Patents by Inventor Ryoichi Ito

Ryoichi Ito 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: 20230266851
    Abstract: An organic electroluminescent device with a touch sensor including: a first substrate; a second substrate arranged opposite to the first substrate; an organic EL element layer arranged above the first substrate; a first sealing film arranged toward the second substrate of the organic EL element layer, covering the organic EL element layer, and including a first inorganic layer; plural first detection electrodes extending in one direction, and arranged in parallel toward the second substrate of the first sealing film; a second sealing film arranged toward the second substrate of the first detection electrodes, and including a second inorganic layer; plural second detection electrodes extending in another direction different from the one direction, and arranged in parallel toward the second substrate of the second sealing film; and a touch sensor control unit controlling a potential to detect a touch with a display surface.
    Type: Application
    Filed: May 2, 2023
    Publication date: August 24, 2023
    Inventors: Toshihiro SATO, Ryoichi ITO
  • Patent number: 11669213
    Abstract: An organic electroluminescent device with a touch sensor including: a first substrate; a second substrate arranged opposite to the first substrate; an organic EL element layer arranged above the first substrate; a first scaling film arranged toward the second substrate of the organic EL element layer, covering the organic EL element layer, and including a first inorganic layer; plural first detection electrodes extending in one direction, and arranged in parallel toward the second substrate of the first sealing film; a second sealing film arranged toward the second substrate of the first detection electrodes, and including a second inorganic layer; plural second detection electrodes extending in another direction different from the one direction, and arranged in parallel toward the second substrate of the second sealing film; and a touch sensor control unit controlling a potential to detect a touch with a display surface.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: June 6, 2023
    Assignee: Japan Display Inc.
    Inventors: Toshihiro Sato, Ryoichi Ito
  • Publication number: 20210013448
    Abstract: An organic electroluminescent device with a touch sensor including: a first substrate; a second substrate arranged opposite to the first substrate; an organic EL element layer arranged above the first substrate; a first scaling film arranged toward the second substrate of the organic EL element layer, covering the organic EL element layer, and including a first inorganic layer; plural first detection electrodes extending in one direction, and arranged in parallel toward the second substrate of the first sealing film; a second sealing film arranged toward the second substrate of the first detection electrodes, and including a second inorganic layer; plural second detection electrodes extending in another direction different from the one direction, and arranged in parallel toward the second substrate of the second sealing film; and a touch sensor control unit controlling a potential to detect a touch with a display surface.
    Type: Application
    Filed: September 30, 2020
    Publication date: January 14, 2021
    Inventors: Toshihiro SATO, Ryoichi Ito
  • Patent number: 10804488
    Abstract: An organic electroluminescent device with a touch sensor including: a first substrate; a second substrate arranged opposite to the first substrate; an organic EL element layer arranged above the first substrate; a first sealing film arranged toward the second substrate of the organic EL element layer, covering the organic EL element layer, and including a first inorganic layer; plural first detection electrodes extending in one direction, and arranged in parallel toward the second substrate of the first sealing film; a second sealing film arranged toward the second substrate of the first detection electrodes, and including a second inorganic layer; plural second detection electrodes extending in another direction different from the one direction, and arranged in parallel toward the second substrate of the second sealing film; and a touch sensor control unit control ling a potential to detect a touch with a display surface.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: October 13, 2020
    Assignee: Japan Display Inc.
    Inventors: Toshihiro Sato, Ryoichi Ito
  • Patent number: 10608059
    Abstract: A display device includes a flexible substrate having a display region including a plurality of pixels, each of the plurality of pixels having a pair of electrodes and a display element therebetween; a first electrode layer provided on the plurality of pixels; a second electrode layer provided on the first electrode layer; a third electrode layer provided on the second electrode layer; a piezoelectric material layer provided between the first electrode layer and the second electrode layer; and a flexible material layer provided between the second electrode layer and the third electrode layer.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: March 31, 2020
    Assignee: Japan Display Inc.
    Inventor: Ryoichi Ito
  • Publication number: 20190245012
    Abstract: A display device includes a flexible substrate having a display region including a plurality of pixels, each of the plurality of pixels having a pair of electrodes and a display element therebetween; a first electrode layer provided on the plurality of pixels; a second electrode layer provided on the first electrode layer; a third electrode layer provided on the second electrode layer; a piezoelectric material layer provided between the first electrode layer and the second electrode layer; and a flexible material layer provided between the second electrode layer and the third electrode layer.
    Type: Application
    Filed: April 18, 2019
    Publication date: August 8, 2019
    Inventor: Ryoichi ITO
  • Patent number: 10367042
    Abstract: A display device includes an element substrate including a display area where a plurality of self-light-emitting elements are formed, and a driver IC disposed outside the display area in the element substrate. A first metal layer is disposed on the reverse side of the element substrate at a position opposite to the display area. A second metal layer is disposed with a space between the first metal layer and the second metal layer on the reverse side of the element substrate at a position opposite to the driver IC.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: July 30, 2019
    Assignee: Japan Display Inc.
    Inventors: Ryoichi Ito, Toshihiro Sato
  • Patent number: 10304911
    Abstract: A display device includes a flexible substrate having a display region including a plurality of pixels, each of the plurality of pixels having a pair of electrodes and a display element therebetween; a first electrode layer provided on the plurality of pixels; a second electrode layer provided on the first electrode layer; a third electrode layer provided on the second electrode layer; a piezoelectric material layer provided between the first electrode layer and the second electrode layer; and a flexible material layer provided between the second electrode layer and the third electrode layer.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: May 28, 2019
    Assignee: Japan Display Inc.
    Inventor: Ryoichi Ito
  • Publication number: 20190109296
    Abstract: An organic electroluminescent device with a touch sensor including: a first substrate; a second substrate arranged opposite to the first substrate; an organic EL element layer arranged above the first substrate; a first sealing film arranged toward the second substrate of the organic EL element layer, covering the organic EL element layer, and including a first inorganic layer; plural first detection electrodes extending in one direction, and arranged in parallel toward the second substrate of the first sealing film; a second sealing film arranged toward the second substrate of the first detection electrodes, and including a second inorganic layer; plural second detection electrodes extending in another direction different from the one direction, and arranged in parallel toward the second substrate of the second sealing film; and a touch sensor control unit control ling a potential to detect a touch with a display surface.
    Type: Application
    Filed: November 21, 2018
    Publication date: April 11, 2019
    Inventors: Toshihiro Sato, Ryoichi Ito
  • Patent number: 10170727
    Abstract: An organic electroluminescent device with a touch sensor including: a first substrate; a second substrate arranged opposite to the first substrate; an organic EL element layer arranged above the first substrate; a first sealing film arranged toward the second substrate of the organic EL element layer, covering the organic EL element layer, and including a first inorganic layer; plural first detection electrodes extending in one direction, and arranged in parallel toward the second substrate of the first sealing film; a second sealing film arranged toward the second substrate of the first detection electrodes, and including a second inorganic layer; plural second detection electrodes extending in another direction different from the one direction, and arranged in parallel toward the second substrate of the second sealing film; and a touch sensor control unit controlling a potential to detect a touch with a display surface.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: January 1, 2019
    Assignee: Japan Display Inc.
    Inventors: Toshihiro Sato, Ryoichi Ito
  • Publication number: 20180269262
    Abstract: A display device includes a flexible substrate having a display region including a plurality of pixels, each of the plurality of pixels having a pair of electrodes and a display element therebetween; a first electrode layer provided on the plurality of pixels; a second electrode layer provided on the first electrode layer; a third electrode layer provided on the second electrode layer; a piezoelectric material layer provided between the first electrode layer and the second electrode layer; and a flexible material layer provided between the second electrode layer and the third electrode layer.
    Type: Application
    Filed: May 17, 2018
    Publication date: September 20, 2018
    Inventor: Ryoichi ITO
  • Patent number: 10020355
    Abstract: A photosensor includes a first light-shielding layer provided on an insulating surface; a first insulating layer covering the first light-shielding layer; a semiconductor layer provided on the first insulating layer, the semiconductor layer being connected to a first electrode and a second electrode, and the semiconductor layer configuring a diode; a second insulating layer covering the semiconductor layer; an opening provided in the second insulating layer so as to surround the semiconductor layer as viewed from a planar direction and the opening reaching at least the first insulating layer; and a second light-shielding layer covering at least a side wall of the opening.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: July 10, 2018
    Assignee: Japan Display Inc.
    Inventor: Ryoichi Ito
  • Patent number: 10008553
    Abstract: A display device includes a flexible substrate having a display region including a plurality of pixels, each of the plurality of pixels having a pair of electrodes and a display element therebetween; a first electrode layer provided on the plurality of pixels; a second electrode layer provided on the first electrode layer; a third electrode layer provided on the second electrode layer; a piezoelectric material layer provided between the first electrode layer and the second electrode layer; and a flexible material layer provided between the second electrode layer and the third electrode layer.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: June 26, 2018
    Assignee: Japan Display Inc.
    Inventor: Ryoichi Ito
  • Publication number: 20180097041
    Abstract: A display device includes a flexible substrate having a display region including a plurality of pixels, each of the plurality of pixels having a pair of electrodes and a display element therebetween; a first electrode layer provided on the plurality of pixels; a second electrode layer provided on the first electrode layer; a third electrode layer provided on the second electrode layer; a piezoelectric material layer provided between the first electrode layer and the second electrode layer; and a flexible material layer provided between the second electrode layer and the third electrode layer.
    Type: Application
    Filed: November 29, 2017
    Publication date: April 5, 2018
    Inventor: Ryoichi Ito
  • Patent number: 9859343
    Abstract: A display device includes a flexible substrate having a display region including a plurality of pixels, each of the plurality of pixels having a pair of electrodes and a display element therebetween; a first electrode layer provided on the plurality of pixels; a second electrode layer provided on the first electrode layer; a third electrode layer provided on the second electrode layer; a piezoelectric material layer provided between the first electrode layer and the second electrode layer; and a flexible material layer provided between the second electrode layer and the third electrode layer.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: January 2, 2018
    Assignee: Japan Display Inc.
    Inventor: Ryoichi Ito
  • Publication number: 20170338287
    Abstract: A display device includes a flexible substrate having a display region including a plurality of pixels, each of the plurality of pixels having a pair of electrodes and a display element therebetween; a first electrode layer provided on the plurality of pixels; a second electrode layer provided on the first electrode layer; a third electrode layer provided on the second electrode layer; a piezoelectric material layer provided between the first electrode layer and the second electrode layer; and a flexible material layer provided between the second electrode layer and the third electrode layer.
    Type: Application
    Filed: April 20, 2017
    Publication date: November 23, 2017
    Inventor: Ryoichi ITO
  • Publication number: 20170288001
    Abstract: A photosensor includes a first light-shielding layer provided on an insulating surface; a first insulating layer covering the first light-shielding layer; a semiconductor layer provided on the first insulating layer, the semiconductor layer being connected to a first electrode and a second electrode, and the semiconductor layer configuring a diode; a second insulating layer covering the semiconductor layer; an opening provided in the second insulating layer so as to surround the semiconductor layer as viewed from a planar direction and the opening reaching at least the first insulating layer; and a second light-shielding layer covering at least a side wall of the opening.
    Type: Application
    Filed: March 31, 2017
    Publication date: October 5, 2017
    Inventor: Ryoichi ITO
  • Publication number: 20170222180
    Abstract: An organic electroluminescent device with a touch sensor including: a first substrate; a second substrate arranged opposite to the first substrate; an organic EL element layer arranged above the first substrate; a first sealing film arranged toward the second substrate of the organic EL element layer, covering the organic EL element layer and including a first inorganic layer; plural first detection electrodes extending in one direction, and arranged in parallel toward the second substrate of the first sealing film; a second sealing film arranged toward the second substrate of the first detection electrodes, and including a second inorganic layer; plural second detection electrodes extending in another direction different from the one direction, and arranged in parallel toward the second substrate of the sealing film; and a touch sensor control unit controlling a potential to detect a touch with a display surface.
    Type: Application
    Filed: April 11, 2017
    Publication date: August 3, 2017
    Inventors: TOSHIHIRO SATO, RYOICHI ITO
  • Publication number: 20170194393
    Abstract: A display device includes an element substrate including a display area where a plurality of self-light-emitting elements are formed, and a driver IC disposed outside the display area in the element substrate. A first metal layer is disposed on the reverse side of the element substrate at a position opposite to the display area. A second metal layer is disposed with a space between the first metal layer and the second metal layer on the reverse side of the element substrate at a position opposite to the driver IC.
    Type: Application
    Filed: March 17, 2017
    Publication date: July 6, 2017
    Inventors: Ryoichi ITO, Toshihiro SATO
  • Patent number: 9692014
    Abstract: A display device includes a substrate; a transistor provided on the substrate; a first insulating film provided on the substrate and the transistor; a second insulating film provided on the first insulating film; an individual pixel electrode provided on the second insulating film; a light emitting layer provided on the individual pixel electrode; a common electrode provided on the light emitting layer; and a contact hole running through the first insulating film and the second insulating film and connecting a source or a drain of the transistor with the pixel electrode. The second insulating film has at least one recessed portion reaching the first insulating film; and the individual pixel electrode is provided along a top surface of the second insulating film and the first recessed portion.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: June 27, 2017
    Assignee: Japan Display Inc.
    Inventors: Ryoichi Ito, Toshihiro Sato, Shigeru Sakamoto