Patent ID: 8642142

Claim:
The liquid crystal composition contains 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, alkenyl having 2 to 12 carbons, or alkenyl having 2 to 12 carbons in which arbitrary hydrogen is replaced by fluorine; X 1 is fluorine; X 2 , X 3 , X 4 and X 5 are independently hydrogen or fluorine; Y 1 is fluorine or chlorine; Y 2 is fluorine, chlorine or trifluoromethoxy.