| abstract |
To provide a bistable liquid crystal display element that can be driven at a low voltage and a bistable liquid crystal display element using the liquid crystal composition. SOLUTION: General formula (I), general formula (II) and general formula (III) (In the formula, R 1 to R 4 : C 1-10 alkyl group or alkoxyl group, C 2-10 alkenyl group or alkenyloxy group, A, B, D, E, G: 1,4-phenylene group, naphthalene-2,6-diyl group, phenanthrene-2,7-diyl group, trans-1,4- Cyclohexylene group, 1,2,3,4-tetrahydronaphthalene -2,6-diyl group, decahydronaphthalene-2,6-diyl group, Trans-1,3-dioxane-2,5-diyl group, pyridine-2,5 -Diyl group, etc., Z 1 to Z 4 : single bond, -COO-, -OCO-, -C≡C- Etc., m, n: 0, 1, 2, p: 0, 1, X 1 to X 4 : H, F, Y 1 : -C N, —CF 3 , —F and the like are represented, and at least one of R 4 , Z 3 and Z 4 is an optically active group. The liquid crystal composition containing the optically active compound represented by this is used. |