Patent ID: 7404992

Claim:
A liquid crystal composition having a negative dielectric anisotropy and comprising at least one compound represented by formula (1) as a first component, at least one compound represented by formula (2) as a second component, at least one compound represented by formula (4) as a third component, at least one compound represented by formula (5) as a fourth component, and at least one compound represented by formula (6) as a fifth component: wherein R 1 is alkyl or alkenyl; R 2 is alkyl; R 3 is alkyl or alkoxy; R 4 is alkyl or alkoxymethyl; A 1 and A 2 are independently 1,4-cyclohexylene or 1,4-phenylene; A 3 is 1,4-cyclohexylene, 1,4-phenylene or 2-fluoro-1,4-phenylene; Z 1 is —CH 2 O— or —COO—; and Z 2 is a single bond or —COO—.