Abstract:
An optically anisotropic film which is excellent in aligning properties, light resistance, and moisture-heat resistance. The optically anisotropic film contains a liquid crystal compound or a polymer, and an aggregate of organic compounds, in which the optically anisotropic film has no absorption in a visible light region, an average value of ratios of lengths of major axes of the aggregate to lengths of minor axes of the aggregate is 2.0 or more, and an average length of the minor axes of the aggregate is 10 nm or more.
Abstract:
An optically anisotropic film exhibiting reverse wavelength dispersibility and an Nz factor of about 0.50 (0.40 to 0.60), is formed of a lyotropic liquid crystalline composition containing colorable rod-like and plate-like compounds, where a measurement to obtain an ultraviolet-visible absorption spectrum by applying linearly polarized light is carried out by changing light direction and assuming that an absorbance at a maximum absorption wavelength in a wavelength range of 230 to 400 nm of the rod-like compound is highest at a first direction, and of the plate-like compound is highest at a second direction, the first direction and the second direction are orthogonal to each other, the maximum absorption wavelength in a wavelength range of 230 to 400 nm of the rod-like compound is smaller than that of the plate-like compound, and NzP represented by Expression (N) NzP = (nxP - nzP)/(nxP - nyP) of the plate-like compound is negative.
Abstract:
Provided is an optically anisotropic film having favorable black tightness when the optically anisotropic film is disposed on a display element as a circularly polarizing plate in combination with a polarizer and an obtained display device is viewed from an oblique direction; as well as a circularly polarizing plate and a display device. The optically anisotropic film is formed of a composition containing a non-colorable lyotropic liquid crystal compound, in which an Nz factor of the optically anisotropic film satisfies a relationship of Expression (1) 0.40≤Nz factor≤0.60 and the optically anisotropic film satisfies a relationship of Expression (2) 0.60≤Re(450)/Re(550)≤0.90. In Expressions (1) and (2) Re(450) represents an in-plane retardation of the optically anisotropic film at a wavelength of 450 nm, and Re(550) represents the in-plane retardation of the optically anisotropic film at a wavelength of 550 nm.
Abstract:
Provided is an ink jet recording ink including: a colorant represented by the following Formula 1, in which an absorption maximum of a dry material of the ink jet recording ink is 700 nm to 1000 nm.
Abstract:
A near infrared absorbing composition includes: a squarylium compound represented by the following Formula (1) and having an absorption maximum of 700 nm or longer; and a resin. In Formula (1), Ar1 and Ar2 each independently represent a divalent conjugated group which has a heteroaryl ring having a chalcogen atom, and R1 to R4 each independently represent a hydrogen atom or a substituent. The film and the infrared cut filter are formed of the near infrared absorbing composition. The solid image pickup element includes the infrared cut filter.
Abstract:
An infrared absorbing composition which is used for forming an infrared cut filter in a solid image pickup element having the infrared cut filter includes at least one infrared absorber having an absorption maximum at a wavelength of 650 nm or longer which is selected from polymethine colorants.
Abstract:
Objects of the present invention are to provide an organic semiconductor element having excellent coating manufacturing process suitability, excellent carrier mobility, excellent heat resistance, and excellent flexibility of a semiconductor active layer and to provide an organic semiconductor composition that can form an organic semiconductor having excellent coating manufacturing process suitability, excellent carrier mobility, excellent heat resistance and excellent flexibility, an organic semiconductor film in which the composition is used, and a method of manufacturing an organic semiconductor element.The organic semiconductor element according to the present invention includes a compound represented by Formula 1 in a semiconductor active layer. In Formula 1, A is an aromatic ring selected from any one of aromatic rings represented by Formula 2 or 3, *'s represent bonding positions to two side chalcogenophene rings, Xa's represent chalcogen atoms, one of X1 and Y1 is a chalcogen atom, and one of X2 and Y2 is a chalcogen atom.
Abstract:
An object of the present invention is to provide a photoelectric conversion element having a photoelectric conversion film which exhibits heat resistance, a high photoelectric conversion efficiency, a low level of dark currents, rapid response, and sensitivity characteristics to red and can be produced by a vapor deposition processing that is continuously performed under a high-temperature condition. The photoelectric conversion element of the present invention is a photoelectric conversion element in which a conductive film, a photoelectric conversion film containing a photoelectric conversion material, and a transparent conductive film are laminated on one another in this order, wherein the photoelectric conversion material includes a compound represented by Formula (1).
Abstract:
A sensor including a light-receiving element; and an optical element that includes near infrared absorbing dichroic substance. The optical element has an absorption axis with respect to near infrared light in an in-plane direction. When linearly polarized light of near infrared light orthogonal to the absorption axis is radiated from a normal direction of the optical element and from a direction inclined by 45° from the normal direction at an azimuthal angle orthogonal to the absorption axis, an absorbance during the radiation from the direction inclined by 45° from the normal direction is more than an absorbance during the radiation from the normal direction.
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 μm or less.