Patents by Inventor Makoto Nakazawa

Makoto Nakazawa 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: 20250116898
    Abstract: A color filter substrate includes first and second color filters exhibiting different colors and a light blocking portion. The light blocking portion includes a first transmissive film, a first reflective film on an upper layer side of the first transmissive film, a second transmissive film on an upper layer side of the first reflective film, and a second reflective film on an upper layer side of the second transmissive film and being thicker than the first reflective film. The first transmissive film includes a first bottom surface and a first side surface being inclined at a first angle with respect to the first bottom surface. The second reflective film includes a second bottom surface extending parallel to the first bottom surface and a second side surface being inclined at a second angle with respect to the second bottom surface. The first angle and the second angle are acute angles.
    Type: Application
    Filed: August 2, 2024
    Publication date: April 10, 2025
    Inventors: Makoto NAKAZAWA, Keisuke YOSHIDA
  • Patent number: 12253636
    Abstract: A photoelectric conversion panel includes multiple thin-film transistors (TFTs) formed on an substrate, photodiodes respectively connected to the TFTs, and a metal layer formed on a light incident side of the photodiodes. The metal layer is formed in a position to overlap a subset of the photodiodes in a plan view.
    Type: Grant
    Filed: May 27, 2022
    Date of Patent: March 18, 2025
    Assignee: Sharp Display Technology Corporation
    Inventors: Rikiya Takita, Fumiki Nakano, Makoto Nakazawa, Hiroyuki Moriwaki
  • Patent number: 12224303
    Abstract: In a manufacturing method of a photoelectric conversion panel, a contact hole CH3 that exposes a part of an upper face of a photodiode and a contact hole CH2 that exposes a source connection electrode are formed in a first flattening film and in inorganic insulating films 105a to 105c, an inorganic insulating film 107 is formed, contact holes CH2a and CH3a are formed in the contact holes CH2 and CH3, respectively, and a bias line and a data line are formed in the contact holes CH2a and CH3a, respectively.
    Type: Grant
    Filed: May 15, 2023
    Date of Patent: February 11, 2025
    Assignee: Sharp Display Technology Corporation
    Inventors: Makoto Nakazawa, Hiroyuki Moriwaki, Rikiya Takita, Tetsuya Tanishima
  • Publication number: 20250022907
    Abstract: A manufacturing method of a photoelectric conversion panel includes forming a short ring, forming a plurality of data lines connected to a TFT and the short ring, forming a first conductive portion of a bias line connected to the photodiode in an upper layer above the photodiode, electrically blocking the short ring and the TFT from each other by cutting the plurality of data lines after the forming of the first conductive portion, and forming an inorganic insulating film in a blocking portion created by the plurality of data lines being cut.
    Type: Application
    Filed: June 6, 2024
    Publication date: January 16, 2025
    Inventors: Rikiya TAKITA, Fumiki Nakano, Makoto Nakazawa, Hiroyuki Moriwaki
  • Patent number: 11984409
    Abstract: A photoelectric conversion panel includes a thin-film transistor provided in a first region, a photoelectric conversion element provided in the first region, a first organic film having a first groove portion provided in a second region, a second organic film having a second groove portion provided in the second region and in a position different from that of the first groove portion, a first inorganic film formed so as to cover the first organic film and cover an inner surface of the first groove portion, and a second inorganic film formed so as to cover the second organic film and cover an inner surface of the second groove portion.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: May 14, 2024
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Fumiki Nakano, Makoto Nakazawa, Hiroyuki Moriwaki, Rikiya Takita
  • Patent number: 11916094
    Abstract: A photoelectric conversion panel includes: a thin film transistor; a first organic film formed in an upper layer with respect to the thin film transistor; a photoelectric conversion element formed in an upper layer with respect to the first organic film; and a first inorganic insulating film formed so as to cover at least a part of the first organic film, wherein the first inorganic insulating film has a through hole that exposes a part of the first organic film.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: February 27, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Hiroyuki Moriwaki, Makoto Nakazawa, Tetsuya Tanishima, Rikiya Takita
  • Patent number: 11843022
    Abstract: An X-ray imaging panel includes: a photodiode that converts scintillation light that is obtained from an X-ray that passes through an object into a signal; a first thin-film transistor; a first insulating film that covers at least a part of the first thin-film transistor and that has a first opening above the first thin-film transistor; a lower electrode that is disposed below the photodiode, that covers at least a part of the first insulating film, that is formed in the first opening of the first insulating film, and that is connected to the first thin-film transistor in the first opening; and a second insulating film that is disposed above the lower electrode and that is formed in the first opening. The photodiode covers the first opening in which the second insulating film is formed, and the photodiode is connected to the lower electrode.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: December 12, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Rikiya Takita, Akinori Kubota, Hiroyuki Moriwaki, Makoto Nakazawa
  • Publication number: 20230387177
    Abstract: In a manufacturing method of a photoelectric conversion panel, a contact hole CH3 that exposes a part of an upper face of a photodiode and a contact hole CH2 that exposes a source connection electrode are formed in a first flattening film and in inorganic insulating films 105a to 105c, an inorganic insulating film 107 is formed, contact holes CH2a and CH3a are formed in the contact holes CH2 and CH3, respectively, and a bias line and a data line are formed in the contact holes CH2a and CH3a, respectively.
    Type: Application
    Filed: May 15, 2023
    Publication date: November 30, 2023
    Inventors: Makoto NAKAZAWA, Hiroyuki MORIWAKI, Rikiya TAKITA, Tetsuya TANISHIMA
  • Patent number: 11784208
    Abstract: A photoelectric conversion device according to one embodiment includes a first transistor and a first photoelectric conversion element disposed on a first region, a second transistor disposed on a second region, an insulating layer that covers the first transistor, the first photoelectric conversion element, and the second transistor, and a first terminal that is disposed on the insulating layer, is electrically connected to one of the first transistor and the first photoelectric conversion element, and is connectable to an outside. The second transistor is a dummy transistor of the first transistor.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: October 10, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Fumiki Nakano, Makoto Nakazawa, Hiroyuki Moriwaki, Rikiya Takita
  • Patent number: 11714203
    Abstract: According to an aspect, an active matrix substrate of an X-ray imaging panel includes: an active matrix substrate having a pixel region including a plurality of pixels; and a scintillator that converts X-rays projected onto the X-ray imaging panel to scintillation light. The plurality of pixels include respective photoelectric conversion elements. The active matrix substrate further includes a first planarizing film that covers the photoelectric conversion elements, is formed from an organic resin film, and has a plurality of first contact holes and a first wiring line that is formed in the first contact holes and in a layer upper than the first planarizing film and connected to the photoelectric conversion elements within the first contact holes.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: August 1, 2023
    Assignee: Sharp Display Technology Corporation
    Inventors: Makoto Nakazawa, Rikiya Takita, Fumiki Nakano
  • Patent number: 11600652
    Abstract: A photoelectric conversion panel includes: a thin film transistor; a first organic film formed in an upper layer with respect to the thin film transistor; a photoelectric conversion element formed in an upper layer with respect to the first organic film; a first inorganic layer formed so as to cover at least a part of the photoelectric conversion element, and to cover the first organic film; and a second organic film formed in an upper layer with respect to the first organic film, wherein the first inorganic layer is provided with a first through hole connecting the first organic film and the second organic film.
    Type: Grant
    Filed: June 8, 2021
    Date of Patent: March 7, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hiroyuki Moriwaki, Makoto Nakazawa, Tetsuya Tanishima, Rikiya Takita
  • Publication number: 20230030238
    Abstract: A photoelectric conversion panel includes: a thin film transistor; a first organic film formed in an upper layer with respect to the thin film transistor; a photoelectric conversion element formed in an upper layer with respect to the first organic film; and a first inorganic insulating film formed so as to cover at least a part of the first organic film, wherein the first inorganic insulating film has a through hole that exposes a part of the first organic film.
    Type: Application
    Filed: August 2, 2021
    Publication date: February 2, 2023
    Inventors: Hiroyuki MORIWAKI, Makoto NAKAZAWA, Tetsuya TANISHIMA, Rikiya TAKITA
  • Publication number: 20220392946
    Abstract: A photoelectric conversion device according to one embodiment includes a first transistor and a first photoelectric conversion element disposed on a first region, a second transistor disposed on a second region, an insulating layer that covers the first transistor, the first photoelectric conversion element, and the second transistor, and a first terminal that is disposed on the insulating layer, is electrically connected to one of the first transistor and the first photoelectric conversion element, and is connectable to an outside. The second transistor is a dummy transistor of the first transistor.
    Type: Application
    Filed: May 24, 2022
    Publication date: December 8, 2022
    Inventors: FUMIKI NAKANO, MAKOTO NAKAZAWA, HIROYUKI MORIWAKI, RIKIYA TAKITA
  • Publication number: 20220390624
    Abstract: A photoelectric conversion panel includes multiple thin-film transistors (TFTs) formed on an substrate, photodiodes respectively connected to the TFTs, and a metal layer formed on a light incident side of the photodiodes. The metal layer is formed in a position to overlap a subset of the photodiodes in a plan view.
    Type: Application
    Filed: May 27, 2022
    Publication date: December 8, 2022
    Inventors: Rikiya TAKITA, Fumiki NAKANO, Makoto NAKAZAWA, Hiroyuki MORIWAKI
  • Publication number: 20220342092
    Abstract: According to an aspect, an active matrix substrate of an X-ray imaging panel includes: an active matrix substrate having a pixel region including a plurality of pixels; and a scintillator that converts X-rays projected onto the X-ray imaging panel to scintillation light. The plurality of pixels include respective photoelectric conversion elements. The active matrix substrate further includes a first planarizing film that covers the photoelectric conversion elements, is formed from an organic resin film, and has a plurality of first contact holes and a first wiring line that is formed in the first contact holes and in a layer upper than the first planarizing film and connected to the photoelectric conversion elements within the first contact holes.
    Type: Application
    Filed: April 12, 2022
    Publication date: October 27, 2022
    Inventors: Makoto NAKAZAWA, Rikiya TAKITA, Fumiki NAKANO
  • Publication number: 20220181379
    Abstract: An X-ray imaging panel includes: a photodiode that converts scintillation light that is obtained from an X-ray that passes through an object into a signal; a first thin-film transistor; a first insulating film that covers at least a part of the first thin-film transistor and that has a first opening above the first thin-film transistor; a lower electrode that is disposed below the photodiode, that covers at least a part of the first insulating film, that is formed in the first opening of the first insulating film, and that is connected to the first thin-film transistor in the first opening; and a second insulating film that is disposed above the lower electrode and that is formed in the first opening. The photodiode covers the first opening in which the second insulating film is formed, and the photodiode is connected to the lower electrode.
    Type: Application
    Filed: November 29, 2021
    Publication date: June 9, 2022
    Inventors: RIKIYA TAKITA, AKINORI KUBOTA, HIROYUKI MORIWAKI, MAKOTO NAKAZAWA
  • Publication number: 20220045019
    Abstract: A photoelectric conversion panel includes a thin-film transistor provided in a first region, a photoelectric conversion element provided in the first region, a first organic film having a first groove portion provided in a second region, a second organic film having a second groove portion provided in the second region and in a position different from that of the first groove portion, a first inorganic film formed so as to cover the first organic film and cover an inner surface of the first groove portion, and a second inorganic film formed so as to cover the second organic film and cover an inner surface of the second groove portion.
    Type: Application
    Filed: August 5, 2021
    Publication date: February 10, 2022
    Inventors: FUMIKI NAKANO, MAKOTO NAKAZAWA, HIROYUKI MORIWAKI, RIKIYA TAKITA
  • Publication number: 20210391374
    Abstract: A photoelectric conversion panel includes: a thin film transistor; a first organic film formed in an upper layer with respect to the thin film transistor; a photoelectric conversion element formed in an upper layer with respect to the first organic film; a first inorganic layer formed so as to cover at least a part of the photoelectric conversion element, and to cover the first organic film; and a second organic film formed in an upper layer with respect to the first organic film, wherein the first inorganic layer is provided with a first through hole connecting the first organic film and the second organic film.
    Type: Application
    Filed: June 8, 2021
    Publication date: December 16, 2021
    Inventors: HIROYUKI MORIWAKI, MAKOTO NAKAZAWA, TETSUYA TANISHIMA, RIKIYA TAKITA
  • Patent number: 11139651
    Abstract: An imaging panel includes multiple photoelectric conversion elements respectively mounted in multiple pixels defined by multiple gate lines and data lines formed on a substrate. The imaging panel further includes, outside pixel regions defined by the pixels, multiple first non-linear elements respectively connected to the data lines, multiple first protective wiring respectively connected to the data lines, and a first common wiring connected to the first non-linear elements. Each of the first non-linear elements is connected in a reverse-biased state between the data line connected to the first non-linear element and the first common wiring. Each of the first protective wiring extends to the edge of the substrate.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: October 5, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hiroyuki Moriwaki, Makoto Nakazawa, Akinori Kubota, Fumiki Nakano
  • Patent number: 11133347
    Abstract: An active matrix substrate includes a photoelectric conversion element 12, a first inorganic insulating film 106, a first planarizing film 107, and a second inorganic insulating film 108a and/or 109 on a substrate 101. The first inorganic insulating film 106, the first planarizing film 107, and the second inorganic insulating film 108a and/or 109 are provided up to an end P2 of the substrate. The first inorganic insulating film 106 covers a surface of the photoelectric conversion element 12, the first planarizing film 107 has a tapered portion, and an angle ? between the tapered portion and the first inorganic insulating film 106 is an acute angle. The second inorganic insulating film 108a and/or 109 covers the first planarizing film 107.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: September 28, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Makoto Nakazawa, Fumiki Nakano, Rikiya Takita