Patents by Inventor Yosuke Nishide

Yosuke Nishide 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).

  • Organic light-emitting device and display apparatus
    Patent number: 9601704
    Abstract: Provided is a long-lifetime organic light-emitting element having a good device lifetime characteristic. The organic light-emitting device 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 specific structure and a different kind of metal complex.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: March 21, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hirokazu Miyashita, Kengo Kishino, Jun Kamatani, Shigemoto Abe, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Yosuke Nishide, Akihito Saitoh
  • Organic compound and organic light-emitting device including the same
    Patent number: 9590183
    Abstract: The present invention provides a novel stable benzo[a]naphtho[2,1-c]tetracene compound and an organic light-emitting device including the compound. Provided is an organic compound represented by Formula [1]. In Formula [1], R1 to R16 are each independently selected from the group consisting of a hydrogen atom, a halogen atom, an alkyl group having 1 to 4 carbon atoms, a cyano group, a diphenylamino group, a pyridyl group, and an aryl group.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: March 7, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hirokazu Miyashita, Jun Kamatani, Akihito Saitoh, Yosuke Nishide
  • Organic light-emitting element
    Patent number: 9466804
    Abstract: Provided is an organic light-emitting element having high light-emitting efficiency and a long element lifetime. The organic light-emitting element includes an anode, a cathode, and an organic compound layer placed between the anode and the cathode, and the organic compound layer includes an iridium complex represented by the following general formula [1] and a metal complex represented by the following general formula [9]. Ir(L1)(L2)(L3)??[1] MLL???[9].
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: October 11, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kengo Kishino, Takayuki Horiuchi, Akihito Saitoh, Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Shigemoto Abe, Yosuke Nishide, Hirokazu Miyashita
  • ORGANIC LIGHT EMITTING ELEMENT
    Publication number: 20160211467
    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: Application
    Filed: January 15, 2016
    Publication date: July 21, 2016
    Inventors: NAOKI YAMADA, JUN KAMATANI, YOSUKE NISHIDE
  • Organic light-emitting device
    Patent number: 9331296
    Abstract: Aspects of the present invention provide a blue organic light-emitting device having a continuous operation lifetime. An organic light-emitting device includes a light-emitting layer containing a dopant having the ability to trap electrons or holes, and a hole-blocking layer or electron-blocking layer, in which the difference between the LUMO of the dopant and the LUMO of a host material, the size relationship between the HOMO of the host material and the HOMO of the dopant, and the difference between the T1 of the host material and the T1 of the hole-blocking layer or between the T1 of the host material and the T1 of the electron-blocking layer, are specified.
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: May 3, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Maki Okajima, Keiji Okinaka, Tetsuo Takahashi, Hajime Muta, Yohei Iwasaki, Minako Nakasu, Naoki Yamada, Yosuke Nishide
  • SILSESQUIOXANE COMPOUND, ORGANIC LIGHT EMITTING ELEMENT, DISPLAY APPARATUS, IMAGE INFORMATION PROCESSING APPARATUS, AND IMAGE FORMING APPARATUS
    Publication number: 20160118607
    Abstract: Provided is an organic light emitting element having high light emitting efficiency. The organic light emitting element includes: an anode; a cathode; an emission layer placed between the anode and the cathode; and a hole transport layer formed between the anode and the emission layer, in which the hole transport layer contains a siloxane compound and a compound having a tertiary arylamine structure; and number of SP2 carbon atoms in the hole transport layer is ten times or less number of silicon atoms in the hole transport layer.
    Type: Application
    Filed: March 25, 2014
    Publication date: April 28, 2016
    Inventors: Yosuke Nishide, Naoki Yamada, Jun Kamatani, Ryuji Ishii, Norifumi Kajimoto, Takayuki Ito, Nobutaka Mizuno, Koichi Ishige, Akihito Saitoh
  • ORGANIC LIGHT EMITTING ELEMENT
    Publication number: 20160079544
    Abstract: Provided is an organic light emitting element having stable performance in the air.
    Type: Application
    Filed: February 2, 2015
    Publication date: March 17, 2016
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Yosuke Nishide, Jun Kamatani, Hiroki Ohrui, Yojiro Matsuda, Masanori Muratsubaki, Satoru Shiobara, Tetsuo Takahashi, Haruna Iida
  • Organic compound and organic light-emitting device including the same
    Patent number: 9227892
    Abstract: Provided are a novel organic compound appropriate for emission of blue light and an organic light-emitting device including the organic compound. The organic compound is represented by general formula 1: wherein R1 to R6 are each independently selected from a hydrogen atom, an alkyl group, and an aryl group. The alkyl group and the aryl group are optionally substituted.
    Type: Grant
    Filed: January 12, 2011
    Date of Patent: January 5, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yosuke Nishide, Hirokazu Miyashita, Jun Kamatani, Akihito Saitoh
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20150372244
    Abstract: Provided is an organic light-emitting device having high efficiency and improved driving durability performance. The organic light-emitting device 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 specific skeleton and a heterocycle-containing compound as a host.
    Type: Application
    Filed: February 4, 2014
    Publication date: December 24, 2015
    Inventors: Shigemoto Abe, Kengo Kishino, Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Yosuke Nishide, Hirokazu Miyashita, Akihito Saitoh
  • ORGANIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20150372238
    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: Application
    Filed: April 3, 2014
    Publication date: December 24, 2015
    Inventors: Naoki Yamada, Jun Kamatani, Akihito Saitoh, Yosuke Nishide, Masanori Muratsubaki, Ryuji Ishii, Koichi Ishige, Takayuki Ito, Norifumi Kajimoto, Nobutaka Mizuno
  • IRIDIUM COMPLEX AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20150364702
    Abstract: The present invention provides a novel iridium complex and an organic light-emitting device including the novel iridium complex. The novel iridium complex includes three ligands, and two of them have a phenyl-naphtho[2,1-f]isoquinoline skeleton. The present invention also provides a display apparatus including the organic light-emitting device and an electrophotographic image-forming apparatus including a light source including the organic light-emitting device and including a photosensitive member.
    Type: Application
    Filed: January 20, 2014
    Publication date: December 17, 2015
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Shigemoto Abe, Jun Kamatani, Kengo Kishino, Akihito Saitoh, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Yosuke Nishide, Hirokazu Miyashita
  • ORGANOMETALLIC COMPLEX AND ORGANIC LIGHT-EMITTING ELEMENT USING THE COMPLEX
    Publication number: 20150364701
    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: Application
    Filed: January 20, 2014
    Publication date: December 17, 2015
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takayuki Horiuchi, Kengo Kishino, Hirokazu Miyashita, Yosuke Nishide, Tetsuya Kosuge, Naoki Yamada, Jun Kamatani, Akihito Saitoh, Shigemoto Abe
  • ORGANIC LIGHT-EMITTING DEVICE AND DISPLAY APPARATUS
    Publication number: 20150364703
    Abstract: Provided is a long-lifetime organic light-emitting element having a good device lifetime characteristic. The organic light-emitting device 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 specific structure and a different kind of metal complex.
    Type: Application
    Filed: February 4, 2014
    Publication date: December 17, 2015
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Hirokazu Miyashita, Kengo Kishino, Jun Kamatani, Shigemoto Abe, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Yosuke Nishide, Akihito Saitoh
  • ORGANIC LIGHT-EMITTING ELEMENT
    Publication number: 20150357586
    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: Application
    Filed: January 20, 2014
    Publication date: December 10, 2015
    Inventors: Takayuki Horiuchi, Tetsuya Kosuge, Hirokazu Miyashita, Yosuke Nishide, Shigemoto Abe, Naoki Yamada, Jun Kamatani, Akihito Saitoh, Kengo Kishino
  • ORGANIC LIGHT-EMITTING ELEMENT
    Publication number: 20150357587
    Abstract: Provided is an organic light-emitting element having high light-emitting efficiency and a long element lifetime. The organic light-emitting element includes an anode, a cathode, and an organic compound layer placed between the anode and the cathode, and the organic compound layer includes an iridium complex represented by the following general formula [1] and a metal complex represented by the following general formula [9].
    Type: Application
    Filed: January 7, 2014
    Publication date: December 10, 2015
    Inventors: Kengo Kishino, Takayuki Horiuchi, Akihito Saitoh, Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Shigemoto Abe, Yosuke Nishide, Hirokazu Miyashita
  • NOVEL ORGANIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE AND DISPLAY APPARATUS HAVING THE SAME
    Publication number: 20150333267
    Abstract: A novel organic compound having high stability is provided. The organic compound is represented by Formula (1) described in claim 1: In Formula (1), R1 and R2 each independently selected from a hydrogen atom, Substituent group A, and Substituent group B shown in claim 1, wherein at least one of R1 and R2 is selected from Substituent group A or Substituent group B; and R11 and R12 of a substituent belonging to Substituent group A are each independently selected from Substituent group B.
    Type: Application
    Filed: September 20, 2013
    Publication date: November 19, 2015
    Inventors: Jun Kamatani, Shigemoto Abe, Tetsuya Kosuge, Takayuki Horiuchi, Yosuke Nishide, Hirokazu Miyashita, Kengo Kishino, Naoki Yamada, Akihito Saitoh
  • ORGANIC LIGHT-EMITTING ELEMENT AND DISPLAY APPARATUS
    Publication number: 20150333279
    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: December 24, 2013
    Publication date: November 19, 2015
    Inventors: Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Shigemoto Abe, Yosuke Nishide, Hirokazu Miyashita, Kengo Kishino, Akihito Saitoh
  • ORGANIC LIGHT-EMITTING DEVICE AND DISPLAY APPARATUS
    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
  • Organic compound
    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
  • ORGANIC LIGHT-EMITTING ELEMENT
    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