Patents by Inventor Soichi Moriya

Soichi Moriya has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9921452
    Abstract: The electrophoretic display device includes an element substrate (first substrate), a counter substrate (second substrate) being disposed opposite to the element substrate, a partition being disposed between the element substrate and the counter substrate, and a dispersion liquid containing electrophoretic particles and the dispersion medium, which is disposed in a cell (space) defined by the partition. Further, a pixel electrodes (first electrode) is disposed on the dispersion liquid side of the element substrate, a common electrode (second electrode) is disposed on the dispersion liquid side of the counter substrate, the electrophoretic display device includes a coating layer on a surface in contact with the dispersion liquid in at least one electrode side of the pixel electrode and the common electrode, and the contact angle to water of the coating layer is not less than 60°.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: March 20, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Kiyoshi Nakamura, Kei Kamakura, Soichi Moriya, Toru Katakabe
  • Publication number: 20170068145
    Abstract: The electrophoretic display device includes an element substrate (first substrate), a counter substrate (second substrate) being disposed opposite to the element substrate, a partition being disposed between the element substrate and the counter substrate, and a dispersion liquid containing electrophoretic particles and the dispersion medium, which is disposed in a cell (space) defined by the partition. Further, a pixel electrodes (first electrode) is disposed on the dispersion liquid side of the element substrate, a common electrode (second electrode) is disposed on the dispersion liquid side of the counter substrate, the electrophoretic display device includes a coating layer on a surface in contact with the dispersion liquid in at least one electrode side of the pixel electrode and the common electrode, and the contact angle to water of the coating layer is not less than 60°.
    Type: Application
    Filed: September 2, 2016
    Publication date: March 9, 2017
    Inventors: Kiyoshi Nakamura, Kei Kamakura, Soichi Moriya, Toru Katakabe
  • Patent number: 9484538
    Abstract: A manufacturing method of an organic semiconductor film according to the invention includes applying a liquid composition in which an organic semiconductor material is dissolved or dispersed in a first solvent onto a base material in a predetermined pattern, applying a second solvent in which solubility of the organic semiconductor material is lower than that in the first solvent onto a region of the base material having the liquid composition applied thereto, and removing the second solvent.
    Type: Grant
    Filed: February 23, 2015
    Date of Patent: November 1, 2016
    Assignee: Seiko Epson Corporation
    Inventor: Soichi Moriya
  • Publication number: 20150249216
    Abstract: A manufacturing method of an organic semiconductor film according to the invention includes applying a liquid composition in which an organic semiconductor material is dissolved or dispersed in a first solvent onto a base material in a predetermined pattern, applying a second solvent in which solubility of the organic semiconductor material is lower than that in the first solvent onto a region of the base material having the liquid composition applied thereto, and removing the second solvent.
    Type: Application
    Filed: February 23, 2015
    Publication date: September 3, 2015
    Inventor: Soichi Moriya
  • Patent number: 8928575
    Abstract: An electrophoretic display device includes a common electrode, pixel electrodes, and a disperse system of electrophoretic particles. A transistor supplies one of the pixel electrodes with a first potential or a second potential higher than the first potential. During a first period, a control portion supplies a third potential to the gate electrode to turn on the transistor, supplies the first potential to a signal line or the common electrode, and supplies the second potential to the other line. During a second period, the control portion supplies a fourth potential higher than the third potential to the gate electrode to turn off the transistor, and supplies the first potential to both the signal line and the common electrode so that the pixel electrode potential substantially reaches the common electrode potential. The third potential is lower than the second potential and the fourth potential is higher than the first potential.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: January 6, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Soichi Moriya, Tsutomu Miyamoto
  • Patent number: 8450739
    Abstract: An electrooptical device substrate, contains: a first insulating film provided on a substrate; two or more pixels; a first concave portion provided in the first insulating film over the two or more pixels; a second concave portion provided on the bottom surface of the first concave portion; a thin film transistor containing an organic semiconductor layer provided in the second concave portion, a gate insulating film provided on the organic semiconductor layer, and a gate electrode provided on the gate insulating film and being matched to one pixel among the two or more pixels; a scanning line which is provided at an upper side with respect to the gate insulating film and provided in the first concave portion over the two or more pixels; and a data line electrically connected to the thin film transistor.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: May 28, 2013
    Assignee: Seiko Epson Corporation
    Inventor: Soichi Moriya
  • Patent number: 8120740
    Abstract: A method for producing an active-matrix substrate including a board, pixels, thin-film transistors that switch the pixels, and source lines and gate lines electrically connected to the thin-film transistors includes forming a conduction portion that provides electrical connection between the source lines and the gate lines using an organic conductive material at the same time as forming either the source lines or the gate lines; and breaking the electrical connection provided by the conduction portion.
    Type: Grant
    Filed: April 24, 2008
    Date of Patent: February 21, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Soichi Moriya, Takeo Kawase, Tsutomu Miyamoto, Kiyoshi Nakamura
  • Patent number: 8049210
    Abstract: Provided is a thin film transistor including a substrate, a source electrode and a drain electrode disposed above the substrate so as to oppose each other, an organic semiconductor film disposed between the source electrode and the drain electrode to generate a channel region, and a gate electrode disposed opposite the organic semiconductor film via a gate insulating film. The gate electrode includes an aperture in the channel region.
    Type: Grant
    Filed: January 20, 2009
    Date of Patent: November 1, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Aoki, Soichi Moriya
  • Patent number: 8008660
    Abstract: A display apparatus includes a substrate; a display area including a plurality of pixels provided on the substrate; a switching element provided for each of the pixels, the switching element including a first semiconductor layer formed of a first organic semiconductor; and a humidity sensor provided on the substrate and outside the display area. The humidity sensor includes, as a humidity sensitive layer, a second semiconductor layer formed of a second organic semiconductor having a correlation in terms of electric characteristics with the first organic semiconductor.
    Type: Grant
    Filed: December 15, 2008
    Date of Patent: August 30, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Kiyoshi Nakamura, Soichi Moriya
  • Patent number: 7999786
    Abstract: To reduce or prevent metal wirings formed on one substrate and electrodes formed on the other substrate from being shorted. An electrophoretic display in which, a display part including electrophoretic particles electrophoresed by application of an electric field, and an electrophoretic display part including an electrode to apply the electric field to the display part, are bonded to a substrate. The substrate includes a metal wiring including an insulating part disposed at a position that corresponds to at least a part of an edge of the electrode.
    Type: Grant
    Filed: January 7, 2005
    Date of Patent: August 16, 2011
    Assignee: Seiko Epson Corporation
    Inventors: Mitsuaki Harada, Takeo Kawase, Soichi Moriya
  • Publication number: 20110163317
    Abstract: An electrooptical device substrate, contains: a first insulating film provided on a substrate; two or more pixels; a first concave portion provided in the first insulating film over the two or more pixels; a second concave portion provided on the bottom surface of the first concave portion; a thin film transistor containing an organic semiconductor layer provided in the second concave portion, a gate insulating film provided on the organic semiconductor layer, and a gate electrode provided on the gate insulating film and being matched to one pixel among the two or more pixels; a scanning line which is provided at an upper side with respect to the gate insulating film and provided in the first concave portion over the two or more pixels; and a data line electrically connected to the thin film transistor.
    Type: Application
    Filed: December 22, 2010
    Publication date: July 7, 2011
    Applicant: Seiko Epson Corporation
    Inventor: Soichi Moriya
  • Patent number: 7838916
    Abstract: A thin-film transistor includes a gate electrode, a source electrode, a drain electrode, a semiconductor layer, and a gate insulating layer for insulating the source electrode and the drain electrode from the gate electrode, wherein the gate insulating layer includes composite particles in which a hydrophobic compound is provided on the surfaces of insulating inorganic particles.
    Type: Grant
    Filed: December 1, 2006
    Date of Patent: November 23, 2010
    Assignee: Seiko Epson Corporation
    Inventors: Soichi Moriya, Takeo Kawase
  • Publication number: 20090303228
    Abstract: An electrophoretic display device includes a first substrate and a second substrate, an electrophoretic element which is placed between the first and second substrates and contains electrophoretic particles, a plurality of first pixel electrodes formed on an electrophoretic element side of the first substrate, second pixel electrodes provided on the electrophoretic element side of the first substrate in an electrically floating state, and a common electrode provided on an electrophoretic display side of the second substrate so as to face the first and second pixel electrodes, in which a region where the second pixel electrodes are placed includes part of a space between the adjacent first pixel electrodes.
    Type: Application
    Filed: April 27, 2009
    Publication date: December 10, 2009
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Hiroshi MAEDA, Soichi MORIYA, Yasuhiro SHIMODAIRA
  • Patent number: 7589018
    Abstract: A method of forming a contact hole includes forming a first conductive layer patterned so as to serve as an electrode or a wiring on a substrate, forming an insulation layer on the substrate and the first conductive layer, inserting a cutting instrument into the insulation layer at an angle to a surface of the insulation layer, the angle being in the range from 5° to 80°, and forming a tapered opening extending to the electrode or the wiring in the insulation layer by drawing out the cutting instrument.
    Type: Grant
    Filed: October 5, 2007
    Date of Patent: September 15, 2009
    Assignee: Seiko Epson Corporation
    Inventors: Soichi Moriya, Takeo Kawase, Mitsuaki Harada, Takehisa Saeki, Tomoyuki Okuyama, Hirofumi Hokari, Takashi Aoki
  • Patent number: 7585697
    Abstract: Aspects of the invention can provide a thin-film transistor having good transistor characteristics and operable with a low driving voltage, a method of producing such a thin-film transistor, a high-reliability electronic circuit, a display, and an electronic device. In an exemplary thin-film transistor according to the invention, a gate electrode can be formed on a substrate via an underlying layer, and a gate insulating layer can be formed on the substrate such that the gate electrode is covered with the gate insulating layer. A source electrode and a drain electrode are formed on the gate insulating layer such that they are separated from each other by a gap formed just above the gate electrode. An organic semiconductor layer can be formed thereon such that the electrodes are covered with the organic semiconductor layer. A region between the electrodes of the organic semiconductor layer functions as a channel region. A protective layer can be arranged on the organic semiconductor layer.
    Type: Grant
    Filed: October 30, 2006
    Date of Patent: September 8, 2009
    Assignee: Seiko Epson Corporation
    Inventor: Soichi Moriya
  • Patent number: 7570418
    Abstract: An electrophoretic display device includes a transparent element substrate, a transparent opposite substrate, an electrophoretic display layer, and a selector. The element substrate has at least one transparent pixel electrode. The opposite substrate has a common electrode that is in correspondence with the at least one pixel electrode. The electrophoretic display layer is held between the element substrate and the opposite substrate. The selector selects any one of the element substrate and the opposite substrate as a display side of the electrophoretic display layer.
    Type: Grant
    Filed: June 17, 2008
    Date of Patent: August 4, 2009
    Assignee: Seiko Epson Corporation
    Inventors: Soichi Moriya, Tsutomu Miyamoto
  • Publication number: 20090184314
    Abstract: Provided is a thin film transistor including a substrate, a source electrode and a drain electrode disposed above the substrate so as to oppose each other, an organic semiconductor film disposed between the source electrode and the drain electrode to generate a channel region, and a gate electrode disposed opposite the organic semiconductor film via a gate insulating film. The gate electrode includes an aperture in the channel region.
    Type: Application
    Filed: January 20, 2009
    Publication date: July 23, 2009
    Applicant: Seiko Epson Corporation
    Inventors: Takashi Aoki, Soichi Moriya
  • Patent number: 7560776
    Abstract: A semiconductor device includes first and second electrodes disposed apart from each other on a substrate, a gate electrode disposed so as to face the first and second electrodes and to cover at least part of each of the first and second electrodes, a semiconductor layer disposed between the first and second electrodes and the gate electrode, and a gate insulating layer disposed between the gate electrode and the semiconductor layer, the gate insulating layer having a film thickness that is greater in portions located directly above areas where the first and second electrodes are under the gate electrode than in a portion located directly above an area between the first and second electrodes.
    Type: Grant
    Filed: March 27, 2006
    Date of Patent: July 14, 2009
    Assignee: Seiko Epson Corporation
    Inventor: Soichi Moriya
  • Publication number: 20090153946
    Abstract: A display apparatus includes a substrate; a display area including a plurality of pixels provided on the substrate; a switching element provided for each of the pixels, the switching element including a first semiconductor layer formed of a first organic semiconductor; and a humidity sensor provided on the substrate and outside the display area. The humidity sensor includes, as a humidity sensitive layer, a second semiconductor layer formed of a second organic semiconductor having a correlation in terms of electric characteristics with the first organic semiconductor.
    Type: Application
    Filed: December 15, 2008
    Publication date: June 18, 2009
    Applicant: Seiko Epson Corporation
    Inventors: Kiyoshi Nakamura, Soichi Moriya
  • Publication number: 20090096722
    Abstract: An electrophoretic display device includes a common electrode and a plurality of pixel electrodes, and a disperse system containing electrophoretic particles, that is held between the common electrode and the plurality of pixel electrodes,. The electrophoretic display device includes a switching transistor and a control portion. The switching transistor supplies a corresponding one of the pixel electrodes with a low electric potential signal or a high electric potential signal supplied from a signal line. The control portion controls electric potential signals supplied to the pixel electrode and the common electrode to cause the electrophoretic particles to move. The switching transistor enters an on state when a gate electrode of the switching transistor is supplied with a first electric potential, and enters an off state when the gate electrode is supplied with a second electric potential.
    Type: Application
    Filed: October 1, 2008
    Publication date: April 16, 2009
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Soichi MORIYA, Tsutomu MIYAMOTO