Patents by Inventor Tomoaki Miyashita

Tomoaki Miyashita 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: 10353254
    Abstract: An electro-optical device includes a substrate, a first terminal that is formed on the substrate, a second terminal that is formed on the substrate and arranged in a first direction with respect to the first terminal, a third terminal that is formed on the substrate, and arranged in a second direction different from the first direction with respect to the first terminal, and of which the position in the first direction is the same as the first terminal, and a wiring that is formed on the substrate and connected to the third terminal.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: July 16, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Junichi Masui, Tomoaki Miyashita
  • Publication number: 20190129237
    Abstract: Projector including a light source device, an image forming device, and a cooling device, image forming device includes a light modulation device having a liquid crystal panel, incident side polarization plate and attachment member, a liquid crystal panel includes a panel main body having a modulation area having a rectangular shape, and a frame, cooling device includes a first circulation device that makes a liquid refrigerant flow through a first flow channel included in frame along one of long sides and short sides in modulation area, the incident side polarization plate has a polarization plate main body and a light transmissive substrate, attachment member includes clamp-holding members adapted to clamp-hold the incident side polarization plate, and a support member, clamp-holding members are disposed at positions corresponding respectively to the long sides, and the support member is connected to the areas respectively along the short sides on the frame surface.
    Type: Application
    Filed: October 29, 2018
    Publication date: May 2, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Toshizo NISHI, Tomoaki MIYASHITA
  • Publication number: 20180224692
    Abstract: An electro-optical device includes a plurality of mounting substrates connected to an electro-optical panel. A holder includes a first holder member and a second holder member that support an electro-optical panel from both sides. In addition, a holder includes a first heat dissipation plate portion and a second heat dissipation plate portion on both sides of a part where a first drive IC and a second drive IC are mounted, among a part where a plurality of mounting substrates overlap each other and extend. A second heat dissipation plate portion is configured integrally with a second holder member, and a first heat dissipation plate portion is configured separately from a first holder member and a second heat dissipation plate portion and is fixed to a second heat dissipation plate portion by a fixing unit such as a fixing member or the like.
    Type: Application
    Filed: February 1, 2018
    Publication date: August 9, 2018
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Tomoaki MIYASHITA
  • Publication number: 20180031892
    Abstract: An electro-optical device includes a substrate, a first terminal that is formed on the substrate, a second terminal that is formed on the substrate and arranged in a first direction with respect to the first terminal, a third terminal that is formed on the substrate, and arranged in a second direction different from the first direction with respect to the first terminal, and of which the position in the first direction is the same as the first terminal, and a wiring that is formed on the substrate and connected to the third terminal.
    Type: Application
    Filed: July 10, 2017
    Publication date: February 1, 2018
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Junichi MASUI, Tomoaki MIYASHITA
  • Patent number: 9851611
    Abstract: Flexible substrates are drawn from two terminals provided on a TFT substrate, respectively, and IC chips are mounted on both flexible substrates. Both flexible substrates are placed so that positions of the IC chips provided on both flexible substrates overlap with each other.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: December 26, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Tomoaki Miyashita
  • Patent number: 9807357
    Abstract: An electro-optic module includes an electro-optic panel to which an emission side light transmitting plate is fixed, a first frame which holds side surfaces of the electro-optic panel, and a second frame which is fixed to at least one of the electro-optic panel, the emission side light transmitting plate and the first frame on the image light emission side of the first frame. The second frame is provided with a frame-like emission side partitioning member that covers the emission side light transmitting plate from the opposite side of the electro-optic panel and holds an optical element such as an emission side polarizing plate or an emission side phase difference plate.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: October 31, 2017
    Assignee: Seiko Epson Corporation
    Inventor: Tomoaki Miyashita
  • Publication number: 20160291400
    Abstract: An electro-optic module includes an electro-optic panel to which an emission side light transmitting plate is fixed, a first frame which holds side surfaces of the electro-optic panel, and a second frame which is fixed to at least one of the electro-optic panel, the emission side light transmitting plate and the first frame on the image light emission side of the first frame. The second frame is provided with a frame-like emission side partitioning member that covers the emission side light transmitting plate from the opposite side of the electro-optic panel and holds an optical element such as an emission side polarizing plate or an emission side phase difference plate.
    Type: Application
    Filed: March 30, 2016
    Publication date: October 6, 2016
    Inventor: Tomoaki Miyashita
  • Patent number: 9323117
    Abstract: Flexible substrates are drawn from two terminals provided on a TFT substrate, respectively, and IC chips are mounted on both flexible substrates. Both flexible substrates are placed so that positions of the IC chips provided on both flexible substrates overlap with each other.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: April 26, 2016
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Tomoaki Miyashita
  • Publication number: 20160041422
    Abstract: Flexible substrates are drawn from two terminals provided on a TFT substrate, respectively, and IC chips are mounted on both flexible substrates. Both flexible substrates are placed so that positions of the IC chips provided on both flexible substrates overlap with each other.
    Type: Application
    Filed: October 20, 2015
    Publication date: February 11, 2016
    Inventor: Tomoaki MIYASHITA
  • Patent number: 9116381
    Abstract: An electro-optical device includes an electro-optical panel and a retaining member. The retaining member includes a first retaining portion that extends along a first side of the electro-optical panel and a second retaining portion that extends along a second side, the first side intersects a direction in which cooling air flows, the first retaining portion is formed to be flush with a panel face of at least one of a light incident side and a light emitting side of the electro-optical panel, and the second retaining portion is formed to protrude from at least one of the panel faces.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: August 25, 2015
    Assignee: Seiko Epson Corporation
    Inventor: Tomoaki Miyashita
  • Publication number: 20150229893
    Abstract: A first light-transmissive plate is provided on an opposite surface of a first substrate of an electro-optic panel to a second substrate. The first light-transmissive plate is smaller than the first substrate, and an end portion of the first substrate is exposed from the first light-transmissive plate. In addition, a heat radiation member made of a metal material is provided so as to be overlapped with the exposed portion from the first light-transmissive plate of the first substrate.
    Type: Application
    Filed: April 21, 2015
    Publication date: August 13, 2015
    Inventor: Tomoaki Miyashita
  • Patent number: 9039193
    Abstract: A first light-transmissive plate is provided on an opposite surface of a first substrate of an electro-optic panel to a second substrate. The first light-transmissive plate is smaller than the first substrate, and an end portion of the first substrate is exposed from the first light-transmissive plate. In addition, a heat radiation member made of a metal material is provided so as to be overlapped with the exposed portion from the first light-transmissive plate of the first substrate.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: May 26, 2015
    Assignee: Seiko Epson Corporation
    Inventor: Tomoaki Miyashita
  • Patent number: 8988883
    Abstract: An electro-optic device includes an electro-optic panel, a first holding member that holds the electro-optic panel, and a second holding member provided with a heat emitting portion on the side opposite to a surface to which the electro-optic panel is adhered. In the electro-optic device, a predetermined gap is provided between the first holding member and the second holding member.
    Type: Grant
    Filed: April 5, 2010
    Date of Patent: March 24, 2015
    Assignee: Seiko Epson Corporation
    Inventor: Tomoaki Miyashita
  • Patent number: 8872101
    Abstract: A small-sized first translucent plate overlapped on an image display region and a plate-like cover are provided on a first substrate. Engagement plate portions of the plate-like cover are engaged with a frame so that the plate-like cover is bonded to the frame. The plate-like cover constitutes a ventilation path which extends along an extending direction of a side end surface of the first substrate and is opened at both sides of the extending direction together with a side end surface of the first translucent plate, an exposed portion of an electrooptic panel from the first translucent plate, and the frame.
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: October 28, 2014
    Assignee: Seiko Epson Corporation
    Inventor: Tomoaki Miyashita
  • Patent number: 8654432
    Abstract: An electro-optic device including: an electro-optical panel having an electro-optic substance held between an element substrate and an opposed substrate; and a dust-proof substrate bonded to a surface of the opposed substrate opposite from a surface thereof opposing the element substrate; wherein one of the opposed substrate and the dust-proof substrate is formed of a first material having a coefficient of linear expansion of a positive pole, and the other one of the opposed substrate and the dust-proof substrate is formed of a second material having a coefficient of linear expansion of a negative pole.
    Type: Grant
    Filed: January 20, 2011
    Date of Patent: February 18, 2014
    Assignee: Seiko Epson Corporation
    Inventor: Tomoaki Miyashita
  • Patent number: 8619209
    Abstract: An electro-optical device includes an electro-optical panel and a backlight unit. A cover includes a window portion opened in correspondence with a pixel region of the electro-optical panel and a first sidewall provided so as to face the side surfaces of the electro-optical panel and the backlight unit. A frame holds the electro-optical panel and the backlight unit and has a second sidewall provided so as to face the side surfaces of the electro-optical panel and the backlight unit. The first sidewall has an engagement portion engaged with the backlight unit and the second sidewall has a protrusion for guiding the engagement portion to an engagement place.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: December 31, 2013
    Assignee: Seiko Epson Corporation
    Inventor: Tomoaki Miyashita
  • Publication number: 20130077058
    Abstract: A first light-transmissive plate is provided on an opposite surface of a first substrate of an electro-optic panel to a second substrate. The first light-transmissive plate is smaller than the first substrate, and an end portion of the first substrate is exposed from the first light-transmissive plate. In addition, a heat radiation member made of a metal material is provided so as to be overlapped with the exposed portion from the first light-transmissive plate of the first substrate.
    Type: Application
    Filed: September 4, 2012
    Publication date: March 28, 2013
    Applicant: Seiko Epson Corporation
    Inventor: Tomoaki Miyashita
  • Patent number: 8373806
    Abstract: In at least one embodiment of the disclosure, an electro-optical device includes an electro-optical panel including a display area. The electro-optical panel has an incidence face side that faces incident light from a light source and an opposite side which is opposite to the incidence face side. A holding member houses the electro-optical panel. A heat radiation member is provided at the opposite side of the electro-optical panel. A light-shielding plate is formed so as to at least partially surround the display area of the electro-optical panel. The light-shielding plate is provided so as to make contact with the holding member and the incidence face side of the electro-optical panel.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: February 12, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Hidekazu Hirabayashi, Tomoaki Miyashita
  • Publication number: 20120242964
    Abstract: Flexible substrates are drawn from two terminals provided on a TFT substrate, respectively, and IC chips are mounted on both flexible substrates. Both flexible substrates are placed so that positions of the IC chips provided on both flexible substrates overlap with each other.
    Type: Application
    Filed: March 21, 2012
    Publication date: September 27, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Tomoaki MIYASHITA
  • Patent number: 8212956
    Abstract: An electro-optic device includes an electro-optic panel and a mounting case. The mounting case includes a frame, a first cover member and a second cover member. The second cover member has an elastic portion for pressing the electro-optic panel against the first cover member.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: July 3, 2012
    Assignee: Seiko Epson Corporation
    Inventor: Tomoaki Miyashita