发明名称 |
Optical rotator. |
摘要 |
<p>An optical rotator comprising a light transmitting base; an alignment film layer formed on said base; and a film layer formed of a liquid crystalline polymer which exhibits a twisted nematic orientation in the state of liquid crystal and assumes a glassy state at a temperature below the liquid crystal transition point of the polymer.</p> |
申请公布号 |
EP0457607(A2) |
申请公布日期 |
1991.11.21 |
申请号 |
EP19910304458 |
申请日期 |
1991.05.17 |
申请人 |
NIPPON OIL CO., LTD. |
发明人 |
ITOH, HIROYUKI;TOYOOKA, TAKEHIRO;IIDA, SHIGEKI |
分类号 |
G02B1/08;G02B5/30;G02F1/13;G02F1/13363 |
主分类号 |
G02B1/08 |
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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