申请人:MERCK PATENT GMBH
公开号:WO2018073160A1
公开(公告)日:2018-04-26
The invention relates to a liquid-crystalline medium having negative dielectric anisotropy comprising one or more compounds of formula I and one or more compounds selected from the group of the compounds of the formulae IIA, IIB and IIC, wherein the groups and parameters have the meanings indicated in claim1, to a guest-host liquid crystal medium derived therefrom comprising one or more dichroic dyes and the use of said medium in devices such as light shutters, switchable windows, switchable mirrors and guest -host displays. The invention further relates to devices containing the liquid crystalline medium according to the invention.