Patent ID: 9715144
Date: 2017-07-25
CPC Classifications: C09K,G02F,Y10T

Claim:
1. A photoalignment composition comprising a) 0.001 to 20%, by weight, of at least one photoreactive compound (I) that comprises a photoalignment group, which is of formula: whereby the aromatic rings are unsubstituted or substituted and wherein the compound residue (Ia) represents a straight-chain or branched C F is fluorine, and x is an integer from 0, 1, 2, 3, 4, 5, 6, 7, 8 or 9; B represents a straight-chain or branched C R and b) 80 to 99.999% by weight, of at least one compound (II) that does not comprise a photoalignment group, wherein the at least one compound (II) is polyamic acid and/or polyimide, and c) optionally at least one reactive or non reactive additives, and d) optionally at least one solvent.