Patent ID: 8366964

Claim:
A liquid crystal composition having a nematic phase and comprising two components, wherein a first component is at least one compound selected from the group of compounds represented by formula (1), and a second component is at least one compound selected from the group of compounds represented by formula (2): wherein R 1 and R 2 are each independently alkyl having 1 to 12 carbons, alkoxy having 1 to 12 carbons or alkenyl having 2 to 12 carbons; the ring A is 1,4-cyclohexylene, 1,4-phenylene or tetrahydropyran-2,5-diyl; X 1 , X 2 , X 3 , X 4 and X 5 are each independently hydrogen or fluorine; and Y 1 is fluorine, chlorine or trifluoromethoxy.