Liquid crystal composition and liquid crystal display element

摘要

A liquid crystal composition including a compound of formula (1), a compound of formula (2), a compound of formula (3), and a compound of formula (4): wherein R¹ and R² are independently an alkyl group; R³ is an alkyl or alkenyl group; Y¹ is fluorine or -OCF₃; Y² is an alkyl group, an alkoxy group, fluorine, chlorine, or -OCF₃; X¹ is hydrogen or fluorine; A¹ is 1,4-cyclohexylene or 1,4-phenylene; A² is 1,4-cyclohexylene, 1,4-phenylene or 2,6-difluoro-1,4-phenylene; Z¹ is a single bond or -(CH₂)₂-; Z² is a single bond, -(CH₂)₂-, -COO-, or -CF₂O-; and Z³ is a single bond or -COO-.