Abstract: A light absorption anisotropic layer which has a high S/N ratio for generating polarized light with respect to rays in an infrared wavelength region, is lightweight, and has excellent handleability, a laminate, and a sensor system including the light absorption anisotropic layer or the laminate. The light absorption anisotropic layer contains a dichroic coloring agent having a maximal absorption at a wavelength of 700 to 1500 nm, in which an average absorbance at a wavelength of 850 nm is 0.24 to 0.50 and a thickness is 5 ?m or less.

Abstract: An object of the present invention is to provide: an optical element in which incident light can be transmitted or reflected at an angle in the predetermined direction and the wavelength dependence of the amount of transmitted light or reflected light is small; and an optical element including the optical element. The optical element according to the present invention comprises: an optically-anisotropic layer that is formed using a composition including a liquid crystal compound and an infrared absorbing colorant, in which the optically-anisotropic layer has a liquid crystal alignment pattern in which a direction of an optical axis derived from the liquid crystal compound changes while continuously rotating in at least one in-plane direction, and an absorption of the infrared absorbing colorant in a wavelength range of 700 to 2000 nm in a minor axis direction is higher than an absorption of the infrared absorbing colorant in a wavelength range of 700 to 2000 nm in a major axis direction.

Abstract: A fluorine-containing polymer includes at least one repeating unit represented by any of General Formulae (I) to (III):

Abstract: An image display device which suppresses destruction of an image display panel due to static electricity carried by a phase difference film, and has excellent adhesiveness between the phase difference film and the image display panel even in a moisture-heat environment, and a circularly polarizing plate with a photosensitive adhesive. The image display device includes a circularly polarizing plate having a linear polarizer and a phase difference film, and an image display panel in this order from a viewing side, in which the phase difference film and the image display panel are bonded by a pressure-sensitive adhesive, the phase difference film has an optically anisotropic layer obtained by polymerizing a polymerizable liquid crystal composition containing at least one kind of polymerizable liquid crystal compound having a predetermined structure, and the pressure-sensitive adhesive contains a polymer having an acid value of 1 to 30 mgKOH/g and an antistatic agent.

Abstract: The present invention provides: a laminate which has a polarizer and an optically anisotropic layer and has excellent thermal durability; and an organic electroluminescent device and a liquid crystal display device, which include the laminate. The laminate according to the embodiment of the present invention is a laminate having two substrates, and a polarizing plate disposed between the two substrates, in which the polarizing plate has an optically anisotropic layer and a polarizer, the optically anisotropic layer is formed of a composition containing a polymerizable liquid crystal compound represented by Formula (I), the polarizer contains a polyvinyl alcohol-based resin, and a moisture permeability of the substrate is 10?3 g/m2·day or less.

Abstract: Provided are an image display apparatus; an image display system; a head-mounted display, and a patterned polarizer. The image display apparatus includes a light receiving section having sensitivity in an invisible range; an image display panel having a substrate and a plurality of pixels disposed thereon; and an emission surface that emits a luminous flux in a visible range, in which the light receiving section receives only invisible light in light incident into the image display apparatus through the emission surface, and is provided between the emission surface and the image display panel, on the image display panel, or on a side of the image display panel opposite the emission surface, and disposed at a position overlapping the image display panel viewed from a direction perpendicular to the emission surface, and a near infrared polarizer is provided between the light receiving section and the emission surface.

Abstract: Provided are an optically anisotropic film which has excellent moisture-heat resistance and can have a reduction in the thickness, an optical film, a polarizing plate, and an image display device. The optically anisotropic film is obtained by polymerizing a polymerizable liquid crystal composition, in which the polymerizable liquid crystal composition contains a polymerizable liquid crystal compound represented by Formula (1): L1-SP1-(E3-A1)m-E1-G1-D1-Ar1-D2-G2-E2-(A2-E4)n-SP2-L2 and a polymerizable liquid crystal compound represented by Formula (2): L1-SP1-(E3-A1)m-E1-G1-D1-Ar2-D2-G2-E2-(A2-E4)n-SP2-L2, and the optically anisotropic film satisfies Formula (3): Re(450)/Re(550)<1 or Formula (4): Rth(450)/Rth(550)<1, and has a degree of alignment as measured by Raman spectroscopy of 0.4 or more.

Abstract: A polymerizable liquid crystal composition capable of manufacturing an optically anisotropic film having excellent light fastness; and an optically anisotropic film, an optical film, a polarizing plate, an image display device, and an organic electroluminescent display device, each of which uses the polymerizable liquid crystal composition. The polymerizable liquid crystal composition of an embodiment of the present invention contains a polymerizable liquid crystal compound having reverse-wavelength dispersion properties and an ultraviolet absorber represented by Formula (1), in which a maximum absorption wavelength A of the polymerizable liquid crystal compound and a maximum absorption wavelength B of the ultraviolet absorber satisfy Formula (2), and a content of the ultraviolet absorber is 1% to 20% by mass with respect to a content of the polymerizable liquid crystal compound.

Abstract: A polymerizable liquid crystal composition capable of manufacturing an optically anisotropic film having excellent light fastness; and an optically anisotropic film, an optical film, a polarizing plate, an image display device, and an organic electroluminescent display device, each of which uses the polymerizable liquid crystal composition. The polymerizable liquid crystal composition of an embodiment of the present invention contains a polymerizable liquid crystal compound having reverse-wavelength dispersion properties and an aromatic polyether-based compound.

Abstract: The present invention provides a phase difference film in which reflection of external light is suppressed, tinting of reflected light is suppressed, and tinting at the time of white display is suppressed in a case where the phase difference film is applied to a display device; a circularly polarizing plate; and an organic electroluminescent display device. The phase difference film of an embodiment of the present invention has an in-plane retardation of 100 to 200 nm at a wavelength of 550 nm and satisfies Requirement 1: ?xy<0.010 and Requirement 6: 0.10<Slope S?1.0.

Abstract: The present invention provides: a laminate which has a polarizer and an optically anisotropic layer and has excellent thermal durability; and an organic electroluminescent device and a liquid crystal display device, which include the laminate. The laminate according to the embodiment of the present invention is a laminate having two substrates, and a polarizing plate disposed between the two substrates, in which the polarizing plate has an optically anisotropic layer and a polarizer, the optically anisotropic layer is formed of a composition containing a polymerizable liquid crystal compound represented by Formula (I), the polarizer contains a polyvinyl alcohol-based resin, and a moisture permeability of the substrate is 10?3 g/m2·day or less.

Abstract: An object of the present invention is to provide: an optical element in which incident light can be transmitted or reflected at an angle in the predetermined direction and the wavelength dependence of the amount of transmitted light or reflected light is small; and an optical element including the optical element. The optical element according to the present invention comprises: an optically-anisotropic layer that is formed using a composition including a liquid crystal compound and an infrared absorbing colorant, in which the optically-anisotropic layer has a liquid crystal alignment pattern in which a direction of an optical axis derived from the liquid crystal compound changes while continuously rotating in at least one in-plane direction, and an absorption of the infrared absorbing colorant in a wavelength range of 700 to 2000 nm in a minor axis direction is higher than an absorption of the infrared absorbing colorant in a wavelength range of 700 to 2000 nm in a major axis direction.

Abstract: An object of the present invention is to provide an optically anisotropic film which has excellent moisture-heat resistance and can have a reduction in the thickness, an optical film, a polarizing plate, and an image display device. The optically anisotropic film of the embodiment of the present invention is an optically anisotropic film obtained by polymerizing a polymerizable liquid crystal composition, in which the polymerizable liquid crystal composition contains a polymerizable liquid crystal compound represented by Formula (1) and a polymerizable liquid crystal compound represented by Formula (2), and the optically anisotropic film satisfies Formula (3) or (4), and has a degree of alignment as measured by Raman spectroscopy of 0.4 or more.

Abstract: Provided is an optical film having an excellent film contrast and improved moisture-heat resistance, a polarizing plate, and an image display device. The optical film has an optically anisotropic film obtained by polymerizing a polymerizable liquid crystal composition, and a photo-alignment film, in which the polymerizable liquid crystal composition contains a polymerizable liquid crystal compound represented by Formula (1): L1-SP1-E1-Cy2-Cy1-D1-Ar1-D2-Cy3-Cy4-E2-SP2-L2 and the optically anisotropic film satisfies Formula (I): Re(450)/Re(550)<1 or Formula (II): Rth(450)/Rth(550)<1 and exhibits a diffraction peak derived from a periodic structure in X-ray diffraction measurement.

Abstract: An image display device which suppresses destruction of an image display panel due to static electricity carried by a phase difference film, and has excellent adhesiveness between the phase difference film and the image display panel even in a moisture-heat environment, and a circularly polarizing plate with a photosensitive adhesive. The image display device includes a circularly polarizing plate having a linear polarizer and a phase difference film, and an image display panel in this order from a viewing side, in which the phase difference film and the image display panel are bonded by a pressure-sensitive adhesive, the phase difference film has an optically anisotropic layer obtained by polymerizing a polymerizable liquid crystal composition containing at least one kind of polymerizable liquid crystal compound having a predetermined structure, and the pressure-sensitive adhesive contains a polymer having an acid value of 1 to 30 mgKOH/g and an antistatic agent.

Abstract: A polymerizable liquid crystal composition used for formation of an optically anisotropic film retaining good reciprocal wavelength dispersibility and having an excellent surface condition, an optically anisotropic film, an optical film, a polarizing plate, and an image display device. The polymerizable liquid crystal composition contains a polymerizable liquid crystal compound represented by Formula (I): L1-SP1-A1-D3-G1-D1-Ar-D2-G2-D4-A2-SP2-L2 and a polymerizable compound represented by Formula (II): L5-SP5-D9-C(?O)-Cy1-Cy2-C(?O)-D7-A5-D8-(A6-D10)n-SP6-L6 and not corresponding to Formula (I).

Abstract: The present invention provides an optically anisotropic film exhibiting excellent reciprocal wavelength dispersion, a circularly polarizing plate, and a display device. The optically anisotropic film of an embodiment of the present invention is an optically anisotropic film formed from a composition including a liquid crystal compound and an infrared absorbing dye, in which the optically anisotropic film satisfies a relationship of Formula (A): Re(450)/Re(550)<1, and an absorption at a wavelength of 700 to 900 nm in the fast axis direction of the optically anisotropic film is larger than an absorption at a wavelength of 700 to 900 nm in the slow axis direction of the optically anisotropic film. In Formula (A), Re(450) represents an in-plane retardation of the optically anisotropic film at a wavelength of 450 nm and Re(550) represents an in-plane retardation of the optically anisotropic film at a wavelength of 550 nm.

Abstract: A polarizing plate, which includes at least a polarizer layer including an iodine-dyed polyvinyl alcohol film, and the polarizing plate including a compound with a bond dissociation energy E1 of less than or equal to 90.0 kcal/mol, a peroxide radical forming energy E2 of less than or equal to 0.0 kcal/mol, and a polyiodide ion I5? forming ability in an iodide compound-containing solution of less than or equal to 1.0.

Abstract: The present invention provides an organic electroluminescent display device in which reflection of external light is suppressed and a change in tint in a case of being viewed in an oblique direction is further suppressed, a phase difference film, and a circular polarization plate. This organic electroluminescent display device according to the present invention includes an organic electroluminescence display panel and a circular polarization plate arranged on the organic electroluminescence display panel, in which the circular polarization plate includes a polarizer and a phase difference film, the phase difference film includes a positive A-plate and a positive C-plate, and the positive A-plate and the positive C-plate satisfy prescribed requirements.

Abstract: A polarizing plate protective film which prevents deterioration of polarization performance in a high temperature, high humidity environment, and a polarizing plate and display device using the film including a compound represented by the following General Formula (I). (X-LnZ??General Formula (I) X represents a formyl group, a boronic acid group, or a group represented by the following General Formula (I-B) or a group represented by the following General Formula (I-C), where L represents a single bond or divalent linking group, and n represents an integer equal to or greater than 2. When n is 2, Z represents a single bond or a divalent group, and when n?3, Z represents an n-valent group. RA and RB represent an alkyl group, a cycloalkyl group, an aryl group, or an acyl group. RA and RB may be bonded to each other to form a ring. * represents a bond to be bonded to L.