CPC C09K 19/3491 (2013.01) [C09K 19/542 (2013.01); C09K 2019/548 (2013.01); G02F 1/13712 (2021.01)] | 13 Claims |
1. A liquid-crystalline medium, comprising one or more compounds of formula IA
in which
R11 and R12 identically or differently, denote H, an alkyl or alkoxy radical having 1 to 15 C atoms, in which one or more CH2 groups in these radicals are optionally replaced, independently of one another, by —C≡C—, —CF2O—, —OCF2—, —CH═CH—,
—CO—O— or —O—CO— in such a way that O atoms are not linked directly to one another, and in which one or more H atoms may be replaced by halogen,
one or more compounds of formula BS
in which
alkyl and alkyl* identically or differently, denote alkyl having 1 to 7 C atoms, in which one or more CH2 groups may be replaced by
and
one or more compounds selected from the group of the compounds of the formulae T-1 to T-21,
in which
R denotes a straight-chain alkyl or alkoxy radical having 1 to 6 C atoms,
(O) denotes —O— or a single bond,
m is 0, 1, 2, 3, 4, 5 or 6 and
n is 0, 1, 2, 3 or 4.
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