| 发明名称 |
PHASE DIFFERENCE COMPENSATION FILM. |
| 摘要 |
<p>A polycarbonate phase difference compensation film which can be used for a liquid crystal display, etc., and can reduce a change in retardation resulting from a temperature change in the stretching step by the use of a polycarbonate having a branched structure and a viscosity-average molecular weight of less than 40,000.</p> |
| 申请公布号 |
EP0596129(A4) |
申请公布日期 |
1995.03.29 |
| 申请号 |
EP19930904353 |
申请日期 |
1993.02.25 |
| 申请人 |
IDEMITSU PETROCHEMICAL CO |
发明人 |
OKAMOTO MASAYA IDEMITSU PETROC;KUZE SHIGEKI IDEMITSU PETROCHE;KUNISHI NORIYUKI IDEMITSU PETR;NAKASHIMA TAISUKE IDEMITSU PET |
| 分类号 |
C08G64/14;G02B1/04;G02B5/30;G02F1/13363;(IPC1-7):G02B5/30 |
主分类号 |
C08G64/14 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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