Liquid crystalline compound having fast response time and high isotropic temperature liquid crystalline composition comprising the same and liquid crystalline display comprising the same

摘要

The present invention provides a liquid crystal compound represented by the following Chemical Formula 1 or 2, a liquid crystal composition comprising the liquid crystal compound, and a liquid crystal display employing the liquid crystal composition:;Formula 1;Formula 2;In Formulas 1 and 2, A, B, C, y, R ₁ , R ₂ , D, E, R ₃ , R ₄ , X ₁ and X ₂ are the same as defined in the specification. By the liquid crystal composition comprising the liquid crystal compound of the present invention, high T _NI and fast response speed can be provided.