An object of the present invention is a liquid crystal composition which has excellent alignment properties, improves a surface state of an optically anisotropic layer to be formed, and improves adhesiveness with a polarizer, an optical film using the same, a polarizing plate, and an image display device. The liquid crystal composition according to the present invention is a liquid crystal composition containing a copolymer having a repeating unit represented by Formula (I) and a repeating unit represented by Formula (II), and a liquid crystal compound.

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Disclosed are a polymer-stabilized liquid crystal composition and the use thereof. The composition comprises one or two polymerizable compounds represented by general formula I: (I), and further comprises a negative dielectric anisotropy liquid crystal composition, wherein the negative dielectric anisotropy liquid crystal composition has a dielectric anisotropy of ????1.5; and the added amount of the polymerizable compound(s) represented by general formula I is 0.1-0.5% of the total mass of the negative dielectric anisotropy liquid crystal composition. A polymer film formed after the polymerization of the provided liquid crystal composition containing the polymerizable compound(s) has a very good uniformity, such that the problem of liquid crystal displays having poor display can be improved. Moreover, an alignment film formed after the polymerization of the polymerizable liquid crystal composition has an excellent alignment force, and can improve residual image problems caused by an insufficient alignment force in a PSVA liquid crystal display. The provided liquid crystal composition containing the polymerizable compound(s) can realize an adjustable response speed, and can in turn meet the requirements of different technical process conditions. ##STR00001##

Disclosed are a polymer-stabilized liquid crystal composition and the use thereof. The composition comprises one or two polymerizable compounds represented by general formula I: (I), and further comprises a negative dielectric anisotropy liquid crystal composition, wherein the negative dielectric anisotropy liquid crystal composition has a dielectric anisotropy of ????1.5; and the added amount of the polymerizable compound(s) represented by general formula I is 0.1-0.5% of the total mass of the negative dielectric anisotropy liquid crystal composition. A polymer film formed after the polymerization of the provided liquid crystal composition containing the polymerizable compound(s) has a very good uniformity, such that the problem of liquid crystal displays having poor display can be improved. Moreover, an alignment film formed after the polymerization of the polymerizable liquid crystal composition has an excellent alignment force, and can improve residual image problems caused by an insufficient alignment force in a PSVA liquid crystal display. The provided liquid crystal composition containing the polymerizable compound(s) can realize an adjustable response speed, and can in turn meet the requirements of different technical process conditions. ##STR00001##

The liquid crystal composition contains one or two or more compounds represented by general formula (I): and one or two or more compounds represented by general formula (J). The liquid crystal composition is highly practical as a liquid crystal composition for liquid crystal displays and is effective in achieving high contrast, faster response, and high quality reliability.

##STR00001##

The liquid crystal composition contains one or two or more compounds represented by general formula (I): and one or two or more compounds represented by general formula (J). The liquid crystal composition is highly practical as a liquid crystal composition for liquid crystal displays and is effective in achieving high contrast, faster response, and high quality reliability.

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Shown are a liquid crystal composition satisfying at least one of characteristics such as high maximum temperature, low minimum temperature, small viscosity, suitable optical anisotropy and large dielectric anisotropy, or having a suitable balance regarding at least two of the characteristics; and an AM device including the composition. The liquid crystal composition contains a specific compound having large positive dielectric anisotropy as a first component and a specific compound having small viscosity as a second component, and the composition may contain a specific compound having high maximum temperature or small viscosity as a third component, a specific compound having positive dielectric anisotropy as a fourth component, or a specific compound having negative dielectric anisotropy as a fifth component.

Shown are a liquid crystal composition satisfying at least one of characteristics such as high maximum temperature, low minimum temperature, small viscosity, suitable optical anisotropy and large dielectric anisotropy, or having a suitable balance regarding at least two of the characteristics; and an AM device including the composition. The liquid crystal composition contains a specific compound having large positive dielectric anisotropy as a first component and a specific compound having small viscosity as a second component, and the composition may contain a specific compound having high maximum temperature or small viscosity as a third component, a specific compound having positive dielectric anisotropy as a fourth component, or a specific compound having negative dielectric anisotropy as a fifth component.

Provided are a liquid crystal composition in which vertical alignment of liquid crystal molecules can be achieved by action of a polymer, and a liquid crystal display device including the composition. The composition is a nematic liquid crystal composition that has negative dielectric anisotropy and contains a specific liquid crystal compound having large negative dielectric anisotropy as a first component and a polar compound having a polymerizable group as a first additive, and may contain a specific liquid crystal compound having high maximum temperature or small viscosity as a second component, a specific liquid crystal compound having large negative dielectric anisotropy as a third component, and a polymerizable compound as a second additive, and the liquid crystal display device includes the composition.

Provided are a liquid crystal composition in which vertical alignment of liquid crystal molecules can be achieved by action of a polymer, and a liquid crystal display device including the composition. The composition is a nematic liquid crystal composition that has negative dielectric anisotropy and contains a specific liquid crystal compound having large negative dielectric anisotropy as a first component and a polar compound having a polymerizable group as a first additive, and may contain a specific liquid crystal compound having high maximum temperature or small viscosity as a second component, a specific liquid crystal compound having large negative dielectric anisotropy as a third component, and a polymerizable compound as a second additive, and the liquid crystal display device includes the composition.

The present invention relates to liquid crystal media comprising polymerizable mesogenic compounds with a bent shape, and to electro-optical displays comprising these media as light modulation media. In particular the electro-optical displays according to the present invention are displays, which are operated at a temperature, at which the liquid crystal modulation media are in an optically isotropic phase, preferably in a blue phase.