There is provided a composition including a first polymer compound having a photoreactive functional group, a second polymer compound, and an ultraviolet absorber having a benzotriazole skeleton, wherein a content of the ultraviolet absorber is less than 20 parts by mass per 100 parts by mass of a total of the first polymer compound and the second polymer compound.

A liquid crystal composite that contains a liquid crystal composition satisfying at least one of characteristics such as high maximum temperature, low minimum temperature, small viscosity, large optical anisotropy and large positive dielectric anisotropy, and that is suitable for dimming, or having a suitable balance regarding at least two of the characteristics; and a liquid crystal dimming device having the liquid crystal composite. The liquid crystal composite contains a polymer and a liquid crystal composition containing a specific compound having large positive dielectric anisotropy. The liquid crystal composite may further contain a specific compound having high maximum temperature or low minimum temperature; or a specific compound having large negative dielectric anisotropy.

An atmospheric water generator for extracting water droplets from ambient air includes an insulating substrate, a plurality of electrode film units, and a liquid crystal/polymer composite film. Each of surface regions of the liquid crystal/polymer composite film has a plurality of liquid crystal molecules each having a hydrophilic functional group and a hydrophobic moiety. Each of the surface regions normally has one of hydrophilic and hydrophobic properties. When a voltage is applied to one of the electrode film units, the respective surface region is switched to have the other one of hydrophilic and hydrophobic properties, to thereby allow the water droplets condensed from the ambient air to move on the surface regions.

The present invention provides a liquid crystal film having an optically anisotropic layer having excellent alignment and excellent adhesiveness. The present invention further provides an optical laminate, a circularly polarizing plate, and an organic EL display device, each of which uses the optically anisotropic layer. The liquid crystal film of an embodiment of the present invention is a liquid crystal film having at least an optically anisotropic layer formed with a liquid crystal composition including a polymerizable liquid crystal compound and a fluoroaliphatic group-containing copolymer, and a support, in which the fluoroaliphatic group-containing copolymer has a repeating unit derived from a fluoroaliphatic group-containing monomer represented by General Formula (1) and a repeating unit having a polymerizable group polymerizable with the polymerizable liquid crystal compound.

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The present invention provides a liquid crystal composition and a liquid crystal display device thereof. The liquid crystal composition comprises at least one compound of general formula I and at least one compound of general formula II. The liquid crystal composition has a larger vertical dielectric constant (.sub.), a larger ratio of the vertical dielectric constant to the absolute value of dielectric anisotropy (.sub./||), a larger K.sub.ave value and a higher transmittance while maintaining an appropriate clearing point, an appropriate optical anisotropy, and an appropriate absolute value of the dielectric anisotropy, such that the liquid crystal display device comprising the same has a better contrast, a faster response speed and a better transmittance while maintaining an appropriate range of operating temperature and an appropriate threshold voltage.

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Object To provide a tilt-imparted liquid crystal display element that is obtained through UV irradiation of a polymerizable liquid crystal composition, whose drive voltage can be reduced with a fast decay time maintained, and that is well balanced between characteristics, such as decay time, drive voltage, and transmittance. A polymerizable liquid crystal composition for use in it is also provided. Solution A liquid crystal display element has polymer networks formed in the liquid crystal phase 5 in FIG. 3. The polymer networks are formed by polymerizing a polymerizable liquid crystal composition that contains, as essential ingredients, a radically polymerizable monomer component (A), a liquid crystal material (B), and a polymerization initiator (C) that has a molecular structure resulting from substituting any two or more hydrogen atoms in the aromatic nucleus in the molecular structure of an alkylphenone-based photopolymerization initiator, for example with a C1-10 alkyl group (i).

A composition for an optical film including a liquid crystal and a polysiloxane represented by Chemical Formula 1 ##STR00001##
wherein in Chemical Formula 1, R.sup.1 to R.sup.5, L.sup.1 to L.sup.3, X, Y, Z, T.sup.1, T.sup.2, a, b, c, and d are the same as described in the detailed description.

A LC lens and a liquid-crystal medium used in said LC lens, wherein the medium contains one or more compounds of each of formulae I and II

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A liquid crystal composition satisfies at least one of characteristics such as high maximum temperature, low minimum temperature, small viscosity, suitable optical anisotropy, large dielectric anisotropy and high stability to ultraviolet light, or having a suitable balance regarding at least two of the characteristics. The liquid crystal composition contains a quencher as an additive, and may contain a specific compound having large positive dielectric anisotropy as a first component, a specific compound having high maximum temperature or small viscosity as a second component, or a specific compound having large negative dielectric anisotropy as a third component.

The present invention relates to compositions comprising a combination of benzothiadiazole and thiadiazoloquinoxaline derivatives, to liquid-crystalline media containing the compositions, and to the use of the compositions and the media in optical, electronic and electro-optical devices, in particular in devices for regulating the passage of energy from an outside space into an inside space, for example in switchable windows.