Liquid crystal display composition

Abstract

The invention discloses a liquid crystal display composition. The composition comprises the following components by mass percent: 13-62 percent of at least one of liquid crystal compounds of first component shown by Formulas 1-1, 1-2 and 1-3, 5-60 percent of at least one of liquid crystal compounds of second component shown by Formulas 2-1 and 2-2, 7-38 percent of at least one of liquid crystal compounds of third component shown by Formulas 3-1, 3-2 and 3-3 and 0-10 percent of liquid crystal compound of forth component shown by Formula 4. The liquid crystal composition in the invention has the characteristics of wide nematic phase range, appropriate optical anisotropy values, low threshold voltage, low rotary viscosity and the like, is applied to liquid crystal displays of various applications, especially liquid crystal display elements driven by active-matrix thin film transistors with positive dielectric anisotropy.

Description

technical field [0001] The invention belongs to the technical field of liquid crystal materials, and in particular relates to a liquid crystal composition used for an active matrix driven liquid crystal display element. Background technique [0002] For more than 100 years, scientists have synthesized tens of thousands of liquid crystal compounds by combining various ring structures, flexible groups, polar groups and linking groups, and screened out the compounds that meet the requirements through practical tests. Liquid crystal composition required for liquid crystal display. Liquid crystal displays work by utilizing the optical anisotropy and dielectric anisotropy of the liquid crystal composition itself. Utilizing the different characteristics of the liquid crystal composition, the device can be designed into a variety of different working modes, among which the conventional displays generally use TN mode, STN mode, SBE mode, ECB mode, VA mode, IPS mode, etc., and accord...

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Problems solved by technology

Therefore, between two addressing periods, the voltage on the pixel point is not expected to chang

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