Patent ID: 8715527

Claim:
A liquid-crystalline medium, comprising one or more compounds of formula I and one or more compounds selected from the group of compounds of formulae IA and IB and one or more compounds of formulae RI to RVII: in which R 1 , R 2 each, independently of one another, denote H, a halogenated, CN-substituted or unsubstituted alkyl radical having 1 to 15 C atoms, in which one or more CH 2 groups are each optionally replaced, independently of one another, by —C≡C—, —CO—, —CH═CH—, —O—, in such a way that O atoms are not linked directly to one another, X 1 , X 2 each, independently of one another, denote F, Cl, CN, SF 5 , SCN, NCS, a halogenated alkyl radical, a halogenated alkenyl radical, a halogenated alkoxy radical or a halogenated alkenyloxy radical, each having up to 6 C atoms, L 1-4 each, independently of one another, denote H or F, R* denotes n-alkyl, alkenyl, alkoxy, oxaalkyl, fluoroalkyl or alkenyloxy, each having up to 9 C atoms, alkyl and alkyl* each, independently of one another, denote a straight-chain or branched alkyl radical having 1-9 C atoms, and (O) denotes a single bond or —O—.