Patent ID: 7988882

Claim:
A polymerizable liquid crystal compound represented by the following formula (1): P-Sp 1 -L 1 -M 1 -L 2 -Sp 2 -Ox (1) wherein P represents a polymerizable group which is a (meth)acryloyloxy group or a (meth)acryloyl group; one of Sp 1 and Sp 2 represents an alkylene group containing —O— or —C≡C— in the chain thereof, wherein the alkylene group containing —O— or —C≡C— in the chain thereof is represented by —(CH 2 ) n1 —X—(CH 2 ) n2 — wherein each of n1 and n2 independently represents an integer of from 1 to 4; and —X—represents —O— or C≡C; the other of Sp 1 and Sp 2 represents a straight chain alkylene group; each of L 1 and L 2 independently represents a divalent linking group; M 1 represents a mesogenic group having at least one divalent group selected from the group consisting of the following formulae (2-1) to (2-12); and Ox represents a group represented by the following formula (3): wherein R 2 represents a hydrogen atom, a methyl group or an ethyl group; X 1 represents —O—, —S—, —OCO— or —COO—; X 2 represents a single bond or an alkylene group having from 1 to 4 carbon atoms; and * is a bonding site to Sp 2 .