Patent ID: 7083833

Claim:
A photoalignment material comprising a diamine compound with a side branch and in accord with chemical formula 1; where subscript x is an integral number from 0 to 4; component A 1 is selected from a group consisting of —CH 2 —, —CH═, —O—, —COO—, —OOC—, —NHCO—, and —CONH—; and component B 1 is a functional group selected from a group consisting of hydrogen, halogen, cyano, nitro, amino, alkyl (C 1 –C 100 ), haloalkyl, cyanoalkyl, nitroalkyl, hydroxyalkyl, cyanohaloalkyl, nitrohaloalkyl, cyanonitroalkyl, hydroxyhaloalkyl, cyanohydroxyalkyl, hydroxynitroalkyl, aryl (C 6 –C 100 ), alkylaryl, haloaryl, haloalkylaryl, nitroaryl, nitroalkylaryl, cyanoaryl, cyanoalkylaryl, nitroaryl, nitroalkylaryl, hydroxyaryl, hydroxyalkylaryl, cyanohaloaryl, and cyanohaloalkylaryl.