Patent ID: 7160586

Claim:
A cholesteric liquid crystal composition comprising: a) a cholesteric liquid crystal compound or a cholesteric liquid crystal precursor; and b) a compound of formula (I) or formula (II): wherein, n is 1 or 2; R is an acrylate; R 1 is a (C 3 –C 6 ) alkylene; R 2 is —O—; R 3 is phenylene; R 4 is —C(O)O— or —O(O)C; R 5 is a bond or phenylene; R 6 is cyano or F; R 7 is a (C 1 –C 2 ) alkylene; and R 8 is F, CF 3 , methoxy or butoxy; and wherein the cholesteric liquid crystal composition comprises a chiral molecular unit and an achiral molecular unit and the achiral molecular unit is a compound of formula (C2):