Patents by Inventor Jun Kamatani

Jun Kamatani 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: 20190013484
    Abstract: Provided is an organic light-emitting element having high luminous efficiency and a long lifetime. The organic light-emitting element includes a pair of electrodes and an organic compound layer placed between the pair of electrodes, in which the organic compound layer includes an iridium complex having a benzo[f]isoquinoline of a specific structure as a ligand and a metal complex compound of a specific structure.
    Type: Application
    Filed: September 17, 2018
    Publication date: January 10, 2019
    Inventors: Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Shigemoto Abe, Yosuke Nishide, Hirokazu Miyashita, Kengo Kishino, Akihito Saitoh
  • Publication number: 20190013469
    Abstract: Provided is an organic photoelectric conversion element including: an electron-collecting electrode; a hole-collecting electrode; and a photoelectric converter, which is arranged between the electron-collecting electrode and the hole-collecting electrode, wherein the photoelectric converter includes at least a first organic compound layer, and wherein the first organic compound layer contains a compound represented by the following general formula [1].
    Type: Application
    Filed: August 28, 2018
    Publication date: January 10, 2019
    Inventors: Hirokazu Miyashita, Yosuke Nishide, Naoki Yamada, Jun Kamatani
  • Publication number: 20180342559
    Abstract: An organic photoelectric conversion element includes an electron-collecting electrode, a hole-collecting electrode, and a photoelectric conversion portion which is disposed between the electron-collecting electrode and the hole-collecting electrode. The photoelectric conversion portion includes a first organic compound layer. A second organic compound layer is disposed between the hole-collecting electrode and the photoelectric conversion portion. The first organic compound layer contains a first compound having at least a fullerene skeleton and a second compound having a fluoranthene skeleton.
    Type: Application
    Filed: August 6, 2018
    Publication date: November 29, 2018
    Inventors: Jun Kamatani, Naoki Yamada, Hiroki Ohrui, Kengo Kishino, Hironobu Iwawaki, Satoru Shiobara, Tomona Yamaguchi, Masumi Itabashi, Yosuke Nishide, Hirokazu Miyashita
  • Publication number: 20180342685
    Abstract: Provided is an organic metal complex having a structure represented by the following general formula (1): MLmL?n??(1) where: M represents a metal atom selected from Ir, Pt, Rh, Os, and Zn; L and L?, which are different from each other, each represent a bidentate ligand; m represents an integer of 1 to 3 and n represents an integer of 0 to 2, provided that m+n is 3; a partial structure MLm represents a structure represented by the following general formula (2): and a partial structure ML?n represents a structure including a monovalent bidentate ligand.
    Type: Application
    Filed: July 26, 2018
    Publication date: November 29, 2018
    Inventors: Jun Kamatani, Masashi Hashimoto, Satoshi Igawa, I, Shinjiro Okada
  • Patent number: 10109807
    Abstract: Provided is an organic light-emitting element having high luminous efficiency and a long lifetime. The organic light-emitting element includes a pair of electrodes and an organic compound layer placed between the pair of electrodes, in which the organic compound layer includes an iridium complex having a benzo[f]isoquinoline of a specific structure as a ligand and a metal complex compound of a specific structure.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: October 23, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Shigemoto Abe, Yosuke Nishide, Hirokazu Miyashita, Kengo Kishino, Akihito Saitoh
  • Publication number: 20180294418
    Abstract: A 2,2?-bibenzo[d]imidazolidene compound expressed by the following general formula (1). In general formula (1), A1 to Ar4 each represent a substituted or unsubstituted heteromonocyclic group. R1 to R8 each represent a hydrogen atom or a substituent.
    Type: Application
    Filed: March 24, 2016
    Publication date: October 11, 2018
    Inventors: Jun Kamatani, Yosuke Nishide, Hirokazu Miyashita, Naoki Yamada
  • Patent number: 10069089
    Abstract: Provided is an organic metal complex having a structure represented by the following general formula (1): MLmL?n??(1) where: M represents a metal atom selected from Ir, Pt, Rh, Os, and Zn; L and L?, which are different from each other, each represent a bidentate ligand; m represents an integer of 1 to 3 and n represents an integer of 0 to 2, provided that m+n is 3; a partial structure MLm represents a structure represented by the following general formula (2): and a partial structure ML?n represents a structure including a monovalent bidentate ligand.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: September 4, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Jun Kamatani, Masashi Hashimoto, Satoshi Igawa, I, Shinjiro Okada
  • Patent number: 10038152
    Abstract: Provided is an organic light-emitting element improved in luminous efficiency and lifetime. The organic light-emitting element includes a pair of electrodes and an organic compound layer placed between the pair of electrodes, in which the organic compound layer includes an iridium complex having a benzo[f]isoquinoline of a specific structure as a ligand and a heterocycle-containing compound of a specific structure.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: July 31, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tetsuya Kosuge, Yosuke Nishide, Hirokazu Miyashita, Shigemoto Abe, Takayuki Horiuchi, Naoki Yamada, Jun Kamatani, Akihito Saitoh, Kengo Kishino
  • Patent number: 9991451
    Abstract: An organic light-emitting device is provided that is driven with a low voltage and has a high luminous efficiency and a long device lifetime. The organic light-emitting device includes an anode, a cathode, a light-emitting layer disposed between the anode and the cathode, and an organic compound layer disposed between the cathode and the light-emitting layer and being in contact with the cathode.
    Type: Grant
    Filed: April 13, 2015
    Date of Patent: June 5, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Naoki Yamada, Jun Kamatani, Takayuki Ito, Itaru Takaya, Minako Nakasu
  • Patent number: 9991450
    Abstract: A spiro[cyclopenta[def]triphenylene-4,9?-fluorene] compound having a high triplet energy level and a high glass transition temperature further providing an excellent organic light-emitting device including the compound to achieve a high luminous efficiency and a low driving voltage.
    Type: Grant
    Filed: October 11, 2011
    Date of Patent: June 5, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Chiaki Nishiura, Jun Kamatani, Naoki Yamada, Kenichi Ikari
  • Publication number: 20180138432
    Abstract: The present disclosure provides a photoelectric conversion element including a lower electrode, a photoelectric conversion layer, and an upper electrode in this order; a voltage is applied between the lower electrode and the upper electrode; the photoelectric conversion layer contains a first organic compound and a second organic compound; the first organic compound has a lower oxidation potential than the second organic compound, and ?E represented by the following formula (A) satisfies the following formula (B); where ?E=oxidation potential of first organic compound?reduction potential of second organic compound (A) ?E?1.
    Type: Application
    Filed: November 7, 2017
    Publication date: May 17, 2018
    Inventors: Satoru Shiobara, Naoki Yamada, Tetsuo Takahashi, Jun Kamatani, Yosuke Nishide, Hirokazu Miyashita, Tomona Yamaguchi, Hironobu Iwawaki, Hiroki Ohrui, Masumi Itabashi, Norifumi Kajimoto
  • Patent number: 9960370
    Abstract: Provided is an organic light-emitting device improved in emission efficiency and lifetime. The organic light-emitting device includes a pair of electrodes and an organic compound layer disposed between the pair of electrodes, in which: the organic compound layer includes a benzo[f]isoquinoline iridium complex of a specific structure and a hydrocarbon compound of a specific structure; and the hydrocarbon compound is a compound formed only of an SP2 carbon atom and a hydrogen atom.
    Type: Grant
    Filed: December 25, 2013
    Date of Patent: May 1, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kengo Kishino, Akihito Saitoh, Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Shigemoto Abe, Yosuke Nishide, Hirokazu Miyashita
  • Patent number: 9960366
    Abstract: Provided is an organic light emitting element that has high moisture resistance, is driven at a low voltage, has high efficiency, and has a long lifetime. Specifically, provided is an organic light emitting element, including: an anode; a cathode; and an organic compound layer arranged between the anode and the cathode, in which: the organic compound layer includes an organic functional layer; and the organic functional layer contains an organic compound represented by the following general formula [1].
    Type: Grant
    Filed: January 15, 2016
    Date of Patent: May 1, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Naoki Yamada, Jun Kamatani, Yosuke Nishide
  • Publication number: 20180108691
    Abstract: An organic photoelectric conversion element includes an anode, a cathode, and a photoelectric conversion portion between the anode and the cathode. The photoelectric conversion portion includes a first organic compound layer containing an organic compound. Also, a second organic compound layer is disposed between the cathode and the photoelectric conversion portion. The second organic compound layer contains an organic compound having an ionization potential of 5.1 eV or less and a band gap of 2.5 eV or more.
    Type: Application
    Filed: May 24, 2016
    Publication date: April 19, 2018
    Inventors: Jun Kamatani, Naoki Yamada, Masumi Itabashi, Yosuke Nishide, Hirokazu Miyashita, Tetsuya Kosuge, Satoru Shiobara, Tetsuo Takahashi, Akihiro Senoo, Kentaro Ito, Satoshi Ota
  • Patent number: 9917264
    Abstract: Provided is an organic light-emitting element having high light-emitting efficiency and a long element lifetime, the organic light-emitting element including an anode, a cathode, and an organic compound layer placed between the anode and the cathode, in which: the organic compound layer includes an emission layer; the emission layer includes a host and a guest; the host is an aromatic hydrocarbon compound; the guest is an iridium complex of a specific structure; and a content of the host is 50 wt % or more with reference to the total amount of the constituent materials for the emission layer.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: March 13, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takayuki Horiuchi, Kengo Kishino, Hirokazu Miyashita, Yosuke Nishide, Tetsuya Kosuge, Naoki Yamada, Jun Kamatani, Akihito Saitoh, Shigemoto Abe
  • Patent number: 9911921
    Abstract: Provided is an organic light-emitting device capable of outputting light with high efficiency and high luminance. The organic light-emitting device includes an anode, a cathode, an emission layer placed between the anode and the cathode, and an organic compound layer placed between the anode and the emission layer, in which the organic compound layer contains the following compound A and compound B: [Compound A] an organic compound free of a nitrogen atom and a metal atom, the compound having SP2 carbon atoms and SP3 carbon atoms, and having a ratio of the number of the SP3 carbon atoms to the number of the SP2 carbon atoms of 40% or more; and [Compound B] a compound having a tertiary amine structure.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: March 6, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naoki Yamada, Jun Kamatani, Akihito Saitoh, Yosuke Nishide, Masanori Muratsubaki, Ryuji Ishii, Koichi Ishige, Takayuki Ito, Norifumi Kajimoto, Nobutaka Mizuno
  • Patent number: 9899613
    Abstract: Provided is an organic light-emitting element having high light-emitting efficiency and a long element lifetime. Specifically, provided is an organic light-emitting element, including: an anode; a cathode; and an organic compound layer placed between the anode and the cathode, in which: the organic compound layer includes an emission layer; the emission layer includes at least a host and a guest; the guest is an iridium complex of a specific structure; the host is a heterocycle-containing compound; and a content of the host is 50 wt % or more with reference to a total amount of constituent materials for the emission layer.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: February 20, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takayuki Horiuchi, Tetsuya Kosuge, Hirokazu Miyashita, Yosuke Nishide, Shigemoto Abe, Naoki Yamada, Jun Kamatani, Akihito Saitoh, Kengo Kishino
  • Patent number: 9882148
    Abstract: A bibenzo[d]imidazolidene compound inert to oxygen is provided. A 1,1?,3,3?-tetraphenyl-2,2?-bibenzo[d]imidazolidene compound is represented by general formula (1). In formula (1), R1 to R28 are each independently selected from a hydrogen atom and a substituent. The substituent is any of a halogen atom, an alkyl group containing 1 or more and 8 or less carbon atoms, and a substituted or unsubstituted aryl group. At least one of R1 to R28 is the substituent.
    Type: Grant
    Filed: June 22, 2015
    Date of Patent: January 30, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Jun Kamatani, Tetsuya Kosuge, Masumi Itabashi, Yosuke Nishide, Hirokazu Miyashita, Naoki Yamada, Tetsuo Takahashi, Satoru Shiobara
  • Patent number: 9846385
    Abstract: An organic light emitting element contains an anode and a cathode, and a light emitting layer arranged between the anode and the cathode, and the organic light emitting element further contains an organic compound layer which is arranged between the cathode and the light emitting layer, and touches the cathode. The organic compound layer contains an organic compound represented by the following general formula [1], where R1 to R4 represent substituents.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: December 19, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Jun Kamatani, Tetsuya Kosuge, Masumi Itabashi, Yosuke Nishide, Hirokazu Miyashita, Naoki Yamada
  • Patent number: 9842997
    Abstract: An organic light emitting element contains an anode and a cathode, and a light emitting layer arranged between the anode and the cathode. The organic light emitting element further contains an organic compound layer which is arranged between the cathode and the light emitting layer and touches the cathode. The organic compound layer contains a bisimidazolidene compound represented by the following general formula [1], where R1 to R12 represent substituents.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: December 12, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Jun Kamatani, Tetsuya Kosuge, Masumi Itabashi, Yosuke Nishide, Hirokazu Miyashita, Naoki Yamada