Abstract: The present invention is to find appropriate manufacturing conditions for obtaining a homogeneous scattering state, a homogeneous transparent state, and a homogeneous driving voltage state and to obtain a polymer dispersed liquid crystal display element that has homogeneous properties. A polymer dispersed liquid crystal display element having excellent homogeneity can be obtained by irradiating a light control layer-forming material containing a liquid crystal material and a polymerizable composition with ultraviolet light under specific ultraviolet irradiation conditions to polymerize the polymerizable composition.

Abstract: A nematic liquid crystal composition having a high ?n and a high ?? in a liquid crystal material that enables greater phase control over electromagnetic waves in the microwave or millimeter wave range, and a liquid crystal element, a sensor, a liquid crystal lens, an optical communication device, and an antenna including the nematic liquid crystal composition. Specifically, a liquid crystal composition containing one or two or more compounds represented by general formula (i) in the specification and one or two or more compounds represented by general formula (ii) in the specification, and having a high ?n and a high ??.

Abstract: A foldable circular polarizing plate includes a polarizer and a foldable compensation film disposed on one surface of the polarizer, wherein in-plane retardations of the liquid crystal layer at 450 nm, 550 nm, and 650 nm wavelengths satisfy Relationship Equations 1 or 2, the compensation film is configured to absorb light in a wavelength region of less than or equal to 420 nm, and a reflection color in a CIE-Lab color coordinate system satisfies ?a*b*?5.0 and a foldable organic light emitting diode display including the same.

Abstract: The present invention relates to light-scattering liquid crystal devices suited for use in light control glass such as optical shutters and use in segment displays in, for example, clocks. A light-scattering liquid crystal device according to the present invention includes two substrates 1, of which at least one includes an electrode layer 2 and at least one is transparent, and a light control layer 4 held between the substrates, the light control layer 4 containing a liquid crystal material and a polymer substance, wherein the light-scattering liquid crystal device includes, between the substrates and the light control layer, a thin film layer 3 formed by subjecting a thermally curable compound containing a reactive group to thermal curing. According to the present invention, a light-scattering liquid crystal device having dramatically improved adhesion can be provided.

Abstract: The present invention relates to a liquid crystal composition for a light-scattering liquid crystal device shown in FIG. 1 containing a polymerizable compound selected from the group consisting of compounds represented by the following general formula (1) as a first component and containing a compound having a negative dielectric anisotropy as a second component, a light-scattering liquid crystal device using the liquid crystal composition, and a smart window using the light-scattering liquid crystal device. A reverse mode type light-scattering liquid crystal device can have excellent transparency when no voltage is applied and a reduced driving voltage by the liquid crystal composition of the present invention.

Abstract: The present invention relates to light-scattering liquid crystal devices suited for use in light control glass such as optical shutters and use in segment displays in, for example, clocks. A light-scattering liquid crystal device according to the present invention includes two substrates 1, of which at least one includes an electrode layer 2 and at least one is transparent, and a light control layer 4 held between the substrates, the light control layer 4 containing a liquid crystal material and a polymer substance, wherein the light-scattering liquid crystal device includes, between the substrates and the light control layer, a thin film layer 3 formed by subjecting a thermally curable compound containing a reactive group to thermal curing. According to the present invention, a light-scattering liquid crystal device having dramatically improved adhesion can be provided.

Abstract: A foldable circular polarizing plate includes a polarizer and a foldable compensation film disposed on one surface of the polarizer, wherein in-plane retardations of the liquid crystal layer at 450 nm, 550 nm, and 650 nm wavelengths satisfy Relationship Equations 1 or 2, the compensation film is configured to absorb light in a wavelength region of less than or equal to 420 nm, and a reflection color in a CIE-Lab color coordinate system satisfies ?a*b*?5.0 and a foldable organic light emitting diode display including the same.

Abstract: An aspect of the present invention provides a light conversion film including light-emitting nanocrystalline particles configured to convert light having a predetermined wavelength into light of any of red, green, and blue and to emit the light, and a wavelength-selective transmission layer disposed on at least one side of the light conversion layer and configured to transmit light in a specific wavelength range.

Abstract: A polymerizable liquid crystal composition suitable for a heat-resistant, optical film that has a small selective wavelength shift due to thermal history is disclosed. The polymerizable liquid crystal composition contains a bifunctional polymerizable liquid crystal compound represented by the following general formula (I-2), a chiral compound, and an oxime ester polymerization initiator. In formula (I-2), P121 and P122 denote a polymerizable functional group, Sp121 and Sp122 denote a C1-18 alkylene group, a single bond, or the like, X121 and X122 denote —O—, —S—, or the like, q121 and g122 denote 0 or 1, and MG122 denotes a mesogenic group represented by the general formula (I-2-b). In the general formula (I-2-b), A1, A2, and A3 denote a 1,4-phenylene group, a 1,4-cyclohexylene group, or the like, Z1 and Z2 denote —COO—, —OCO—, or the like, and r1 denotes 0, 1, 2 or 3.

Abstract: There is provided a compound containing a mesogenic group, which includes a silicon compound at a low concentration, a polymerizable compound containing the mesogenic group, a mixture and a composition using these compounds, a polymerizable mixture having the polymerizable compound, and a polymer, an optically anisotropic body, and a phase difference film using the polymerizable composition. It is possible to obtain the optically anisotropic body and the phase difference film having satisfactory scratch resistance and adhesion, by using the polymerizable composition composed of the compound containing a mesogenic group, which includes a silicon compound at a low concentration.

Abstract: An object of the invention is to provide polymerizable compounds having excellent optical characteristics and suited as materials for optically anisotropic articles, compositions containing the polymerizable compounds, polymers obtained by polymerizing the polymerizable compounds, optically anisotropic articles formed of the polymers, and liquid crystal display devices including the optically anisotropic articles.

Abstract: The present invention provides a method for producing a polymerizable liquid crystal composition which produces films being uncolored and having no cissing and good alignment when applied to a substrate, and also provides a polymerizable liquid crystal composition produced by the method and an optically anisotropic body using the polymerizable liquid crystal composition. Specifically, the present invention provides a method for producing a polymerizable liquid crystal composition, the method comprising a step (I) of preparing a polymerizable solution by mixing at least one polymerizable compound having at least one polymerizable functional group and one or two or more organic solvents and heating and stirring the resultant mixture; and a step (II) of mixing the polymerizable solution with a polymerization initiator, and also provides a polymerizable liquid crystal composition produced by the method and an optically anisotropic body using the polymerizable liquid crystal composition.

Abstract: An object of the present invention is to provide a polymerizable liquid crystal composition with which two characteristics of smoothness of a surface of an anisotropic optical body and orientation properties of liquid crystals can be simultaneously improved, when preparing an anisotropic optical body to be obtained by photopolymerization of the polymerizable liquid crystal composition. Specifically, an object of the present invention is to provide a polymerizable liquid crystal composition containing specific polymerizable compounds and a fluorine-based surfactant. In addition, an anisotropic optical body, a retardation film, an antireflective film, and a liquid crystal display element prepared using the polymerizable liquid crystal composition of the present invention are also provided.

Abstract: An anisotropic scattering film includes a liquid crystal material. The anisotropic scattering film includes a plurality of uniaxial horizontal alignment regions of the liquid crystal material and a plurality of vertical alignment regions of the liquid crystal material.

Abstract: An object of the present invention is to provide a liquid crystal element which sufficiently optimizes mainly the electrooptical properties of a VA display, has a wide operating temperature range, a high-speed responsiveness at a low temperature, a halftone response speed, a high contrast, a wide viewing angle, a low threshold voltage, and a high resistance value, and includes a small amount of residual monomers and shows a high voltage holding ratio, even after polymerization of a polymerizable liquid crystal compound is performed. As a result of intensive studies to achieve the object described above, the inventors found the optimal configuration of a liquid crystal element and completed the present invention.

Abstract: The present invention provides a polymerizable liquid crystal composition including a specific polymerizable compound and a fluorosurfactant having specific polyoxyalkylene skeleton and molecular weight. Also, an optically anisotropic body, a phase difference film, an antireflection film, and a liquid crystal display device, which are produced by using the polymerizable liquid crystal composition according to the present invention, are provided. The present invention is useful because three properties, that is, leveling properties of the surface of an optically anisotropic body, offset to a base material, and alignment properties of a liquid crystal can be improved at the same time in the case where the optically anisotropic body is produced by photopolymerizing the polymerizable liquid crystal composition.

Abstract: It is an object of the present invention to provide a polymerizable compound suitable as a material for optically anisotropic bodies having excellent optical properties, a composition containing the polymerizable compound, a polymer obtained by polymerizing the polymerizable compound, an optically anisotropic body formed of the polymer, and a liquid crystal display device including the optically anisotropic body.

Abstract: It is an object of the present invention to provide a polymerizable liquid crystal composition that has an excellent storage stability and that enables a film formed by application of the composition to a base material and the subsequent exposure to heat or active energy rays to have a good adhesion to the base material. It is another object of the present invention to provide an optically anisotropic body that is produced using such a polymerizable composition and that has a good orientation. In particular, the present invention provides a polymerizable liquid crystal composition containing a polymerizable adhesion enhancer and a polymerizable liquid crystal compound. In addition, the present invention also provides an optically anisotropic body containing such a polymerizable liquid crystal composition.

Abstract: A polymerizable composition solution that has good storage stability and allows a polymerizable compound in the polymerizable composition to be aligned well with no defects after application to a base and removal of a solvent by a drying process and also an optically anisotropic body that includes the solution and has good alignment without any defects. A solution containing a polymerizable composition and an organic solvent, wherein the polymerizable composition contains 90 mass % or more of a polymerizable compound intramolecularly having a 2-methyl-1,4-phenylene group as represented by general formula (1) and an optically anisotropic body including the solution.

Abstract: An object of the invention is to provide polymerizable compounds having excellent optical characteristics and suited as materials for optically anisotropic articles, compositions containing the polymerizable compounds, polymers obtained by polymerising the polymerizable compounds, optically anisotropic articles formed of the polymers, and liquid crystal display devices including the optically anisotropic articles.