Invention Grant
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
- Patent Title: Liquid-crystalline medium and liquid-crystal display comprising 1,2-difluoroethene compounds
- Patent Title (中): 包含1,2-二氟乙烯化合物的液晶介质和液晶显示器
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Application No.: US12631046Application Date: 2009-12-04
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Publication No.: US07923079B2Publication Date: 2011-04-12
- Inventor: Michael Wittek , Markus Czanta , Harald Hirschmann , Volker Reiffenrath
- Applicant: Michael Wittek , Markus Czanta , Harald Hirschmann , Volker Reiffenrath
- Applicant Address: DE Darmstadt
- Assignee: Merck Patent GmbH
- Current Assignee: Merck Patent GmbH
- Current Assignee Address: DE Darmstadt
- Agency: Millen, White, Zelano & Branigan, P.C.
- Priority: DE102005027171 20050613
- Main IPC: C09K19/34
- IPC: C09K19/34 ; C09K19/30 ; C09K19/12 ; C09K19/20
Abstract:
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.
Public/Granted literature
- US20100085529A1 LIQUID-CRYSTALLINE MEDIUM AND LIQUID-CRYSTAL DISPLAY COMPRISING 1,2-DIFLUOROETHENE COMPOUNDS Public/Granted day:2010-04-08
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