Liquid crystal composition, Liquid crystal display element and liquid crystal display

Abstract

The invention discloses a liquid crystal composition. The composition comprises one or more compounds as shown in a formula I, one or more compounds as shown in a formula II, one or more compounds asshown in a formula III and one or more compounds as shown in a formula IV. The liquid crystal composition has high dielectric anisotropy and relatively low viscosity, and can obtain a relatively widerefractive index and a high clearing point (a wide use temperature range), so that a display device has a quick response effect or has an energy-saving and power-saving effect.

Description

technical field [0001] The invention relates to the technical field of liquid crystal materials. More specifically, it relates to a liquid crystal composition, a liquid crystal display element, and a liquid crystal display. Background technique [0002] In the development process of LCD, the liquid crystal used in LCD is developing toward the direction of faster response speed and better reliability, and the high-speed response characteristic of liquid crystal mixture comes from the corresponding physical parameters of its components, such as rotational viscosity γ1, elastic constant ( K), etc., high Δn helps to reduce the thickness of the liquid crystal cell, thereby improving the response speed, and at the same time, the high clearing point is also helpful for the combination and matching of mixed crystals. It can be seen from this that an ideal liquid crystal monomer should have the characteristics of low γ1, appropriate refractive index, and high-definition bright spots...

AI Technical Summary

Problems solved by technology

When achieving high-speed response, it is often difficult to achieve a high penetration rate, because while increasing the penetration rate, it will cause an increase in rotational viscosity, thereby reducing the response speed

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