Patent application number | Description | Published |
20100190919 | RESIN MATERIAL FOR OPTICAL PURPOSES, AND OPTICAL ELEMENT UTILIZING THE SAME - 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). | 07-29-2010 |
20110070402 | Optical Element, and Process for Producing Electronic Equipment using the Optical Element - 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. | 03-24-2011 |
20110262750 | Resin Material for Optical Use and Optical Device - 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. | 10-27-2011 |
20110279024 | ORGANIC ELECTROLUMINESCENCE ELEMENT AND ILLUMINATION DEVICE USING THE SAME - 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. | 11-17-2011 |
20130062654 | LIGHT EXTRACTION SHEET, ORGANIC ELECTROLUMINESCENCE ELEMENT AND ILLUMINATION DEVICE - 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 dement employing this light extraction sheet, and art 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. | 03-14-2013 |
20130100523 | NEAR-INFRARED REFLECTIVE FILM, METHOD FOR MANUFACTURING NEAR-INFRARED REFLECTIVE FILM, AND NEAR-INFRARED REFLECTOR - 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. | 04-25-2013 |
20140313573 | OPTICAL REFLECTION FILM AND METHOD FOR PRODUCING SAME - Provided are an optical reflection film that uses an aqueous coating liquid for generating at refractive index, has a low production cost, is able to have a large area, and has a high coating film thermal stability, a method of manufacturing the optical reflection film, and an optical reflection body provided with the optical reflection film. | 10-23-2014 |
20140355107 | INFRARED SHIELDING FILM, HEAT REFLECTIVE LAMINATED GLASS USING SAME, AND METHOD FOR PRODUCING HEAT REFLECTIVE LAMINATED GLASS - An object of the present invention is to provide an infrared shielding film which has high infrared shielding effect for every incident angle of sunlight, and a laminated glass using the infrared shielding film. Provided is an infrared shielding film including at least one unit of a high refractive index layer and a low refractive index layer stacked, which is characterized in that the high refractive index layer includes at least one selected from the group consisting of a polyester, a polycarbonate, and a poly(meth)acrylate, and metal oxide particles. | 12-04-2014 |