发明名称 |
OPTICALLY ISOTROPIC LIQUID CRYSTALLINE MEDIUM, AND OPTICAL ELEMENT |
摘要 |
A liquid crystal medium having a wide temperature range of a liquid crystal phase, a large optical anisotropy, and a large dielectric anisotropy and having an optically isotropic liquid crystal phase is provided. The liquid crystal medium is characterized by containing a liquid crystal compound having a pyrimidine ring and a linking group -CF 2 O- and a chiral dopant, and exhibiting an optically isotropic liquid crystal phase. |
申请公布号 |
EP2302015(A1) |
申请公布日期 |
2011.03.30 |
申请号 |
EP20090746537 |
申请日期 |
2009.05.08 |
申请人 |
CHISSO CORPORATION;CHISSO PETROCHEMICAL CORPORATION |
发明人 |
HASEBA YASUHIRO;SAGO KOHKI;KUNINOBU TAKAFUMI |
分类号 |
C09K19/34;C07D239/26;C07D493/04;C09K19/02;C09K19/04;C09K19/12;C09K19/14;C09K19/16;C09K19/18;C09K19/20;C09K19/30;C09K19/32;C09K19/54;C09K19/58;G02F1/13;G02F1/137 |
主分类号 |
C09K19/34 |
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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