| abstract |
A retardation plate comprising at least one optically anisotropic layer, wherein at least one of the optically anisotropic layers is formed from a composition containing a liquid crystalline compound represented by the following general formula (DI):n n n (DI)n n n n n n n n [In the meal,n n n Y 11 , Y 12 and Y 13 are methine or N; L 1 , L 2 and L 3 are a single bond or a divalent group; H 1 , H 2 and H 3 are of the formula (DI-A) or (DI-B);n n n (DI-A)n n n n n n n n (DI-B)n n n n n n n n (In the meal,n n n YA 1 , YA 2 , YB 1 and YB 2 are methine or N; XA and XB are O, S, etc.);n n n R 1 , R 2 and R 3 are-(-L 21 -Q 2 ) n 1 -L 22 -L 23 -Q 1 :n n n (In the meal,n n n L 21 is a single bond or a divalent group; Q 2 is a cyclic divalent group; n1 is 0-4; L 22 is -O-, -O-CO- and the like; L 23 is -O-, -S- and the like; Q 1 is a polymerizable group or H). |