发明授权
- 专利标题: FLÜSSIGKRISTALLINES MEDIUM
- 专利标题(英): Liquid crystalline medium
- 专利标题(中): 液晶介质。
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申请号: EP91907642.2申请日: 1991-04-12
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公开(公告)号: EP0477335B1公开(公告)日: 1995-07-05
- 发明人: RIEGER, Bernhard Wacore - Tamagawagakuen , HITTICH, Reinhard , REIFFENRATH, Volker , COATES, David , KURMEIER, Hans-Adolf , PLACH, Herbert
- 申请人: MERCK PATENT GmbH
- 申请人地址: Postfach, Frankfurter Strasse 250 D-64271 Darmstadt DE
- 专利权人: MERCK PATENT GmbH
- 当前专利权人: MERCK PATENT GmbH
- 当前专利权人地址: Postfach, Frankfurter Strasse 250 D-64271 Darmstadt DE
- 优先权: DE4012033 19900413
- 国际公布: WO9116398 19911031
- 主分类号: C09K19/30
- IPC分类号: C09K19/30 ; C09K19/44
摘要:
The invention relates to a liquid crystalline medium based on a mixture of polar compounds with a positive dielectric anisotropy which contains one or more compounds of the general formula (I) in which: L is H or F; X is F, C1, CF3, OCF3 or OCHF2 and R is alkyl, oxa-alkyl, fluoroalkyl or alkenyl with up to 7 c atoms.
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