Patent ID: 8243248

Claim:
A polymerizable liquid crystal composition comprising a compound represented by Formula 1 and a compound represented by Formula 2: wherein G 1 represents V represents —H, —CH 3 , —CH 2 CH 3 , —F, —Cl, —Br, or —CF 3 , R 1 represents —H, or C 1 ˜C 3 alkyl; X 1 represents —O—, —NH—, C 1 ˜C 12 alkylene, or a single bond; A 1 represents C 1 ˜C 12 alkylene, C 2 ˜C 12 alkenylene, —(CH 2 CH 2 O) n —, —(CH 2 CHCH 3 O) n —, —(CHCH 3 CH 2 O) n —, or a single bond, n represents an integer of 1 to 5; K 1 represents —O—, —NH—, C 1 ˜C 12 alkylene, or a single bond; each of Y 1 and Y 2 independently represents —O—, —NH—, C 1 ˜C 3 alkylene, —CH═CH—, —C≡C—, —C(═O)O—, —OC(═O)—, —C(═O)—, or a single bond; Z represents C 1 ˜C 5 alkyl, or C 2 ˜C 5 alkenyl; ring A represents ring B represents each of a and b independently represents an integer of 0 to 2; and each of Q 1 to Q 8 independently represents —H, —F, —Cl, —Br, —I, —CN, —OH, —CH 3 , —CH 2 CH 3 , —CF 3 , or —C(═O)CH 3 ; and wherein each of G 2 and G 3 independently represents V represents —H, —CH 3 , —CH 2 CH 3 , —F, —Cl, —Br, or —CF 3 ; R 1 represents —H, or C 1 ˜C 3 alkyl; each of X 2 and X 3 independently represents —O—, —NH—, C 1 ˜C 12 alkylene, or a single bond; each of A 2 and A 3 independently represents C 1 ˜C 1-2 alkylene, C 2 ˜C 1-2 alkenylene, —(CH 2 CH 2 O) n —, —(CH 2 CHCH 3 O) n —, —(CHCH 3 CH 2 O) n —, or a single bond, n represents an integer of 1 to 5; each of K 2 and K 3 independently represents —O—, —NH—, C 1 ˜C 12 alkylene, or a single bond; Y 3 represents —O—, —NH—, C 1 ˜C 3 alkylene, —CH═CH—, —C≡C—, —C(═O)O—, —OC(═O)—, —C(═O)—, or a single bond; ring C represents ring D represents and each of Q 1 to Q 8 independently represents —H, —F, —Cl, —Br, —I, —CN, —OH, —CH 3 , —CH 2 CH 3 , —CF 3 , or —C(═O)CH 3 .