Abstract: Provided are a composition capable of forming an optically anisotropic film exhibiting a negative Nz factor, an optically anisotropic film, a circularly polarizing plate, a display device, a compound, and a method for producing a compound. The composition includes a non-coloring lyotropic liquid crystal compound represented by Formula (X) (Rx1-(Lx1-Lx2-Rx2)n)a?(Mb+)c.

Abstract: An object of the present invention is to provide a laminate including two cholesteric liquid crystal layers in which a reflectivity of the cholesteric liquid crystal layers formed by an application treatment is high.

Abstract: Provided is an optically anisotropic film exhibiting excellent reverse wavelength dispersibility, a laminate, a circularly polarizing plate, and a display device. The optically anisotropic film includes a J-aggregate having an absorption peak of a J-band on a wavelength side longer than a wavelength of 700 nm, in which an absorption at a wavelength of 700 to 900 nm in a fast axis direction of the optically anisotropic film is larger than an absorption at a wavelength of 700 to 900 nm in a slow axis direction of the optically anisotropic film.

Abstract: A first object of the present invention is to provide a photoelectric conversion element having excellent manufacturing suitability. A second object of the present invention is to provide an imaging element, an optical sensor, and a compound. The photoelectric conversion element includes a conductive film, a photoelectric conversion film, and a transparent conductive film in this order, in which the photoelectric conversion film contains one of more of compounds represented by any of Formula (1) to (6).

Abstract: An optical laminate having excellent light transmitting properties is used for an image display device, includes in order: a first light absorption anisotropic layer; first and second retardation layers; and a second light absorption anisotropic layer, in which the first and second retardation layers are ?/2 wavelength plates, an angle formed between a slow axis of the first and second retardation layers is within a range of 45°±10°, the first and the second light absorption anisotropic layers contain a dichroic substance, an angle formed between a transmittance central axis of the first light absorption anisotropic layer and a normal direction of a surface thereof is 0° or more and 45° or less, and an angle formed between a transmittance central axis of the second light absorption anisotropic layer and a normal direction of a surface thereof is 0° or more and 45° or less.

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: Provided are a composition capable of forming an optically anisotropic film exhibiting a negative Nz factor, an optically anisotropic film, a circularly polarizing plate, a display device, a compound, and a method for producing a compound. The composition includes a non-coloring lyotropic liquid crystal compound represented by Formula (X) (Rx1-(Lx1-Lx2-Rx2)n)a?(Mb+)c.

Abstract: The present invention provides a composition to form an optically anisotropic film exhibiting excellent reverse wavelength dispersibility, an optically anisotropic film, a circularly polarizing plate; a display device; and a near-infrared absorbing coloring agent. The composition includes a liquid crystal compound or a polymer, and a near-infrared absorbing coloring agent having a structural moiety including a coloring agent skeleton and a mesogenic group that is bonded to the coloring agent skeleton, in which the near-infrared absorbing coloring agent satisfies Condition 1 where an absolute value ?1 of a square root of a first eigenvalue and an absolute value ?2 of a square root of a second eigenvalue satisfy a relationship of Formula (A) ?2/?1?0.60; and Condition 2: An angle between a direction of a transition moment of absorption of the infrared absorbing coloring agent and a direction of an eigenvector of the first eigenvalue is 75.0° or more.

Abstract: The present invention provides a compound, a composition, a cured object, an optically anisotropic body, and a reflective film which have high refractive index anisotropy ?n and excellent light resistance, and which exhibit liquid crystallinity. The compound of the present invention is a compound represented by General Formula (1).

Abstract: Provided are an optical element including a first optically-anisotropic layer consisting of a cured layer of a composition including a first liquid crystal compound, in which the first optically-anisotropic layer has 0.24 or more of a refractive index anisotropy ?n550 which is measured with light having a wavelength of 550 nm, the first optically-anisotropic layer has a first liquid crystal alignment pattern in which a direction of an optical axis derived from the first liquid crystal compound continuously changes rotationally in at least one in-plane direction, and in the first liquid crystal alignment pattern, in a case where a length ? over which the direction of the optical axis rotates 180° in a plane is defined as a single period, the length ? of the single period is 1.6 ?m or less; a method for forming a photo-alignment pattern; and a method for manufacturing an optical element.

Abstract: The present invention provides a compound by which high refractive index anisotropy ?n and inhibition of colorability can be compatible. The present invention further provides a composition including the above-mentioned compound, a cured object, an optically anisotropic body, and a reflective film. The compound of the present invention is represented by General Formula (1).

Abstract: Provided is a composition with which an optically anisotropic film exhibits reverse wavelength dispersibility and shows nx>nz>ny can be formed, an optically anisotropic film, an optical film, a circularly polarizing plate, and an organic EL display device. The composition includes a compound represented by Formula (1); and a rod-like compound, in which the compound represented by Formula (1) has a maximal absorption wavelength in a wavelength range of 300 nm or less, and the rod-like compound has a maximal absorption wavelength in a wavelength range of 330 nm or more.

Abstract: Provided is an optically anisotropic film exhibiting reverse wavelength dispersibility with excellent thickness-direction phase differences, a laminate, a circularly polarizing plate, and a display device. The optically anisotropic film of an embodiment of the present invention satisfies the following Requirements 1 to 4. Requirement 1: In a case of irradiation with P-polarized light and S-polarized light, which are linearly polarized light perpendicular to each other, from a direction inclined by 45° from a normal direction of a film surface of the optically anisotropic film, an absorption intensity ratio in a case of irradiation with S-polarized light to an absorption intensity in a case of irradiation with P-polarized light is 1.02 or more in an absorption intensity at a wavelength having a largest absorption in a wavelength range of 700 to 900 nm. Requirement 2: Re(550)<10 nm, Requirement 3: Re(800)<10 nm. Requirement 4: Rth(450)/Rth(550)<1.

Abstract: Provided is an optically anisotropic film exhibiting excellent reverse wavelength dispersibility, a laminate, a circularly polarizing plate, and a display device. The optically anisotropic film includes a J-aggregate having an absorption peak of a J-band on a wavelength side longer than a wavelength of 700 nm, in which an absorption at a wavelength of 700 to 900 nm in a fast axis direction of the optically anisotropic film is larger than an absorption at a wavelength of 700 to 900 nm in a slow axis direction of the optically anisotropic film.

Abstract: Provided is an optically anisotropic film exhibiting reverse wavelength dispersibility with excellent thickness-direction phase differences, a laminate, a circularly polarizing plate, and a display device. The optically anisotropic film of an embodiment of the present invention satisfies the following Requirements 1 to 4. Requirement 1: In a case of irradiation with P-polarized light and S-polarized light, which are linearly polarized light perpendicular to each other, from a direction inclined by 45° from a normal direction of a film surface of the optically anisotropic film, an absorption intensity ratio in a case of irradiation with S-polarized light to an absorption intensity in a case of irradiation with P-polarized light is 1.02 or more in an absorption intensity at a wavelength having a largest absorption in a wavelength range of 700 to 900 nm.

Abstract: The present invention provides a composition to form an optically anisotropic film exhibiting excellent reverse wavelength dispersibility, an optically anisotropic film, a circularly polarizing plate; a display device; and a near-infrared absorbing coloring agent. The composition includes a liquid crystal compound or a polymer, and a near-infrared absorbing coloring agent having a structural moiety including a coloring agent skeleton and a mesogenic group that is bonded to the coloring agent skeleton, in which the near-infrared absorbing coloring agent satisfies Condition 1 where an absolute value ?1 of a square root of a first eigenvalue and an absolute value ?2 of a square root of a second eigenvalue satisfy a relationship of Formula (A) ?2/?1?0.60; and Condition 2: An angle between a direction of a transition moment of absorption of the infrared absorbing coloring agent and a direction of an eigenvector of the first eigenvalue is 75.0° or more.

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: An optically anisotropic layer is formed by a liquid crystal compound represented by General Formula 1, in which the long axes of the molecules are oriented. wherein L1 and L2 independently represent a linking group having a carbonyl group; F1 and F2 independently represent an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a halogen atom; n and m independently represent an integer from 0 to 4; a and b independently represent an integer from 1 to 4; T1 and T2 independently represent a spacer portion including a straight chain or branched alkylene or alkylene oxide group having 2 to 20 carbon atoms; and Ar represents a divalent group having at least one aromatic ring selected from a group consisting of aromatic hydrocarbon rings and aromatic heterocycles, the number of ? electrons in the Ar group being 8 or greater.

Abstract: Provided are an optical element including a first optically-anisotropic layer consisting of a cured layer of a composition including a first liquid crystal compound, in which the first optically-anisotropic layer has 0.24 or more of a refractive index anisotropy ?n550 which is measured with light having a wavelength of 550 nm, the first optically-anisotropic layer has a first liquid crystal alignment pattern in which a direction of an optical axis derived from the first liquid crystal compound continuously changes rotationally in at least one in-plane direction, and in the first liquid crystal alignment pattern, in a case where a length ? over which the direction of the optical axis rotates 180° in a plane is defined as a single period, the length ? of the single period is 1.6 ?m or less; a method for forming a photo-alignment pattern; and a method for manufacturing an optical element.

Abstract: An organic EL image display device that includes a light emitting element substrate; and a circularly polarizing plate. The light emitting element substrate includes a reflecting layer and an organic electroluminescent layer group arranged in a matrix form on the reflecting layer. The reflecting layer, the organic electroluminescent layer group, and the circularly polarizing plate are arranged in this order. A polarization separation layer is provided between the organic electroluminescent layer group and the circularly polarizing plate, and includes polarization separation sites arranged in a matrix form corresponding to the organic electroluminescent layer group. The polarization separation site reflects light of one polarization state and transmits light of the other polarization state in light emitted from the corresponding organic electroluminescent layer. The polarization separation site is divided by a visible light transmission region.