Seiko Epson Corporation

Seiko Epson Kabushiki Kaisha

Yoshihiro Ohno

Mitsuro Atobe

Hitoshi Tanbo

Shinichi Yotsuya

Hiroshi Koeda

Fumiaki Matsushima

Shinichi Kamisuki

Kuniyasu Matsui

Shigeyuki Ogino

Hiroshi Kiguchi

Satoru Miyashita

Masahiro Fujii

Keiichi Mukaiyama

Hiroyuki Maruyama

Tadaaki Hagata

Toshiki Nakajima

Taeko Nakano

Tsuyoshi Sunagawa

A laminated, multi-substrate ink jet head and methods creating the same, wherein the ink jet head includes nozzle holes, emitting chambers respectively led to the nozzle holes, diaphragms formed on a wall of the emitting chambers, a common ink cavity for supplying ink to the emitting chambers through orifices and electrodes placed so as to face to the diaphragms so as to drive the diaphragms by static electricity. The lower substrate which forms the electrodes may include a plurality of indentations for mounting the electrode therein to serve as a gap spacing element for respective diaphragm/electrode pairs when the head is assembled. Alternatively, areas immediately beneath the diaphragm may be etched away to expand the vibrating chamber to a predetermined gap distance, or a membrane of a predetermined thickness may interpose the respective diaphragm and electrode substrates.

Method for producing the head of an ink-jet recording apparatus

Ink-jet recording apparatus and method for producing the head thereof

An inkjet head comprising a nozzle, an ink passage in communication with the nozzle, a diaphragm provided at one part of the ink passage, and an electrode provided in opposition to the diaphragm whereby an electrical pulse is applied between the diaphragm and electrode to deform the diaphragm by means of electrostatic force, thereby ejecting ink droplets from the nozzle. The actuator contains at least a vibration chamber formed by the diaphragm and electrode, and is sealed or made airtight with the volume V so that the ratio between the actuator volume V and the volume .DELTA.V eliminated by a distortion of the diaphragm during ink-jet head drive is within the range 2.ltoreq.V/.DELTA.V.ltoreq.8.

Inkjet recording apparatus

A color filter for a liquid crystal display device comprises an optically transparent substrate, a transparent conductive layer formed on the substrate, and a color layer formed on the transparent conductive layer with red, green and blue pixels arranged in a predetermined pattern. The color layer comprises pigments for coloring purpose and transparent conductive particles having a hydrophobic surface. The transparent conductive particles are included from 5% to 50% by volume of the color layer. The color layer may preferably have a specific resistivity of from 10.sup.-1 .OMEGA..multidot.cm to 10.sup.8 .OMEGA..multidot.cm. The transparent conductive particles comprise base transparent conductive particles having a hydrophobic compound bound on their surface by coupling or graft polymerization. A typical process of the color filter production comprises the steps of: (a) forming the transparent conductive layer of a predetermined pattern on the transparent substrate, (b) preparing a micelle colloid dispersion by dispersing a pigment and transparent conductive particles having hydrophobic surface in a medium containing a redox reactive surfactant and an electrolyte, and (c) carrying out an electrolysis in the micelle colloid dispersion by utilizing the transparent conductive layer on the transparent substrate for the anode to deposit the color layer comprising the pigment and the transparent conductive particles on the transparent conductive layer.

Color filter for liquid crystal display device and method for producing

A color filter formed in accordance with the invention is formed by depositing a thin film of organic pigment an on electrode by electrochemical methods. An organic pigment is included in an aqueous micellar solution that includes a surfactant that has redox reactivity. The surfactant preferably has a metallocene such as ferrocene at the hydrophobic terminal end group. A transparent substrate having a transparent electrode thereon is emersed in the micellar solution. Voltage is applied to the transparent electrode and the organic pigment will form on the transparent electrode. Conductive particles, polymer material or conductive polymer material can be included with or on the pigment. Alternatively, the polymer or conductive polymer can be layered.

Color filter and method of preparation

An ink-jet recording apparatus has an ink-jet head with a plurality of nozzle openings, a plurality of independent ejection chambers respectively communicating with the nozzle openings, diaphragms respectively formed in the ejection chambers partly on at least one side wall of each of the ejection chambers, a plurality of driving electrodes for respectively driving the diaphragms, and a common ink cavity for supplying ink to the plurality of ejection chambers. Upon application of electric pulses to the plurality of driving electrodes, the driving electrodes respectively distort the diaphragms by electrostatic force in a direction to increase the pressures in the respective ejection chambers to eject ink drops from the nozzle openings onto recording paper.

Ink-jet recording apparatus

An ink-jet recording apparatus includes an ink-jet head which includes a plurality of nozzle openings, a plurality of independent ejection chambers respectively correspondingly communicatd with the nozzle openings, diaphragms respectively correspondingly formed in the ejection chambers partly on at least one side walls of the ejection chambers, a plurality of driving elements for respectively correspondingly driving the diaphragms, and a common ink cavity for supplying ink to the plurality of ejection chambers, so that upon application of electric pulses to the plurality of driving means, the driving elements respectively correspondingly distort the diaphragms in the direction of increasing the respective pressures in the ejection chambers to eject ink drops from the nozzle openings onto recording paper, wherein the respective driving elements are constituted by electrodes for respectively correspondingly distorting the diaphragms by electrostatic force, the electrodes being formed on a substrate.

Method for producing the head of an ink jet recording apparatus

Method of preparation of a color filter by electrolytic deposition of a

A display panel includes a transparent substrate, a transparent conductive, patterned metallic oxide layer including terminals disposed thereon, an electroless plated metal layer on the terminals and an electroless plated solder layer on the metal layer.

Electroless plated terminals of display panel

A liquid crystal display panel comprising opposed substrates, electrodes on the inside opposed surfaces of said substrates and arranged opposite to each other to sandwich a display layer, a contact media for electrically connecting an electrode on one substrate with an electrode on the other substrate and disposed between said electrodes of said substrates, and a binder between said substrates and fixably engaging said contact media with said electrodes, the diameter of said contact media selected to be substantially the same as the thickness of a liquid crystal cell layer. The contact media comprises a non-conductive core electroless plated with a conducting metal.

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Suwa, Japan

Yoshihiro Ohno