Sptical compensatory sheet and method for preparing optically anisotropic layer

An optical compensatory sheet comprising a transparent support and an optically anisotropic layer thereon formed of a triphenylene liquid crystal compound and at least one compound represented by Formula (III);

• (R—)sAr(—Y)r Formula (III)
• where Ar denotes an aromatic heterocyclic group or aromatic carbocyclic group;
• R denotes a substituent group;
• Y denotes sulfo or carboxyl;
• s is an integer from 0 to 5 and r is an integer from 1 to 4;
• and plural R and Y may be respectively identical or different each other when s and r are not smaller than 2 respectively.

An optical compensatory sheet comprising a transparent support and an optically anisotropic layer thereon formed of a discotic liquid crystal compound and at least one compound represented by Formula (IVb);

• wherein X7, X8 and X9 independently denote —NH—, —NHCO—, —NHSO2—, —O— or —S—;
• L1, L2, L3, L4, L5 and L6 independently denote a group having a structure represented by Formula (IVc) or (IVd);
• where in Formulae (IVc) and (IVd), R′ and P.8 independently a substituted or non-substituted alkyl group;
• and n is an integer from 1 to 12;
• wherein the liquid crystal compound is fixed in hybrid alignment.

An optical compensatory sheet comprising a transparent support and an optically anisotropic layer thereon formed of a discotic liquid crystal compound, at least one compound represented by Formula (XIIIa) and at least one compound represented by Formula (XXII);

• wherein R4, R5 and R6 independently denote a hydrogen atom or substituent group;
• X4, X5 and X6 independently denote a divalent linking group selected from the group consisting of —CO—, —NRa— (Ra denotes a C01-5 alkyl group or hydrogen atom), —O—, —S—, —SO—, —SO2— and combinations thereof;
• and m1, m2 and m3 denote independently integers from 1 to 5;
• and plural R4, R5 and R6 may be respectively identical or different each other when m1, m2 and in are respectively not smaller than 2;
• Ar3(-L7-Y2)m4 Formula (XXII)
• where Ar3 denotes an aromatic carbocyclic group or aromatic heterocyclic group;
• Y2 denotes a sulfo or a carboxyl;
• L7 denotes a single bond or divalent linking group;
• and m4 is an integer from 1 to 10;
• wherein the liquid crystal compound is fixed in hybrid alignment.