6results about How to "Low rotational viscosity" patented technology

The invention provides a liquid crystal compound containing a polyfluoro substituent group, a composition and application of the liquid crystal compound. The liquid crystal compound disclosed by the invention has a structure as shown in a formula I, and has relatively high negative dielectric anisotropy, good liquid crystal intersolubility and relatively low rotary viscosity. Formula I

This invention provides a liquid crystal composition, a liquid crystal display device comprising the same, and applications thereof. The liquid crystal composition of this invention comprises at least one compound of general formula I, at least one compound of general formula F, at least one compound of general formula M, and at least one compound of general formula N. In the liquid crystal composition of this invention, through the specific structure and content of the compounds, it maintains appropriate dielectric anisotropy, good optical anisotropy, and good clearing point, while possessing a large elastic constant and high transmittance; thus, the liquid crystal display device comprising the same has a fast response speed and a high contrast ratio; the liquid crystal composition of this invention is suitable for application in fast-response display modes such as VA, PSVA, IPS, and NFFS.

The invention relates to the technical field of liquid crystal display, in particular to a liquid crystal composition containing high-reliability thiophene monomers and application of the liquid crystal composition, the liquid crystal composition comprises a deuterated thiophene compound, has low rotary viscosity and large elastic constant, has excellent reliability, and can be applied to liquid crystal display. The response speed of the liquid crystal display can be obviously improved, and the occurrence probability of the afterimage problem in a panel can be effectively reduced.

This invention provides a liquid crystal composition comprising 40%–70% component I, 0%–20% component II, 0%–20% component III, 5%–40% component IV, and 0%–30% component V. This liquid crystal composition exhibits a high clearing point and low rotational viscosity, which is beneficial for increasing the operating temperature range of the liquid crystal material and improving its response speed.

The invention provides a liquid crystal compound and application thereof. The liquid crystal compound has a structure as shown in a formula I. The liquid crystal compound disclosed by the invention has the excellent characteristics of high dielectric anisotropy, good liquid crystal intersolubility, relatively low rotary viscosity and the like, and can be used for improving the performance of a liquid crystal material. Formula I.

The invention relates to a novel liquid crystal material and application thereof, the liquid crystal material takes a structure combining a hetero-five-membered aromatic ring and a benzene ring as a molecular core skeleton, different types of heteroatoms are introduced into the hetero-five-membered aromatic ring, and adjustable substituents are arranged at the benzene ring and the molecular terminal, so that the novel liquid crystal material is obtained. Cooperative regulation and control of molecular rigidity and flexibility, polarization capability and intermolecular interaction are realized. Through the structural design, the liquid crystal material disclosed by the invention effectively reduces the rotary viscosity of molecules and improves the electro-optical response speed while maintaining good dielectric properties and optical modulation capability, and is beneficial to reducing the driving voltage of a device, so that the comprehensive optimization of the performance of the liquid crystal material is realized. The liquid crystal material is suitable for being used as a liquid crystal working medium or a liquid crystal formula component in a liquid crystal display device, and is especially suitable for liquid crystal display application scenes with relatively high requirements on low power consumption and quick response.