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: 20150311441
    Abstract: A metal complex compound is expressed by the following general formula [1]: In general formula [1], M represents sodium or potassium. R1 to R16 each represent a hydrogen atom or a substituent.
    Type: Application
    Filed: April 20, 2015
    Publication date: October 29, 2015
    Inventors: Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Hirokazu Miyashita
  • Publication number: 20150303385
    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: Application
    Filed: April 13, 2015
    Publication date: October 22, 2015
    Inventors: Naoki Yamada, Jun Kamatani, Takayuki Ito, Itaru Takaya, Minako Nakasu
  • Publication number: 20150303386
    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: Application
    Filed: December 25, 2013
    Publication date: October 22, 2015
    Inventors: Kengo Kishino, Akihito Saitoh, Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Shigemoto Abe, Yosuke Nishide, Hirokazu Miyashita
  • Patent number: 9166173
    Abstract: A novel organic compound is suitable for emitting green light. An organic light-emitting device includes the novel organic compound.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: October 20, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yosuke Nishide, Jun Kamatani, Akihito Saitoh
  • Publication number: 20150295188
    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: Application
    Filed: December 24, 2013
    Publication date: October 15, 2015
    Inventors: Tetsuya Kosuge, Yosuke Nishide, Hirokazu Miyashita, Shigemoto Abe, Takayuki Horiuchi, Naoki Yamada, Jun Kamatani, Akihito Saitoh, Kengo Kishino
  • Patent number: 9155160
    Abstract: Provided is a method of manufacturing an organic electroluminescence display device including an organic electroluminescence element, which has element characteristics comparable to those in the case of a vacuum in-situ process, while utilizing a patterning approach based on photolithography. The method of manufacturing an organic electroluminescence display device includes: an organic compound layer-forming step of forming an organic compound layer at least on a first electrode; a release layer-forming step of forming a release layer on the organic compound layer; a release layer-processing step of processing the release layer; and an organic compound layer-processing step of removing the organic compound layer in a region not covered with the release layer processed in the release layer-processing step, and at least the lowermost layer out of the release layer is a deposited film formed of a material soluble in a polar solvent.
    Type: Grant
    Filed: April 11, 2012
    Date of Patent: October 6, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Taro Endo, Nobuhiko Sato, Itaru Takaya, Tomoyuki Hiroki, Koichi Ishige, Satoru Shiobara, Jun Kamatani, Yosuke Nishide
  • Publication number: 20150280175
    Abstract: This invention provides a method for manufacturing an organic light emitting element in which damages to members constituting the organic light emitting element are suppressed and a protective layer with few defects is formed by performing cleaning with liquid containing water. The manufacturing method according to this invention is a method for manufacturing an organic light emitting element including a process of preparing a lower electrode, a process of forming an organic compound layer on the lower electrode, a process of forming an upper electrode on the organic compound layer; and a process of forming a first protective layer on the upper electrode, in which the method includes, after the process of forming the organic compound layer, a process of cleaning at least one of the organic compound layer, the upper electrode, and the first protective layer with liquid containing water.
    Type: Application
    Filed: March 25, 2015
    Publication date: October 1, 2015
    Inventors: Takayuki Ito, Itaru Takaya, Seiji Mashimo, Koji Ishizuya, Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Hirokazu Miyashita
  • Patent number: 9145344
    Abstract: Provided are a novel organic compound appropriate for emission of green light and an organic light-emitting device including the organic compound. Provided is a substituted or unsubstituted indeno[1,2,3-cd]naphtho[2,3-k]fluoranthene appropriate for emission of green light. The substituents of the indeno[1,2,3-cd]naphtho[2,3-k]fluoranthene are each independently selected from a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted amino group, a substituted or unsubstituted aryl group, and a substituted or unsubstituted heterocyclic group.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: September 29, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Jun Kamatani, Naoki Yamada, Kengo Kishino, Akihito Saitoh
  • Publication number: 20150270493
    Abstract: Provided is an organic light emitting element having stable performance in the air. The organic light emitting element includes: an anode; a cathode; and an emission layer placed between the anode and the cathode, in which: the organic light emitting element further includes a first organic compound layer placed between the cathode and the emission layer, and a second organic compound layer placed between the emission layer and the first organic compound layer, and contacted with the first organic compound layer; the first organic compound layer contains a first organic compound; the second organic compound layer contains a second organic compound; and the first organic compound includes a viologen compound represented by the following general formula [1] and the second organic compound includes an organic compound different from the viologen compound.
    Type: Application
    Filed: March 20, 2015
    Publication date: September 24, 2015
    Inventors: Yosuke Nishide, Jun Kamatani, Hiroki Ohrui, Yojiro Matsuda, Masanori Muratsubaki, Satoru Shiobara, Tetsuo Takahashi, Haruna Iida
  • Publication number: 20150255727
    Abstract: The present invention provides an indeno[1,2-b]phenanthrene compound having suppressed hole transport ability. The indeno[1,2-b]phenanthrene compound represented by the general formula [1] described in Claim 1 is provided. In the formula [1], R1 and R2 each represent a hydrogen atom or an alkyl group. X1 and X2 each represent a substituent selected from the group consisting of a hydrogen atom, an alkyl group, a methoxy group, and a cyano group. A1 represents a monovalent or a divalent aromatic hydrocarbon group. A2 represents a monovalent or a divalent aromatic hydrocarbon group or a monovalent or a divalent heteroaromatic group. n represents an integer of 0 to 4. When n is 2 or more, a plurality of A2 may be identical to or different from each other.
    Type: Application
    Filed: September 10, 2013
    Publication date: September 10, 2015
    Inventors: Tetsuya Kosuge, Naoki Yamada, Jun Kamatani, Kengo Kishino
  • Patent number: 9130173
    Abstract: Provided is an excellent organic light emitting element having high emission efficiency and a low drive voltage. The organic light emitting element includes an anode, a cathode, and an organic compound layer disposed between the anode and the cathode, in which the organic compound layer includes a quinolino[3,2,1-kl]phenoxazine compound represented by the following general formula [1]: where R1 to R4 each represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, R1 to R4 may be identical to or different from each other, and Ar represents a single bond or an oligophenylene group having 6 to 18 carbon atoms.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: September 8, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shigemoto Abe, Tetsuya Kosuge, Jun Kamatani, Kengo Kishino
  • Patent number: 9099656
    Abstract: A novel organic compound suitably used for a green-light-emitting device and an organic light-emitting device are provided. An organic light-emitting device and an image display apparatus containing a naphtho[2?,3?:5,6]indeno[1,2,3-cd]pyrene derivative represented by general formula (1) as a dopant: wherein in general formula (1), R1 to R16 are each independently selected from a hydrogen atom, a halogen atom, substituted or unsubstituted alkyl groups, substituted or unsubstituted alkoxy groups, substituted or unsubstituted amino groups, substituted or unsubstituted aryl groups, and substituted or unsubstituted heterocyclic groups, and at least one of R3, R4, R9, and R10 is selected from substituted or unsubstituted aryl groups and substituted or unsubstituted heterocyclic groups.
    Type: Grant
    Filed: July 26, 2011
    Date of Patent: August 4, 2015
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tomonari Horikiri, Jun Kamatani, Masanori Muratsubaki
  • Publication number: 20150214483
    Abstract: Provided is an organic light emitting element that can be driven at a low constant voltage, exhibits high luminous efficiency, and has an excellent lifetime characteristic. The organic light emitting element includes: a pair of electrodes; and an organic compound layer arranged between the pair of electrodes, in which a layer to be brought into contact with one of the pair of electrodes in the organic compound layer contains a lithium complex compound represented by the following general formula: in the formula [1], R1 to R16 each independently represent a hydrogen atom, a halogen atom, a cyano group, an alkyl group that may be substituted with fluorine, an alkoxy group that may be substituted with fluorine, or a substituted or unsubstituted aryl group.
    Type: Application
    Filed: January 16, 2015
    Publication date: July 30, 2015
    Inventors: Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Hirokazu Miyashita
  • Patent number: 9073812
    Abstract: There is provided a novel organic compound represented by following general formula [I]and that has an excellent luminescent hue and that can produce high efficiency, high-intensity, and long-life light output, and an organic light-emitting device containing the novel organic compound, wherein X1 to X3 independently denote a hydrogen atom, an alkyl group, or an aryl group.
    Type: Grant
    Filed: April 19, 2011
    Date of Patent: July 7, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naoki Yamada, Minako Nakasu, Jun Kamatani, Akihito Saitoh
  • Publication number: 20150162545
    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: Application
    Filed: December 4, 2014
    Publication date: June 11, 2015
    Inventors: Jun Kamatani, Tetsuya Kosuge, Masumi Itabashi, Yosuke Nishide, Hirokazu Miyashita, Naoki Yamada
  • Publication number: 20150162549
    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: Application
    Filed: December 4, 2014
    Publication date: June 11, 2015
    Inventors: Jun Kamatani, Tetsuya Kosuge, Masumi Itabashi, Yosuke Nishide, Hirokazu Miyashita, Naoki Yamada
  • Patent number: 9019328
    Abstract: The present invention provides a novel organic compound having a high quantum yield and a high color purity. Provided is an organic compound represented by Formula (1) described in Claim 1. In Formula (1), R1 to R20 are each independently selected from hydrogen atoms, halogen atoms, substituted or unsubstituted alkyl groups, substituted or unsubstituted alkoxy groups, substituted or unsubstituted amino groups, substituted or unsubstituted aryl groups, substituted or unsubstituted heterocyclic groups, substituted or unsubstituted aryloxy groups, substituted or unsubstituted thiol groups, silyl groups, and cyano groups.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: April 28, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Jun Kamatani, Naoki Yamada, Akihito Saitoh
  • Patent number: 9005778
    Abstract: There is provided a novel organic compound suitably used for a blue light-emitting device and an organic light-emitting device including the novel organic compound. The organic compound is an acephenanthryleno[4,5-k]benzo[e]acephenanthrylene derivative.
    Type: Grant
    Filed: April 19, 2011
    Date of Patent: April 14, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tomonari Horikiri, Hiroyuki Tomono, Jun Kamatani
  • Patent number: 8999738
    Abstract: A method for manufacturing an organic electroluminescent display apparatus including a plurality of organic electroluminescent devices at least containing a fused ring compound having an anthracene skeleton, includes, in the following order: forming an organic electroluminescent layer on a substrate on which a first electrode has been formed; processing the organic electroluminescent layer; forming a second electrode on the organic electroluminescent layer; and providing a sealing member covering the organic electroluminescent layer, in which the organic electroluminescent layer is not exposed to an environment containing oxygen and including light of a wavelength shorter than a wavelength of a long wavelength edge of an absorption spectrum of the fused ring compound having an anthracene skeleton from forming the organic electroluminescent layer until completion of providing the sealing member.
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: April 7, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Atsushi Hamaguchi, Jun Kamatani
  • Publication number: 20150076478
    Abstract: A metal coordination compound represented by any one of formulas (1)-(5). An organic luminescence device including an anode, a cathode, and an organic layer, which contains the metal coordination compound, disposed between the anode and the cathode.
    Type: Application
    Filed: November 6, 2014
    Publication date: March 19, 2015
    Inventors: Jun Kamatani, Shinjiro Okada, Akira Tsuboyama, Takao Takiguchi, Seishi Miura, Koji Noguchi, Takashi Moriyama, Satoshi Igawa, Manabu Furugori