Seiko Epson Corporation

Seiichi Tanabe

Kiyohiko Takemoto

Shunichi Seki

Seiji Mochizuki

Kohei Ishida

Shotaro Watanabe

Nobuo Uotani

Katsura Ito

Makoto Taniguchi

Takumi Sago

Yasunori Yamazaki

Hideyuki Kimura

Toshio Koshikawa

Toshimasa Mori

Kasumi Nakamura

Yoshihiko Machida

Shingo Kuwashiro

An organic EL element with a functional layer including at least a hole injection layer, a hole transport layer, and a luminescence layer laminated from a pixel electrode side in order between a pixel electrode as an anode and a counter electrode as a cathode, and a method of manufacturing the organic EL element has a forming process by applying a solution including a low molecular material and a high molecular material to at least one layer among the hole injection layer, the hole transport layer, and luminescence layer, in which the molecular weight of low molecular material is 10,000 or less and the molecular weight of high molecular material is 10,000 to 300,000, and in which a mixing ratio of low molecular material is 10 wt % to 90 wt % with respect to the weight of low molecular material and high molecular material included in the solution.

Method of manufacturing organic EL element, organic EL element, organic EL apparatus, and electronic device

An electrooptical apparatus includes a light emission element array in which a plurality of light emission elements are arranged, and a barrier rib which surrounds the light emission element array.

Electrooptical apparatus and method of manufacturing electrooptical apparatus

To provide a composition in which the viscosity is hardly changed with the passage of time and an organic conductive layer including the composition in order to planarize the surface of a layer formed by an inkjet process and in order to stabilize the properties, a composition contains an organic conductive material and at least one solvent, wherein the changing rate of the viscosity thereof is within a range of &#xb1;5% when 30 days have passed after the preparation. The solvent preferably contains a glycol medium. An organic conductive layer includes the composition having the above configuration.

Composition, organic conductive layer including composition, method for manufacturing organic conductive layers, organic EL element including organic conductive layer, method for manufacturing organic EL elements semiconductor element including organic conductive layer, method for manufacturing semiconductor elements, electronic device, and electronic apparatus

A titanium dioxide slurry for ink jet ink, which comprises water and surface-treated titanium dioxide particles dispersed in the water, the surface treatment being a treatment with an inorganic phosphoric acid compound. Also disclosed is an ink comprising the titanium dioxide slurry.

Ink jet white ink and titanium dioxide slurry therefor

The invention provides ink which is best suited for inkjet printing of a printed substrate. The ink is a photo polymerizing type water-base ink including at least a colorant, a photo polymerization resin, a photo initiator, and a water-base solvent. The photo polymerization resin includes oligomer particles in an emulsion state and monomers which reside in the oligomer particles. The water-base ink contains, with content ratio in terms of the percentage weight, 5% of ethyleneglycol, and between 0.1% to 10% of 2-pyrrolidone and N-acryloyl morpholine combined.

Water-base ink, method of manufacturing the ink, and method of printing using the ink

Disclosed is a photocurable ink composition for use in an ink jet recording method wherein an ink composition is brought into contact with a recording medium followed by a photocuring reaction to perform printing. The photocurable ink composition can offer good coating strength, chemical resistance, dispersion stability, and printing stability. This photocurable ink composition comprises at least a colorant, a urethane oligomer, a monomer having a tri- or higher functional reactive group, a photopolymerization initiator, and an aqueous solvent. After printing the photocurable ink composition, ultraviolet light is applied to cure the print. The colorant is preferably anatase titanium dioxide.

Photocurable ink composition for ink jet recording and ink jet recording method using the same

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Shiojiri, Japan

Seiichi Tanabe