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: 20140004640
    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: Application
    Filed: June 18, 2013
    Publication date: January 2, 2014
    Inventors: Atsushi Hamaguchi, Jun Kamatani
  • Publication number: 20130324771
    Abstract: The present invention provides a novel benzopyrene compound and also provides a organic light-emitting device. The present invention provides a benzopyrene represented by the formula [1] above.
    Type: Application
    Filed: June 3, 2013
    Publication date: December 5, 2013
    Inventors: Naoki Yamada, Jun Kamatani, Kengo Kishino, Akihito Saitoh
  • Patent number: 8586207
    Abstract: Provided are a fused polycyclic compound obtained by expanding the conjugated system of a chrysene skeleton, and an organic light emitting device using the compound. The organic light emitting device has an optical output with high efficiency and high luminance, and is extremely durable.
    Type: Grant
    Filed: May 18, 2009
    Date of Patent: November 19, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takayuki Horiuchi, Jun Kamatani, Satoshi Igawa, Naoki Yamada, Masashi Hashimoto, Tetsuya Kosuge
  • Publication number: 20130300638
    Abstract: The present invention provides an organic electroluminescence element having a high luminous efficiency. An organic electroluminescence element includes an anode, a cathode, and at least one organic compound layer disposed between the anode and the cathode, wherein at least one of the at least one the organic compound layer contains an organic compound shown in Claim 1.
    Type: Application
    Filed: December 9, 2011
    Publication date: November 14, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Jun Kamatani, Naoki Yamada, Masashi Hashimoto, Takayuki Horiuchi
  • Publication number: 20130299814
    Abstract: The present invention provides an organic compound of which basic skeleton emits light in a yellow range by itself with high luminous efficiency. The organic compound is represented by claim 1.
    Type: Application
    Filed: December 9, 2011
    Publication date: November 14, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Hirokazu Miyashita, Jun Kamatani, Akihito Saitoh
  • Patent number: 8580400
    Abstract: Provided are a novel bichrysene compound and an organic light emitting device having high light emitting efficiency and excellent driving durability. The organic light emitting device includes an anode, a cathode, and a layer formed of an organic compound interposed between the anode and the cathode. The layer formed of an organic compound has a bichrysene compound represented by the following general formula (1).
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: November 12, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuya Kosuge, Jun Kamatani, Yosuke Nishide, Kengo Kishino
  • Patent number: 8580405
    Abstract: The present invention provides a novel naphthothiophene compound having a high lowest excited triplet level (T1).
    Type: Grant
    Filed: April 11, 2011
    Date of Patent: November 12, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naoki Yamada, Jun Kamatani, Akihito Saitoh
  • Publication number: 20130292662
    Abstract: The present invention provides an organic compound having a basic skeleton which has an emission wavelength in the yellow region, a high luminous efficiency, and good sublimability. An organic compound is shown in claim 1.
    Type: Application
    Filed: December 9, 2011
    Publication date: November 7, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Masashi Hashimoto, Jun Kamatani, Takayuki Horiuchi, Hirokazu Miyashita, Naoki Yamada, Akihito Saitoh
  • Patent number: 8569751
    Abstract: An organic light-emitting device includes an anode, a cathode, and an organic compound layer interposed between the anode and the cathode. The organic compound layer contains a heterocyclic compound having 4,10-Diazachrysene.
    Type: Grant
    Filed: August 4, 2010
    Date of Patent: October 29, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takayuki Horiuchi, Jun Kamatani, Akihito Saitoh
  • Patent number: 8557401
    Abstract: To provide a novel chrysene compound and an organic light-emitting device having high emission efficiency and excellent driving durability, provided is a novel triaryl-substituted chrysene compound represented by the general formula [1]: wherein Ar1 to Ar3 each represent a substituent selected from the group consisting of a substituted or unsubstituted naphthyl group, a substituted or unsubstituted phenanthryl group, and a substituted or unsubstituted fluorenyl group.
    Type: Grant
    Filed: October 3, 2010
    Date of Patent: October 15, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuya Kosuge, Jun Kamatani, Yosuke Nishide, Kengo Kishino
  • Publication number: 20130249968
    Abstract: Provided is an organic light emitting device having high emission efficiency and a low driving voltage. The organic light emitting device 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 fused polycyclic compound represented by any one of the following general formulae [1] to [4].
    Type: Application
    Filed: November 18, 2011
    Publication date: September 26, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Naoki Yamada, Jun Kamatani, Akihito Saitoh
  • Publication number: 20130228770
    Abstract: Provided is an organic light emitting device having high emission efficiency and excellent driving durability. The organic light emitting device includes an anode, a cathode, and an organic compound layer disposed between the anode and the cathode, in which the organic compound layer includes an indolophenoxazine compound represented by the following general formula [1]: (in the formula [1], R1 to R4 each represents one of a hydrogen atom and an alkyl group having 1 to 4 carbon atoms, and n represents an integer of 0 to 3).
    Type: Application
    Filed: November 25, 2011
    Publication date: September 5, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Tetsuya Kosuge, Jun Kamatani, Shigemoto Abe, Kengo Kishino
  • Publication number: 20130228768
    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: Application
    Filed: November 8, 2011
    Publication date: September 5, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Shigemoto Abe, Tetsuya Kosuge, Jun Kamatani, Kengo Kishino
  • Publication number: 20130221340
    Abstract: Provided is an organic light emitting element having a high light emission efficiency and a low drive voltage. In the organic light emitting element including a positive electrode, a negative electrode and an organic compound layer disposed between the positive electrode and the negative electrode, the organic compound layer includes a thioxanthone compound represented by the following general formula [1].
    Type: Application
    Filed: October 31, 2011
    Publication date: August 29, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Jun Kamatani, Masanori Seki, Takeshi Sekiguchi, Yosuke Nishide, Akihito Saitoh
  • Patent number: 8519613
    Abstract: An organic light-emitting device includes a first electrode, a second electrode, and a light-emitting layer disposed between the first and second electrodes. The light-emitting layer contains an organic compound emitting photoluminescent light with a peak wavelength of 430 to 480 nm. The organic compound has a profile factor of 0.02 or less at a wave number of 1,300 to 1,680 cm?1 as calculated from Huang-Rhys factors.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: August 27, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Jun Kamatani, Isao Kawata, Naoki Yamada, Akihito Saitoh, Hiroyuki Tomono, Kengo Kishino, Masashi Hashimoto, Satoshi Igawa, Keiji Okinaka
  • Publication number: 20130214268
    Abstract: An organic light-emitting device that realizes high-emission efficiency and low-driving voltage is provided. The organic light-emitting device contains a xanthone compound represented by general formula [1].
    Type: Application
    Filed: October 17, 2011
    Publication date: August 22, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takayuki Horiuchi, Jun Kamatani, Naoki Yamada, Kengo Kishino, Kenichi Ikari, Akihito Saitoh
  • Publication number: 20130214267
    Abstract: The present invention provides a spiro[cyclopenta[def]triphenylene-4,9?-fluorene] compound having a high triplet energy level and a high glass transition temperature and also provides an excellent organic light-emitting device including the compound to achieve a high luminous efficiency and a low driving voltage. The present invention provides spiro[cyclopenta[def]triphenylene-4,9?-fluorene] compounds represented by General Formula [1] shown in claim 1.
    Type: Application
    Filed: October 11, 2011
    Publication date: August 22, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Chiaki Nishiura, Jun Kamatani, Naoki Yamada, Kenichi Ikari
  • Publication number: 20130207096
    Abstract: The present invention provides an organic light emitting device having high light emission efficiency.
    Type: Application
    Filed: October 25, 2011
    Publication date: August 15, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Tetsuya Kosuge, Jun Kamatani, Hiroyuki Tomono
  • Publication number: 20130175519
    Abstract: The present invention provides a stable new condensed polycyclic compound which is not likely to form a molecular association. In addition, the present invention also provides an organic light-emitting element having a high light-emitting efficiency and a low drive voltage. In the condensed polycyclic compound in Claim 1 represented by the general formula [1], R1, R2 and R5 are each independently selected from a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an aryl group, and a heterocyclic group. R3 and R4 each represent an alkyl group having 1 to 4 carbon atoms. The aryl group and the heterocyclic group each may have at least one of an alkyl group, an aralkyl group, an aryl group, a heterocyclic group, an amino group, and an alkoxy group as a substituent.
    Type: Application
    Filed: August 23, 2011
    Publication date: July 11, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Naoki Yamada, Jun Kamatani, Kengo Kishino, Hiroyuki Tomono, Tomona Yamaguchi
  • Patent number: 8481175
    Abstract: An oligofluorene compound is represented by the General Formula (1) below wherein in Formula (1) P1 represents a hydrogen atom, a halogen atom, or a linear or branched alkyl group having 1 to 20 carbon atoms; P2 represents a hydrogen atom, a halogen atom, a substituted or unsubstituted linear or branched alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted 2-naphthyl group; R1 and R2 each represent a hydrogen atom, a halogen atom, or a linear or branched alkyl group having 1 to 20 carbon atoms; and n represents integer of 2 to 4.
    Type: Grant
    Filed: October 30, 2008
    Date of Patent: July 9, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ryota Ooishi, Takao Takiguchi, Jun Kamatani, Tetsuya Kosuge, Shigemoto Abe