| abstract |
(57) [Summary]nThe present invention has an appropriate threshold voltage, high reliability and A liquid crystal composition having a large value of refractive index anisotropy Δn; Provided is a liquid crystal display device using the composition.nA first component comprising a compound of the general formula (1) And selected from the group consisting of general formulas (2-1) to (2-2) Contains a second component consisting of at least one compound To form a liquid crystal composition, and a liquid crystal display element is formed using the composition. Constitute.n (Where R 1 Represents an alkyl group having 1 to 10 carbon atoms; Two , R Three Is independently an alkyl group having 1 to 10 carbon atoms, An alkoxy group and an alkoxymethyl group having 2 to 10 carbon atoms Or an alkenyl group; 1 , Z Two Are independently -C Two H Four -Or a single bond, X 1 And X 2 Each Independently F, Cl, CF Three , OCF Three , OCF Two H, carbon An alkyl group having 1 to 10 carbon atoms, an alkoxy group, and 2 to 1 carbon atoms 0 represents an alkoxymethyl group or an alkenyl group, Y 1 , Y Two , Y Three , Y Four , Y Five , Y 6 , Y 7 , Y 8 , Y 9 and Y Ten Each independently represents H or F. |