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).

  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Patent number: 10930854
    Abstract: Provided are a material for an organic electroluminescence device and an organic electroluminescence device including the same. The material for an organic electroluminescence device is a monoamine compound represented by the following General Formula (1). where X1 is one selected from O, S, R9—C—R10, or N—R11, R1 to R11 are each independently alkyl having 10 or less carbon atoms, aryl having 6 to 30 carbon atoms for forming a ring, alkyloxy, alkylthio, trialkylsilyl, aryloxy, arylthio, triarylsilyl, alkyldiarylsilyl, dialkylarylsilyl, or heteroaryl having 2 to 30 carbon atoms for forming a ring, n is an integer of 0 to 4, m is an integer of 0 to 3, and o is an integer of 0 to 2.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: February 23, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ichinori Takada, Naoya Sakamoto
  • Patent number: 10923663
    Abstract: Provided are a monoamine compound and an organic electroluminescence device including the same.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: February 16, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ichinori Takada, Akinori Yamatani, Ichiro Imada, Hiroaki Itoi
  • Patent number: 10910578
    Abstract: A polycyclic compound and an organic electroluminescence, the polycyclic compound being represented by the following Formula 1:
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: February 2, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ichinori Takada, Masatsugu Ueno, Ichiro Imada
  • Patent number: 10879471
    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: March 22, 2018
    Date of Patent: December 29, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hideo Miyake, Hiroaki Itoi, Takuya Uno, Masatsugu Ueno, Xiulan Jin, Ichinori Takada
  • Publication number: 20200235297
    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: April 7, 2020
    Publication date: July 23, 2020
    Inventors: Hideo MIYAKE, Masatsugu UENO, Xiulan JIN, Ichinori TAKADA, Takuya UNO, Hiroaki ITOI
  • Publication number: 20200168797
    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: Application
    Filed: September 9, 2019
    Publication date: May 28, 2020
    Inventor: Ichinori TAKADA
  • Publication number: 20200127208
    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: Application
    Filed: October 16, 2019
    Publication date: April 23, 2020
    Inventors: Ichiro IMADA, Ichinori TAKADA
  • Patent number: 10629830
    Abstract: An amine derivative represented by the following General Formula (1) is provided. In the above General Formula (1), Ar1, Ar2 and Ar3 are independently a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group, at least one of Ar1, Ar2 and Ar3 is substituted with a substituted or unsubstituted silyl group, and L is a single bond, a substituted or unsubstituted arylene group, or a substituted or unsubstituted heteroarylene group.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: April 21, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junta Fuchiwaki, Hiromi Oyama, Yasuo Miyata, Naoya Sakamoto, Masatsugu Ueno, Ichinori Takada
  • Publication number: 20200083466
    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: Application
    Filed: July 29, 2019
    Publication date: March 12, 2020
    Inventors: Xiulan JIN, Ichinori TAKADA
  • Publication number: 20190288214
    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: Application
    Filed: June 6, 2019
    Publication date: September 19, 2019
    Inventors: Hideo Miyake, Ichinori Takada, Hiromi Nakano
  • Publication number: 20190237668
    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: January 24, 2019
    Publication date: August 1, 2019
    Inventors: Hideo MIYAKE, Masatsugu UENO, Xiulan JIN, Ichinori TAKADA, Takuya UNO, Hiroaki ITOI
  • Publication number: 20190237676
    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: January 23, 2019
    Publication date: August 1, 2019
    Inventors: Hideo MIYAKE, Masatsugu UENO, Xiulan JIN, Ichinori TAKADA, Takuya UNO, Hiroaki ITOI
  • Patent number: 10347844
    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: October 28, 2015
    Date of Patent: July 9, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hideo Miyake, Ichinori Takada, Hiromi Nakano