Seiko Epson Corporation

Kabushiki Kaisha Suwa Seikosha

Cambridge Display Technology Limited

Seiko Epson Kabushiki Kaisha

Nippon Shokubai Co., Ltd.

Sadao Kanbe

Tatsuya Shimoda

Hiroshi Kiguchi

Satoru Miyashita

Shunichi Seki

Haruo Osafune

Ichio Yudasaka

Wakao Miyazawa

Yoshitaka Itoh

Tetsuhiko Takeuchi

Masanobu Motoki

Motoyuki Toki

Nobutaka Matsuo

Makoto Matsumoto

Hitoshi Fukushima

Mitsuo Kushino

Hideyuki Kawai

Katsumori Takei

Yoshio Shionozaki

Masahisa Ikejiri

Teiichiro Mori

Takao Nishikawa

Yoshio Yamazaki

Masaru Kojima

Syunichi Seki

Hirohito Kitabayashi

Toshihiro Suzuki

Disclosed are compositions, useful in ink jet printing methods, that prevent clogging during dispensing, achieve stable dispensing, prevent precipitating of content matter during dispensing, and prevent phase separation during film formation. Also disclosed are uniform, homogenous, functional films formed using the compositions and manufacturing methods therefor, as well as organic EL devices and other such display devices and manufacturing methods therefor. The compositions contain a functional material and a solvent comprising at least one benzene derivative having one or more substituents, whereby the substituents have at least three carbon atoms in total.

Composition, film manufacturing method, as well as functional device and manufacturing method therefor

A method of manufacturing an organic EL element according to the present invention comprises the steps of forming pixel electrodes (), (), () on a transparent substrate' () and forming on the pixel electrodes by patterning luminescent layers (), (), () made of an organic compound by means of an ink-jet method. According to this method, it is possible to carry out a high precise patterning easily and in a short time, thereby enabling to carry out optimization for a film design and luminescent characteristic easily as well as making it easy to adjust a luminous efficiency.

Organic EL display device having a bank formed to fill spaces between pixel electrodes

Disclosed are compositions, useful in ink jet printing methods, that prevent clogging during dispensing, achieve stable dispensing, prevent precipitation of content matter during dispensing, and prevent phase separation during film formation. Also disclosed are uniform, homogenous, functional films formed using the compositions and manufacturing methods therefor, as well as organic EL devices and other such display devices and manufacturing methods therefor. The compositions contain a functional material and a solvent comprising at least one benzene derivative having one or more substituents, whereby the substituents have at least three carbon atoms in total.

The present invention provides: a microcapsule composition for electrophoretic displays; a production process for the microcapsule composition for the electrophoretic displays; a production process for a sheet for the electrophoretic displays; and a handling method for microcapsules for the electrophoretic displays; wherein the microcapsule composition contains microcapsules and, when used for the electrophoretic displays, can make them as excellent as conventional in various performances (e.g. longtime stability of displaying, respondability of displaying, contrast, and number of times of display rewritability) and, particularly above all, can make the electrophoretic displays exhibit a very high performance as to the contrast. The present invention composition is a composition used for preparation of a coating liquid and comprises an aqueous medium and microcapsules for the electrophoretic displays, wherein the microcapsules include a shell and a dispersion that is capsuled in the shell, wherein the dispersion includes a solvent and electrophoretic fine particles that are dispersed in the solvent; with the composition being characterized by: being a product as obtained without involving the step of drying the microcapsules; and having a microcapsule content of 30 to 80 weight %.

Microcapsule composition for electrophoretic displays

A method of manufacturing an electrophoretic display sheet, comprising: forming a wall material on a first substrate, the wall material defining a disposing region; disposing a plurality of microcapsules to the disposing region, each of the plurality of microcapsules including an electrophoretic dispersion liquid in a shell; and arranging at least a part of the plurality of microcapsules on the disposing region by rubbing the wall material with a plate to sweep the plurality of microcapsules.

Manufacturing method of electrophoretic display sheet, manufacturing method of electrophoretic display device, electrophoretic display device, and electronic apparatus

A method for making an electrophoretic solution includes: including two kinds of particles having different charging polarities into the electrophoretic solution; calculating a mixing ratio so that charge amounts of the two kinds of particles become approximately equal to each other on a basis of a unit volume of a dispersion medium; and mixing the two kinds of particles in each mixed quantity that satisfies the calculated mixing ratio.

Dispersion, microcapsule, electrophoretic device, electro-optical device, and method of forming a dispersion

A microcapsule includes an electrophoretic dispersion liquid including at least one kind of electrophoretic particle having a polarity, and a capsule body encapsulating the electrophoretic dispersion liquid and made of a polymeric material including one of a nonpolar resin without having a polarity and a resin material having a nonpolar group without having a polarity as a side chain.

Microcapsule, electrophoretic display sheet, electrophoretic display device, and electronic apparatus

A method of manufacturing an organic EL element according to the present invention comprises the steps of forming pixel electrodes (), (), () on a transparent substrate () and forming on the pixel electrodes by patterning luminescent layers (), (), () made of an organic compound by means of an ink-jet method. According to this method, it is possible to carry out a high precise patterning easily and in a short time, thereby enabling to carry out optimization for a film design and luminescent characteristic easily as well as making it easy to adjust a luminous efficiency.

Method of manufacturing organic EL element, organic EL element and organic EL display device

A mixture of a first material having high chemical affinity for the electrophoretic particlesand a second material having low chemical affinity therefor is used as a binder for fixing microcapsulesbetween a first electrodeand a second electrode

Electrophoretic apparatus and electronic equipment

Titania particles including charged particles that are used in an electrophoretic device, wherein surfaces of the particles are finished using a surface finishing agent containing a composition having a single reactive group so that the composition bonds to the particles at the reactive group of the composition.

Charged particle, microcapsule, electrophoretic device, electro-optical device, and method of forming a microcapsule

A method of manufacturing an electrophoretic display sheet that includes: applying a mixture of a plurality of microcapsules and a binder on a substrate, the substrate having a first contact angle &#x3b8;between a reference liquid, each of the microcapsules having a second contact angle &#x3b8;between the reference liquid, the binder having a third contact angle &#x3b8;between the reference liquid, the &#x3b8;the &#x3b8;and the &#x3b8;having a relationship of &#x3b8;and evaporating the mixture to form an electrophoretic layer on the substrate, the electrophoretic layer including the plurality of the microcapsules.

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Suwa, Japan

Sadao Kanbe