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: 20190097157
    Abstract: A polycyclic compound and an organic electroluminescence, the polycyclic compound being represented by the following Formula 1:
    Type: Application
    Filed: July 11, 2018
    Publication date: March 28, 2019
    Inventors: Ichinori TAKADA, Masatsugu UENO, Ichiro IMADA
  • Patent number: 10205102
    Abstract: A material for an organic electroluminescent device including a monoamine derivative represented by Formula 1: In Formula 1, Ar may be a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, other than a substituted or unsubstituted phenanthryl group, and R1 to R18 may each independently be selected from hydrogen, deuterium, a cyano group, a fluorine group (e.g., fluorine), a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: February 12, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventor: Ichinori Takada
  • Publication number: 20190039996
    Abstract: An monoamine compound and an organic electroluminescence device including the monoamine compound, the monoamine compound being represented by the following Formula 1:
    Type: Application
    Filed: March 15, 2018
    Publication date: February 7, 2019
    Inventors: Ichinori TAKADA, Takuya UNO, Xiulan JIN
  • Patent number: 10164197
    Abstract: An organic electroluminescent device having improved emission efficiency includes an anode, an emission layer, an anode-side hole transport layer between the anode and the emission layer and mainly including an electron accepting material, a middle hole transport material layer between the anode-side hole transport layer and the emission layer and including a middle hole transport material, and an emission layer-side hole transport layer between the middle hole transport material layer and the emission layer, adjacent to the emission layer and including an emission layer-side hole transport material represented by the following Formula 1.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: December 25, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kazunori Morimoto, Naoya Sakamoto, Ichinori Takada
  • Publication number: 20180331290
    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: March 22, 2018
    Publication date: November 15, 2018
    Inventors: Hideo MIYAKE, Hiroaki ITOI, Takuya UNO, Masatsugu UENO, Xiulan JIN, Ichinori TAKADA
  • Publication number: 20180233671
    Abstract: A material for an organic electroluminescent device and an organic electroluminescent device including the same, the material including a monoamine compound represented by the following Formula 1:
    Type: Application
    Filed: April 18, 2018
    Publication date: August 16, 2018
    Inventors: Hideo MIYAKE, Ichinori TAKADA
  • Publication number: 20180233670
    Abstract: A material for an organic electroluminescent device and an organic electroluminescent device including the same, the material including a monoamine compound represented by the following Formula 1:
    Type: Application
    Filed: April 17, 2018
    Publication date: August 16, 2018
    Inventors: Hideo MIYAKE, Ichinori TAKADA
  • Patent number: 9972787
    Abstract: A material for an organic electroluminescent device and an organic electroluminescent device including the same, the material including a monoamine compound represented by the following Formula 1:
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: May 15, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hideo Miyake, Ichinori Takada
  • Publication number: 20180114907
    Abstract: Provided are a monoamine compound and an organic electroluminescence device including the same.
    Type: Application
    Filed: October 20, 2017
    Publication date: April 26, 2018
    Inventors: Ichinori TAKADA, Akinori YAMATANI, Ichiro IMADA, Hiroaki ITOI
  • Patent number: 9929355
    Abstract: An amine compound is represented by the following Formula 1: The amine compound may be included in at least one of the layers positioned between an anode and an emission layer of an organic electroluminescent device. The amine compound may improve the emission lifetime of the organic electroluminescent device including the amine compound.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: March 27, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ichinori Takada, Hiroaki Itoi
  • Publication number: 20180019416
    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: Application
    Filed: September 27, 2017
    Publication date: January 18, 2018
    Inventors: Junta FUCHIWAKI, Hiromi OYAMA, Yasuo MIYATA, Naoya SAKAMOTO, Masatsugu UENO, Ichinori TAKADA
  • Patent number: 9780317
    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: June 4, 2015
    Date of Patent: October 3, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junta Fuchiwaki, Hiromi Oyama, Yasuo Miyata, Naoya Sakamoto, Masatsugu Ueno, Ichinori Takada
  • Publication number: 20170133591
    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: Application
    Filed: August 11, 2015
    Publication date: May 11, 2017
    Inventors: Ichinori TAKADA, Naoya SAKAMOTO
  • Patent number: 9590186
    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 5.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: March 7, 2017
    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
  • Publication number: 20160380197
    Abstract: An organic electroluminescent device having improved emission efficiency includes an anode, an emission layer, an anode-side hole transport layer between the anode and the emission layer and mainly including an electron accepting material, a middle hole transport material layer between the anode-side hole transport layer and the emission layer and including a middle hole transport material, and an emission layer-side hole transport layer between the middle hole transport material layer and the emission layer, adjacent to the emission layer and including an emission layer-side hole transport material represented by the following Formula 1.
    Type: Application
    Filed: March 22, 2016
    Publication date: December 29, 2016
    Inventors: Kazunori Morimoto, Naoya Sakamoto, Ichinori Takada
  • Publication number: 20160372665
    Abstract: A material for an organic electroluminescent device including a monoamine derivative represented by Formula 1: In Formula 1, Ar may be a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, other than a substituted or unsubstituted phenanthryl group, and R1 to R18 may each independently be selected from hydrogen, deuterium, a cyano group, a fluorine group (e.g., fluorine), a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, and a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring.
    Type: Application
    Filed: March 21, 2016
    Publication date: December 22, 2016
    Inventor: Ichinori Takada
  • Patent number: 9461251
    Abstract: Provided are a novel anthracene derivative of a specific structure in which benzofuran or benzothiophene is bonded to anthracene through an arylene group, a material for an organic electroluminescence device and a light emitting material for an organic electroluminescence device each containing the anthracene derivative, and an organic electroluminescence device including an organic thin film layer formed of one or plural layers including at least a light emitting layer, the organic thin film layer being interposed between a cathode and an anode, in which at least one layer of the organic thin film layer contains the anthracene derivative alone or as a component of a mixture. The organic electroluminescence device has high luminous efficiency and is capable of emitting light with a long lifetime, and the device can be realized by the anthracene derivative.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: October 4, 2016
    Assignees: IDEMITSU KOSAN CO., LTD., SONY CORPORATION
    Inventors: Masahiro Kawamura, Takashi Obikawa, Shigeyuki Matsunami, Ichinori Takada, Yasunori Kijima
  • Publication number: 20160197283
    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: March 10, 2016
    Publication date: July 7, 2016
    Inventors: Hiroaki Itoi, Ichinori Takada, Koushin Matsuoka, Masatsugu Ueno, Naoya Sakamoto, Hiromi Nakano, Nobutaka Akashi, Hideo Miyake, Xiulan Jin, Asami Sakamoto, Junta Fuchiwaki
  • Publication number: 20160172593
    Abstract: An amine compound is represented by the following Formula 1: The amine compound may be included in at least one of the layers positioned between an anode and an emission layer of an organic electroluminescent device. The amine compound may improve the emission lifetime of the organic electroluminescent device including the amine compound.
    Type: Application
    Filed: December 11, 2015
    Publication date: June 16, 2016
    Inventors: Ichinori Takada, Hiroaki Itoi
  • Publication number: 20160163982
    Abstract: An organic electroluminescent device includes an anode, an emission layer, an anode-side hole transport layer between the anode and the emission layer, the anode-side hole transport layer including an anode-side hole transport material doped with an electron accepting material, a middle hole transport layer between the anode-side hole transport layer and the emission layer, the middle hole transport layer including a middle hole transport material, and an emission layer-side hole transport layer between the middle hole transport layer and the emission layer, the emission layer-side hole transport layer being adjacent to the emission layer. The emission layer-side hole transport layer includes an emission layer-side hole transport material represented by Formula 1. The organic electroluminescent device may have improved emission efficiency and emission life.
    Type: Application
    Filed: December 2, 2015
    Publication date: June 9, 2016
    Inventors: Jun Ishihara, Ichinori Takada