Seiko Epson Corporation

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3m Innovative Properties Company

Hiroshi Kiguchi

Tatsuya Shimoda

Satoru Katagami

Satoru Miyashita

Hisashi Aruga

Masaharu Shimizu

Sadao Kanbe

Tomomi Kawase

Shunichi Seki

Mutsumi Kimura

Ichio Yudasaka

Hitoshi Fukushima

Hiroo Miyajima

Hidekazu Kobayashi

Takao Nishikawa

Tatsuya Ito

Masaru Kojima

Keiji Takizawa

Hironori Hasei

Satoshi Nebashi

Mitsuru Kuribayashi

Kazumi Aruga

Natsuo Fujimori

Tadaaki Kuno

Toshimitsu Hirai

Shoichi Uchiyama

Masaya Shibatani

Masaru Iwasawa

Yoji Tsukamoto

Toshio Nakamura

Hirotsuna Miura

Masahiro Furusawa

Hiroshi Takiguchi

Tsuyoshi Watanabe

Atsushi Takakuwa

Yoshiaki Yamada

Taku Aoyama

Akihiro Shintani

Hidekazu Moriyama

Toshiaki Mikoshiba

Fumiaki Matsushima

Toshihiro Ushiyama

Yoshihiro Ohno

Mitsuhiro Isobe

Yutaka Takano

Kuniyasu Matsui

Toshiki Nakajima

Nobuko Okada

Shigeyuki Ogino

Syunichi Seki

Hisasi Sakurada

Kunio Kageyama

Taeko Nakano

Tsuyoshi Sunagawa

Sunichi Seki

A method of manufacturing an electroluminescent display apparatus includes: discharging first droplets of the fluid luminescent material from the first nozzles to the target discharge areas when the first nozzles are positioned in an area above the target discharge areas so that all of the first droplets are arranged in the target discharge areas on different X-axis direction positions so as not to overlap each other when viewed in the Y-axis direction; and discharging second droplets of fluid luminescent material from the second nozzles to the target discharge areas to which the first droplets have been discharged when the second nozzles are positioned in the area above the target discharge areas after a predetermined period of time passed since the discharge of the first droplets to the target discharge areas.

Manufacturing method for electroluminescence display 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.

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

An object of the invention is to improve patterning accuracy while maintaining low cost, high throughput and a high degree of freedom of an optical material in a matrix type display device and a manufacturing method thereof. In order to achieve the object, a difference in height, a desired distribution of liquid repellency and affinity to liquid, or a desired potential distribution is formed by utilizing first bus lines in a passive matrix type display device or utilizing scanning lines, signal lines, common current supply lines, pixel electrodes, an interlevel insulation film, or a light shielding layer in an active matrix type display device. A liquid optical material is selectively coated at predetermined positions by utilizing the difference in height, the desired distribution of liquid repellency and affinity to liquid, or the desired potential distribution.

Matrix type display device with optical material at predetermined positions and manufacturing method thereof

Matrix type display device and manufacturing method thereof

A color filter ink according to the first aspect is adapted to be used to manufacture a color filter by an inkjet method, the color filter ink comprising. The color filter ink includes a pigment, a solvent, a dispersing agent and a curable resin material. The dispersing agent includes an acid-value dispersing agent with a predetermined acid value and an amine-value dispersing agent with a predetermined amine value. The curable resin material includes a first polymer and a second polymer. The first polymer includes at least a first epoxy-containing vinyl monomer as a monomer component. The second polymer includes at least an alkoxysilyl-containing vinyl monomer represented by a prescribed chemical formula as a monomer component.

Color filter ink, color filter, image display device, and electronic device

A color filter ink set is adapted to be used to manufacture a color filter by an inkjet method. The color filter ink set includes a plurality of inks with each of the inks including a colorant and a liquid medium that disperses and/or dissolves the colorant. The inks include a green ink having C. I. Pigment Green 58 and a substance represented by a prescribed chemical formula. A viscosity at 25&#xb0; C. of the liquid medium of the green ink is lower than a viscosity at 25&#xb0; C. of the liquid medium of the ink other than the green ink. A difference (&#x3b7;&#x2212;&#x3b7;) between a viscosity (&#x3b7;(mPa&#xb7;s)) of the ink having the highest viscosity among the inks at 25&#xb0; C. and a viscosity (&#x3b7;(mPa&#xb7;s)) of the ink having the lowest viscosity among the inks at 25&#xb0; C. is 1.0 mPa&#xb7;s or less.

Color filter ink set, color filter, image display device, and electronic device

A stage on which a substrate having target discharge areas is placed moves relative to a discharge head unit. When at least one of a plurality of first discharge nozzles of the discharge head unit reaches one of the target discharge areas, the first nozzle discharges a first droplet of fluid material to the target discharge area. When one of a plurality of second nozzles of the discharge head unit reaches the target discharge area to which the first droplet has been discharged, the second nozzle discharges a second droplet of the fluid material to the target discharge area. A first nozzle row of the first nozzles and a second nozzle row of the second nozzles are separated by a predetermined distance in a direction of the relative movement of the stage and the discharge head unit.

Material application method

Display devices such as EL elements or LED elements, are formed from thin film elements having banks of prescribed height and a thin film layer formed by an ink jet method in areas to be coated that are partitioned by those banks. The banks may be formed of an organic material on a bank formation surface configured of an inorganic material, plasma treatment is performed under conditions that the induction gas is fluorine-based and that fluorine is present excessively, and the areas enclosed by the banks subjected to surface treatment are filled with the liquid thin film material to form the thin film layer or layers.

Method of forming thin film patterning substrate including formation of banks

The present invention provides a system which shortens the scanning time with an ink jet head for forming a pattern of filter elements of a color filter, picture element pixels of an electroluminescence (EL) device, or the like. An apparatus for producing a color filter can include a plurality of filter elements arranged on a substrate. The apparatus can further include a plurality of heads each having a nozzle row having a plurality of nozzles arranged, an ink supply device for supplying a filter element material to the heads, a carriage supporting the heads arranged thereon, a main scanning driving device for moving the carriage by main scanning in the X direction, and a sub-scanning driving device for moving the carriage by sub-scanning in the Y direction. The carriage supports the plurality of heads each of which is inclined at an in-plane inclination angle &#x3b8;.

Apparatus and method for producing color filters by discharging material

A donor sheet for transferring an image pattern to an image receiving element by a thermal imaging process using laser beam, comprising a base having formed in order on the base a light-to-heat conversion layer, and a transfer layer containing an image component which is melted by heating due to an action of the light-to-heat conversion layer and transferred to the image receiving element in a patterned form, in which the image component of the transfer layer contains an ink-repellent or solvent-repellent compound in an optimized amount. Using the donor sheet, it becomes possible to produce an separation member such as partition pattern and black matrix of a color filter by a shortened manufacturing step with ease and accuracy at high contrast, and can impart excellent ink repellency to the separation member.

Donor sheet, color filter, organic EL element and method for producing them

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

The color filter of the present invention comprises ink films colored by ink dropsinside openingsenclosed by banksdemarcated and formed on a substrate. The bankshave a laminar structure comprising a metal filmand a photosensitive organic thin filmfrom the substrateside. The inks should contain a solvent having a high boiling point. The bank layer may also be configured so that the peripheral edges of the bottom surface thereof are positioned inside from the peripheral edges of the light blocking layers, so that the light blocking layers have exposed surfaces on the upper surface thereof where the bank layer is not superimposed. Thus color filters can be provided which exhibit outstanding contrast without coloring irregularities.

Color filter and manufacturing method therefor

The invention makes uniform, in a plane, optical properties of optical members, such as the distribution properties of light transmission of a color filter, the color display properties of a liquid crystal device, and the light emission properties of an EL luminescent plane. During main scanning of color filter formation areas of a board in the X direction with an ink jet head having a nozzle row formed of a plurality of nozzles arranged in a row, a filter material is selectively discharged from the plurality of the nozzles to each of filer element areas arranged in a dot matrix to form filter elements, producing a color filter. First, the nozzle row is moved to positions 'a' and 'b' by main scanning in the X direction to enhance wettability of the surface of the areas and then main scanning is executed at each of the positions while successively moving the nozzle row to positions &#x201c;c&#x201d; through &#x201c;k&#x201d; by sub-scanning, thereby repeatedly discharging ink in the same portion of the areas.

Method and apparatus for producing color filter, method and apparatus for manufacturing liquid crystal device, method and apparatus for manufacturing EL device, method of discharging material, apparatus for controlling head and electronic apparatus

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Suwa, Japan

Hiroshi Kiguchi