Patent ID: 8349414

Claim:
A liquid crystal composition that has a nematic phase and includes at least one compound selected from the group of compounds represented by formula (1) as a first component and at least one compound selected from the group of compounds represented by formula (2) as a second component: wherein R 1 and R 2 are independently alkyl having 1 to 12 carbons, alkoxy having 1 to 12 carbons or alkenyl having 2 to 12 carbons; the ring A and the ring B are independently 1,4-cyclohexylene or 1,4-phenylene; the ring C and the ring D are independently 1,4-cyclohexylene, 1,4-phenylene, 3-fluoro-1,4-phenylene or 3,5-difluoro-1,4-phenylene; X 1 and X 2 are independently hydrogen or fluorine; and Y 1 is fluorine, chlorine or trifluoromethoxy.