Polymerisable LC material comprising at least one monoreactive mesogenic compound selected from formula MRM, P 1 -Sp 1 -MG-R MRM wherein P 1, Sp 1 and MG have the meanings as given in formula DRM, R is F, Cl, Br, I, -CN, -NO 2, -NCO, -NCS, -OCN, -SCN, -C(=O)NR x R y, -C(=O)X, -C(=O)OR x, -C(=O)R y, -NR x R y, -OH, -SF 5, optionally substituted silyl, straight chain or branched alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy with 1 to 12 C atoms, wherein one or more H atoms are optionally replaced by F or Cl, X is halogen, R x and R y are independently of each other H or alkyl with 1 to 12 C-atoms, at least one di- or multireactive mesogenic compound selected of formula DRM P 1 -Sp 1 -MG-Sp 2 -P 2 DRM wherein P 1 and P 2 independently of each other denote a polymerisable group, Sp 1 and Sp 2 independently of each other are a spacer group or a single bond, MG is a rod-shaped mesogenic group selected of formula MG, -(A 1 -Z 1) n -A 2 - MG Wherein, A 1 and A 2 denote, in case of multiple occurrence independently of one another, an aromatic or alicyclic group, which optionally contains one or more heteroatoms selected from N, O and S, and is optionally mono- or polysubstituted by L 1, L 1 is P-Sp-, F, Cl, Br, I, -CN, -NO 2, -NCO, -NCS, -OCN, -SCN, -C(=O)NR 00 R 000, -C(=O)OR 00, -C(=O)R 00, -NR 00 R 000, -OH, -SF5, optionally substituted silyl, aryl or heteroaryl with 1 to 12 C atoms, straight chain or branched alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy with 1 to 12, C atoms, wherein one or more H atoms are optionally replaced by F or Cl, R 00 and R 000 independently of each other denote H or alkyl with 1 to 12 C-atoms, Z 1 denotes, in case of multiple occurrence independently of one another, -O-, -S-, -CO-, -COO-, -OCO-, -S-CO-, -CO-S-, -O-COO-, -CO-NR 00 -, -NR 00 -CO-, -NR 00 -CO-NR 000, -NR 00 -CO-O-, -O-CO-NR 00 -, -OCH 2 -, -CH 2 O-, -SCH 2 -, -CH 2 S-, -CF 2 O-, -OCF 2 -, -CF 2 S-, -SCF 2 -, -CH 2 CH 2 -, -(CH 2) n1, -CF 2 CH 2 -, -CH 2 CF 2 -, -CF 2 CF 2 -, -CH=N-, -N=CH-, -N=N-, -CH=CR 00 -, -CY 1 =CY 2 -, -C≡C-, -CH=CH-COO-, -OCO-CH=CH- or a single bond, Y 1 and Y 2 independently of each other denote H, F, Cl or CN, n is 1, 2, 3 or 4, and n1 is an integer from 1 to 10, and pentaerythritol tetrakis(3,5-di-tert-butyl-4-hydroxyhydrocinnamate). R is F, Cl, Br, I, -CN, -NO 2, -NCO, -NCS, -OCN, -SCN, -C(=O)NR x R y, -C(=O)X, -C(=O)OR x, -C(=O)R y, -NR x R y, -OH, -SF 5, optionally substituted silyl, straight chain or branched alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy with 1 to 12 C atoms, wherein one or more H atoms are optionally replaced by F or Cl, X is halogen, R x and R y are independently of each other H or alkyl with 1 to 12 C-atoms, P 1 and P 2 independently of each other denote a polymerisable group, Sp 1 and Sp 2 independently of each other are a spacer group or a single bond, MG is a rod-shaped mesogenic group selected of formula MG, -(A 1 -Z 1) n -A 2 - MG A 1 and A 2 denote, in case of multiple occurrence independently of one another, an aromatic or alicyclic group, which optionally contains one or more heteroatoms selected from N, O and S, and is optionally mono- or polysubstituted by L 1, L 1 is P-Sp-, F, Cl, Br, I, -CN, -NO 2, -NCO, -NCS, -OCN, -SCN, -C(=O)NR 00 R 000, -C(=O)OR 00, -C(=O)R 00, -NR 00 R 000, -OH, -SF5, optionally substituted silyl, aryl or heteroaryl with 1 to 12 C atoms, straight chain or branched alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy with 1 to 12, C atoms, wherein one or more H atoms are optionally replaced by F or Cl, R 00 and R 000 independently of each other denote H or alkyl with 1 to 12 C-atoms, Z 1 denotes, in case of multiple occurrence independently of one another, -O-, -S-, -CO-, -COO-, -OCO-, -S-CO-, -CO-S-, -O-COO-, -CO-NR 00 -, -NR 00 -CO-, -NR 00 -CO-NR 000, -NR 00 -CO-O-, -O-CO-NR 00 -, -OCH 2 -, -CH 2 O-, -SCH 2 -, -CH 2 S-, -CF 2 O-, -OCF 2 -, -CF 2 S-, -SCF 2 -, -CH 2 CH 2 -, -(CH 2) n1, -CF 2 CH 2 -, -CH 2 CF 2 -, -CF 2 CF 2 -, -CH=N-, -N=CH-, -N=N-, -CH=CR 00 -, -CY 1 =CY 2 -, -C≡C-, -CH=CH-COO-, -OCO-CH=CH- or a single bond, Y 1 and Y 2 independently of each other denote H, F, Cl or CN, n is 1, 2, 3 or 4, and n1 is an integer from 1 to 10,