Abstract:
The present invention provides a near-infrared reflective film and a near-infrared reflector, which can be used over large areas and are flexible, and have low haze and high visible light transmittance. The near-infrared reflective film comprises at least one unit composed of a high refractive index layer and low refractive index layer on a substrate, and is characterized in that the refractive index difference between an adjacent high refractive index layer and low refractive index layer is at least 0.1, and said high refractive index layer contains at least one type of compound (A) selected from: 1) a rutile-type titanium oxide having a volume-average particle diameter of not more than 100 nm; 2) a water-soluble polymer; and 3) the following group of compounds. Group of compounds: a carboxyl group-containing compound, hydroxamic acids, pyridine derivatives.
Abstract:
Disclosed is a resin material for optical use, which has refractive index and transparency suitable for optical devices, while having extremely small change in refractive index dependent on temperature. In addition, the resin material for optical use is excellent in forming suitability and heat resistance after a reflow process. Also disclosed is an optical device using a resin material for optical use. Specifically disclosed is a transparent resin material for optical use which is composed of a curable resin containing inorganic fine particles whose surfaces are modified with an organic compound. This transparent resin material for optical use is characterized in that the inorganic fine particles are composed of an amorphous silica containing a metal oxide crystal, and have an average particle diameter of not less than 1 nm but more than 50 nm.
Abstract:
Disclosed is an optical element comprising a functional layer composed mainly of an inorganic component on a surface thereof. The functional layer provided on the surface of the optical element is not broken or deformed even through a reflow treatment process. Also disclosed is a process for producing an electronic equipment, comprising placing an image pick-up device comprising the optical element together with an electronic component on a substrate and mounting the image pick-up device and the electronic component on the substrate by a reflow treatment process. The optical element comprises a base material containing a curing resin and inorganic fine particles and a functional layer composed mainly of an inorganic component provided on the surface of the base material. The optical element is characterized in that at least one type of inorganic fine particles is present on the surface of the base material, and the surface roughness is not less than 3 nm and not more than 100 nm.
Abstract:
Disclosed is a resin material for optical purposes, which has high light permeability and high refractive index stability against temperature variation. Also disclosed is an optical element utilizing the resin material. The resin material for optical purposes comprises a curable resin and an inorganic microparticle comprising two or more metal oxides having different refractive indexes and dispersed in the curable resin, wherein the inorganic microparticle has a refractive index distribution, has the surface treated with a surface-treating agent, and is at least partially modified with a surface-modifying agent having a polymerizable functional group, and wherein the refractive index of the curable resin after being cured (nh) and the refractive index of the inorganic microparticle (ng) meet the requirement represented by the formula (1).
Abstract:
A silver salt photothermographic dry imaging material wherein said material has photographic speeds (1) and (2) determined based on the predetermined conditions and the photographic speed (2) is not more than 1/10 of the photographic speed (1), and the coefficient of determination value R2 of the linear regression line is 0.998-1.000, which is obtained from the predetermined density points having a* and b* arranged in two-dimensional coordinates in which a* is used as the abscicca and b* is used as the coordinate of the CIE 1976 (L*a*b) color space, b* of the intersection point of the linear regression line with the ordinate is −5-5, and gradient (a*/b*) is 0.7-2.5.
Abstract translation:一种银盐光热成像干式成像材料,其中所述材料具有基于预定条件确定的照相速度(1)和(2),并且照相速度(2)不大于照相速度(1)的1/10,并且 线性回归线的确定值R 2的系数为0.998-1.000,其从具有以*二维坐标排列的*和b *的预定密度点获得,其中a *被用作 将abcicca和b *用作CIE 1976(L * a * b)色彩空间的坐标,线性回归线与纵坐标的交点的b *为-5-5,梯度(a * / b *)为0.7-2.5。
Abstract:
Disclosed is a novel light extraction sheet, which not only improves light extraction efficiency but suppresses color change with the angle of observation, an organic EL element employing this light extraction sheet, and an illumination device employing the element. The light extraction sheet is featured in that it comprises a transparent resin film and provided thereon, a light scatter layer containing a binder resin and light scattering particles with an average particle size of front 0.2 to 1.0 μm dispersed in the binder resin and a concavo-convex layer containing a binder resin and spherical particles with an average particle size of from 3 to 10 μm.
Abstract:
Disclosed are an organic electroluminescence element with significantly improved light extraction efficiency and improved film properties and an illumination device that uses said element. The organic electroluminescence element has a transparent electrode, an organic electroluminescence layer, and a cathode sequentially stacked on a transparent base material. The element is characterized in that the transparent base material is a transparent resin film, there is a hard coat layer on both sides, the respective refractive indices satisfy the expressions (1)-(4), and there is a function to scatter light to the light emission side with respect to the organic electroluminescence layer. Expression (1): −0.2≦n(H1)−n(A)≦0.2, Expression (2): −0.1≦n(H1)−n(B)≦0.1, Expression (3): −0.1≦n(H2)−n(B)≦0.1, Expression (4): −0.1≦n(H1)−n(H2)≦0.1. In the expressions, n(A) is the refractive index of the transparent electrode; n(H1) is the refractive index of the hard coat layer (on the transparent electrode side); n(H2) is the refractive index of the hard coat layer (on the side opposite the transparent electrode); and n(B) is the refractive index of the transparent resin film.
Abstract:
A photo sensitive emulsion disclosed, comprising an organic silver salt, a photosensitive silver halide and a dispersing medium, wherein the organic silver salt is comprised of at least a first organic silver salt grains and a second organic silver salt grains which are different in average grain size from each other. A photothermographic material containing is also disclosed.
Abstract:
The near-infrared reflective film is a lamination unit including: a high refractive layer containing a first metal oxide particle and a first water-soluble polymer, a low refractive layer containing a second metal oxide particle and a second water-soluble polymer, and a mixed layer that is located between the high refractive layer and the low refractive layer and contains the first metal oxide particle, the second metal oxide particle, and a third water-soluble polymer. The refractive index of the low refractive layer is smaller than the refractive index of the high refractive layer by 0.1 or more. The first metal oxide particle and the second metal oxide particle are different metal oxides.
Abstract:
[Problem] An object of the present invention is to obtain a near-infrared reflective film that is low-cost, that can be produced with a large area, in which, in the optical properties, interference unevenness is particularly small, and which has excellent film physical properties.[Solving Means] Provided is a near-infrared reflective film composed of a lamination unit including: a high refractive layer containing a first metal oxide particle and a first water-soluble polymer, a low refractive layer containing a second metal oxide particle and a second water-soluble polymer and a mixed layer located between the high refractive layer and the low refractive layer and which contains the first metal oxide particle, the second metal oxide particle and a third water-soluble polymer, wherein the refractive index of the low refractive layer is smaller than the refractive index of the high refractive layer by 0.1 or more, and the first metal oxide particle and the second metal oxide particle have different metal oxides.