Patent ID: 7972664

Claim:
A liquid-crystalline medium, comprising: at least one compound of formula I in which R 0 denotes a halogenated or unsubstituted alkyl or alkoxy radical having 1 to 15 C atoms, in which one or more CH 2 groups are optionally, independently of one another, replaced by —C≡C—, —CF 2 O—, —CH═CH—, —O—, —CO—O— or —O—CO— in such a way that O atoms are not linked directly to one another, X 0 denotes F, Cl, CN, SF 5 , SCN, NCS, a halogenated alkyl radical, a halogenated alkenyl radical, a halogenated alkoxy radical or a halogenated alkenyloxy radical having up to 6 C atoms, Y 1 denotes F, and Y 2-7 each, independently of one another, denote H or F; and one or more compounds selected from the following formulae XIX and XXI to XXIII: in which R 0 , X 0 and Y 1-4 each, independently of one another, have one of the meanings indicated above.