| abstract |
(57) [Summary] [Structure] [Chemical Formula 1] (R is an alkyl group having 1 to 10 carbon atoms, X is F or CN, Y is H, F or Cl), a liquid crystal composition containing the same and a liquid crystal using the liquid crystal composition. Display element. [Effect] This compound has a high NI point and a large Δε. Therefore, when a liquid crystal composition containing this compound is used in a TN type or STN type liquid crystal display element, a liquid crystal display element having a wide operating temperature range and a low driving voltage can be obtained. |