Patents by Inventor Yoichi Momose

Yoichi Momose 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).

  • Publication number: 20190156755
    Abstract: An electro-optical device includes scan line, data line, pixel circuit located at a position corresponding to an intersection of the scan line and the data line, a first high potential line supplies a first potential, a low potential line supplies a second potential, and a second high potential line supplies a third potential. The pixel circuit includes a light emitting element, a memory circuit disposed between the first high potential line and the low potential line, a first transistor including a gate electrically connected to the memory circuit, and a second transistor including a gate electrically connected to the scan line. The second transistor is disposed between the memory circuit and f the data line. A potential difference between the first potential and the second potential is smaller than a potential difference between the third potential and the second potential.
    Type: Application
    Filed: November 19, 2018
    Publication date: May 23, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Mitsutoshi MIYASAKA, Yoichi MOMOSE
  • Publication number: 20190130838
    Abstract: An electro-optical device includes a scan line, a data line, a pixel circuit provided at an intersection of the scan line and the data line, a first high potential line, a first low potential line, a second high potential line, and a second low potential line. The pixel circuit includes a light emitting device, a memory circuit disposed between the first high potential line and the first low potential line, a first transistor of N-type including a gate electrically connected to the memory circuit, and a second transistor disposed between the memory circuit and the data line. The light emitting device and the first transistor are disposed in series between the second high potential line and the second low potential line.
    Type: Application
    Filed: October 29, 2018
    Publication date: May 2, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Mitsutoshi MIYASAKA, Yoichi MOMOSE
  • Publication number: 20190096325
    Abstract: An electro-optical device includes a scan line, a data line, a pixel circuit provided to correspond to an intersection of the scan line and the data line, a low potential line, and a high potential line with a different potential from the low potential line. The pixel circuit includes a light emitting element, a memory circuit including a first transistor, a second transistor arranged between the memory circuit and the data line, and a third transistor. A source of the first transistor is electrically connected to the low potential line, and the light emitting element and the third transistor are arranged in series between a drain of the first transistor and the high potential line.
    Type: Application
    Filed: September 26, 2018
    Publication date: March 28, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Mitsutoshi MIYASAKA, Yoichi MOMOSE
  • Patent number: 10095093
    Abstract: An electrooptical device of a projection display device includes a first driving element and a second driving element. The first driving element switches a position of a first mirror between a first turn-on position, in which the first mirror reflects a first light-source light beam from a first irradiation direction in an ON-direction, and a first turn-off position, in which the first mirror reflects the first light-source light beam in a first OFF-direction. The second driving element switches a position of a second mirror between a second turn-on position, in which the second mirror reflects a second light-source light beam in the ON-direction, and a second turn-off position, in which the second mirror reflects the second light-source light beam in a second OFF-direction.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: October 9, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takunori Iki, Yoichi Momose, Hiroaki Yanai
  • Publication number: 20180136498
    Abstract: A method of manufacturing a liquid crystal device having a first substrate and a second substrate facing each other with a liquid crystal layer interposed therebetween, and a sealing member formed in a peripheral portion of at least one of the substrates. The method includes forming the sealing member, disposing the liquid crystal layer inside the sealing member, and bonding the first substrate to the second substrate. In forming the sealing member, a ring-shaped portion that seals the liquid crystal layer inside the sealing member, a first sealing layer and a second sealing layer that face each other to be separated from each other are formed. In the bonding of the first substrate to the second substrate, a junction portion is formed in which the first and second sealing layers are pressed and joined outside the sealing member so as to form the ring-shaped portion.
    Type: Application
    Filed: January 12, 2018
    Publication date: May 17, 2018
    Inventors: Yoichi MOMOSE, Satoshi HASEGAWA
  • Patent number: 9952469
    Abstract: A method of manufacturing a liquid crystal device having a first substrate and a second substrate facing each other with a liquid crystal layer interposed therebetween, and a sealing member formed in a peripheral portion of at least one of the substrates. The method includes forming the sealing member, disposing the liquid crystal layer inside the sealing member, and bonding the first substrate to the second substrate. In forming the sealing member, a ring-shaped portion that seals the liquid crystal layer inside the sealing member, a first sealing layer and a second sealing layer that face each other to be separated from each other are formed. In the bonding of the first substrate to the second substrate, a junction portion is formed in which the first and second sealing layers are pressed and joined outside the sealing member so as to form the ring-shaped portion.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: April 24, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Yoichi Momose, Satoshi Hasegawa
  • Patent number: 9885824
    Abstract: An illumination apparatus includes: a light-guiding plate; a plurality of light-emitting elements disposed along a side-end surface of the light-guiding plate that serves as a light-entry portion, each of the plurality of light-emitting elements has a light-emitting surface which faces toward the light entry portion; a light source substrate, disposed and separated with a space from the light entry portion of the light-guiding plate when viewed from above, that includes a mounting surface for the plurality of light-emitting elements, the mounting surface being orthogonal to the side-end surface serving as the light entry portion; and a step portion with which an end portion of the light source substrate located toward the light-guiding plate makes contact.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: February 6, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yoichi Momose, Nobutaka Urano
  • Publication number: 20180031954
    Abstract: An electrooptical device of a projection display device includes a first driving element and a second driving element. The first driving element switches a position of a first mirror between a first turn-on position, in which the first mirror reflects a first light-source light beam from a first irradiation direction in an ON-direction, and a first turn-off position, in which the first mirror reflects the first light-source light beam in a first OFF-direction. The second driving element switches a position of a second mirror between a second turn-on position, in which the second mirror reflects a second light-source light beam in the ON-direction, and a second turn-off position, in which the second mirror reflects the second light-source light beam in a second OFF-direction.
    Type: Application
    Filed: July 3, 2017
    Publication date: February 1, 2018
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takunori IKI, Yoichi MOMOSE, Hiroaki YANAI
  • Patent number: 9864233
    Abstract: In a liquid crystal display device, a reflecting surface is attached to a portion, which overlaps with a periphery portion of a light guiding plate where the light incident section is position in a surface on the light guiding plate side in the dispersing sheet which is positioned farthest to the light guiding plate side among a plurality of optical sheets which are positioned between the light guiding plate and a liquid crystal panel. As a result, light which is emitted from the periphery portion of the light guiding plate is returned into the light guiding plate by being reflected by the reflecting surface, and after this, is emitted as illumination light from a light emitting surface while progressing within the light guiding plate.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: January 9, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yoichi Momose, Nobutaka Urano
  • Publication number: 20170363892
    Abstract: A method of manufacturing a liquid crystal device having a first substrate and a second substrate facing each other with a liquid crystal layer interposed therebetween, and a sealing member formed in a peripheral portion of at least one of the substrates. The method includes forming the sealing member, disposing the liquid crystal layer inside the sealing member, and bonding the first substrate to the second substrate. In forming the sealing member, a ring-shaped portion that seals the liquid crystal layer inside the sealing member, a first sealing layer and a second sealing layer that face each other to be separated from each other are formed. In the bonding of the first substrate to the second substrate, a junction portion is formed in which the first and second sealing layers are pressed and joined outside the sealing member so as to form the ring-shaped portion.
    Type: Application
    Filed: August 30, 2017
    Publication date: December 21, 2017
    Inventors: Yoichi MOMOSE, Satoshi HASEGAWA
  • Publication number: 20170336622
    Abstract: An electro-optical device includes a mirror being positioned above a surface of a substrate and modulating light, and a torsion hinge being positioned between the mirror and the substrate and pivotably supporting the mirror. The electro-optical device includes beam portions being disposed between the mirror and the substrate at positions that do not overlap the mirror in plan view, and being supported by the substrate while being spaced away from the mirror and the substrate. Spring tips that regulate a pivot range of the mirror protrude from the beam portions toward positions that overlap the mirror in plan view.
    Type: Application
    Filed: May 2, 2017
    Publication date: November 23, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kikuya MORITA, Takunori IKI, Yoichi MOMOSE
  • Patent number: 9785009
    Abstract: In a liquid crystal display device, a reflecting surface is attached to a portion, which overlaps with a periphery portion of a light guiding plate where the light incident section is position in a surface on the light guiding plate side in the dispersing sheet which is positioned farthest to the light guiding plate side among a plurality of optical sheets which are positioned between the light guiding plate and a liquid crystal panel. As a result, light which is emitted from the periphery portion of the light guiding plate is returned into the light guiding plate by being reflected by the reflecting surface, and after this, is emitted as illumination light from a light emitting surface while progressing within the light guiding plate.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: October 10, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yoichi Momose, Nobutaka Urano
  • Publication number: 20170261814
    Abstract: In a liquid crystal display device, a reflecting surface is attached to a portion, which overlaps with a periphery portion of a light guiding plate where the light incident section is position in a surface on the light guiding plate side in the dispersing sheet which is positioned farthest to the light guiding plate side among a plurality of optical sheets which are positioned between the light guiding plate and a liquid crystal panel. As a result, light which is emitted from the periphery portion of the light guiding plate is returned into the light guiding plate by being reflected by the reflecting surface, and after this, is emitted as illumination light from a light emitting surface while progressing within the light guiding plate.
    Type: Application
    Filed: May 26, 2017
    Publication date: September 14, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Yoichi MOMOSE, Nobutaka URANO
  • Publication number: 20170261786
    Abstract: An electro-optical device may include a first substrate including a pixel area in which a plurality of pixels are aligned, a second substrate, a seal member disposed between the first substrate and the second substrate so as to bond the first substrate and the second substrate together, the seal member being disposed in a seal region defined around the pixel area, a first conductive layer disposed between the first substrate and the seal member, a second conductive layer disposed between the first conductive layer and the first substrate, a third layer disposed in the pixel area and formed of the first conductive layer, and a fourth layer disposed in the pixel area and formed of the second conductive layer. The second conductive layer is larger in an outer shape than the first conductive layer in the seal region in plan view.
    Type: Application
    Filed: May 29, 2017
    Publication date: September 14, 2017
    Inventors: Yusuke Kinoe, Yoichi Momose
  • Patent number: 9739923
    Abstract: Provided is a liquid crystal display device including: an illumination device, and a liquid crystal panel that is arranged so as to be stacked on a light-emitting surface side of the illumination device, wherein the illumination device includes a light guide plate in which a side end surface extending in a first direction is a light incident portion, a plurality of light-emitting elements that align along a first direction and, each of the plurality of light-emitting elements faces a light-irradiating surface in the light incident portion, and a plurality of groove rows that are formed of a plurality of grooves which are linearly arranged in a second direction on an opposite surface facing the light-emitting surface of the light guide plate, the second direction intersects the first direction in an in-plane direction of the light-emitting surface, and that are arranged in parallel in the first direction.
    Type: Grant
    Filed: July 18, 2012
    Date of Patent: August 22, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yoichi Momose, Nobutaka Urano
  • Patent number: 9726812
    Abstract: An illumination apparatus includes: a light guiding plate; a plurality of light-emitting elements disposed along a side-end surface of the light guiding plate that serves as a light-entry portion, each of the plurality of light-emitting elements having a light-emitting surface facing toward the side-end surface; a light source substrate that extends along the light-entry portion and has the plurality of light-emitting elements disposed thereon on one surface side that faces the light-entry portion; and a connector member, held on another surface side of the light source substrate that opposes the one surface side, for supplying power to the plurality of light-emitting elements.
    Type: Grant
    Filed: April 8, 2015
    Date of Patent: August 8, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Nobutaka Urano, Yoichi Momose
  • Patent number: 9715106
    Abstract: There is provided an electro-optical device comprising a substrate, a first torsion hinge disposed above the substrate in a thickness direction, the first torsion hinge having a first hinge support portion configured to support the first torsion hinge in the thickness direction, a second torsion hinge disposed above the first torsion hinge in the thickness direction, the second torsion hinge having a second hinge support portion configured to support the second torsion hinge in the thickness direction, and a mirror disposed above the second torsion hinge in the thickness direction, the mirror having a mirror support portion configured to support the mirror in the thickness direction. The second hinge support portion does not overlap the first hinge support portion in a planar view of the substrate, and the mirror support portion does not overlap the second hinge support portion in the planar view of the substrate.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: July 25, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Yoichi Momose
  • Patent number: 9696593
    Abstract: An electro-optical device may include a first substrate, a second substrate, a seal member between the first substrate and the second substrate, and a first conductive layer and a second conductive layer between the first substrate and the seal member. The first substrate may include a pixel area and a seal region around the pixel area and in which the seal member is provided. The first conductive layer may include a first pattern having a first edge and a second edge, the second conductive layer may include a second pattern having a third edge and a fourth edge, the first edge may be arranged at an inner side of the second pattern and closest to the third edge, the second edge may be arranged at the inner side of the second pattern and closest to the fourth edge, and the second pattern may overlap with the first pattern.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: July 4, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Yusuke Kinoe, Yoichi Momose
  • Patent number: 9664951
    Abstract: A liquid crystal display device is provided which includes a liquid crystal panel, a light guide plate having a plurality of side surfaces, a plurality of light emitting elements; a light source substrate having a mounting surface on which the plurality of the light emitting elements are mounted, a light source support member made of metal, including a substrate support plate portion supporting the light source substrate, with the substrate support plate portion coming into contact with a rear surface of the mounting surface, a first surface and a second surface different from the first surface, and a metal frame accommodating the liquid crystal panel and the light guide plate, and including a first contact portion that comes into contact with the first surface and a second contact portion that comes into contact with the second surface.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: May 30, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yoichi Momose, Nobutaka Urano
  • Patent number: 9645294
    Abstract: Provided is a liquid crystal display device including: an illumination device, and a liquid crystal panel that is arranged so as to be stacked on a light-emitting surface side of the illumination device, wherein the illumination device includes a light guide plate in which a side end surface extending in a first direction is a light incident portion, a plurality of light-emitting elements that align along a first direction and, each of the plurality of light-emitting elements faces a light-irradiating surface in the light incident portion, and a plurality of groove rows that are formed of a plurality of grooves which are linearly arranged in a second direction on an opposite surface facing the light-emitting surface of the light guide plate, the second direction intersects the first direction in an in-plane direction of the light-emitting surface, and that are arranged in parallel in the first direction.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: May 9, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yoichi Momose, Nobutaka Urano