Patent ID: 8481129

Claim:
A liquid crystal compound of Formula (I): wherein A is benzene, naphthalene, pyridine, furan, thiophene or a single bond; D is benzene, naphthalene, pyridine, furan, thiophene or a single bond; R 1 and R 2 are C1-10 alkyl, C1-10 alkoxy, fluoro or trifluoro methyl; E is benzene, naphthalene, pyridine, furan, thiophene or a single bond; W is —CO—O—, —O—CO—, —O—, —CH 2 —CH 2 —, —CH 2 —O— or a single bond; Z is benzene, naphthalene, pyridine, furan, thiophene or a single bond; Y is hydrogen, methyl, ethyl or propyl; m is 0, 1 or 2; p is 0, 1 or 2; r is 0, 1 or 2; q is 0, 1 or 2; and n is 0, 1, 2 or 3.