Dexerials Corporation

Sony Corporation

Masashi Enomoto

Tsutomu Nagahama

Hironori Yoshida

Masaki Suzuki

Masaharu Senoue

Hiroyuki Itou

Hayato Hasegawa

Masamitsu Kageyama

Masayuki Tanishima

Hiroya Takenaka

Kentaro Okuyama

Yukari Tsunoda

Harumi Sato

Yoshiaki Kobuke

Myung-Seok Choi

Akiharu Satake

Moriaki Okuno

Toru Yatabe

An optical element is provided includes an optical layer having a flat incident surface on which light is incident and a wavelength-selective reflective layer disposed in the optical layer. Of light incident on the incident surface at an incident angle (&#x3b8;, &#x3c6;), the optical element selectively directionally reflects light in at least one specific wavelength range in at least one direction other than a specular reflection direction (&#x2212;&#x3b8;, &#x3c6;+180&#xb0;) while transmitting light in at least one wavelength range other than the specific wavelength range, and is transparent to light in at least one wavelength range other than the specific wavelength range.

Optical element and method for producing the same

An optical element includes a first surface, a second surface positioned to face the first surface, and a plurality of reflecting surfaces arrayed in a first region defined by the first surface and the second surface, wherein the reflecting surfaces have a first length in a first direction vertical to the first surface and are arrayed at a pitch in a second direction perpendicular to the first direction, light incident on one of the first surface and the second surface is reflected by the reflecting surfaces toward the other surface, and predetermined parameters satisfy predetermined relational formulae representing conditions for ensuring total reflection at the reflecting surfaces and for avoiding total reflection at a light emergent surface.

Optical element, method of manufacturing optical element, illumination device, window member, and fitting

Wavelength selective optical element for reflecting light

An optical body includes a first optical layer, a second optical layer having an incident surface on which light is incident, and a reflecting layer sandwiched between the first and second optical layers, wherein the first optical layer includes a plurality of convex or concave structures formed on or in a surface thereof on which the reflecting layer is disposed, ridges of the convex structures or ridges between the concave structures adjacent to each other have tip portions projecting toward the incident surface side, the tip portions are deformed from an ideal shape, the second optical layer is transparent and has a refractive index of 1.1 or more and 1.9 or less, and the optical body selectively directionally reflects part of light entering the incident surface, which part is in a specific wavelength band, in direction other than the specular reflection direction.

Optical body, optical body manufacturing method, solar shading member, window member, interior member, and fitting

An optical body includes a first optical layer having a random concave-convex surface, a reflecting layer formed on the concave-convex surface, and a second optical layer formed on the reflecting layer to embed the concave-convex surface, wherein the reflecting layer is a wavelength-selective reflecting layer for diffusely reflecting, of incident light, light in a specific wavelength band and transmitting light other than the specific wavelength band therethrough.

Optical body with diffusion reflectivity, wall member, fitting, and solar shading device

An optical body includes a substrate having a concave-convex surface, a reflecting layer formed on the concave-convex surface, and an optical layer formed on the reflecting layer to embed the concave-convex surface, wherein the reflecting layer directionally reflects light, the concave-convex surface is made up of a plurality of triangular pillars arrayed in a one-dimensional pattern, and the triangular pillar has an apex angle &#x3b1; and a slope angle &#x3b2;, the apex angle &#x3b1; and the slope angle &#x3b2; satisfying a formula (1) or (2) given below:30&#x2266;&#x3b2;&#x2266;4.5&#x3b1;&#x2212;285(70&#x2266;&#x3b1;&#x2266;80)&#x2003;&#x2003;(1)30&#x2266;&#x3b2;&#x2266;&#x2212;1.5&#x3b1;+195(80&#x2266;&#x3b1;&#x2266;100)&#x2003;&#x2003;(2).

Optical body, wall member, fitting, solar shading device, and building

An optical body includes a first optical layer having a concave-convex surface, a wavelength-selective reflecting layer formed on the concave-convex surface, and a second optical layer formed on the wavelength-selective reflecting layer to embed the concave-convex surface, the wavelength-selective reflecting layer having a multilayer structure formed by successively stacking at least a first high refractive index layer, a metal layer, and a second high refractive index layer, wherein, given that optical film thicknesses of the first high refractive index layer and the second high refractive index layer are x and y, respectively, and a geometrical film thickness of the metal layer is z, x, y and z satisfy the following formula (1): 

Optical body with suppressed change in color tone and window member, fitting, and solar shading including the optical body

An optical body includes a first optical layer having a concave-convex surface, a wavelength selective reflecting layer formed on the concave-convex surface, and a second optical layer formed on the wavelength selective reflecting layer and embedding the concave-convex surface. The wavelength selective reflecting layer selectively directionally reflects light in a particular wavelength band while transmitting light other than the particular wavelength band therethrough. The concave-convex surface is made up of a plurality of triangular pillars arrayed in a one-dimensional pattern, and the triangular pillar has an apex angle &#x3b1; and a slope angle &#x3b2;, the apex angle &#x3b1; and the slope angle &#x3b2; satisfying a predetermined relationship.

Optical body, window member, fitting, solar shading device, and building

A retardation element includes an alignment film and a retardation layer in contact with a surface of the alignment film, and the retardation layer is formed by applying a paint containing a liquid crystal monomer and a non-liquid crystal monomer on the surface of the alignment film and then polymerizing the paint while the liquid crystal monomer is placed in an alignment state.

Paint, retardation element, display device, method for manufacturing retardation element

An optical element has a first optical layer; a reflective layer; and a second optical layer. The reflective layer includes at least five layers of high refractive-index layers and metal layers alternately laminated. When a thickness L of the entire reflective layer is 80 nm, a ratio &#x3b1; of an optical thickness of the entire metal layers to that of the entire high refractive-index layers and a ratio &#x3b2; of an optical thickness of a third high refractive-index layer to that of a first high refractive-index layer are included in a first region, when the thickness L is 90 nm, the ratios &#x3b1; and &#x3b2; are included in a second region, and when the thickness L is 80 to 90 nm, the ratios &#x3b1; and &#x3b2; are included in a space enclosed by the first region, the second region, and straight lines derived from these regions.

Optical element, window material, fitting, and insolation shielding device

An organic EL light-emitting material and an organic EL light-emitting element using the same are provided. Between an anode and a cathode, there are provided a hole transport layer, a light-emitting layer constituted of an organic EL light-emitting material including at least one kind of metal pyrazole complex constituted of a metal ion that is a monovalent cation of a d10 group element and a pyrazole ligand that has a predetermined substituent at the whole or a part of 3, 4 and 5 sites, and an electron transport layer, in this order from the anode side.

Organic EL light-emitting material and organic EL light-emitting element

An optical element includes: a first optical layer having a concavo-convex surface; a wavelength-selective reflective layer provided on the concavo-convex surface of the first optical layer; a second optical layer provided on the concavo-convex surface on which the wavelength-selective reflective layer is provided so as to fill the concavo-convex surface, and in the optical element described above, the wavelength-selective reflective layer includes a metal layer, a protective layer provided on the metal layer and containing a metal oxide as a primary component, and a high refractive index layer provided on the protective layer and containing a metal oxide other than zinc oxide as a primary component, and the wavelength-selective reflective layer selectively directionally reflects light in a specific wavelength band while transmitting light other than that in the specific wavelength band.

Optical element and method for manufacturing the same

A photoelectric transfer material, manufacturing method thereof, photoelectric transfer element and manufacturing method thereof are provided. In an organic photoelectric transfer element of an organic solar cell or other like device, the photoelectric transfer material is composed of a conductive polymer such as MEH-PPV, electronic acceptor such as a fullerene derivative and antenna porphyrin aggregate. The photoelectric transfer material can be made by coating a mixed solution of the conductive polymer, electron acceptor and antenna porphyrin aggregate by spin coating, for example. This photoelectric transfer material and a photoelectric transfer element using the material exhibit high photoelectric transfer efficiency because of small electric resistance and high sunlight usage efficiency, and simultaneously exhibit stability.

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Tokyo, Japan

Masashi Enomoto