Abstract: Provided are a light absorbing material-containing film which contains quantum dots or the like and is capable of suppressing in-plane luminance unevenness and chromaticity unevenness; and a backlight unit. The light absorbing material-containing film includes a light absorbing material-containing layer that has a plurality of cylindrical or polygonal prism-shaped resin portions discretely disposed and a light absorption region contain light absorbing bodies and formed between the plurality of resin portions; a first substrate film that is laminated on one main surface of the light absorbing material-containing layer; and a second substrate film laminated on the other main surface of the light absorbing material-containing layer, where the light absorption region contains at least one phosphor that serves as the light absorbing body, and a binder.

Abstract: The wavelength conversion member includes a wavelength conversion layer containing quantum dots, in which the wavelength conversion layer is provided between two substrates, at least one of the two substrates has a barrier layer, the wavelength conversion member has a total thickness of 120 ?m or less, the wavelength conversion member has a rub resistance of 100 g or more, and the wavelength conversion member exhibits a bend resistance of a mandrel diameter of 4 mm or less in a bend resistance test carried out according to a cylindrical mandrel method specified in JIS K 5600-5-1:1999.

Abstract: Provided is a wavelength conversion member including a wavelength conversion layer and a substrate, in which the wavelength conversion layer contains a binder and microparticles, and the microparticles contain a pyrromethene derivative and a matrix.

Abstract: Provided is a wavelength conversion member including a wavelength conversion layer and a substrate, in which the wavelength conversion layer contains a pyrromethene derivative, a binder, and a light scattering particle.

Abstract: A wavelength conversion member suppresses peeling at an edge at cutting; and is used with a backlight unit and a liquid crystal display device. The wavelength conversion member includes a first substrate, a wavelength conversion layer, and a second substrate, in which each of the first and second substrates includes a support, a barrier layer, and an organic layer, where each of the barrier layers contains at least aluminum and phosphorus, each of the organic layers is formed of a composition containing a polymer A having a glass transition temperature of 50° C. or lower and a polymer B having an acryloyl or methacryloyl group in a molecule thereof, and the wavelength conversion layer is a layer in which at least one selected from the group consisting of a quantum dot, a phosphor particle, and a phosphor coloring agent is dispersed in a matrix made of an acrylic resin.

Abstract: In a magnetic core including a core assembly formed of multiple arranged thin strip blocks, each of the thin strip blocks has a structure that multiple nanocrystalline thin strips having a bcc-Fe phase as a main phase are laminated one above another, and an iron loss in the nanocrystalline thin strip positioned at a center of the thin strip block in a thickness direction thereof is lower than an iron loss in the nanocrystalline thin strip positioned in a surface layer of the thin strip block. The nanocrystalline thin strip may be a heat-treated product of an amorphous thin strip made of an amorphous alloy material, and the thin strip block may include a fixedly joined portion in which the nanocrystalline thin strips adjacent to each other in a lamination direction are fixedly joined together.

Abstract: In a magnetic core including a laminated core in which multiple core thin strips are laminated, the magnetic core includes a cutting mark region formed by cutting tie sticks 212, connected to the core thin strips 511, in a lamination direction of the core thin strips 511, and the cutting mark region 51C is positioned on an inner side than outer peripheries of the core thin strips 511. The core thin strip 511 may include a portion made of a nanocrystal-containing alloy material that is obtained by nano-crystallizing an amorphous alloy material with heat treatment.

Abstract: The wavelength conversion member includes a wavelength conversion layer containing quantum dots, in which the wavelength conversion layer is provided between two substrates, at least one of the two substrates has a barrier layer, the wavelength conversion member has a total thickness of 120 µm or less, the wavelength conversion member has a rub resistance of 100 g or more, and the wavelength conversion member exhibits a bend resistance of a mandrel diameter of 4 mm or less in a bend resistance test carried out according to a cylindrical mandrel method specified in JIS K 5600-5-1:1999.

Abstract: Provided is a polymerizable composition including a quantum dot, a polyfunctional thiol, a first (meth)acrylate, and a second (meth)acrylate, in which the first (meth)acrylate is a polyfunctional (meth)acrylate, the second (meth)acrylate is a mono- or higher functional (meth)acrylate having a functional group selected from the group consisting of a carboxy group, a hydroxy group, a phosphate group, and an amino group, and a molecular weight of the second (meth)acrylate is equal to or less than a molecular weight of the polyfunctional thiol.

Abstract: Provided is a polymerizable composition including a quantum dot, a polyfunctional thiol, a polyfunctional (meth)acrylate, and a phenolic compound.

Abstract: Provided is an organic electroluminescent display device that further suppresses reflection of external light when viewed in an oblique direction; a phase difference film; and a circularly polarizing plate. This display device has an organic electroluminescent display panel, and a circularly polarizing plate arranged on the display panel, in which the circularly polarizing plate has a polarizer and a phase difference film, the phase difference film has, from a side of the polarizer, a negative A-plate, and a positive A-plate, the in-plane retardation of the negative A-plate at a wavelength of 550 nm is more than 50 nm and less than 90 nm, and the in-plane retardation of the positive A-plate at a wavelength of 550 nm is 100 to 200 nm, and the angle formed by the in-plane slow axis of the negative A-plate and the in-plane slow axis of the positive A-plate is 45°±10°.

Abstract: A decorative member includes: a transparent resin layer provided on a rear surface thereof with a general portion, a stepped portion recessed or protrudingly provided with respect to the general portion, and an inclination portion provided between the stepped portion and the general portion; and a decorative layer provided on the rear surface, wherein: an inclination angle of the inclination portion with respect to a normal line of the general portion is equal to or more than 25° and is equal to or less than 40°; a width of the inclination portion is large beyond 0.38 mm and is equal to or less than 1 mm; and the decorative layer includes: a first layer that covers the stepped portion of the rear surface; and a second layer that covers a part of the rear surface, which is not covered by at least the first layer.

Abstract: Provided is a thin wavelength conversion film in which a phosphor can be uniformly dispersed and deterioration of the phosphor caused by oxygen can also be prevented; and a backlight unit including the wavelength conversion film. The wavelength conversion film includes a wavelength conversion layer and a substrate, in which the wavelength conversion layer includes a binder and particles including a phosphor, an oxygen permeability coefficient of the binder is 0.01 (cc·mm)/(m2·atm) or lower, an oxygen permeability coefficient of the matrix is 10 to 1000 (cc·mm)/(m2·day·atm), and a content of the particles in the wavelength conversion layer is 3 to 30 vol %.

Abstract: A phosphor-containing film including a phosphor such as a quantum dot and is capable of suppressing the deterioration of the phosphor even where the film is formed into a laminated structure; and a backlight unit including the phosphor-containing film as a wavelength converting member. The film includes a phosphor-containing layer in which a plurality of fluorescent regions, each of which contains a phosphor that deteriorates through reaction with oxygen when exposed to oxygen, are discretely arranged and a resin layer having impermeability to oxygen is arranged among the plurality of the discretely arranged fluorescent regions; and a first substrate film and a second substrate film, which are respectively laminated on the both main surfaces of the phosphor-containing layer, in which the resin layer has a Knoop hardness of 115 N/mm2 to 285 N/mm2, a creep recovery rate of 22% or less, and an elastic recovery rate of 60% or more.

Abstract: Provided are a light absorbing material-containing film which contains quantum dots or the like and is capable of suppressing in-plane luminance unevenness and chromaticity unevenness; and a backlight unit. The light absorbing material-containing film includes a light absorbing material-containing layer that has a plurality of cylindrical or polygonal prism-shaped resin portions discretely disposed and a light absorption region contain light absorbing bodies and formed between the plurality of resin portions; a first substrate film that is laminated on one main surface of the light absorbing material-containing layer; and a second substrate film laminated on the other main surface of the light absorbing material-containing layer, where the light absorption region contains at least one phosphor that serves as the light absorbing body, and a binder.

Abstract: A phosphor-containing film contains a phosphor such as a quantum dot and is capable of suppressing deterioration of phosphor even where the film is formed into a laminated structure; and a backlight unit including the phosphor-containing film as a wavelength converting member. The film includes: a phosphor-containing layer in which a plurality of fluorescent regions, each of which contains a phosphor that deteriorates through reaction with oxygen when exposed to oxygen, are discretely arranged and a resin layer having impermeability to oxygen is arranged among the plurality of the discretely arranged fluorescent regions; and a first substrate film and a second substrate film, which are respectively laminated on both main surfaces of the phosphor-containing layer, in which the resin layer has a Knoop hardness of 115 N/mm2 to 285 N/mm2, a creep recovery rate of 22% or less, and an elastic recovery rate of 60% or more.

Abstract: A phosphor-containing film capable of suppressing deterioration of phosphor and capable of suppressing generation of luminescent spots and the reduction in luminance due to a defect of the resin layer. The film includes: a phosphor-containing layer having a resin layer which has impermeability to oxygen and is provided with a plurality of discretely arranged concave portions, and a plurality of fluorescent regions, each of which is arranged in the concave portion of the resin layer and contains a phosphor that deteriorates through a reaction with oxygen when exposed to oxygen; and a first substrate film and a second substrate film, which are respectively laminated on one main surface and the other main surface of the phosphor-containing layer, in which the fluorescent regions contain a binder and quantum dots serving as the phosphor.

Abstract: A phosphor-containing film suppresses deterioration of a phosphor and generation of luminescent spots and the reduction in luminance, and a backlight unit. The phosphor-containing film includes: a phosphor-containing layer having a resin layer which has oxygen impermeability and discrete concave portions, and fluorescent regions arranged in the concave portions, and a first substrate film laminated on one surface of the phosphor-containing layer and a second substrate film laminated on the opposing surface, in which the fluorescent regions contain the phosphor that deteriorates through a reaction with oxygen, and a binder, the first substrate film includes a support film and an inorganic layer provided on a surface of the support film on a side facing the phosphor-containing layer, the resin layer has a modulus of elasticity of 0.5 to 10 GPa, and a thickness of the bottom of the concave portion of the resin layer is 0.1 to 20 ?m.

Abstract: A wavelength conversion member suppresses peeling at an edge at cutting; and is used with a backlight unit and a liquid crystal display device. The wavelength conversion member includes a first substrate, a wavelength conversion layer, and a second substrate, in which each of the first and second substrates includes a support, a barrier layer, and an organic layer, where each of the barrier layers contains at least aluminum and phosphorus, each of the organic layers is formed of a composition containing a polymer A having a glass transition temperature of 50° C. or lower and a polymer B having an acryloyl or methacryloyl group in a molecule thereof, and the wavelength conversion layer is a layer in which at least one selected from the group consisting of a quantum dot, a phosphor particle, and a phosphor coloring agent is dispersed in a matrix made of an acrylic resin.

Abstract: Provided is a wavelength conversion film that suppresses a deterioration of quantum dots by oxygen and is capable of suppressing a decrease in brightness. The wavelength conversion film includes a wavelength conversion layer and auxiliary layers sandwiching the wavelength conversion layer, in which the wavelength conversion layer has polyvinyl alcohol and cured substance particles of a (meth)acrylate compound including wavelength conversion particles, and an oxygen permeability of the auxiliary layer is 1.0×100 to 1.0×10?2 cc/(m2·day·atm).