Patents by Inventor Yojiro Matsuda

Yojiro Matsuda 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: 20220130925
    Abstract: An electronic device including elements arranged on a substrate, each of the elements including an insulating layer, a first electrode, a functional layer, and a second electrode in mentioned order starting from a side closer to the substrate. The insulating layer has an inclined portion that is inclined relative to the substrate. The first electrode has a first portion positioned on the inclined portion and a second portion in contact with the functional layer. The second portion has a smaller inclination angle relative to the substrate than the first portion. A thickness of the functional layer positioned on the first portion in a direction normal to a functional layer surface in contact with the first portion is smaller than a thickness of the functional layer positioned on the second portion in a direction normal to a functional layer surface in contact with the second portion.
    Type: Application
    Filed: October 18, 2021
    Publication date: April 28, 2022
    Inventors: Tetsuo Takahashi, Takayuki Ito, Hiroaki Sano, Yojiro Matsuda
  • Publication number: 20220131112
    Abstract: A light-emitting device includes: a substrate; a lens; and a light-emitting part provided between the substrate and the lens, wherein the lens has a convex curved surface portion on an opposite side to the substrate, in a first direction perpendicular to the substrate, the light-emitting part is more distant from the lens than a curvature center of the curved surface portion, when an apex of the curved surface portion in the first direction is referred to as a first position, and an end of the curved surface portion in a second direction in parallel with the substrate is referred to as a second position, and h represents a distance from the first position to the second position in the first direction, and r represents a distance from the first position to the second position in the second direction, h/r<0.95 is satisfied.
    Type: Application
    Filed: October 7, 2021
    Publication date: April 28, 2022
    Inventors: Shoma Hinata, Hiroaki Sano, Koji Ishizuya, Yojiro Matsuda
  • Publication number: 20220130924
    Abstract: An apparatus including sub-pixels arranged on a substrate, the sub-pixels including a first, a second, and a third sub-pixels, each of the sub-pixels including a lower electrode, an insulating layer covering an end portion of the lower electrode, an organic layer, and an upper electrode in mentioned order starting from a side closer to the substrate, at least part of the organic layer being continuously arranged in at least two of regions between a position on a first lower electrode included in the first sub-pixel and a position on a second lower electrode included in the second sub-pixel, between the position on the second lower electrode and a position on a third lower electrode included in the third sub-pixel, and between the position on the third lower electrode and the position on the first lower electrode.
    Type: Application
    Filed: October 14, 2021
    Publication date: April 28, 2022
    Inventors: Tetsuo Takahashi, Kentaro Suzuki, Takayuki Ito, Hiroaki Sano, Yojiro Matsuda
  • Publication number: 20220123268
    Abstract: An organic light-emitting device includes, on an insulating layer, a first lower electrode, an upper electrode, and an organic compound layer disposed between the first lower electrode and the upper electrode, wherein the organic compound layer includes a first light-emitting layer, a second light-emitting layer disposed between the first light-emitting layer and the upper electrode, and a first organic compound layer disposed between the first light-emitting layer and the second light-emitting layer, the first organic compound layer includes a second organic compound layer containing an alkali metal, and a third organic compound layer disposed between the second organic compound layer and the upper electrode and containing a compound having a lowest unoccupied molecular orbital level energy of -5.0 eV or less, and an orthogonal projection of the first organic compound layer onto the insulating layer is smaller than an orthogonal projection of the first light-emitting layer onto the insulating layer.
    Type: Application
    Filed: October 15, 2021
    Publication date: April 21, 2022
    Inventors: Hiroaki Sano, Akira Okita, Yojiro Matsuda, Shoma Hinata, Kentaro Ito
  • Publication number: 20220115447
    Abstract: A display device that comprises pixels including a first pixel and a second pixel arranged to be adjacent to each other along a first direction is provided. The pixels comprises a light emitting region and a color filter. Luminous efficacy of the first pixel is higher than that of the second pixel. In plane view, a center position of each color filter is shifted in the first direction from a center position of a corresponding light emitting region, and a length parallel to the first direction of the color filter of the first pixel is longer than that of the second pixel. In the first direction, each first pixel is periodically arranged and a pitch of the color filter of each first pixel and a pitch of the light emitting region of each first pixel are different from each other.
    Type: Application
    Filed: October 4, 2021
    Publication date: April 14, 2022
    Inventors: Koji Ishizuya, Norifumi Kajimoto, Yojiro Matsuda
  • Publication number: 20210265591
    Abstract: A device comprising a first layer, a sealing layer and a resin layer stacked in that order and an organic layer arranged between the first layer and the sealing layer in a pixel region is provided. The first, sealing and resin layers have openings for exposing an electrode in a peripheral region. The sealing layer includes second and third layers each having a water permeability lower than the first layer, and a fourth layer arranged between the second layer and the third layer and having a defect density lower than the second layer. A step of the second layer arranged above the end of the opening of the first layer is covered with the fourth layer and a step of the third layer arranged above the end of the opening of the first layer is covered with the resin layer.
    Type: Application
    Filed: April 23, 2021
    Publication date: August 26, 2021
    Inventors: Yojiro Matsuda, Masaki Kurihara, Daisuke Shimoyama, Hiroaki Naruse
  • Patent number: 11018316
    Abstract: A device comprising a first layer, a sealing layer and a resin layer stacked in that order and an organic layer arranged between the first layer and the sealing layer in a pixel region is provided. The first, sealing and resin layers have openings for exposing an electrode in a peripheral region. The sealing layer includes second and third layers each having a water permeability lower than the first layer, and a fourth layer arranged between the second layer and the third layer and having a defect density lower than the second layer. A step of the second layer arranged above the end of the opening of the first layer is covered with the fourth layer and a step of the third layer arranged above the end of the opening of the first layer is covered with the resin layer.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: May 25, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yojiro Matsuda, Masaki Kurihara, Daisuke Shimoyama, Hiroaki Naruse
  • Publication number: 20210014393
    Abstract: A light emitting device including a first light emitting element disposed on a main surface of a substrate, and a first lens fixed to the substrate and overlapping a center of a first light-emission region of the first light emitting element in plan view in a direction perpendicular to the main surface. In the plan view in the direction perpendicular to the main surface, the center of the first light-emission region and a center of the first lens are separated from each other by a first distance in a direction parallel to the main surface.
    Type: Application
    Filed: July 7, 2020
    Publication date: January 14, 2021
    Inventors: Shoma Hinata, Yojiro Matsuda, Hiroaki Sano, Hidekazu Takahashi, Yoshihito Harada
  • Publication number: 20210013453
    Abstract: A display device includes a display region in which a plurality of pixels are arranged two-dimensionally. Each of the plurality of pixels includes a light-emitting layer and an optical member that refracts light from the light-emitting layer. In an orthographic projection of a first optical member included in a first pixel with respect to the light-emitting layer, a position of an apex of the first optical member and a position of a center of the first optical member are separated by a first distance.
    Type: Application
    Filed: July 9, 2020
    Publication date: January 14, 2021
    Inventors: Yojiro Matsuda, Hidekazu Takahashi, Yoshihito Harada
  • Patent number: 10854821
    Abstract: Provided is an organic light emitting device having high emission efficiency and a long continuous driving lifetime. The organic light emitting device includes: an anode; a cathode; and an emitting layer placed between the anode and the cathode, in which: the emitting layer contains an emitting material that emits fluorescence; and in an emission wavelength region of the emitting material, an absorption peak of an absorption spectrum in a minimum excited triplet state of a material having a smallest minimum excited triplet energy out of constituent materials in the emitting layer is absent.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: December 1, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kenichi Ikari, Hiroki Ohrui, Yojiro Matsuda, Haruna Iida, Masumi Itabashi, Kei Tagami, Tetsuo Takahashi, Satoru Shiobara, Tomona Yamaguchi
  • Patent number: 10757353
    Abstract: The present disclosure provides a photoelectric conversion apparatus which includes a semiconductor substrate, signal output units disposed on the semiconductor substrate, a plurality of photoelectric conversion layers disposed on a surface of the substrate, and an upper electrode in this order. The photoelectric conversion apparatus further includes insulation layers which are disposed between the plurality of photoelectric conversion layers and which have lines connected to power supply units. The upper electrode and the lines are electrically connected to each other on side surfaces of the insulation layers.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: August 25, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yojiro Matsuda, Hidekazu Takahashi, Kazuaki Tashiro
  • Publication number: 20190378450
    Abstract: A display apparatus comprising a pixel provided on a substrate, the pixel including a first subpixel, a second subpixel, and a third subpixel which are arranged to be adjacent to each other and are configured to generate light components of colors different from each other, and the first, second and third subpixels comprise an organic compound layer including a light emission layer, wherein letting I1, I2, and I3 be driving current amounts of the first, second and third subpixels when generating white light of a predetermined luminance, if I1>I2>I3 holds, a current leakage between the first and third subpixels is limited as compared to that between the second and third subpixels.
    Type: Application
    Filed: May 23, 2019
    Publication date: December 12, 2019
    Inventor: Yojiro Matsuda
  • Publication number: 20190334115
    Abstract: A device comprising a first layer, a sealing layer and a resin layer stacked in that order and an organic layer arranged between the first layer and the sealing layer in a pixel region is provided. The first, sealing and resin layers have openings for exposing an electrode in a peripheral region. The sealing layer includes second and third layers each having a water permeability lower than the first layer, and a fourth layer arranged between the second layer and the third layer and having a defect density lower than the second layer. A step of the second layer arranged above the end of the opening of the first layer is covered with the fourth layer and a step of the third layer arranged above the end of the opening of the first layer is covered with the resin layer.
    Type: Application
    Filed: March 27, 2019
    Publication date: October 31, 2019
    Inventors: Yojiro Matsuda, Masaki Kurihara, Daisuke Shimoyama, Hiroaki Naruse
  • Patent number: 10367113
    Abstract: A device uses a light-emitting material. The device includes an upper and a lower electrode, a first photoelectric conversion portion disposed between the upper electrode and the lower electrode, a second photoelectric conversion portion, a first readout circuit connected to the first photoelectric conversion portion, and a second readout circuit connected to the second photoelectric conversion portion. The second photoelectric conversion portion converts light emitted from the light-emitting material into electrical charges.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: July 30, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tetsuo Takahashi, Hidekazu Takahashi, Naoki Yamada, Yojiro Matsuda, Masumi Itabashi, Hirokazu Miyashita, Kazuaki Tashiro
  • Publication number: 20180019363
    Abstract: A device uses a light-emitting material. The device includes an upper and a lower electrode, a first photoelectric conversion portion disposed between the upper electrode and the lower electrode, a second photoelectric conversion portion, a first readout circuit connected to the first photoelectric conversion portion, and a second readout circuit connected to the second photoelectric conversion portion. The second photoelectric conversion portion converts light emitted from the light-emitting material into electrical charges.
    Type: Application
    Filed: July 11, 2017
    Publication date: January 18, 2018
    Inventors: Tetsuo Takahashi, Hidekazu Takahashi, Naoki Yamada, Yojiro Matsuda, Masumi Itabashi, Hirokazu Miyashita, Kazuaki Tashiro
  • Patent number: 9818957
    Abstract: Provided is an organic light emitting element having stable performance in the air.
    Type: Grant
    Filed: February 2, 2015
    Date of Patent: November 14, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yosuke Nishide, Jun Kamatani, Hiroki Ohrui, Yojiro Matsuda, Masanori Muratsubaki, Satoru Shiobara, Tetsuo Takahashi, Haruna Iida
  • Publication number: 20170309684
    Abstract: The present disclosure provides a photoelectric conversion device including a semiconductor substrate including a signal output portion, an electrode, and an organic compound layer disposed between the signal output portion and the electrode and including a photoelectric conversion layer, wherein the signal output portion is in contact with the organic compound layer.
    Type: Application
    Filed: April 20, 2017
    Publication date: October 26, 2017
    Inventors: Naoki Yamada, Hidekazu Takahashi, Yojiro Matsuda, Tetsuo Takahashi, Hirokazu Miyashita, Masumi Itabashi, Kazuaki Tashiro
  • Publication number: 20170280078
    Abstract: The present disclosure provides a photoelectric conversion apparatus which includes a semiconductor substrate, signal output units disposed on the semiconductor substrate, a plurality of photoelectric conversion layers disposed on a surface of the substrate, and an upper electrode in this order. The photoelectric conversion apparatus further includes insulation layers which are disposed between the plurality of photoelectric conversion layers and which have lines connected to power supply units. The upper electrode and the lines are electrically connected to each other on side surfaces of the insulation layers.
    Type: Application
    Filed: March 17, 2017
    Publication date: September 28, 2017
    Inventors: Yojiro Matsuda, Hidekazu Takahashi, Kazuaki Tashiro
  • Patent number: 9705089
    Abstract: Provided is an organic light emitting element having stable performance in the air. The organic light emitting element includes: an anode; a cathode; and an emission layer placed between the anode and the cathode, in which: the organic light emitting element further includes a first organic compound layer placed between the cathode and the emission layer, and a second organic compound layer placed between the emission layer and the first organic compound layer, and contacted with the first organic compound layer; the first organic compound layer contains a first organic compound; the second organic compound layer contains a second organic compound; and the first organic compound includes a viologen compound represented by the following general formula [1] and the second organic compound includes an organic compound different from the viologen compound.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: July 11, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yosuke Nishide, Jun Kamatani, Hiroki Ohrui, Yojiro Matsuda, Masanori Muratsubaki, Satoru Shiobara, Tetsuo Takahashi, Haruna Iida
  • Patent number: 9547252
    Abstract: Provided is an organic light emitting device, including: a lower electrode; an upper electrode and a substrate having an electrode pad portion, in which when an angle formed by a slant in section of a film end in a region between the lower electrode and the electrode pad portion and a surface of the substrate is given as ?1, Formula (1) and Formula (2) are satisfied; and when an angle formed by a slant in section of a film end in at least a part of other regions than the region between the lower electrode and the electrode pad portion and the surface of the substrate is given as ?3, Formula (3) and Formula (4) are satisfied. tan(?1)=d1/d2??(1) tan(?1)<0.2??(2) tan(?3)=d3/d4??(3) tan(?3)?0.
    Type: Grant
    Filed: June 9, 2015
    Date of Patent: January 17, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Nobutaka Mizuno, Kiyofumi Sakaguchi, Satoru Shiobara, Yojiro Matsuda