Nitto-denko Corporation

National Institute for Materials Science

Wakayama Prefecture

Shoichi Matsuda

Tadayuki Kameyama

Toru Umemoto

Yoshiaki Asanoi

Kyoko Nishiguchi

Sadahiro Nakanishi

Junzo Miyazaki

Masato Katsuda

Yudai Numata

Yasuko Iwakawa

Hiroshi Tomohisa

Hiroyuki Takemoto

Tetsuo Inoue

Shusaku Nakano

Kyoko Ishii

Minoru Miyatake

Satoshi Hirata

Tomohiro Mori

Yoshihiro Kitamura

Tatsuki Nagatsuka

Isao Hirose

Kanji Nishida

Shuji Nakanishi

Hisanari Onouchi

Kazumasa Okada

Eiki Yasukawa

Yoshimi Kubo

Kimihiko Ito

Tomoya Matsuda

Takeshi Mori

Akane Saito

Hitoshi Saomoto

Shoji Yamaguchi

Shin Kimura

Takashi Kameda

Mami Kawaguchi

Tsuyoshi Masuda

Yuki Fukudome

An optical filter () comprises a matrix () and fine particles () dispersed in the matrix (), wherein the fine particles () have a parameter Ds of 8.0 to 30 inclusive, Ds being determined by a USAXS pattern and given by Ds=λ/(B·cos θ·Ra), where λ is the X-ray wavelength, θ is one half the scattering angle 2θ(rad) providing a scattering intensity peak, B is the half width (FWHM, rad) of the peak, and Ra is the average particle size of the fine particles ().

Optical filter, method for manufacturing same, and optical module

The present invention addresses the problem of providing: a porous carbon structure that has a high micropore volume and can be self-contained; a manufacturing method therefor; a positive electrode material using the same; and a battery (particularly an air battery) using the same. The present invention is a porous carbon structure that is for a positive electrode for an air battery and has voids and a skeleton formed by incorporating carbon, the porous carbon structure satisfying all of the following conditions (a) to (d). (a) The t-plot external specific surface area is within the range of 300 m/g to 1600 m/g; (b) the total volume of micropores having a diameter of 1 nm to 200 nm is within the range of 1.2 cm/g to 7.0 cm/g; (c) the total volume of micropores having a diameter of 1 nm to 1000 nm is within the range of 2.3 cm3/g to 10.0 cm/g; and (d) the overall porosity is within the range of 80% to 99%.

Porous carbon structure, manufacturing method therefor, positive electrode material using same, and battery using same

An electrochemical measurement system () includes: an insertion mechanism () which is capable of moving relative to a microplate () having a plurality of reactors which are arrayed and which contain a respective plurality of types of solutions, the plurality of types of solutions being mixtures of a plurality of types of mother liquids in different proportions; and a microelectrode unit () which is attached to the insertion mechanism () such that the microelectrode unit () is capable of being inserted into the plurality of types of solutions contained in the plurality of reactors.

Electrochemical measurement system, electrochemical search method, reactor, and microplate

The invention relates to an electrolyte capable of improving the energy efficiency of a lithium air battery, and a lithium air battery using the electrolyte. An electrolyte for lithium air batteries according to the invention includes an amide-based organic solvent and lithium nitrate, wherein the concentration of lithium nitrate in the amide-based organic solvent satisfies a range of no less than 2 mol/L to no greater than 5.5 mol/L. A lithium air battery according to the invention includes an air electrode, a negative electrode including a lithium metal, and an electrolyte located between the air electrode and the negative electrode, wherein the electrolyte is provided by the aforesaid electrolyte.

Electrolyte for lithium air batteries, and a lithium air battery using the same

Provided are a photon up-conversion film, which is capable, of high-efficiency up-conversion even in air and even when low-intensity light is used, and a simple method of producing the film. The photon up-conversion film according to one embodiment of the present invention includes: a matrix including a resin; and a pore portion, wherein the photon up-conversion film includes at least a sensitizing component capable of absorbing light in a first wavelength region λ1, and a light-emitting component capable of radiating light in a second wavelength region λ2 including wavelengths shorter than those of the first wavelength region λ1, and wherein the sensitizing component and the light-emitting component are present at an interface between the matrix and the pore portion.

Photon up-conversion film and method of producing the film

Disclosed is an optical filter with L* measured by the SCE method being 20 or greater, wherein: the linear transmittance with respect to light with wavelengths being at least a portion of a wavelength range from 760 nm to 2000 nm is 60% or greater; and, before and after a light resistance test wherein light of a xenon arc lamp (average integrated illuminance of light with wavelengths from 300 nm to 400 nm:120 W/m) is shone for 300 hours, the absolute value of a change in C* measured by the SCE method using a spectroscopic colorimeter is 6 or less.

This optical filterhas an L* of at least 20 as measured by the SCE method, wherein the linear transmittance is at least 60% with respect to light the wavelength of which falls at least partially within the wavelength range of 760 nm-2,000 nm, and the temperature, at which the optical filter contracts by being heated, is at least 85° C.

An optical filter has a back-scattering property. The linear transmittance thereof to light of at least some avelengths in the wavelength range of 760-2000 nm is 60% or higher. The azimuth is 20° from an incidence plane when the polar angle of the direction of incidence of incident light is 0°. The value of a bidirectional reflectance distribution function in the direction 'here the polar angle is −60' is BRDF (0°; 20°, −60°). The azimuth is 20° from an incidence plane when the polar angle of the direction of incidence of incident light is 30°. The value of a bidirectional reflectance distribution function in the direction where the polar angle is −60° is BRDF (30°; 20°, −60°). The azimuth is 20° from an incidence plane when the polar angle of the direction of incidence of incident light is 60°.

Optical filter, method of producing same, and optical module

The present invention relates to a water-resistant organic thin film obtained by crosslinking, with organic nitrogen compounds, an organic thin film comprising an organic dye having an anionic group, wherein

Water-resistant organic thin-film, method for producing water-resistant organic thin-film, and image display device including water-resistant organic thin-film

It is an object of the invention to provide an optical laminate-producing method in which a polarizing film having the desired optical properties can be conveniently formed on a resin film as a substrate without performing any surface alignment treatment such as rubbing on the resin film. The invention relates to a method for producing an optical laminate comprising a stretched resin film and a polarizing film, the method comprising the steps of: preparing a stretched resin film; applying a solution of a liquid crystal compound in an isotropic phase state to the stretched resin film; and forming a polarizing film in which the liquid crystal compound is aligned by solidifying the applied liquid crystal compound solution, wherein a slow axis of the stretched resin film is substantially parallel to an absorption axis of the polarizing film, and the stretched resin film undergoes no surface alignment treatment.

Method for producing an optical laminate comprising a stretched resin film and a polarizing film using a diluted lyotropic liquid crystal compound solution

A light control device of the present invention includes a first patterning polarizing platecontaining a plurality of polarization regions having different absorption axis directions, a second patterning polarizing platecontaining the same polarization regions as those of the first patterning polarizing plate, and a retardation plate, wherein at least any one of the first and the second patterning polarizing platesis disposed slidably in a plane direction. Such a light control device hardly causes color irregularities and hardly causes a pattern.

Light control device, light control window, and optical laminated body for light control device

The present invention is to provide a polarizing plate including an alignment layer applicable to various types of substrates, and having excellent light polarization properties. A polarizing plateof the present invention includes an alignment layer, and a polarizing layerdisposed on the alignment layer, and containing an organic dye having lyotropic liquid crystallinity, wherein the organic dye in the polarizing, layeris in a form of supramolecular aggregates, and the alignment layercontains a cycloolefin based resin.

Polarizing plate and method for producing polarizing plate

The present invention provides a projection apparatus capable of clearly displaying a projected image, and allowing the sight behind the projected image to be viewed to a sufficient degree. A projection apparatus () of the present invention includes a light irradiation device () configured to emit an output light () having one polarized light component, and a polarizing plate () including a polarizer () irradiated with the output light (), wherein in the polarizing plate (), an absorption axis is arranged to absorb and reflect the output light () by the polarizing plate, reflectance of the polarizing plate () for the output light () is 10% or more, and single transmittance of the polarizing plate () is in the range of 30% to 90%.

Projection apparatus having polarizing plate which absorbes and reflects output light, and vehicle

It is an object of the invention to provide a method for manufacturing a long laminated polarizing plate having a long polarizing coating formed by coating directly on a long retardation film and to provide such a long laminated polarizing plate. The present invention relates to a method for manufacturing a long laminated polarizing plate comprising a long retardation film having a slow axis in its longitudinal direction and a long polarizing coating placed on the retardation film and having an absorption axis or a transmission axis in an in-plane direction at an angle of 25 to 65&#xb0; to the slow axis direction of the long retardation film.

Method for manufacturing long laminated polarizing plate and long laminated polarizing plate

A method for manufacturing a water resistant optically anisotropic film capable of suppressing the generation of a defect such as a crack or separation is provided. The method for manufacturing the water resistant optically anisotropic of the present invention includes a water resistant treatment step of bringing an optically anisotropic film containing an organic dye having an anionic group into contact with a water resistant treatment liquid containing a multivalent cationic compound and a monovalent cationic compound, and the mass ratio of the multivalent cationic compound and the monovalent cationic compound contained in the water resistant treatment liquid, monovalent cationic compound/multivalent cationic compound, is 0.01 to 2.

Growing community of inventors

Ibaraki, Japan

Shoichi Matsuda