Jsr Corporation

Honda Motor Co., Ltd.

Other

Toshihiro Otsuki

Katsuya Nagaya

Takashi Tsubouchi

Nagayuki Kanaoka

Naoki Mitsuta

Masaru Iguchi

Hiroshi Soma

Daisuke Shigeoka

Takashi Okada

Yoichi Asano

Kohei Goto

Shoji Nozato

Ryoichiro Takahashi

Masaaki Nanaumi

Yousuke Konno

Takahiko Sawada

Hitoshi Kobayashi

Mayumi Kakuta

Yukie Tanaka

Motoki Okaniwa

Takaaki Uno

Yasumasa Okada

Shintaro Fujitomi

Mayumi Shinoda

Kimihiko Yoshii

Kazuaki Hiratani

An optical filter including a base member having a layer containing near-infrared absorbing fine particles and a dielectric multilayer film, the optical filter satisfying a requirement that, in a wavelength range of 400 nm to 650 nm, an average of transmittance of any of light incident from a direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees, and light obliquely incident at an angle of 60 degrees is 45% or higher and lower than 85%; and a requirement that, in a wavelength range of 800 nm to 1,200 nm, an average of optical density (OD value) of any of light incident from the direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees with respect to the perpendicular direction, and light obliquely incident at an angle of 60 degrees with respect to the perpendicular direction is 1.7 or higher.

Optical filter and ambient light sensor including optical filter

One object of the present disclosure is to show an optical filter capable of realizing both an excellent visible light transmittance and an excellent near-infrared ray-shielding performance even if an incident angle becomes large. The optical filter of the present disclosure has a base material (i) including a light absorbing layer, and transmits visible light, wherein the light absorbing layer has a maximum absorption in a wavelength range of 750 nm to 1,150 nm, and in a wavelength range of 850 nm to 1,050 nm, an average OD value measured in a direction perpendicular to the optical filter is 2.0 or more, and an average OD value measured at an angle of 60&#xb0; with respect to the direction perpendicular to the optical filter is 2.0 or more.

Optical filter having low incident angle dependence of incident light, ambient light sensor, sensor module and electronic device

An optical filter comprises a base material (i) which comprises a transparent resin layer comprising a compound (Z) having an absorption maximum in the wavelength region of from 600 to 850 nm; and a dielectric multilayer film provided on at least one surface of the base material (i). The optical filter selectively transmits visible rays and a part of near-infrared rays, and the optical filter satisfies specific requirements.

Optical filter, solid-state image pickup device and camera module

An optical filter comprising a substrate and a dielectric multilayer film formed on at least one surface of the substrate, wherein the substrate comprises an aromatic polyether-based polymer having a glass transition temperature (Tg), measured via differential scanning calorimetry (DSC, heating rate: 20&#xb0; C./min), of from 230 to 350&#xb0; C.

Optical filter and imaging device comprising the same

The present invention provides a proton conductive membrane having capabilities of self-generating water and maintaining water, excellent ion conductivity and excellent effect of inhibiting crossover and usable for solid polymer electrolyte type fuel cells and also provides a proton conductive composition used for preparing the proton conductive membrane. The proton conductive composition comprises 100 parts by weight of a polyarylene having a sulfonic group and 0.01 to 80 parts by weight of at least one metal catalyst selected from the group consisting of platinum, gold, palladium, rhodium, iridium and ruthenium, or comprises 100 parts by weight of a polyarylene having a sulfonic group, 0.01 to 80 parts by weight of the metal catalyst, and 0.01 to 50 parts by weight of metal oxide fine particles and/or fibers in total.

Proton conductive composition and proton conductive membrane

A solid polymer electrolyte includes a polymer having a sulfonic group and shows high proton conductivity in a wide range of temperatures and humidities and is excellent in hot water resistance and chemical stability. A proton conductive membrane is composed of the electrolyte. The polymer electrolyte includes a polymer having a structural unit represented by the following formula (1a) or (1b): wherein A is a divalent electron-withdrawing group, B is a divalent electron-donating group or a direct bond, Ar is an aromatic group, Z is an oxygen or a sulfur atom, X is a hydrogen or a fluorine atom, j is an integer of 1 or greater, k is an integer of from 1 to 4, l is an integer of from 0 to 10, m is an integer of from 1 to 10, and n is an integer of from 1 to 8.

Polymer electrolyte and proton conductive membrane

The present invention provides a sulfonic group-containing polyarylene block copolymer superior to the perfluoroalkylsulfonic acid polymers in cost, conductive properties and proccessability, a process for producing the copolymer, a solid polymer electrolyte and a proton conductive membrane. The sulfonic group-containing polyarylene block copolymer includes a polymer segment with an ion conductive component represented by the formula (A) and at least one polymer segment without an ion conductive component represented by the formulae (B-1), (B-3) and the like and containing an aromatic ring bonded at the meta-positions or ortho-positions: wherein X is a single bond, &#x2014;CO&#x2014;, &#x2014;SO&#x2014; or the like; W is a single bond, &#x2014;CO&#x2014;, &#x2014;SO&#x2014; or the like; Q is a single bond, &#x2014;O&#x2014;, &#x2014;S&#x2014; or the like; J is a single bond, &#x2014;CO&#x2014;, &#x2014;SO&#x2014; or the like; and Rto Rare each a hydrogen atom, a fluorine atom, an alkyl group or the like.

Sulfonic group-containing polyarylene block copolymer, process for production thereof, solid polymer electrolyte and proton conductive membrane

Disclosed are a polymer electrolyte having improved hot water resistance and radical resistance, a proton conductive membrane comprising the polymer electrolyte, and a membrane-electrode assembly including the proton conductive membrane. The polymer electrolyte comprises at least one polymer selected from polyether, polyketone, polyetherketone, polysulfone, polyethersulfone, polyimide, polyetherimide, polybenzimidazole, polybenzothiazole, polybenzoxazole and the like. The polymer comprises a repeating structural unit with either or both of an aromatic ring and a heterocyclic ring, and a repeating structural unit represented by the formula (1): wherein X is a single bond, an electron-withdrawing group or an electron-donating group; R is a single bond, &#x2014;(CH)&#x2014; or &#x2014;(CF)&#x2014; where q ranges from 1 to 10; m is from 0 to 10; k is from 0 to 5; l is from 0 to 4; and k+1&#x2267;1.

Polymer electrolyte, proton conductive membrane and membrane-electrode assembly

Polarizer protection film

Growing community of inventors

Tokyo, Japan

Toshihiro Otsuki