Patents by Inventor Ichinori Takada

Ichinori Takada 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).

  • MONOAMINE COMPOUND AND LIGHT EMITTING ELEMENT INCLUDING THE SAME
    Publication number: 20240023429
    Abstract: Provided are a monoamine compound and a light emitting element including the same.
    Type: Application
    Filed: January 31, 2023
    Publication date: January 18, 2024
    Inventors: Ichinori TAKADA, Akinori YAMATANI, Ichiro IMADA, Hiroaki ITOI
  • Organic electroluminescence device and monoamine compound for organic electroluminescence device
    Patent number: 11871656
    Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: January 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hideo Miyake, Masatsugu Ueno, Xiulan Jin, Ichinori Takada, Takuya Uno, Hiroaki Itoi
  • Organic electroluminescence device and monoamine compound for organic electroluminescence device
    Patent number: 11832512
    Abstract: An organic electroluminescence device including a monoamine compound represented by the following Formula 1 in at least one of a plurality of organic layers, and a monoamine compound represented by the following Formula 1 are provided. The monoamine compound represented by Formula 1 may be represented by the following Formula 2-1 or 2-2.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: November 28, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Ichinori Takada
  • Organic electroluminescence device and monoamine compound for organic electroluminescence device
    Patent number: 11805697
    Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region.
    Type: Grant
    Filed: September 16, 2022
    Date of Patent: October 31, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hideo Miyake, Masatsugu Ueno, Xiulan Jin, Ichinori Takada, Takuya Uno, Hiroaki Itoi
  • Organic electroluminescence device and amine compound for organic electroluminescence device
    Patent number: 11716901
    Abstract: An organic electroluminescence device comprising an amine compound is represented by Formula 1 as a hole transport material. where Ar1, Ar2, Ar3, and L1 are as defined in the specification.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: August 1, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hideo Miyake, Hiroaki Itoi, Takuya Uno, Masatsugu Ueno, Xiulan Jin, Ichinori Takada
  • LIGHT EMITTING DEVICE AND AMINE COMPOUND FOR LIGHT EMITTING DEVICE
    Publication number: 20230200223
    Abstract: A light emitting device that includes a first electrode, a second electrode oppositely disposed to the first electrode, and multiple functional layers between the first electrode and the second electrode is provided.
    Type: Application
    Filed: September 15, 2022
    Publication date: June 22, 2023
    Inventor: Ichinori TAKADA
  • LUMINESCENCE DEVICE AND AMINE COMPOUND FOR LUMINESCENCE DEVICE
    Publication number: 20230107477
    Abstract: A luminescence device of an embodiment includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the hole transport region includes an amine compound represented by Formula 1, thereby showing high emission efficiency and long life span.
    Type: Application
    Filed: January 26, 2022
    Publication date: April 6, 2023
    Inventors: Takuya UNO, Ichinori TAKADA
  • LUMINESCENCE DEVICE AND AMINE COMPOUND FOR LUMINESCENCE DEVICE
    Publication number: 20230078029
    Abstract: A luminescence device of an embodiment includes a first electrode, a hole transport region disposed on the first electrode, an emission layer disposed on the hole transport region, an electron transport region disposed on the emission layer, and a second electrode disposed on the electron transport region, wherein the hole transport region includes an amine compound represented by Formula 1, thereby showing high efficiency and long life span.
    Type: Application
    Filed: October 4, 2021
    Publication date: March 16, 2023
    Inventors: Takuya UNO, Ichinori TAKADA
  • ORGANIC ELECTROLUMINESCENCE DEVICE AND MONOAMINE COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE
    Publication number: 20230055036
    Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region.
    Type: Application
    Filed: September 16, 2022
    Publication date: February 23, 2023
    Inventors: Hideo MIYAKE, Masatsugu UENO, Xiulan JIN, Ichinori TAKADA, Takuya UNO, Hiroaki ITOI
  • Monoamine compound and organic electroluminescence device including the same
    Patent number: 11575086
    Abstract: Provided are a monoamine compound and an organic electroluminescence device including the same.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: February 7, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ichinori Takada, Akinori Yamatani, Ichiro Imada, Hiroaki Itoi
  • Organic electroluminescence device and amine compound for organic electroluminescence device
    Patent number: 11502257
    Abstract: Provided are an organic electroluminescence device including an amine compound represented by Formula 1 in at least one of a plurality of organic layers and an amine compound represented by Formula 1.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: November 15, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ichiro Imada, Ichinori Takada
  • Organic electroluminescence device and amine compound for organic electroluminescence device
    Patent number: 11374182
    Abstract: Provided is an organic electroluminescence device, including a first electrode, a hole transport region that is on the first electrode and includes an amine compound represented by the following Formula 1, an emission layer on the hole transport region, an electron transport region on the emission layer, and a second electrode on the electron transport region,
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: June 28, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Xiulan Jin, Ichinori Takada
  • Monoamine compound and organic electroluminescence device including the same
    Patent number: 11230521
    Abstract: An monoamine compound and an organic electroluminescence device including the monoamine compound, the monoamine compound being represented by the following Formula 1:
    Type: Grant
    Filed: March 15, 2018
    Date of Patent: January 25, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ichinori Takada, Takuya Uno, Xiulan Jin
  • MATERIAL FOR ORGANIC ELECTROLUMINESCENT DEVICE AND ORGANIC ELECTROLUMINESCENT DEVICE INCLUDING THE SAME
    Publication number: 20210305515
    Abstract: A material for an organic electroluminescent device having high emission efficiency and long life and an organic electroluminescent device including the same. The material for an organic electroluminescent device is represented by the following Formula 1.
    Type: Application
    Filed: May 28, 2021
    Publication date: September 30, 2021
    Inventors: Hiroaki Itoi, Ichinori Takada, Koushin Matsuoka, Masatsugu Ueno, Naoya Sakamoto, Hiromi Nakano, Nobutaka Akashi, Hideo Miyake, Xiulan Jin, Asami Sakamoto, Junta Fuchiwaki
  • Organic electroluminescence device and amine compound for organic electroluminescence device
    Patent number: 11101442
    Abstract: An organic electroluminescence device and an amine compound for an organic electroluminescence device are provided. The amine compound according to an embodiment of the present disclosure is represented by Formula 1.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: August 24, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hideo Miyake, Takuya Uno, Ichinori Takada, Hiroaki Itoi
  • Material for organic electroluminescent device and organic electroluminescent device including the same
    Patent number: 11050025
    Abstract: A material for an organic electroluminescent device having high emission efficiency and long life and an organic electroluminescent device including the same. The material for an organic electroluminescent device is represented by the following Formula 1.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: June 29, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hiroaki Itoi, Ichinori Takada, Koushin Matsuoka, Masatsugu Ueno, Naoya Sakamoto, Hiromi Nakano, Nobutaka Akashi, Hideo Miyake, Xiulan Jin, Asami Sakamoto, Junta Fuchiwaki
  • Organic electroluminescence device and monoamine compound for organic electroluminescence device
    Patent number: 11038111
    Abstract: An organic electroluminescence device includes a first electrode and a second electrode which are positioned facing each other, and at least one organic layer between the first electrode and the second electrode, wherein the at least one organic layer includes a monoamine compound which is represented by Formula 1 and includes at least one adamantyl group as a substituent, thereby achieving improved device efficiency:
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: June 15, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ichinori Takada, Ichiro Imada
  • MONOAMINE COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE INCLUDING THE SAME
    Publication number: 20210135110
    Abstract: Provided are a monoamine compound and an organic electroluminescence device including the same.
    Type: Application
    Filed: January 7, 2021
    Publication date: May 6, 2021
    Inventors: Ichinori TAKADA, Akinori YAMATANI, Ichiro IMADA, Hiroaki ITOI
  • ORGANIC ELECTROLUMINESCENCE DEVICE AND AMINE COMPOUND FOR ORGANIC ELECTROLUMINESCENCE DEVICE
    Publication number: 20210066597
    Abstract: An organic electroluminescence device comprising an amine compound is represented by Formula 1 as a hole transport material. where Ar1, Ar2, Ar3, and L1 are as defined in the specification.
    Type: Application
    Filed: November 11, 2020
    Publication date: March 4, 2021
    Inventors: Hideo MIYAKE, Hiroaki ITOI, Takuya UNO, Masatsugu UENO, Xiulan JIN, Ichinori TAKADA
  • Material for organic electroluminescent device and organic electroluminescent device using the same
    Patent number: 10937969
    Abstract: A novel and improved material for an organic electroluminescent device includes at least one monoamine compound represented by any one of the following Formulae I to III: In Formulae I to III, Ar is a substituted or unsubstituted aryl group having 6 to 50 carbon atoms for forming a ring. The organic electroluminescent device including the material may have improved emission life.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: March 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hideo Miyake, Ichinori Takada, Hiromi Nakano