发明公开
- 专利标题： FUSED RING COMPOUND
- 专利标题（中）： KONDENSIERTE RING-VERBINDUNGEN
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申请号： EP99943249.5申请日： 1999-09-10
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公开(公告)号： EP1201632A1公开(公告)日： 2002-05-02
- 发明人: Ogawa, Shinji , Kawara, Tatsuo , Takehara, Sadao , Ohnishi, Hiroyuki , Takeuchi, Kiyofumi , Takatsu, Haruyoshi , Grahe, Gerwald , Frings, Rainer Bruno , Fugger, Christine , Pithart, Cornelia
- 申请人： DAINIPPON INK AND CHEMICALS, INC.
- 申请人地址： 35-58, Sakashita 3-chome Itabashi-ku, Tokyo 174-8520 JP
- 专利权人： DAINIPPON INK AND CHEMICALS, INC.
- 当前专利权人： DAINIPPON INK AND CHEMICALS, INC.
- 当前专利权人地址： 35-58, Sakashita 3-chome Itabashi-ku, Tokyo 174-8520 JP
- 代理机构： Albrecht, Thomas, Dr.
- 优先权： JP21985599 19990803
- 国际公布： WO0110803 20010215
- 主分类号： C07C13/60
- IPC分类号： C07C13/60 ; C07C25/22 ; C07C25/24 ; C07C39/17 ; C07C43/225 ; C07C49/675 ; C07C255/50 ; C07C255/55 ; C09K19/32 ; C09K19/34 ; G02F1/13
摘要：
A novel compound represented by the general formula (I), and a nematic liquid crystal composition incorporating the same.
A compound represented by the general formula (I) can be produced industrially extremely easily, as shown in the examples, displays superior compatibility with current general purpose host liquid crystals as a nematic phase, and also shows little crystal precipitation at low temperatures. Moreover, by addition of a small amount of such a compound to a host liquid crystal, the liquid crystal temperature range at low temperatures can be effectively widened without any significant worsening of the various characteristics of the liquid crystal material. Consequently, a compound of the present invention is an extremely useful liquid crystal material which is suitable for various liquid crystal display elements which require a broad operating temperature range.
A compound represented by the general formula (I) can be produced industrially extremely easily, as shown in the examples, displays superior compatibility with current general purpose host liquid crystals as a nematic phase, and also shows little crystal precipitation at low temperatures. Moreover, by addition of a small amount of such a compound to a host liquid crystal, the liquid crystal temperature range at low temperatures can be effectively widened without any significant worsening of the various characteristics of the liquid crystal material. Consequently, a compound of the present invention is an extremely useful liquid crystal material which is suitable for various liquid crystal display elements which require a broad operating temperature range.
公开/授权文献
- EP1201632B1 FUSED RING COMPOUND 公开/授权日：2006-03-29
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