发明授权
US07923079B2 Liquid-crystalline medium and liquid-crystal display comprising 1,2-difluoroethene compounds
有权
包含1,2-二氟乙烯化合物的液晶介质和液晶显示器
- 专利标题: Liquid-crystalline medium and liquid-crystal display comprising 1,2-difluoroethene compounds
- 专利标题(中): 包含1,2-二氟乙烯化合物的液晶介质和液晶显示器
-
申请号: US12631046申请日: 2009-12-04
-
公开(公告)号: US07923079B2公开(公告)日: 2011-04-12
- 发明人: Michael Wittek , Markus Czanta , Harald Hirschmann , Volker Reiffenrath
- 申请人: Michael Wittek , Markus Czanta , Harald Hirschmann , Volker Reiffenrath
- 申请人地址: DE Darmstadt
- 专利权人: Merck Patent GmbH
- 当前专利权人: Merck Patent GmbH
- 当前专利权人地址: DE Darmstadt
- 代理机构: Millen, White, Zelano & Branigan, P.C.
- 优先权: DE102005027171 20050613
- 主分类号: C09K19/34
- IPC分类号: C09K19/34 ; C09K19/30 ; C09K19/12 ; C09K19/20
摘要:
The present invention relates to a liquid-crystalline medium comprising 1,2-difluoroethene compounds of the general formula I, in which R1, ring A, Z1, Z2, m, X and L1-6 are as defined in Claim 1. The invention also relates to the use of the medium for electro-optical purposes and to displays containing this medium. Novel 1,2-difluoroethene compounds having 3 or more rings are disclosed.