Liquid crystal compound, liquid crystal composition containing the liquid crystal compound, and photoelectric element

Abstract

The invention discloses a liquid crystal compound, a liquid crystal composition containing the liquid crystal compound and a photoelectric element. The liquid crystal compound is prepared from components in percentage by weight: 6% to 21% of first component (liquid crystal compound) and 79% to 94% of second component; the weight percentage sum of all the components is 100%. The liquid crystal compound provided by the invention has good intermiscibility, broadens a temperature region in low-temperature application and reduces the viscosity; the liquid crystal composition containing the liquid crystal compound reduces Tcn, a low-temperature storage temperature and a low-temperature working temperature of the liquid crystal compound, has a lower viscosity, is beneficial for improving a liquidcrystal display effect and shortening response time, is related to proper optical anisotropy, higher dielectric anisotropy, a lower threshold voltage, a higher VHR (Voltage Holding Ratio), excellentreliability and thermal stability, and is applied to positive TN-TFT (Twisted Nematic Thin Film Transistor), IPS (In-Plane Switching), FFS (Fringing Field Switching), PSA (Polymer-Stabilized) mode liquid crystals.

Description

technical field [0001] The invention belongs to the technical field of liquid crystal materials, and in particular relates to a liquid crystal compound, a liquid crystal composition containing the liquid crystal compound and a photoelectric element. Background technique [0002] Flat panel display technology is developing rapidly, and liquid crystal display has become the mainstream of the display market due to its advantages of high definition, good image color, environmental protection, no radiation, light and thin, and portability. The liquid crystal display uses the optical anisotropy and dielectric anisotropy properties of the liquid crystal material to realize the display function, so the liquid crystal material is the core component of the liquid crystal display device. As is well known in the art, a single liquid crystal compound cannot satisfy all requirements, so the liquid crystal material used for flat panel display is usually composed of 5 to 20 liquid crystal c...

AI Technical Summary

Problems solved by technology

[0003] Aiming at the defects and deficiencies in the prior art, the present invention provides a liquid crystal compound, a liquid crystal composition containing the liquid crystal compound and a photoelectric element, which overcome the poor compatibility of the liquid crystal compound in the existing liquid crystal material and the poor low temperature reliability of the liquid crystal composition , Defects of poor low-temperature performance of photoelectric elements comprising liquid crystal compositions

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