Polymerisable LC material comprising at least one di- or multireactive mesogenic compound, at least one compound of the formula I, in which R 1 denotes H, an alkyl or alkoxy radical having 1 to 15 C atoms, where, in addition, one or more CH 2 groups in these radicals may each be replaced, independently of one another, by -CH=CH-, -C≡C-, -CF 2 O-, -CH=CH-, -O-, -CO-O-, -O-CO- in such a way that O atoms are not linked directly to one another, and in which, in addition, one or more H atoms may be replaced by halogen, R a denotes R 2 denotes H or an alkyl radical having 1 to 8 C atoms, n denotes 1, 2, 3, 4 or 5, denotes L 1 and L 2 in each case, independently of one another, denotes F, Cl, Br, I, -CN, -NO 2, -NCO, -NCS, -OCN, -SCN, straight-chain or branched alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy having 1 to 5 C atoms, in which, in addition, one or more H atoms may be replaced by F or Cl, P denotes a polymerisable group, Sp denotes a spacer group (also called spacer) or a single bond, Z 1 and Z 2 in each case, independently of one another, denotes a single bond, -O-, -S-, -CO-, -CO-O-, -OCO-, -O-CO-O-, -OCH 2 -, -CH 2 -, -CH 2 O-, -CF 2 O-, -OCF 2 -, -CH 2 CH 2 -, -(CH 2) 4 -, -CF 2 CH 2 -, -CH 2 CF 2 -, -CF 2 CF 2 -, -CH=CH-, -CF=CF-, -C≡C-, -CH=CH-COO- or -OCO-CH=CH-, p1 denotes 1, 2 or 3, r1 denotes 0, 1, 2 or 3, whereas p1+r1 ≤ 4, p2 denotes 0, 1, 2 or 3 r2 denotes 1, 2 or 3, whereas p2+r2 ≤ 4, and at least one monoreactive mesogenic compound selected from the following formulae, wherein P 0 is, in case of multiple occurrence independently of one another, an acryl, methacryl, oxetane, epoxy, vinyl, heptadiene, vinyloxy, propenyl ether or styrene group, L has on each occurrence identically or differently one of the meanings given for L 11 in formula DRM, r is 0, 1, 2, 3 or 4, x and y are independently of each other 0 or identical or different integers from 1 to 12, z is each and independently, 0 or 1, with z being 0 if the adjacent x or y is 0, R 0 is alkyl, alkoxy, thioalkyl, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy with 1 or more, preferably 1 to 15 C atoms or denotes Y 0, Y 0 is F, Cl, CN, NO 2, OCH 3, OCN, SCN, SF 5, or mono- oligo- or polyfluorinated alkyl or alkoxy with 1 to 4 C atoms, Z 0 is -COO-, -OCO-, -CH 2 CH 2 -, -CF 2 O-, -OCF 2 -,-CH=CH-,-OCO-CH=CH-, -CH=CH-COO-, or a single bond, A 0 is, in case of multiple occurrence independently of one another, 1,4-phenylene that is unsubstituted or substituted with 1, 2, 3 or 4 groups L, or trans-1,4-cyclohexylene, u and v are independently of each other 0, 1 or 2, w is 0 or 1, and wherein the benzene and naphthalene rings can additionally be substituted with one or more identical or different groups L. R 1 denotes H, an alkyl or alkoxy radical having 1 to 15 C atoms, where, in addition, one or more CH 2 groups in these radicals may each be replaced, independently of one another, by -CH=CH-, -C≡C-, -CF 2 O-, -CH=CH-, -O-, -CO-O-, -O-CO- in such a way that O atoms are not linked directly to one another, and in which, in addition, one or more H atoms may be replaced by halogen, R a denotes R 2 denotes H or an alkyl radical having 1 to 8 C atoms, n denotes 1, 2, 3, 4 or 5, denotes L 1 and L 2 in each case, independently of one another, denotes F, Cl, Br, I, -CN, -NO 2, -NCO, -NCS, -OCN, -SCN, straight-chain or branched alkyl, alkoxy, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy having 1 to 5 C atoms, in which, in addition, one or more H atoms may be replaced by F or Cl, P denotes a polymerisable group, Sp denotes a spacer group (also called spacer) or a single bond, Z 1 and Z 2 in each case, independently of one another, denotes a single bond, -O-, -S-, -CO-, -CO-O-, -OCO-, -O-CO-O-, -OCH 2 -, -CH 2 -, -CH 2 O-, -CF 2 O-, -OCF 2 -, -CH 2 CH 2 -, -(CH 2) 4 -, -CF 2 CH 2 -, -CH 2 CF 2 -, -CF 2 CF 2 -, -CH=CH-, -CF=CF-, -C≡C-, -CH=CH-COO- or -OCO-CH=CH-, p1 denotes 1, 2 or 3, r1 denotes 0, 1, 2 or 3, whereas p1+r1 ≤ 4, p2 denotes 0, 1, 2 or 3 r2 denotes 1, 2 or 3, whereas p2+r2 ≤ 4, P 0 is, in case of multiple occurrence independently of one another, an acryl, methacryl, oxetane, epoxy, vinyl, heptadiene, vinyloxy, propenyl ether or styrene group, L has on each occurrence identically or differently one of the meanings given for L 11 in formula DRM, r is 0, 1, 2, 3 or 4, x and y are independently of each other 0 or identical or different integers from 1 to 12, z is each and independently, 0 or 1, with z being 0 if the adjacent x or y is 0, R 0 is alkyl, alkoxy, thioalkyl, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy with 1 or more, preferably 1 to 15 C atoms or denotes Y 0, Y 0 is F, Cl, CN, NO 2, OCH 3, OCN, SCN, SF 5, or mono- oligo- or polyfluorinated alkyl or alkoxy with 1 to 4 C atoms, Z 0 is -COO-, -OCO-, -CH 2 CH 2 -, -CF 2 O-, -OCF 2 -,-CH=CH-,-OCO-CH=CH-, -CH=CH-COO-, or a single bond, A 0 is, in case of multiple occurrence independently of one another, 1,4-phenylene that is unsubstituted or substituted with 1, 2, 3 or 4 groups L, or trans-1,4-cyclohexylene, u and v are independently of each other 0, 1 or 2, w is 0 or 1, and