NEMATIC LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT USING SAME

摘要

The present invention relates to a nematic liquid crystal composition with negative dielectric anisotropy (Δ∈) useful as a liquid crystal display material, and to a liquid crystal display device using the composition.;The liquid crystal composition of the present invention provides a liquid crystal composition that has sufficiently low viscosity (η), sufficiently low rotational viscosity (γ1), high elastic modulus (K33), and negative dielectric anisotropy (Δ∈) with a large absolute value without decreasing the refractive index anisotropy (Δn) and nematic phase-isotropic liquid phase transition temperature (Tni). A liquid crystal display device of VA-mode or the like that uses this composition is also provided, which has less or no display failures.;The liquid crystal display device that uses the liquid crystal composition of the present invention is useful as an active-matrix-driving liquid crystal display device and can be used as a liquid crystal display device of VA-mode PSVA-mode, or the like.

主权项

1. A liquid crystal composition comprising:a compound represented by formula (I-1) as a first componenta compound represented by formula (I-2) as a second componentand a compound having negative dielectric anisotropy (Δ∈) whose absolute value is greater than 3 as a third component.