Abstract: A color conversion member in an aspect of the present invention is a color conversion member that converts incident light into light of a wavelength different from the wavelength of the incident light, and includes at least the following (A) layer and (B) layer. The (A) layer is a color conversion layer containing: at least one organic luminescent material that emits delayed fluorescence; and a binder resin. The (B) layer is a layer having an oxygen permeability of 1.0 cc/m2·day·atm or less.

Abstract: A color conversion sheet that converts incident light into light with a wavelength longer than that of the incident light, the color conversion sheet including the following layer (A) and layer (B): the layer (A): a layer containing an organic light-emitting material (a) that exhibits light emission with a peak wavelength observed in a region of 500 nm or more and 580 nm or less by using excitation light in a wavelength range of 400 nm or more and 500 nm or less, and a binder resin; and the layer (B): a layer containing an organic light-emitting material (b) that exhibits light emission with a peak wavelength observed in a region of 580 nm or more and 750 nm or less by being excited by either or both of excitation light in a wavelength range of 400 nm or more and 500 nm or less and light emission from the organic light-emitting material (a), and a binder resin; wherein SPA>SPB where SP values as solubility parameters of the binder resin contained in the layer (A) and the binder resin contained in the layer

Abstract: An organic luminescent material suitable for color conversion material used for a liquid crystal display or LED lighting, excellent in luminous efficiency and durability, to which a pyrromethene-boron complex or a color conversion composition containing the pyrromethene-boron complex contributes, is provided.

Abstract: Provided are a scintillator panel and an X-ray detector which have high sensitivity and sharpness. The scintillator panel includes a substrate and a scintillator layer containing a binder resin and a phosphor, wherein the scintillator panel further contains an organic compound having the maximum peak wavelength of light emission in the wavelength region of from 450 to 600 nm.

Abstract: An object of the present invention is to provide an organic thin-film light-emitting element which achieves both a high luminous efficiency and light emission having high color purity. The present invention is a light-emitting element including: an anode; a cathode; and a plurality of organic layers including an emissive layer between the anode and the cathode, and emitting light by means of electrical energy.

Abstract: A color conversion film converts incident light into light with a wavelength longer than that of the incident light. The color conversion film is a laminate film including the following Layer(A) and Layer (B): Layer (A): a color conversion layer as a continuous layer containing at least one organic light-emitting material and a binder resin; and Layer (B): a transparent resin layer with an oxygen permeability of 1.0 cc/m2·day·atm or less.

Abstract: An organic luminescent material suitable for color conversion material used for a liquid crystal display or LED lighting, excellent in luminous efficiency and durability, to which a pyrromethene-boron complex or a color conversion composition containing the pyrromethene-boron complex contributes, is provided.

Abstract: An organic luminescent material suitable for color conversion material used for a liquid crystal display or LED lighting, excellent in luminous efficiency and durability, to which a pyrromethene-boron complex or a color conversion composition containing the pyrromethene-boron complex contributes, is provided.

Abstract: A color conversion composition converting incident light to light having a longer wavelength than the incident light, and containing the following components (A)-(C): (A) at least one luminescent material; (B) a binder resin; and (C) at least one of tertiary amines, catechol derivatives and nickel compounds, in which the tertiary amines, the catechol derivatives and the nickel compounds have a molar extinction coefficient ? of 100 or less over the whole wavelength range from 400 nm to 800 nm is provided. This color conversion composition achieves a good balance between improvement of color reproducibility and durability if used for a liquid crystal display or an LED lighting device.

Abstract: A color conversion sheet converts incident light into light with a wavelength longer than that of the incident light. The color conversion sheet includes the following layer (A) and layer (B): the layer (A): a layer containing an organic light-emitting material (a) that exhibits light emission with a peak wavelength observed in a region of 500 nm or more and 580 nm or less by using excitation light in a wavelength range of 400 nm or more and 500 nm or less and a binder resin; and the layer (B): a layer containing an organic light-emitting material (b) that exhibits light emission with a peak wavelength observed in a region of 580 nm or more and 750 nm or less by being excited by either or both of excitation light in a wavelength range of 400 nm or more and 500 nm or less and light emission from the organic light-emitting material (a) and a binder resin.

Abstract: A color conversion sheet that converts incident light into light with a wavelength longer than that of the incident light, the color conversion sheet including the following layer (A) and layer (B): the layer (A): a layer containing an organic light-emitting material (a) that exhibits light emission with a peak wavelength observed in a region of 500 nm or more and 580 nm or less by using excitation light in a wavelength range of 400 nm or more and 500 nm or less, and a binder resin; and the layer (B): a layer containing an organic light-emitting material (b) that exhibits light emission with a peak wavelength observed in a region of 580 nm or more and 750 nm or less by being excited by either or both of excitation light in a wavelength range of 400 nm or more and 500 nm or less and light emission from the organic light-emitting material (a), and a binder resin; wherein SPA>SPB where SP values as solubility parameters of the binder resin contained in the layer (A) and the binder resin contained in the layer

Abstract: A color conversion composition includes the following Component (A) and Component (B): Component (A): an organic light-emitting material; and Component (B): at least one of a polyester resin having a partial structure represented by General Formula (1) in its molecular structure of the polyester resin and a resin containing a bisphenol structure represented by General Formula (2): where Y is a divalent saturated aliphatic hydrocarbon group having at least one of a tertiary carbon and a quaternary carbon, where R1 and R2 each represent hydrogen or a C1-20 organic group; R1 and R2 may be the same as or different from each other.

Abstract: A color conversion sheet converts incident light into light with a wavelength longer than that of the incident light. The color conversion sheet includes the following layer (A) and layer (B): the layer (A): a layer containing an organic light-emitting material (a) that exhibits light emission with a peak wavelength observed in a region of 500 nm or more and 580 nm or less by using excitation light in a wavelength range of 400 nm or more and 500 nm or less and a binder resin; and the layer (B): a layer containing an organic light-emitting material (b) that exhibits light emission with a peak wavelength observed in a region of 580 nm or more and 750 nm or less by being excited by either or both of excitation light in a wavelength range of 400 nm or more and 500 nm or less and light emission from the organic light-emitting material (a) and a binder resin.

Abstract: A color conversion composition includes the following Component (A) and Component (B): Component (A): an organic light-emitting material; and Component (B): at least one of a polyester resin having a partial structure represented by General Formula (1) in its molecular structure of the polyester resin and a resin containing a bisphenol structure represented by General Formula (2): (where Y is a divalent saturated aliphatic hydrocarbon group having at least one of a tertiary carbon and a quaternary carbon, where R1 and R2 each represent hydrogen or a C1-20 organic group; R1 and R2 may be the same as or different from each other.

Abstract: A color conversion film converts incident light into light with a wavelength longer than that of the incident light. The color conversion film is a laminate film including the following Layer(A) and Layer(B): Layer (A): a color conversion layer as a continuous layer containing at least one organic light-emitting material and a binder resin; and Layer (B): a transparent resin layer with an oxygen permeability of 1.0 cc/m2·day·atm or less.

Abstract: A color conversion composition converting incident light to light having a longer wavelength than the incident light, and containing the following components (A)-(C): (A) at least one luminescent material; (B) a binder resin; and (C) at least one of tertiary amines, catechol derivatives and nickel compounds, in which the tertiary amines, the catechol derivatives and the nickel compounds have a molar extinction coefficient ? of 100 or less over the whole wavelength range from 400 nm to 800 nm is provided. This color conversion composition achieves a good balance between improvement of color reproducibility and durability if used for a liquid crystal display or an LED lighting device.

Abstract: An organic luminescent material suitable for color conversion material used for a liquid crystal display or LED lighting, excellent in luminous efficiency and durability, to which a pyrromethene-boron complex or a color conversion composition containing the pyrromethene-boron complex contributes, is provided.

Abstract: Provided is a phenanthroline derivative having a specific structure. The phenanthroline derivative includes in a skeleton a substituted or unsubstituted heteroaryl group having electron-accepting nitrogen, and a substituted or unsubstituted aryl group having less than 20 ring-forming carbon atoms. The phenanthroline derivative is preferably used in electronic devices such as light emitting elements, photoelectric conversion elements, lithium ion batteries, fuel cells and transistors.

Abstract: An organic thin film light-emitting element having both high luminous efficiency and high durability can be provided using a light-emitting element material that comprises a compound having a specified carbazole skeleton.

Abstract: Au organic thin film light-emitting element having both high luminous efficiency and high durability can be provided using a light-emitting element material that comprises a compound having a specified carbazole skeleton.