Patents by Inventor Katsushi Kishimoto

Katsushi Kishimoto 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: 20230403919
    Abstract: An organic light-emitting display apparatus capable of a high-quality image includings a substrate, a first pixel electrode over the substrate, and a first color emission layer disposed over the first pixel electrode and has an upper surface on which a distance in a direction perpendicular to a surface of the substrate between a highest point and a lowest point is about 400 ? to about 900 ?.
    Type: Application
    Filed: June 13, 2022
    Publication date: December 14, 2023
    Inventors: Hyunsuk PARK, Katsushi Kishimoto
  • Publication number: 20220255033
    Abstract: An organic light-emitting display apparatus includes: a first pixel electrode; a second pixel electrode spaced apart from the first pixel electrode and comprising a top surface that is flatter than a top surface of the first pixel electrode; a first color emission layer on the first pixel electrode; and a second color emission layer on the second pixel electrode and configured to emit light having a wavelength longer than a wavelength of light emitted by the first color emission layer.
    Type: Application
    Filed: October 12, 2021
    Publication date: August 11, 2022
    Inventors: Hyunsuk Park, Katsushi KISHIMOTO
  • Patent number: 11264571
    Abstract: A bake system may include a chamber having an internal space, a stage disposed in the internal space of the chamber and on which a target substrate is disposed, a gas ejection structure providing a process gas in the chamber, an exhaust structure, an atmosphere analyzer monitoring moisture and oxygen in the chamber, and a gas supplier controlling a flow rate of the process gas based on information provided from the atmosphere analyzer. The exhaust structure may include a suction part disposed in the internal space, and an exhaust part connected to the suction part and is disposed outside the chamber.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: March 1, 2022
    Inventor: Katsushi Kishimoto
  • Patent number: 11211576
    Abstract: An organic light-emitting device including an anode electrode, a hole injection layer on the anode electrode, a hole transport layer on the hole injection layer, an emissive layer on the hole transport layer, and a cathode electrode on the emissive layer. A material of the hole injection layer includes a nitrogen-containing compound having a quinoid structure and a nitrogen-containing compound having a benzenoid structure. A ratio of a peak intensity IB to a peak intensity IA (IB/IA) in a Fourier transform infrared spectroscopy (FTIR) spectrum of the material of the hole injection layer ranges from 1.5 to 2.5, the peak intensity IA and the peak intensity IB being further defined.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: December 28, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Katsushi Kishimoto, Yoon Ho Kang, Dong Hoon Kwak
  • Publication number: 20200168830
    Abstract: An organic light-emitting device including an anode electrode, a hole injection layer on the anode electrode, a hole transport layer on the hole injection layer, an emissive layer on the hole transport layer, and a cathode electrode on the emissive layer. A material of the hole injection layer includes a nitrogen-containing compound having a quinoid structure and a nitrogen-containing compound having a benzenoid structure. A ratio of a peak intensity IB to a peak intensity IA (IB/IA) in a Fourier transform infrared spectroscopy (FTIR) spectrum of the material of the hole injection layer ranges from 1.5 to 2.5, the peak intensity IA and the peak intensity IB being further defined.
    Type: Application
    Filed: January 30, 2020
    Publication date: May 28, 2020
    Inventors: Katsushi KISHIMOTO, Yoon Ho KANG, Dong Hoon KWAK
  • Publication number: 20200152879
    Abstract: A bake system may include a chamber having an internal space, a stage disposed in the internal space of the chamber and on which a target substrate is disposed, a gas ejection structure providing a process gas in the chamber, an exhaust structure, an atmosphere analyzer monitoring moisture and oxygen in the chamber, and a gas supplier controlling a flow rate of the process gas based on information provided from the atmosphere analyzer. The exhaust structure may include a suction part disposed in the internal space, and an exhaust part connected to the suction part and is disposed outside the chamber.
    Type: Application
    Filed: October 17, 2019
    Publication date: May 14, 2020
    Inventor: KATSUSHI KISHIMOTO
  • Patent number: 10573841
    Abstract: An organic light-emitting device including an anode electrode, a hole injection layer on the anode electrode, a hole transport layer on the hole injection layer, an emissive layer on the hole transport layer, and a cathode electrode on the emissive layer. A material of the hole injection layer includes a nitrogen-containing compound having a quinoid structure and a nitrogen-containing compound having a benzenoid structure. A ratio of a peak intensity IB to a peak intensity IA (IB/IA) in a Fourier transform infrared spectroscopy (FTIR) spectrum of the material of the hole injection layer ranges from 1.5 to 2.5, the peak intensity IA and the peak intensity IB being further defined.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: February 25, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Katsushi Kishimoto, Yoon Ho Kang, Dong Hoon Kwak
  • Patent number: 10052657
    Abstract: A method of manufacturing a film includes disposing a substrate under one side of a baffle plate in a film manufacturing space, the baffle plate having a plurality of through-holes, and spraying an inert gas toward the substrate through a plurality of nozzle tips branched from a gas distribution pipe that is disposed over an other side of the baffle plate such that the inert gas penetrates the baffle plate through the through-holes.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: August 21, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Katsushi Kishimoto
  • Patent number: 10032922
    Abstract: A thin-film transistor, including a substrate; an active layer on the substrate; a gate electrode on the active layer; and a gate insulating layer between the active layer and the gate electrode, the active layer including a channel region; source and drain regions at opposite sides of the channel region; and lightly doped regions between the channel region and the source region and between the channel region and the drain region, the source and drain regions being doped with a first element, and the lightly doped regions being doped with a second element different from the first element.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: July 24, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Katsushi Kishimoto
  • Patent number: 10032927
    Abstract: An oxide sputtering target includes at least one of indium (In), zinc (Zn), tin (Sn), and gallium (Ga), and tungsten (W) in an amount from 0.005 mol % to 1 mol %.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: July 24, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Katsushi Kishimoto, Yoshinori Tanaka, Yeon Keon Moon, Sang Woo Sohn, Sang Won Shin, Takayuki Fukasawa
  • Publication number: 20170352830
    Abstract: An organic light-emitting device including an anode electrode, a hole injection layer on the anode electrode, a hole transport layer on the hole injection layer, an emissive layer on the hole transport layer, and a cathode electrode on the emissive layer. A material of the hole injection layer includes a nitrogen-containing compound having a quinoid structure and a nitrogen-containing compound having a benzenoid structure. A ratio of a peak intensity IB to a peak intensity IA (IB/IA) in a Fourier transform infrared spectroscopy (FTIR) spectrum of the material of the hole injection layer ranges from 1.5 to 2.5, the peak intensity IA and the peak intensity IB being further defined.
    Type: Application
    Filed: February 24, 2017
    Publication date: December 7, 2017
    Inventors: Katsushi KISHIMOTO, Yoon Ho KANG, Dong Hoon KWAK
  • Publication number: 20170317318
    Abstract: A method of manufacturing a film includes disposing a substrate under one side of a baffle plate in a film manufacturing space, the baffle plate having a plurality of through-holes, and spraying an inert gas toward the substrate through a plurality of nozzle tips branched from a gas distribution pipe that is disposed over an other side of the baffle plate such that the inert gas penetrates the baffle plate through the through-holes.
    Type: Application
    Filed: August 15, 2016
    Publication date: November 2, 2017
    Inventor: Katsushi KISHIMOTO
  • Patent number: 9799712
    Abstract: A method of manufacturing a light-emitting display device, the method including forming a first electrode on a substrate for each pixel of a plurality of pixels; forming a pixel defining film on the first electrode such that the pixel defining film includes an opening exposing the first electrode; and forming an organic layer on the first electrode, wherein forming the organic layer includes providing an organic solution into the opening of the pixel defining film, and drying the organic solution by performing an exhaust process in a state where an air current is provided by using a drying gas such that the air current is sequentially composed of a position facing the organic solution, a position to which the organic solution is discharged, and a position facing the organic solution.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: October 24, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Katsushi Kishimoto, Atsushi Kitabayashi, Jae Kwon Hwang
  • Patent number: 9722089
    Abstract: A thin film transistor array panel includes a substrate and a gate line disposed on the substrate. The gate line includes a gate electrode. A gate insulating layer is disposed on the gate line. An oxide semiconductor layer is disposed on the gate insulating layer. The oxide semiconductor layer at least partially overlaps the gate electrode. A data line is disposed on the oxide semiconductor layer. The data line includes a source electrode and a drain electrode facing the source electrode. The oxide semiconductor layer includes tungsten, indium, zinc, or tin.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: August 1, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yeon Keon Moon, Sang Woo Sohn, Katsushi Kishimoto, Takayuki Fukasawa, Sang Won Shin
  • Publication number: 20170207282
    Abstract: A method of manufacturing a light-emitting display device, the method including forming a first electrode on a substrate for each pixel of a plurality of pixels; forming a pixel defining film on the first electrode such that the pixel defining film includes an opening exposing the first electrode; and forming an organic layer on the first electrode, wherein forming the organic layer includes providing an organic solution into the opening of the pixel defining film, and drying the organic solution by performing an exhaust process in a state where an air current is provided by using a drying gas such that the air current is sequentially composed of a position facing the organic solution, a position to which the organic solution is discharged, and a position facing the organic solution.
    Type: Application
    Filed: July 14, 2016
    Publication date: July 20, 2017
    Inventors: Katsushi KISHIMOTO, Atsushi KITABAYASHI, Jae Kwon HWANG
  • Patent number: 9644270
    Abstract: An oxide semiconductor depositing apparatus includes a heating chamber which is configured to heat and plasma-treat a first substrate including an insulation layer, and includes a chamber body, a heater disposed in the chamber body which is configured to heat the first substrate, and a cathode plate spaced apart from the heater, a high frequency voltage applied to the cathode plate, and a first process chamber which is configured to provide an oxide semiconductor layer on the insulation layer of the first substrate.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: May 9, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Katsushi Kishimoto, Yeon-Keon Moon, Sang-Woo Sohn, Takayuki Fukasawa, Sang-Won Shin
  • Publication number: 20170092773
    Abstract: An oxide sputtering target includes at least one of indium (In), zinc (Zn), tin (Sn), and gallium (Ga), and tungsten (W) in an amount from 0.005 mol % to 1 mol %.
    Type: Application
    Filed: December 9, 2016
    Publication date: March 30, 2017
    Inventors: KATSUSHI KISHIMOTO, YOSHINORI TANAKA, YEON KEON MOON, SANG WOO SOHN, SANG WON SHIN, TAKAYUKI FUKASAWA
  • Patent number: 9543444
    Abstract: An oxide sputtering target includes at least one of indium (In), zinc (Zn), tin (Sn), and gallium (Ga), and tungsten (W) in an amount from 0.005 mol % to 1 mol %.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: January 10, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Katsushi Kishimoto, Yoshinori Tanaka, Yeon Keon Moon, Sang Woo Sohn, Sang Won Shin, Takayuki Fukasawa
  • Patent number: 9530622
    Abstract: A sputtering device and a gas supply pipe for a sputter device are disclosed. In one aspect, the sputtering device includes a chamber, a stage located in the chamber and configured to receive a substrate thereon, and a plurality of gas supply pipes arranged substantially parallel to each other. The gas supply pipes have a plurality of gas supply holes and the gas supply pipes are configured to supply gas into the chamber. The sputtering device further includes at least one exhaust pump placed at a side of the chamber, wherein the exhaust pump is substantially symmetrically arranged with respect to a center axis of the side of the chamber.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: December 27, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Takayuki Fukasawa, Yeon-Keon Moon, Sang-Woo Sohn, Katsushi Kishimoto, Sang-Won Shin
  • Patent number: 9484200
    Abstract: A thin film transistor includes a gate electrode, a source electrode, a drain electrode disposed on the same layer as the source electrode and facing the source electrode, an oxide semiconductor layer disposed between the gate electrode and the source electrode or the drain electrode, and a gate insulating layer disposed between the gate electrode and the source electrode or the drain electrode, in which the oxide semiconductor layer includes thallium and at least one of indium, zinc, tin, and gallium. Also an oxide sputtering target including: an oxide including thallium (Tl); and at least one of indium, zinc, tin, and gallium.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: November 1, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Katsushi Kishimoto, Takayuki Fukasawa