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1. (WO2018219841) LIQUID-CRYSTAL MEDIUM

Pub. No.:    WO/2018/219841    International Application No.:    PCT/EP2018/063868
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Tue May 29 01:59:59 CEST 2018
IPC: C09K 19/30
C09K 19/34
C09K 19/12
C09K 19/18
C09K 19/04
Applicants: MERCK PATENT GMBH
Inventors: WITTEK, Michael
KLASS, Dagmar
Title: LIQUID-CRYSTAL MEDIUM
Abstract:
The invention relates to a liquid-crystal medium having a clarification point of 120°C or more, containing at least one compound selected from the group of compounds of formulae (IA), (IB), (IC), (ID) and (II), in which the groups and parameters have the designations indicated in the claims, in a total concentration of at least 65%. The invention also relates to the use of said medium for electrooptical purposes, particularly for liquid-crystal light valves for using in lighting devices for motor vehicles, to liquid-crystal light valves containing said medium, and to lighting devices based on such liquid-crystal light valves.