Patent ID: 8592007

Claim:
A PS (polymer stabilized) or PSA (polymer sustained alignment) liquid-crystal (LC) display, containing a liquid-crystal (LC) medium comprising a compound of formula I wherein G denotes —CM=CR c —CO— or —CO—CM=CR c —, M denotes —(Z 2 -A 2 ) n2 -R b , A 1 and A 2 each, independently of one another, denote an aromatic, heteroaromatic, alicyclic or heterocyclic group, which optionally contains fused rings, and which is optionally mono- or polysubstituted by L, Z 1 denotes on each occurrence, identically or differently, —O—, —S—, —CO—, —CO—O—, —OCO—, —O—CO—O—, —OCH 2 —, —CH 2 O—, —SCH 2 —, —CH 2 S—, —CF 2 O—, —OCF 2 —, —CF 2 S—, —SCF 2 —, —(CH 2 ) n3 —, —CF 2 CH 2 —, —CH 2 CF 2 —, —(CF 2 ) n3 —, —CH═CH—, —CF═CF—, —CH═CF—, —CF═CH—, —C≡C—, —CH═CH—COO—, —OCO—CH═CH—, —CH 2 —CH 2 —COO—, —OCO—CH 2 —CH 2 —, or a single bond, Z 2 denotes on each occurrence, identically or differently, —O—, —CO—O—, —OCO—, —OCH 2 —, —CH 2 O—, —CF 2 O—, —OCF 2 —,—CH 2 CH 2 —, —CH═CH—, —CF═CF—, —CH═CF—, —CF═CH—, —C≡C—, or a single bond, R a , R b and R c denote, each independently, P, P-Sp-, H, OH, F, Cl, Br, I, —CN, —NO 2 , —NCO, —NCS, —OCN, —SCN, SF 5 or a straight-chain or branched alkyl having 1 to 25 C atoms, in which one or more non-adjacent CH 2 groups are optionally replaced, independently of one another, by —C(R 00 )═C(R 000 )—, —C≡C—, —N(R 00 )—, —O—, —S—, —CO—, —CO—O—, —O—CO—, or —O—CO—O— in such a way that O and/or S atoms are not linked directly to one another, and in which one or more H atoms are optionally replaced by F, Cl, Br, I, CN or P-Sp-, where at least one of the radicals R a and R b denotes or contains a group P or P-Sp-, P denotes on each occurrence, identically or differently, a polymerizable group, Sp denotes on each occurrence, identically or differently, a spacer group or a single bond, R 00 and R 000 each, independently of one another, denote H or alkyl having 1 to 12 C atoms, L denotes on each occurrence, identically or differently, P-Sp-, H, OH, CH 2 OH, halogen, SF 5 , NO 2 , a carbon group or hydrocarbon group, n1 and n2 each, independently of one another, denote 0, 1, 2 or 3, and n3 denotes 1, 2, 3 or 4.