4,6-difluorodibenzothiophene compounds of formula I
the preparation thereof, the use thereof as components in liquid-crystalline media and electro-optical display elements which contain the liquid-crystalline media.
DIBENZOFURAN DERIVATIVES AND DIBENZOTHIOPHENE DERIVATIVES
申请人:MERCK PATENT GMBH
公开号:US20210139451A1
公开(公告)日:2021-05-13
The invention relates to compounds of the formula I
in which groups and parameters that occur have the definitions given in Claim
1
, to the preparation thereof, to the use thereof as components in liquid-crystalline media and to electrooptical display elements comprising the liquid-crystalline media of the invention.
[EN] 4,6-DIFLUORODIBENZOTHIOPHENE DERIVATIVES AND LIQUID-CRYSTAL MEDIUM CONTAINING THESE<br/>[FR] DÉRIVÉS DE 4,6-DIFLUORODIBENZOTHIOPHÈNE ET MILIEU DE CRISTAUX LIQUIDES LES CONTENANT
申请人:MERCK PATENT GMBH
公开号:WO2022084168A1
公开(公告)日:2022-04-28
The present invention relates to 4,6-difluorodibenzothiophene derivatives of formulae I-1 and I-2, to a process for the preparation thereof, to liquid-crystalline (LC) media comprising these derivatives and to electro-optical devices and in particular displays containing these liquid-crystalline media.