Negative liquid crystal composition with large refractive index and application thereof

Abstract

The invention relates to a negative liquid crystal composition with a large refractive index and application thereof, belonging to the technical field of liquid crystal materials. The negative liquid crystal composition with the large refractive index comprises, in percentage by weight, 42%-55% of a compound component A, 35%-45% of a compound component B, 10%-18% of a compound component C and 0%-5% of a compound component D. The liquid crystal composition has large negative dielectric anisotropy, large optical anisotropy, a wide nematic phase temperature range and excellent performance, and is very suitable for being applied to various negative display modes including VA, IPS, FFS and the like. By selecting the four liquid crystal compounds and a ratio thereof, the dielectric constant, liquid crystal birefringence and other parameters of the liquid crystal composition reach required values, so a liquid crystal display product adopting the liquid crystal composition has shorter response time and higher penetration rate.

Description

technical field [0001] The invention relates to a negative large refractive index liquid crystal composition and its application. The liquid crystal composition is suitable for various negative display modes, including VA, IPS, FFS and other display modes, and belongs to the technical field of liquid crystal materials. Background technique [0002] Liquid crystal displays first appeared as electronic computers and digital clock displays in the 1970s. With the development and progress of technology, liquid crystal displays are now widely used in daily life. [0003] Negative liquid crystal was first proposed in the late 1980s. It is mainly used in VA mode. The VA display mode has excellent contrast performance, but there is an obvious problem of response time. How to obtain a faster response time under the same driving voltage is the goal that everyone hopes to achieve. At the same time, with the improvement of people's living standards, high-quality display has become parti...

AI Technical Summary

Problems solved by technology

8K display has a lower pixel aperture ratio due to higher resolution, so the light penetration rate will decrease. When the product wants to achieve the same brightness as 4K products, a higher backlight brightness is required, which will increase the power consumption of the backlight , in order to increase the transmittance, it is necessary to improve the performance of the liquid crystal material

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