Abstract: The present invention belongs to the technical field of liquid crystal materials, and in particular relates to a liquid crystal composition with good frequency dependence and a liquid crystal display element or liquid crystal display containing the liquid crystal composition. The liquid crystal composition of the present invention comprises a compound represented by Formula I, a compound represented by Formula II and a compound represented by Formula III, wherein the mass percentage content of the compound represented by Formula I is not less than 30%. The liquid crystal composition provided by the present invention has an appropriate optical anisotropy, an appropriate dielectric anisotropy, especially a relatively low rotational viscosity, a good low-temperature mutual solubility and a good reliability, especially good frequency dependence.

Abstract: The present invention belongs to the technical field of liquid crystal materials, and in particular relates to a liquid crystal composition with good frequency dependence and a liquid crystal display element or liquid crystal display containing the liquid crystal composition. The liquid crystal composition of the present invention comprises a compound represented by Formula I, a compound represented by Formula II and a compound represented by Formula III, wherein the mass percentage content of the compound represented by Formula I is not less than 30%. The liquid crystal composition provided by the present invention has an appropriate optical anisotropy, an appropriate dielectric anisotropy, especially a relatively low rotational viscosity, a good low-temperature mutual solubility and a good reliability, especially good frequency dependence.

Abstract: A liquid crystal composition, a liquid crystal display element and a liquid crystal display comprising the liquid crystal composition belong to the field of liquid crystal display. The liquid crystal composition comprises a compound represented by formula I with a mass content of 1-10% as the first component, a compound represented by formula II with a mass content of 1-20% as the second component, more than two compounds represented by formula III as the third component, more than three compounds represented by formula IV as the fourth component, and one or more polymerizable compounds as the fifth component, the crystal composition has low rotational viscosity and low ?1/K33 on the basis of maintaining appropriate optical anisotropy. When applied to liquid crystal display elements or liquid crystal displays, the liquid crystal display has a fast response speed.

Abstract: A liquid crystal composition, a liquid crystal display element and a liquid crystal display comprising the liquid crystal composition belong to the field of liquid crystal display. The liquid crystal composition of the present disclosure comprises a compound represented by formula I, a compound represented by formula II, one or more compounds represented by formula III, one or more compounds represented by formula IV and more than three compounds represented by formula V. The liquid crystal composition has low rotational viscosity ?1 and high stability to heat and light on the basis of maintaining appropriate optical anisotropy ?n, which can realize fast response of liquid crystal display.

Abstract: The present invention discloses a compound of which a structural formula thereof is represented as the following formula: The compound disclosed by the present invention can be used as a liquid crystal compound and overcomes the problem that solubility of the traditional dibenzothiophene-class liquid crystals is poor, and thus can be better applied to the liquid crystal material field. The present invention further discloses a liquid crystal medium containing the compound and an application thereof.

Abstract: A liquid crystal composition, a liquid crystal display element and a liquid crystal display comprising the liquid crystal composition belong to the field of liquid crystal display. The liquid crystal composition of the present disclosure comprises a compound represented by formula I, a compound represented by formula II, one or more compounds represented by formula III, one or more compounds represented by formula IV and more than three compounds represented by formula V. The liquid crystal composition has low rotational viscosity ?1 and high stability to heat and light on the basis of maintaining appropriate optical anisotropy ?n, which can realize fast response of liquid crystal display.

Abstract: A liquid crystal composition, a liquid crystal display element and a liquid crystal display comprising the liquid crystal composition belong to the field of liquid crystal display. The liquid crystal composition comprises a compound represented by formula I with a mass content of 1-10% as the first component, a compound represented by formula II with a mass content of 1-20% as the second component, more than two compounds represented by formula III as the third component, more than three compounds represented by formula IV as the fourth component, and one or more polymerizable compounds as the fifth component, the crystal composition has low rotational viscosity and low ?1/K33 on the basis of maintaining appropriate optical anisotropy. When applied to liquid crystal display elements or liquid crystal displays, the liquid crystal display has a fast response speed.

Abstract: Provided are a polymerizable composition of a polymerizable compound represented by formula I and a polymerizable compound represented by formula II, a liquid crystal composition formed by combining this polymerizable composition with a specific liquid crystal component, particularly a PSVA liquid crystal composition suitable for display or TV applications, and a PSA-IPS liquid crystal composition for an IPS mode; in particular, the polymerizable liquid crystal composition has a good solubility, and an adjustable rate of polymerization and morphology after polymerization; furthermore, a “material system” formed from the selected polymerizable component and liquid crystal component has a low rotary viscosity and good photoelectric properties, and has a high VHR after (UV) photoradiation, this avoiding the problems of the occurrence of afterimages in final displays, etc.

Abstract: The present invention relates to a negative dielectric anisotropic liquid crystal composition, a liquid crystal display element, and a liquid crystal display. The negative dielectric anisotropic liquid crystal composition of the present invention comprises a first component composed of one or more compounds represented by formula I and a second component composed of one or more polymerizable compounds: The negative dielectric anisotropic liquid crystal composition disclosed by the present invention has a low rotary viscosity, a fast response speed and a good stability, and is very suitable for manufacturing liquid crystal display elements, particularly suitable for PS (polymer-stabilized) or PSA (polymer-stabilized alignment)-type liquid crystal displays.

Abstract: The present invention relates to a negative dielectric anisotropic liquid crystal composition, a liquid crystal display element, and a liquid crystal display. The negative dielectric anisotropic liquid crystal composition of the present invention comprises a first component composed of one or more compounds represented by formula I and a second component composed of one or more polymerizable compounds: The negative dielectric anisotropic liquid crystal composition disclosed by the present invention has a low rotary viscosity, a fast response speed and a good stability, and is very suitable for manufacturing liquid crystal display elements, particularly suitable for PS (polymer-stabilized) or PSA (polymer-stabilized alignment)-type liquid crystal displays.

Abstract: The present invention discloses a compound of which a structural formula thereof is represented as the following formula The compound disclosed by the present invention can be used as a liquid crystal compound and overcomes the problem that solubility of the traditional dibenzothiophene-class liquid crystals is poor, and thus can be better applied to the liquid crystal material field. The present invention further discloses a liquid crystal medium containing the compound and an application thereof.

Abstract: Provided are a polymerizable composition of a polymerizable compound represented by formula I and a polymerizable compound represented by formula II, a liquid crystal composition formed by combining this polymerizable composition with a specific liquid crystal component, particularly a PSVA liquid crystal composition suitable for display or TV applications, and a PSA-IPS liquid crystal composition for an IPS mode; in particular, the polymerizable liquid crystal composition has a good solubility, and an adjustable rate of polymerization and morphology after polymerization; furthermore, a “material system” formed from the selected polymerizable component and liquid crystal component has a low rotary viscosity and good photoelectric properties, and has a high VHR after (UV) photoradiation, this avoiding the problems of the occurrence of afterimages in final displays, etc.

Abstract: Disclosed are liquid crystal compounds of cycloalkyl-containing dibenzofuran derivatives, a preparation method therefor and use thereof. The compounds are as represented by formula I. In the molecular structures of the compounds of formula I provided by the present invention, liquid crystal compounds of cycloalkyl terminal group-containing dibenzofuran derivatives, compared with those having flexible alkyl chains as terminal groups, exhibit better intersolubility, and thus the use of a compound as represented by formula I provided by the present invention can improve the intersolubility of a liquid crystal compound and extend the application range of a liquid crystal mixture, producing an important application value.

Abstract: Disclosed is a liquid crystal medium containing a 2,4-diflurophenyl compound and the use thereof. The liquid crystal composition comprises the compounds as represented by formula I and formula II. The liquid crystal composition has a low rotary viscosity, good chemical and thermal stability and a fast response speed, it is suitable for a liquid crystal display device and particularly suitable for the use in an active matrix display of a TN, IPS or FFS mode.

Abstract: Disclosed are liquid crystal compounds of cycloalkyl-containing dibenzofuran derivatives, a preparation method therefor and use thereof. The compounds are as represented by formula I. In the molecular structures of the compounds of formula I provided by the present invention, liquid crystal compounds of cycloalkyl terminal group-containing dibenzofuran derivatives, compared with those having flexible alkyl chains as terminal groups, exhibit better intersolubility, and thus the use of a compound as represented by formula I provided by the present invention can improve the intersolubility of a liquid crystal compound and extend the application range of a liquid crystal mixture, producing an important application value.

Abstract: Disclosed is a liquid crystal medium containing a 2,4-diflurophenyl compound and the use thereof. The liquid crystal composition comprises the compounds as represented by formula I and formula II. The liquid crystal composition has a low rotary viscosity, good chemical and thermal stability and a fast response speed, it is suitable for a liquid crystal display device and particularly suitable for the use in an active matrix display of a TN, IPS or FFS mode.