G02F1/133528
摘要: A protective film of a polarizing plate comprising a cellulose ester film, wherein a variation in a weight of the cellulose ester film is 0 to 2% under a keeping condition of 80±5° C. and 90±10% RH for 48 hours.