Dai Nippon Printing Co., Ltd.

Asahi Kogaku Kogyo Kabushiki Kaisha

Kiyoshi Itoh

Yoko Kinoshita

Gen Furui

Yukimitsu Iwata

Takashi Kodama

Yoshihiro Kobayashi

Mariko Hayashi

Masataka Nakashima

Yukiyasu Nishikawa

Shuji Hoshika

Ikuzo Okamoto

Kiyotaka Matsui

Teruo Sakai

Sanae Yoshida

Tetuo Kamoshita

Satoshi Suzuki

Shinichi Suzuki

Junji Kido

Masato Hara

Daigo Aoki

Tomoyuki Horio

Norihito Ito

Koji Tsuda

Tomoyuki Tachikawa

Yasuhiro Iizumi

Hironobu Nagashima

Masaaki Niiho

Norihito Itoh

Takuo Itagaki

Osamu Shindow

Harumi Kawasaki

Hideyuki Ishiai

Kimihisa Yamamoto

Jun-Sang Cho

Atsushi Kimoto

Yuzo Noguchi

The present invention provides an optical layered body having a good antistatic performance and good optical properties as well as an excellent durability. The present invention provides an optical layered body, comprising: an antistatic layer on a light-transmitting substrate, wherein the antistatic layer is a resin thin film layer containing at least an organic conductive material and a nonconductive polymeric material which is a resin having a glass transition temperature of 60&#xb0; C. or higher or a resin obtainable by a reaction between a resin having a glass transition temperature of 60&#xb0; C. or higher and a cross-linking agent.

Optical layered body, polarizer and image display device

In view of the above state of the art, it is an object of the present invention to provide an optical layered body which can prevent the agglomeration of silica particles and form the desired surface roughness on the surface. An optical layered body comprising a light-transmitting substrate and an antiglare layer having a surface roughness on its surface,

Optical layered body including an antiglare layer containing organic particles and nonspherical silica particles

An optical layered body wherein the additive amount of the antistatic agent can be reduced leading to a cost reduction while achieving high antistatic property simply and at a low cost. An optical layered body including an optical layered body comprising a light-transmitting substrate and at least a hard coat layer and a low refractive index layer, firmed on the light-transmitting substrate, wherein 1) the low refractive index layer is formed on the outermost surface, and 2) the low refractive index layer contains an antistatic agent.

Optical layered body, polarizer, and image display device

The present invention provides a quantitative evaluation method of fouling of antifouling properties, a fouling evaluation apparatus, and a production method of optical members, which can be applied to various members, and haves high reproducibility and enable to detect a subtle difference between fouling, and an optical layered body having a property of preventing fingerprints from adhering, an anti-contamination property and a degree of recovery from fouling, and a display product including the optical layered body. The present invention pertains to an evaluation method of fouling, wherein light is radiated to a test sample and scattered light reflected off or passing through the test sample is detected to evaluate a degree of fouling of the surface of the test sample.

Evaluation method of fouling, fouling evaluation apparatus, production method of optical member, optical layered body, and display product

To provide an optical laminate that can sufficiently exhibit the function of a functional material such as an antistatic agent or fine particles in the obtained laminate without using a binder material for fixing the functional material to the substrate, as well as a method for manufacturing the same, there is obtained the optical laminate by step (A1) in which the substrate is coated with a composition (a) containing a solvent capable of swelling or dissolving the substrate and the functional material, step (A2) of drying, and step (A3) of forming a resin layer on the coated substrate.

Method of manufacturing optical laminate

The present disclosure provides a conductive pattern formed body with a conductive pattern formed efficiently and highly precisely in a simple process, a conductivity variable laminated body used for formation of the conductive pattern, and the like. The disclosure provides a conductivity variable composition characterized by containing insulating particle including a conductive inorganic material and an organic material adhered on the circumference of the conductive inorganic material, and a photocatalyst.

Conductivity variable composition, conductivity variable laminated body, and conductive pattern formed body

The present invention provides a thiophene derivative useful for a material for forming an organic positive hole transport layer of an organic EL element excellent in light emitting efficiency, water resistance or the like, a polymer having the thiophene derivative as a monomer unit, and an organic EL element. The object can be solved by a thiophene derivative represented by the following formula (1), a polymer comprising the thiophene derivative, and an organic EL element, an organic positive hole transporting layer of which comprises the polymer: wherein, each 'X' is a halogen atom, which may be same or different from each other; and 'R' is an alkyl group.

Thiophene derivative and organic electroluminescent element

An optical layered body having an excellent antistatic property and adhesion is provided. An optical layered body is provided that comprises an antistatic layer and a hard coat layer formed in sequence on a light transmitting substrate, wherein in the cross-sectional appearance of the layered body, the cross-section phase of the hard coat layer exists in the region of the light transmitting substrate via the antistatic layer from the hard coat layer.

Optical layered body and method for producing optical layered body

A main object of the present invention is to provide an organic EL element having members such as an organic EL layer formed highly precisely in a pattern with preferable light emission characteristic of the organic EL layer, and a photocatalyst containing coating solution to be used for the production thereof. To achieve the object, the present invention provides an organic electroluminescent element comprising: a substrate; a first electrode layer formed on the substrate; an organic electroluminescent layer formed on the first electrode layer; and a second electrode layer formed on the organic electroluminescent layer, wherein a photocatalyst containing layer containing a photocatalyst, a characteristic providing agent, and a light emission characteristic improving material having the function of improving the activation of the photocatalyst and the light emission characteristic of the organic electroluminescent layer so as to have the characteristic of the characteristic providing agent changed by the action of the photocatalyst accompanied by the energy irradiation is formed at any position between the substrate and the second electrode layer; and the light emission characteristic improving material is a silver salt of a fluorine or an acid selected from the group consisting of carboxylic acids, sulfonic acids, sulfinic acids, phenols, enols, thiophenols, imides, oximes, primary or secondary nitro compounds, clathrate compounds, a chloric acid and a perchloric acid.

Organic electroluminescent element and photocatalyst containing coating solution for organic electroluminescent element

An organic EL device capable of being produced by a wet film forming method in which all processes can be conducted consistently under an inert atmosphere for efficiently forming a predetermined pattern without using any aqueous or acidic material. The device includes an organic layer between an anode and a cathode, the anode and the cathode facing each other, and the organic layer containing at least a light emitting layer. At least one layer composing the organic layer is a cured film having a predetermined pattern and containing a cured dendrimer material having one or more photoreactive functional groups at the ends thereof. The organic electroluminescent device is produced by: forming a dendrimer material layer, as at least one layer composing the organic layer, from a coating liquid containing a dendrimer material having one or more photoreactive functional groups at the ends thereof and an organic solvent; and pattern-exposing the dendrimer material layer.

Organic electroluminescent device and method for producing the same

It is an object of the present invention to provide an improved optical layered body with reduced scintillation, gloss blackness, color effects and interference fringes, while maintaining antistatic and antiglare performance. The optical layered body comprises, in order, an antistatic layer, an antiglare layer and a low refractive index layer on a light-transmitting substrate,

The main object of the present invention is to provide a photocatalyst composition and a photocatalyst containing layer showing a high activity in a short period of time, and a pattern formed body using the photocatalyst containing layer. To attain the object, the invention provides a photocatalyst composition containing at least a photocatalyst, characterized by including a portion with the signal intensity of the electron spin resonance spectrum derived from the hydroxy radical increased to 1,000 times or more in 1 second within 600 seconds of the start of the ultraviolet ray irradiation at the time of measuring the electron spin resonance spectrum while irradiating the ultraviolet ray.

Photocatalyst composition and photocatalyst containing layer

In a production process of a thin film laminate for constituting an organic EL element or the like, a thin film laminate is provided in which no water stays in a thin film formed of a hydrophilic material and, thus, the function of other thin films overlying the surface of the thin film, such as a luminescent layer, is not deteriorated. The thin film laminate comprises: a substrate; and, provided on the substrate in the following order, a first thin film and a second thin film. The first thin film is formed of a hydrophilic organic material. The hydrophilic organic material has hydrophilic groups which have been converted to lipophilic group. The lipophilic groups are partially or wholly returned to hydrophilic groups upon exposure to heat energy or a radiation. The second thin film is formed of a lipophilic organic material.

Growing community of inventors

Tokyo, Japan

Kiyoshi Itoh