OPTICAL FILM, RESIN MATERIAL FOR OPTICAL FILM, AND IMAGE DISPLAY DEVICE |
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| 申请号 | EP12853145 | 申请日 | 2012-09-25 | 公开(公告)号 | EP2789634A4 | 公开(公告)日 | 2015-08-05 |
| 申请人 | UNIV KEIO; JX NIPPON OIL & ENERGY CORP; | 发明人 | KOIKE YASUHIRO; TAGAYA AKIHIRO; MATSUO AKIRA; UCHIZAWA SAYAKO; MATSUMURA YASUO; | ||||
| 摘要 | Disclosed is an optical film comprising a resin material containing a copolymer of 20 to 90% by weight of methyl methacrylate, 10 to 70% by weight of tert-butylcyclohexyl methacrylate represented by formula (I): and 0 to 20% by weight of a monomer other than methyl methacrylate and tert-butylcyclohexyl methacrylate, the optical film having been produced by drawing an undrawn film formed by melt-extruding the resin material by a factor of 1.4 to 6.0 in terms of area ratio. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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