Patents by Inventor Haruhi Oooka

Haruhi Oooka 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: 10950391
    Abstract: A method for manufacturing a photoelectric conversion device, that includes: forming a laminate structure of a substrate, a transparent electrode, an active layer produced by wet-coating, and a counter electrode, stacked in this order; and thereafter forming a cavity by: (a) pressing an adhesive material just against a defect formed on the surface of said counter electrode, and then peeling off said adhesive material together with said defect and the peripheral part thereof; or (b) sucking a defect formed on the surface of said counter electrode, so as to remove said defect and the peripheral part thereof, where said cavity penetrates through the counter electrode and unreached to the transparent electrode.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: March 16, 2021
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Shigehiko Mori, Hideyuki Nakao, Takeshi Gotanda, Haruhi Oooka, Kenji Todori, Kenji Fujinaga
  • Patent number: 10892370
    Abstract: A photoelectric conversion device of an embodiment includes: a first photoelectric conversion part including a first transparent electrode provided on a transparent substrate, a first active layer, and a first counter electrode; and a second photoelectric conversion part including a second transparent electrode, a second active layer, and a second counter electrode. A conductive layer containing noble metal as a main component is formed on a partial region of the second transparent electrode, and a fine particle layer having a stack of fine particles is formed on the conductive layer. The first counter electrode and the second transparent electrode are electrically connected by a connection part having a scribe groove penetrating through the fine particle layer from the second active layer and exposing a surface of the conductive layer, and a conductive layer having a part of the first counter electrode filled in the scribe groove.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: January 12, 2021
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Haruhi Oooka, Hideyuki Nakao
  • Publication number: 20200411704
    Abstract: A photoelectric conversion element includes: a first photoelectric conversion layer including: a bottom electrode; a photoelectric conversion layer; and a top electrode; and a second photoelectric conversion part including: a bottom electrode; a photoelectric conversion part; and a top electrode. A conductive layer is formed on the bottom electrode. The top electrode and the bottom electrode are electrically connected by a conductive portion and the conductive layer. The conductive portion is formed of a part of the top electrode filled in a first groove that makes a surface of the conductive layer exposed and separates a photoelectric conversion layer and a photoelectric conversion layer from each other. The top electrodes are physically separated by a second groove provided to make a step surface of a stepped portion provided in the photoelectric conversion layer exposed and have a bottom surface thereof overlap the surface of the conductive layer.
    Type: Application
    Filed: September 10, 2020
    Publication date: December 31, 2020
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Haruhi OOOKA, Kenji TODORI, Kenji FUJINAGA
  • Publication number: 20200402725
    Abstract: A photoelectric conversion device includes: a substrate; a first photoelectric conversion element including a first substrate electrode, a first active layer and a first counter electrode; a second photoelectric conversion element including a second substrate electrode, a second active layer, and a second counter electrode; and a connection connecting the first counter electrode and the second substrate electrode. The second active layer is represented by a composition formula: A?BX?, where A denotes at least one cation selected from monovalent cations, B denotes at least one cation selected from bivalent cations, and X denotes at least one ion selected from monovalent halogen ions; and the second active layer has a first and a second compound layer, the first compound layer containing a first compound satisfying 0.95??, and 2.95??, and the second compound layer containing a second compound satisfying ?<0.95, and ?<2.95.
    Type: Application
    Filed: September 4, 2020
    Publication date: December 24, 2020
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Haruhi OOOKA, Hideyuki NAKAO, Kenji FUJINAGA
  • Publication number: 20200343394
    Abstract: A photoelectric conversion device of an embodiment includes: a first photoelectric conversion part including a first transparent electrode provided on a transparent substrate, a first active layer, and a first counter electrode; and a second photoelectric conversion part including a second transparent electrode, a second active layer, and a second counter electrode. A conductive layer containing noble metal as a main component is formed on a partial region of the second transparent electrode, and a fine particle layer having a stack of fine particles is formed on the conductive layer. The first counter electrode and the second transparent electrode are electrically connected by a connection part having a scribe groove penetrating through the fine particle layer from the second active layer and exposing a surface of the conductive layer, and a conductive layer having a part of the first counter electrode filled in the scribe groove.
    Type: Application
    Filed: July 6, 2020
    Publication date: October 29, 2020
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Haruhi OOOKA, Hideyuki NAKAO
  • Patent number: 10749059
    Abstract: A photoelectric conversion device of an embodiment includes: a first photoelectric conversion part including a first transparent electrode provided on a transparent substrate, a first active layer, and a first counter electrode; and a second photoelectric conversion part including a second transparent electrode, a second active layer, and a second counter electrode. A conductive layer containing noble metal as a main component is formed on a partial region of the second transparent electrode, and a fine particle layer having a stack of fine particles is formed on the conductive layer. The first counter electrode and the second transparent electrode are electrically connected by a connection part having a scribe groove penetrating through the fine particle layer from the second active layer and exposing a surface of the conductive layer, and a conductive layer having a part of the first counter electrode filled in the scribe groove.
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: August 18, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Haruhi Oooka, Hideyuki Nakao
  • Patent number: 10714270
    Abstract: The present embodiments provide a flexible, lightweight and highly efficient photoelectric conversion device and further provide a manufacturing method thereof. The photoelectric conversion device according to the embodiment comprises a laminate structure of a substrate, an ITO electrode, a photoelectric conversion layer and a counter electrode. When subjected to surface X-ray diffraction analysis, the ITO electrode shows an X-ray diffraction profile characterized in that the peak at a diffraction peak position in the range of 2?=30.6±0.5° has a half-width of 1.0° or less. The ITO electrode in the device can be formed by forming an amorphous-phase ITO film on the substrate and then by subjecting the film to annealing treatment at a temperature of 200° or less.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: July 14, 2020
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Shigehiko Mori, Takeshi Gotanda, Haruhi Oooka, Kenji Todori
  • Publication number: 20200212302
    Abstract: A photoelectric conversion material dispersion liquid of an embodiment includes: perovskite crystal particles having a composition represented as ABX3, where A is a monovalent cation of an amine compound, B is a divalent cation of a metal element, and X is a monovalent anion of a halogen element, and having an average particle diameter of not less than 10 nm nor more than 10000 nm; and a dispersion medium which is composed of a poor solvent to the perovskite crystal particles, and in which the perovskite crystal particles are dispersed.
    Type: Application
    Filed: March 10, 2020
    Publication date: July 2, 2020
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Haruhi OOOKA, Hideyuki NAKAO, Mitsunaga SAITO
  • Publication number: 20200203084
    Abstract: A photoelectric conversion element comprises: a photoelectric conversion layer; a first compound layer including a first supporting member and a first compound, the first compound being supported by the first supporting member, being not in contact with the photoelectric conversion layer, and being liquid or gelatinous in an environment to use the element; and a second compound layer including a second supporting member and a second compound, the second compound being supported by the second supporting member, being not in contact with the photoelectric conversion layer and the first compound, and being liquid or gelatinous in the environment.
    Type: Application
    Filed: March 6, 2020
    Publication date: June 25, 2020
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Haruhi OOOKA, Kenji Todori, Kenji Fujinaga
  • Patent number: 10644238
    Abstract: The embodiment provides a method and an apparatus for manufacturing a semiconductor element showing high conversion efficiency and having a perovskite structure. The embodiment is a method for manufacturing a semiconductor element comprising an active layer having a perovskite structure. Said active layer is produced by the steps of: forming a coating film by directly or indirectly coating a first or second electrode with a coating solution containing a precursor compound for the perovskite structure and an organic solvent capable of dissolving said precursor compound; and then starting to blow a gas onto said coating film before formation reaction of the perovskite structure is completed in said coating film. Another embodiment is an apparatus for manufacturing a semiconductor element according to the above method.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: May 5, 2020
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Takeshi Gotanda, Shigehiko Mori, Akihiro Matsui, Haruhi Oooka
  • Publication number: 20200043672
    Abstract: A method for manufacturing a photoelectric conversion device, that includes: forming a laminate structure of a substrate, a transparent electrode, an active layer produced by wet-coating, and a counter electrode, stacked in this order; and thereafter forming a cavity by: (a) pressing an adhesive material just against a defect formed on the surface of said counter electrode, and then peeling off said adhesive material together with said defect and the peripheral part thereof; or (b) sucking a defect formed on the surface of said counter electrode, so as to remove said defect and the peripheral part thereof, where said cavity penetrates through the counter electrode and unreached to the transparent electrode.
    Type: Application
    Filed: October 11, 2019
    Publication date: February 6, 2020
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Shigehiko MORI, Hideyuki NAKAO, Takeshi GOTANDA, Haruhi OOOKA, Kenji TODORI, Kenji FUJINAGA
  • Patent number: 10468616
    Abstract: A method of manufacturing a photoelectric conversion device of an embodiment includes: forming a layer on a substrate; and drying this layer. The layer contains a p-type semiconductor, an n-type semiconductor, and a compound represented by the following formula (1). The layer is dried under pressures of 100 Pa or less and substrate temperatures of 40 to 200° C.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: November 5, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Haruhi Oooka, Atsuko Iida, Hideyuki Nakao, Kenji Todori, Takeshi Gotanda
  • Patent number: 10388465
    Abstract: The present embodiments provide a highly durable semiconductor element capable of generating electricity or emitting light with high efficiency, and further provide a manufacturing method thereof. The semiconductor element according to the embodiment comprises a first electrode, a second electrode, an active layer and a substrate, and is characterized in that the active layer contains crystals oriented anisotropically. For manufacturing the element, the active layer is produced by the steps of: applying a coating solution containing precursor compounds of the active layer and an organic solvent capable of dissolving the precursor compounds, to form a coating film; and then growing the crystals in a specific direction parallel to the surface of the coating film.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: August 20, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Takeshi Gotanda, Haruhi Oooka
  • Patent number: 10305055
    Abstract: A photoelectric conversion device of an embodiment includes: a first photoelectric conversion part including a first transparent electrode, a first organic active layer, and a first counter electrode; and a second photoelectric conversion part including a second transparent electrode, a second organic active layer, and a second counter electrode, which are provided on a transparent substrate. A conductive layer is formed on a partial region, of the second transparent electrode, which is adjacent to the first transparent electrode. The first counter electrode and the second transparent electrode are electrically connected by a connection part including a groove formed from a surface of the second organic active layer to reach an inside of the conductive layer and a part of the first counter electrode filled in the groove.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: May 28, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Haruhi Oooka, Hideyuki Nakao
  • Publication number: 20190088417
    Abstract: The present embodiments provide a photoelectric conversion device having a laminate structure of a substrate, a transparent electrode, an active layer, and a counter electrode, stacked in this order. In the device, a cavity is provided on the counter electrode-side. The cavity penetrates through the counter electrode and has an opening area larger in the counter electrode than in the active layer.
    Type: Application
    Filed: March 13, 2018
    Publication date: March 21, 2019
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Shigehiko MORI, Hideyuki NAKAO, Takeshi GOTANDA, Haruhi OOOKA, Kenji TODORI, Kenji FUJINAGA
  • Patent number: 10236322
    Abstract: A solar cell module according to an embodiment includes: a light transmissive first substrate; a second substrate; at least one cell array disposed between the first substrate and the second substrate, the cell array including a plurality of cells arranged, each of the cells including a first electrode disposed on the first substrate, an organic photoelectric conversion film disposed on the first electrode, and a second electrode disposed on the organic photoelectric conversion film; a plurality of light transmissive partition walls disposed at portions on the first substrate, the portions being located between adjacent ones of the cells and at both end portions of the cell array; and a first resin film disposed between the second substrate and each of the cells between adjacent ones of the partition walls, the cells being connected in series.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: March 19, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Atsuko Iida, Takeshi Gotanda, Hideyuki Nakao, Haruhi Oooka, Rumiko Hayase, Shigehiko Mori, Kenji Todori
  • Publication number: 20190081194
    Abstract: A photoelectric conversion device of an embodiment includes: a first photoelectric conversion part including a first transparent electrode provided on a transparent substrate, a first active layer, and a first counter electrode; and a second photoelectric conversion part including a second transparent electrode, a second active layer, and a second counter electrode. A conductive layer containing noble metal as a main component is formed on a partial region of the second transparent electrode, and a fine particle layer having a stack of fine particles is formed on the conductive layer. The first counter electrode and the second transparent electrode are electrically connected by a connection part having a scribe groove penetrating through the fine particle layer from the second active layer and exposing a surface of the conductive layer, and a conductive layer having a part of the first counter electrode filled in the scribe groove.
    Type: Application
    Filed: March 15, 2018
    Publication date: March 14, 2019
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Haruhi Oooka, Hideyuki Nakao
  • Patent number: 10205110
    Abstract: A photoelectric conversion element includes: a substrate having an element formation surface; a first electrode provided on the element formation surface and extending along one direction of the element formation surface up to an end portion of the element formation surface; a photoelectric conversion layer provided above the first electrode and including a first region having a first thickness and a second region extending from an end portion of the first region up to an end portion of the first electrode and having a second thickness larger than the first thickness; and a second electrode provided above the first and second regions and extending up to an end portion of the photoelectric conversion layer.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: February 12, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Haruhi Oooka, Hideyuki Nakao
  • Patent number: 10199590
    Abstract: In accordance with one embodiment, there is provided a photovoltaic cell module including a plurality of photovoltaic cell structures including a hole transport layer and an electron transport layer which are disposed on a common photoelectric conversion layer so that electromotive force polarities are alternately different, wherein the photovoltaic cell structures are electrically connected in series.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: February 5, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hideyuki Nakao, Satoshi Takayama, Akihiko Ono, Haruhi Oooka, Michihiko Inaba
  • Publication number: 20190019952
    Abstract: The embodiment provides a method and an apparatus for manufacturing a semiconductor element showing high conversion efficiency and having a perovskite structure. The embodiment is a method for manufacturing a semiconductor element comprising an active layer having a perovskite structure. Said active layer is produced by the steps of: forming a coating film by directly or indirectly coating a first or second electrode with a coating solution containing a precursor compound for the perovskite structure and an organic solvent capable of dissolving said precursor compound; and then starting to blow a gas onto said coating film before formation reaction of the perovskite structure is completed in said coating film. Another embodiment is an apparatus for manufacturing a semiconductor element according to the above method.
    Type: Application
    Filed: September 17, 2018
    Publication date: January 17, 2019
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Takeshi Gotanda, Shigehiko Mori, Akihiro Matsui, Haruhi Oooka