Patent ID: 11920075
Assignee: MERCK PATENT GMBH
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  G | IPC C  G

Claim 0:
1. An LC medium, having positive dielectric anisotropy and comprising one or more compounds of formula IA and one or more compounds of formula IB, in which R1 and R2 in each case, independently of one another, denote alkyl, alkoxy, oxaalkyl or fluoroalkyl, in each case having 1 to 7 C atoms,
the LC medium comprises no compounds of the formulae IA and IB in which one or both radicals R1 or R2 contain a C═C double bond,
and wherein of the one or more compounds of formula IA at least one of formula IA1a and/or formula IA1b is present, , and of the one or more compounds of formula IB at least a compound of formula IB1a is present, and wherein said medium further comprises one or more compounds selected from formulae XVIb1, XVIb2, and XVIb3,