Dexerials Corporation

Sony Corporation

Shunichi Kajiya

Daisuke Ito

Kazuya Hayashibe

Hiroshi Tazawa

Masanao Kikuchi

Yutaka Muramoto

Hideki Terashima

Kyoko Sakurai

Hiroshi Sugata

Takaaki Otowa

Sohmei Endoh

Masayasu Kakinuma

Takashi Watanabe

Kazuhito Shimoda

Asahiko Nogami

Rie Tsubo

Yasuhiro Takahashi

Yuichi Arisaka

Hiroshi Tanaka

Akihiro Horii

Satoshi Kawamura

Hiroshi Mizuno

Eiji Ohta

Naoki Hanashima

Kimitaka Nishimura

Noriyuki Hirai

Kazuhiko Noda

Masaharu Senoue

Kazuhiko Morisawa

Toru Yatabe

Kiyoaki Tanifuji

Yuji Takahashi

Shinichi Kondo

Hiroshi Hayashi

Jun Sasaki

Akihiro Shibata

Naoto Kaneko

Hiroyuki Kiso

Hideya Chubachi

Shigehisa Ohkawara

Katsuhiro Doi

Ko Ishikawa

Yu Nomura

Tokuhiro Morioka

Ken Hosoya

Akiko Kakibe

Shinjiro Umeya

Maki Ogawa

Masashi Ogawa

Yuu Miura

Kenichi Sasaki

Masaki Takenouchi

Emi Yoshida

Takashi Mabuchi

Mitsuhiro Chida

Makiko Oikawa

Hitomi Madokoro

Akiko Murakami

Ohkawara Shigehisa

A laminate includes a thin film structural body and retention films. A first retention film is stacked on one face of the thin film structural body and a second retention film is stacked on another face of the thin film structural body. The thin film structural body has a first fine irregularity structure at a face that is in contact with the first retention film and has a second fine irregularity structure at a face that is in contact with the second retention film. The first retention film has a third fine irregularity structure at a face that is in contact with the thin film structural body. The second retention film has a fourth fine irregularity structure at a face that is in contact with the thin film structural body. The laminate includes a half cut section. The second retention film contains a UV-curable resin.

Laminate, method of producing laminate, method of forming optical body, and camera module-equipped device

An optical film includes: a fine recess-protrusion layer having a recess-protrusion pattern, formed on a substrate film; and a fine structure body formed on the fine recess-protrusion layer. The optical film is pressed by a light guide transparent to light against one surface of an adherend applied with a photocurable resin, and light is transmitted through the light guide to cure the photocurable resin with the optical film being pressed by the light guide, thereby forming the fine structure body on the adherend.

Display panel and optical film

Provided is a laminate that includes a thin-film structure having a fine concave-convex structure at its surface, can be distributed on the market so that the thin-film structure is usable by a customer without staining or fracturing, and can be prevented from degradation even after storage. A laminate comprises a thin-film structure and holding films, wherein a first holding film is laminated on one surface of the thin-film structure and a second holding film is laminated on the other surface of the thin-film structure, the thin-film structure has fine concave-convex structures at both surfaces, and 0<P1, 0<P2, and P1≠P2, where P1 is a peel force at an interface between the first holding film and the thin-film structure and P2 is a peel force at an interface between the second holding film and the thin-film structure.

Laminate, method of forming optical body, and camera module-mounted device

Provided are a cylindrical base, a master and a method for manufacturing a master enabling a uniform transfer of a fine pattern. A cylindrical base of a quartz glass having an internal strain in terms of birefringence of less than 70 nm/cm is used. A resist layer is deposited to an outer circumference surface of this cylindrical base, a latent image is formed on the resist layer, the latent image formed on the resist layer is developed and the pattern of the developed resist layer is used as a mask for etching to form a structure including concaves or convexes arranged in a plurality of rows on the outer circumference surface of the cylindrical base.

Cylindrical base, master and master manufacturing method

An optical filter includes a transmission portion transmitting light and an absorption portion absorbing light between a plane of incidence and a plane of emission, and the volume of the transmission portion is larger than the volume of the absorption portion. For the optical filter, when the transmission spectrum Sof light incident at an incidence angle of 0° and the transmission spectrum Sof light incident at an incidence angle of 60° are superimposed, the transmittance (%) at an incidence angle of 60° is lower than the transmittance (%) at an incidence angle of 0° by 15% or more for a first wavelength band, and the difference between the transmittance (%) at an incidence angle of 60° and the transmittance (%) at an incidence angle of 0° is 10% or less for a second wavelength band.

Optical filter and light-emitting device

A replica master moldcomprises: a base material layer; and a surface shape bodyformed on the base material layerand having a fine irregular pattern, wherein a softening temperature of the surface shape bodyis higher than a softening temperature of the base material layer

Replica master mold, method of manufacturing replica master mold, article, and method of manufacturing formation object

To form an optical body having a micro concave-convex structure on at least part of an adherend with high accuracy. Provided is an optical laminate including an adherend, a bonding layer formed on at least part of a surface of the adherend, and an optical body bonded to the adherend with the bonding layer. A micro concave-convex structure in which concavities and convexities are arranged at an average cycle less than or equal to a visible light wavelength is formed in at least one surface of the optical body. The bonding layer is provided on the other surface of the optical body. An initial 90° peeling force when peeling the optical body from a transfer body having an inverted concave-convex structure fitted in the micro concave-convex structure of the optical body is less than or equal to 70% of a 90° peeling force between the optical body and the bonding layer.

Optical laminate, transfer laminate, and method for manufacturing optical laminate

There is provided an optical body with improved antireflection capability, a display device, and a method for manufacturing an optical body, the optical body including: a first concave-convex structure formed on a surface of a base material; and a second concave-convex structure superimposed on the first concave-convex structure. An average concave-convex period of the first concave-convex structure is larger than a wavelength in a visible light region, an average concave-convex period of the second concave-convex structure is less than or equal to the wavelength in the visible light region, and projecting parts of the second concave-convex structure extend in a direction normal to a flat plane of the base material.

Optical body, display device, and method for manufacturing optical body

There is provided a light emitting device that can be used as a light guide plate and has an excellent antireflection function to extraneous light, and an optical body includes: a base material; a macro concave-convex structure that is formed on one surface of the base material and emits internally propagating light that is injected in an inside of the base material from a side surface of the base material, from another surface of the base material; and a micro concave-convex structure formed periodically to follow each of both surfaces of the base material and a surface of the macro concave-convex structure, and having an average period of concavity and convexity of less than or equal to a wavelength of visible light. The surface of the macro concave-convex structure has an inclined surface, and an arrangement of the micro concave-convex structure is a zigzag arrangement.

Optical body and light emitting device

The optical deviceaccording to the present disclosure includes substratesprovided opposite to each other, a partition wallformed between opposing faces of the substratesand separating adjacent spaces, and a fluidfilled in each spaceseparated by the partition wall and containing an electric field control material, wherein the optical device further includes, between at least one of the substratesand the partition wall, a fine uneven layerhaving fine uneven shapes and a conductive layerformed according to a shape of the fine uneven layer.

Optical device having fluid-filled partitioned spaces with electric field control material

There is provided an optical body and a display device that enable wavelength dependence of a reflectance to be reduced and reflection of incident light to be further suppressed, the optical body including: a concave-convex structure formed on a surface of a base material. An average period of concavities and convexities of the concave-convex structure is equal to or shorter than a wavelength belonging to a visible light band. A standard deviation of differences between respective positions of bottom faces of the concavities of the concave-convex structure in a normal direction of a flat surface of the base material and a median of the positions of the bottom faces is greater than or equal to 25 nm.

Micro concave-convex structure for optical body and display device

Provided is a fine concave-convex laminate that is reduced in thickness, has excellent antireflection performance, and can suppress scattering and absorption of short-wavelength light. A fine concave-convex laminate comprises a substrate, a first transparent organic layer, and a second transparent organic layer laminated in the stated order, wherein the first transparent organic layer has a fine concave-convex structure at a surface facing the second transparent organic layer, the second transparent organic layer has fine concave-convex structures at both surfaces, and a thickness of a composite layer composed of the first transparent organic layer and the second transparent organic layer is 15 &#x3bc;m or less.

Fine concave-convex laminate and production method therefor, and camera module-mounted device

There is provided a novel, improved optical body, the micro concave-convex structure of which can be protected without the use of a protective film, a film adhesive body, and a method for manufacturing an optical body, the optical body including: an optical film, on one surface of which is formed a first micro concave-convex structure in which an average cycle of concavities and convexities is less than or equal to a visible light wavelength; and a master film that covers the first micro concave-convex structure. The master film is provided with a second micro concave-convex structure formed on a surface that faces the first micro concave-convex structure, the second micro concave-convex structure is made of a cured curing resin, and has a reverse shape of the first micro concave-convex structure, and the optical film and the master film are separable from each other.

Optical body, film adhesive body, and method for manufacturing optical body

Provided is a laminate and an anti-reflection structure that can be thinned, are excellent in anti-reflection performance and can keep reflection chromaticity neutral. In the laminate according to the present disclosure, a part of a light shielding film has a non-light shielding portion without a light shielding film; an anti-reflection structure is formed in the non-light shielding portion through an adhesion layer, and a fine uneven structure has an uneven period that is equal to or less than a wavelength of visible light; and a color difference (&#x394;E) between a reflected light by the light shielding film and a reflected light by the anti-reflection structure expressed in the formula shown below is equal to or less than 1.5.&#x394;=&#x221a;{square root over (()+())}

Laminate, anti-reflection structure and camera module mounting apparatus

There is provided a new and improved master manufacturing method, master, and optical body enabling more consistent production of optical bodies having a desired haze value, the master manufacturing method including: forming a first micro concave-convex structure, in which an average cycle of concavities and convexities is less than or equal to visible light wavelengths, on a surface of a base material body that includes at least a base material; forming an inorganic resist layer on the first micro concave-convex structure; forming, on the inorganic resist layer, an organic resist layer including an organic resist and filler particles distributed throughout the organic resist; and etching the organic resist layer and the inorganic resist layer to thereby superimpose and form on the surface of the base material a macro concave-convex structure and a second micro concave-convex structure.

Master manufacturing method, master, and optical body

Growing community of inventors

Miyagi, Japan

Shunichi Kajiya