Toray Industries, Inc.

Director-general of Agency of Industrial Science and Technology

Director-general of the Agency of Industrial Science and Technology

Jun Tsukamoto

Akio Takahashi

Kiichiro Matsumura

Daisuke Kitazawa

Yukari Jo

Seiichiro Murase

Junji Mata

Shuhei Yamamoto

Keizo Ono

Tetsuo Yamashita

Tatsuhiko Suzuki

Naoki Shimoyama

Takenori Fujiwara

Masuichi Eguchi

Katsumi Yamasaki

Masayuki Kidai

Keijiro Takanishi

Yuka Yamashiki

Hideo Saruyama

Hiroki Sekiguchi

Takuo Watanabe

Yoshio Matsuda

Isamu Sakuma

Takeji Nakae

Takeharu Inoue

Nobuhiro Watanabe

Mikio Nii

Naoki Iwasaki

To provide a gate insulating material which has high chemical resistance, is superior in coatability of a resist and an organic semiconductor coating liquid, and has small hysteresis, a gate insulating film and an FET using the same by a polysiloxane having an epoxy group-containing silane compound as a copolymerization component. A gate insulating material containing a polysiloxane having, as copolymerization components, at least a silane compound represented by the general formula (1):RSi(OR)&#x2003;&#x2003;(1),

Gate insulating material, gate insulating film and organic field-effect transistor

A substrate with a transparent conductive layer includes a transparent supporting substrate, a thermosetting resin layer containing 50% by weight or more of a melamine resin, and a carbon nanotube conductive layer in this order, wherein a value of linearity of resistance of the carbon nanotube conductive layer is 1.5% or less.

Substrate with transparent conductive layer and method for producing the same, and touch panel using the same

An electron donating organic material includes a benzothiadiazole compound including (a) a benzothiadiazole skeleton and (b) an oligothiophene skeleton, and having a band gap (Eg) of 1.8 eV or less, and a level of highest occupied molecular orbital (HOMO) of &#x2212;4.8 eV or less, wherein said benzothiadiazole compound is formed by covalently combining the benzothiadiazole skeleton and the oligothiophene skeleton alternately, a proportion between the benzothiadiazole skeleton and the oligothiophene skeleton is within a range of 1:1 to 1:2 (however, excluding 1:1), and the number of thiophene rings contained in an oligothiophene skeleton is 3 or more and 12 or less.

Electron donating material, material for photovoltaic devices and photovoltaic device

A carbon nanotube composite in which a conjugated polymer containing repeating units containing a fused heteroaryl unit having a nitrogen-containing double bond in the ring, and a thiophene unit is attached to at least a part of the surface of a carbon nanotube. The present invention reduces the hysteresis of a field-effect transistor having a semiconductor layer containing a carbon nanotube.

Carbon nanotube composite, organic semiconductor composite, and field-effect transistor

A photovoltaic device has a high photoelectric conversion efficiency with a material for a photovoltaic device including an electron donating organic material having a structure represented by Formula (1): 

Material for photovoltaic device, and photovoltaic device

The present invention provides an organic semiconductor composite containing a certain thiophene compound and carbon nanotubes, which can be formed into a film by a coating process such as an inkjet process, has high charge mobility and can maintain a high on/off ratio even in air, an organic transistor material and an organic field effect transistor.

Organic semiconductor composite, organic transistor material and organic field effect transistor

A photovoltaic device with high photoelectric conversion efficiency includes an electron donating organic material for photovoltaic devices containing a conjugated polymer represented by formula (1): wherein Rto Rmay be the same or different from each other and are each selected from the group consisting of hydrogen, an alkyl group, an alkoxy group and an aryl group; Rand Rmay be the same or different from each other and are each selected from the group consisting of hydrogen, an alkyl group, an aryl group, a heteroaryl group and halogen; W, X, Y and Z may be the same or different from each other and are each selected from the group consisting of a single bond, an arylene group, a heteroarylene group, an ethenylene group, and an ethynylene group; m is 0 or 1; n is within a range of 1 to 1000.

Electron donating organic material for photovoltaic devices, material for photovoltaic devices, and photovoltaic device

The present invention relates to an organic semiconductor material in which carbon nanotubes are dispersed in a conjugated polymer, and the weight fraction of the carbon nanotubes is 3 percent or less relative to the conjugated polymer. According to the present invention, an organic semiconductor material having a high carrier mobility can be supplied industrially. Furthermore, high-performance organic semiconductor devices, e.g., organic thin film transistor devices and organic photovoltaic devices, can be provided.

Organic semiconductor material and organic semiconductor element employing the same including carbon nanotubes

By preparing a color filter including blue dots whose chromaticity coordinates (z, Z) in the XYZ colorimetric system, measured with CIE standard light source C, satisfy the relational expressions 114&#x3e;Z&#x3e;&#x2212;1087023z+3205105z&#x2212;3545958z+1744329z&#x2212;321773 and 0.73&#x2266;z&#x2266;0.81, a color filter exhibiting an excellent color reproducibility and a high transmittance can be realized and thus a liquid crystal display device capable of displaying as colorful images as in CRT television sets can be achieved.

Color filter and liquid crystal display device

An object of the present invention is to provide a liquid crystal display exhibiting excellent display performance. The object of the present invention is achieved by a colored polymer thin film having an average refractive index of 1.60 to 1.90, and an absolute value of birefringence of 0.01 or less, and a color filter and a liquid crystal display using the colored polymer thin film. The color filter using the colored polymer thin film of the present invention exhibits reduced retardation, and can thus provide a liquid crystal display exhibiting excellent display performance.

Color filter and liquid crystal display

An amorphous carbon material, especially for an electrode of a lithium ion secondary battery, is characterized by an interlayer spacing d(002), obtained from the X-ray diffraction line assigned to the (002) plane of the carbon, of 0.345 nm to 0.365 nm, a ratio (Ps) os the number of carbon atoms involved in the layer structure to the total number of carbon atoms of from 0.54 to 0.85, and a ratio of the total nitrogen:total carbon atoms in the amorphous carbon of 0.005:1 to 0.055:1. The amorphous carbon material is prepared by applying a heat treatment to an amorphous carbon under under vacuum or inert gas atmosphere for at least 30 minutes to provide the desired crystalline structure. The carbon material may take the form of carbon fiber material, especially short carbon fibers obtained by pulverizing larger carbon fibers. A lithium ion secondary battery containing an electrode comprising such an amorphous carbon material has a large discharge capacity and high charge-discharge cycle characteristics.

Amorphous carbon electrode and a secondary battery having such an

A cathode material for a lithium ion secondary battery comprises a compound of the formula

Growing community of inventors

Shiga, Japan

Jun Tsukamoto