Patent ID: 7998540

Claim:
A compound comprising identical or different groups of formula I1 -[(G) g -(A) a ] z - I1 wherein G is, in case of multiple occurrence independently of one another, R 3 to R 6 are, independently of each other, F, Cl, Br, I, CN, NO 2 , NCS, SF 5 or a straight chain or branched alkyl having 1 to 30 C-atoms that is unsubstituted, mono- or poly-substituted by F, Cl, Br, I or CN, and in which one or more non-adjacent CH 2 groups are optionally replaced, in each case independently from one another, by —O—, —S—, —NH—, —NR 0 —, —SiR 0 R 00 —, —CO—, —COO—, —OCO—, —OCO—O—, —S—CO—, —CO—S—, —CY 1 ═CY 2 — or —C≡C— in such a manner that O and/or S atoms are not linked directly to one another, or are P-Sp, R 7 to R 10 are, independently of each other, F, Cl, Br, I, NO 2 , NCS, SF 5 or a straight chain or branched alkyl having 1 to 30 C-atoms that is unsubstituted, mono- or poly-substituted by F, Cl, Br, I or CN, and in which one or more non-adjacent CH 2 groups are optionally replaced, in each case independently from one another, by —O—, —S—, —NH—, —NR 0 —, —SiR 0 R 00 —, —CO—, —COO—, —OCO—, —OCO—O—, —S—CO—, —CO—S—, —CY 1 ═CY 2 — or —C≡C— in such a manner that O and/or S atoms are not linked directly to one another, or are P-Sp, R 0 and R 00 are independently of each other H or alkyl with 1 to 12 C-atoms, P is a polymerizable or reactive group, Sp is a spacer group or a single bond, s and t are independently of each other 0, 1, 2 or 3, g is, in case of multiple occurrence independently of one another, 1, 2 or 3, A is, in case of multiple occurrence independently of one another, —CX 1 ═CX 2 —, —C≡C—, or furane-2,5-diyl, thiophene-2,5-diyl, thienothiophene-2,5-diyl, dithienothiophene-2,6-diyl, pyrrol-2,5-diyl, 1,4-phenylene, azulene-2,6-diyl, pyridine-2,5-diyl, pyrimidine-2,5-diyl, naphthalene-2,6-diyl, 1,2,3,4-tetrahydro-naphthalene-2,6-diyl, indane-2,5-diyl, 1,4-cyclohexylene, in which 1,4-cyclohexylene one or two non-adjacent CH 2 groups are optionally replaced by O and/or S, oxazole, thiazole, thiadiazole, imidazole, pyrazine, phenanthrene, or alkyl fluorene, which are optionally mono- or polysubstituted by R 3 , X 1 and X 2 are independently of each other H, F, Cl or CN, Y 1 and Y 2 are independently of each other H, F, Cl or CN, a is, in case of multiple occurrence independently of one another, 0 or 1, and z is an integer of 2 to 5000, wherein the groups [(G) g -(A) a ] can be identical or different, and wherein in at least one recurring unit [(G) g (A) a ] g=a=1.