Patent ID: 11932797
Assignee: MERCK PATENT GMBH
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  G | IPC C  G

Claim 3:
4. The liquid-crystalline medium according to claim 1, which additionally comprises one or more compounds selected from the group of the compounds of the formulae IIA, IIB and IIC,, , in which
R2A, R2B and R2C each, independently of one another, denote H, an alkyl having 1 to 15 C atoms or alkenyl radical having 2 to 15 C atoms which is unsubstituted, monosubstituted by CN or CF3 or at least monosubstituted by halogen, where, in addition, one or more CH2 groups in these radicals may each be replaced by —O—, —S—,, —C≡C, —CF2O—, —OCF2—, —OC—O— or —O—CO— in such a way that O atoms are not linked directly to one another, a cyclopropyl ring, cyclobutyl ring or cyclopentyl ring,
L1-4 each, independently of one another, denote F, Cl, CF3 or CHF2,
Z2 and Z2′ each, independently of one another, denote a single bond, —CH2CH2—, —CH═CH—, —OCF2—, —CH2O—, —OCH2—, —COO—, —OCO—, —C2F4—, —CF═CF—, —C≡C— or —CH═CHCH2O—,
p denotes 0, 1 or 2,
q denotes 0 or 1, and
v denotes 1 to 6.