Patents by Inventor Kazunori Ueno

Kazunori Ueno 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: 20060255723
    Abstract: There is disclosed a substituted anthryl derivative is represented by the following general formula (1). The use of the substituted anthryl derivative allows the production of an organic electroluminescence device showing an extremely pure luminescence hue, and an optical output with high luminous efficiency, high luminance, and long life.
    Type: Application
    Filed: July 20, 2006
    Publication date: November 16, 2006
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Akihito Saitoh, Akihiro Senoo, Kazunori Ueno, Keiji Okinaka, Koichi Suzuki
  • Patent number: 7129386
    Abstract: There is disclosed a substituted anthryl derivative is represented by the following general formula (1).
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: October 31, 2006
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihito Saitoh, Akihiro Senoo, Kazunori Ueno, Keiji Okinaka, Koichi Suzuki
  • Publication number: 20060125378
    Abstract: There is provided an aminoanthryl derivative substitution compound represented by the following general formula (1). The compound according to the present invention can provide an organic electroluminescence device showing an extremely pure luminescence hue, and an optical output with high efficiency, high luminance, and long life.
    Type: Application
    Filed: June 25, 2004
    Publication date: June 15, 2006
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Akihito Saitoh, Akihiro Senoo, Kazunori Ueno, Keiji Okinaka, Koichi Suzuki
  • Publication number: 20060121312
    Abstract: The present invention provides a fluorene compound having a novel substituent, and the fluorene compound is represented by the following formula [1]:
    Type: Application
    Filed: November 23, 2005
    Publication date: June 8, 2006
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Naoki Yamada, Akihito Saitoh, Keiji Okinaka, Masataka Yashima, Akihiro Senoo, Kazunori Ueno
  • Publication number: 20060115678
    Abstract: There is provided an aminoanthryl derivative-substituted pyrene compound represented by the following general formula (1). The compound is useful as a compound for an organic light-emitting device exhibiting highly pure luminescent color, and an optical output with high efficiency, high luminance, and long life.
    Type: Application
    Filed: November 17, 2005
    Publication date: June 1, 2006
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Akihito Saitoh, Keiji Okinaka, Naoki Yamada, Masataka Yashima, Akihiro Senoo, Kazunori Ueno
  • Publication number: 20060113528
    Abstract: An organic light-emitting device is provided which has an optical output with a high efficiency, a high luminance and a long life and which includes a pair of electrodes including an anode and a cathode, and at least one layer comprising an organic compound provided between the pair of electrodes, wherein at least one layer having a light-emitting region of the at least one layer comprising the organic compound comprises a first compound represented by the general formula (1): and a second compound having a bandgap larger than a bandgap of the first compound.
    Type: Application
    Filed: November 16, 2005
    Publication date: June 1, 2006
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Keiji Okinaka, Masataka Yashima, Akihito Saitoh, Naoki Yamada, Akihiro Senoo, Kazunori Ueno
  • Patent number: 7022867
    Abstract: A silicon compound having a repeating unit represented by the following general formula (1): wherein R is a hydrogen atom, a straight or branched alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, Ar is a substituted or unsubstituted aryl group or an unsubstituted heterocyclic group, m is an integer of 2 or more, and n is an integer of 5,000 or less.
    Type: Grant
    Filed: September 16, 2002
    Date of Patent: April 4, 2006
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazunori Ueno, Yomishi Toshida, Yuichi Hashimoto, Akihiro Senoo, Seiji Mashimo
  • Publication number: 20060051616
    Abstract: The present invention provides a novel organic compound capable of simultaneously emitting fluorescence and phosphorescence. The organic compound according to the present invention is an organic compound consisting of only elemental hydrogen and at least two kinds of elements selected from the group consisting of elements belonging to the thirteenth group to the seventeenth group of the second period to the fifth period of the periodic table, and being capable of simultaneously emitting fluorescence and phosphorescence at a temperature of from ?30° C. or more and 100° C. or less.
    Type: Application
    Filed: September 2, 2005
    Publication date: March 9, 2006
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Koichi Suzuki, Kazunori Ueno, Akira Tsuboyama, Seiichi Yogi
  • Publication number: 20060035108
    Abstract: An organic light-emitting device that exhibits a light emission of extremely high efficiency, high brightness, and long lifetime is provided. An organic light-emitting device includes a pair of electrodes including an anode and a cathode, and one or more layers containing an organic compound, the layers being sandwiched between the pair of the electrodes, characterized in that at least one layer of the layers containing an organic compound contains a compound represented by the following general formula (1).
    Type: Application
    Filed: April 9, 2003
    Publication date: February 16, 2006
    Applicant: Canon Kabushiki Kaisha
    Inventors: Naoki Yamada, Kazunori Ueno
  • Patent number: 6998182
    Abstract: In an organic luminescence device formed of one or plural layers of organic films between an anode and a cathode, at least one layer is any one of a luminescence layer, an electron injection layer and an electron-transporting layer and is formed of at least a phenolic derivative of any one of formulas (1-a), (1-b), (2-a) and (2-b) characterized by having at least two phenoxide portions connected to each other via a specific divalent bond in its molecular structure. By the use of the phenolic derivative, the resultant organic luminescence device produces a high-luminance fluorescent luminescence at a low voltage for a long period of time.
    Type: Grant
    Filed: March 12, 2003
    Date of Patent: February 14, 2006
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihito Saitoh, Yoichi Osato, Kazunori Ueno
  • Publication number: 20060017376
    Abstract: It is an object of the present invention to provide an organic light emitting device having a long-life optical output. The organic light emitting device according to the present invention is provided with an emission layer including at least a host material, a light emitting material, and another material, wherein the another material has a smaller ionization potential than and almost the same hole mobility as or a greater hole mobility than an ionization potential and a hole mobility of a compound which forms an emission layer-side-interface.
    Type: Application
    Filed: July 7, 2005
    Publication date: January 26, 2006
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Keiji Okinaka, Akihito Saitoh, Naoki Yamada, Masataka Yashima, Koichi Suzuki, Akihiro Senoo, Kazunori Ueno
  • Publication number: 20050221115
    Abstract: There is provided a high light-emission-efficiency, highly stable, low-cost light emitting device that utilizes a copper complex as a light emitting material and comprises a pair of electrodes provided on a substrate, and an organic substance layer provided between the electrode and comprising a metal coordination compound having a partial structure represented by the general formula: wherein Cu represents a copper ion.
    Type: Application
    Filed: May 2, 2003
    Publication date: October 6, 2005
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Akira Tsuboyama, Shinjiro Okada, Takao Takiguchi, Kazunori Ueno, Satoshi Igawa, Jun Kamatani, Manabu Furugori, Hironobu Iwawaki
  • Patent number: 6936355
    Abstract: A luminescent polymer, suitable for use in an active layer of an organic light-emitting device, organic solid state lasers, a photovoltaic cell or an electrochromic display and exhibiting good stability and microstructure control, which has the structure wherein Ar1 and Ar2 are aromatic or heteroaromatic rings, such as phenyl, biphenyl, fluorene, thiophene, pyridyl, or their substituted aromatic or heteroaromatic rings with or without deuterium, and R1 and R2 are independently each selected from the group consisting of hydrogen, deuterium, substituted or unsubstituted alkyl, alkoxyl, aryl and heteroaryl, or halogen, wherein D represents deuterium and n is an integer greater than 3. Electronic devices and methods of making them which employ these luminescent polymers are also described.
    Type: Grant
    Filed: June 4, 2002
    Date of Patent: August 30, 2005
    Assignee: Canon Kabushiki Kaisha
    Inventors: X. Charles Li, Kazunori Ueno, Bing R. Hsieh
  • Patent number: 6916555
    Abstract: In an organic luminescence device formed of one or plural layers of organic films between an anode and a cathode, at least one layer is any one of a luminescence layer, an electron injection layer and an electron-transporting layer and is formed of at least a spiro compound of formula (I-a) or (I-b) having a carbon atom or a silicon atom as a spiro atom and having four ring structures including at least one nitrogen atom-containing ring structure. By the use of the spiro compound of the formula (I-a) or (I-b), the resultant organic luminescence device produces a high-luminance fluorescent luminescence at a low voltage for a long period of time.
    Type: Grant
    Filed: March 12, 2003
    Date of Patent: July 12, 2005
    Assignee: Canon Kabushiki Kaisha
    Inventors: Koichi Suzuki, Akihiro Senoo, Kazunori Ueno
  • Publication number: 20050122041
    Abstract: There is provided an organic electroluminescent device including at least: a pair of electrodes including an anode and a cathode; one or more layers containing an organic compound interposed between the pair of electrodes; and a layer containing metallic boride provided between the cathode and one of the layers containing the organic compound. The organic electroluminescent device provides an electron injection material which has high chemical stability and is easy to control a composition of a film. The organic electroluminescent device has extremely high efficiency, a light output with high luminance, and extremely high durability.
    Type: Application
    Filed: October 19, 2004
    Publication date: June 9, 2005
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Hiroshi Tanabe, Kazunori Ueno, Brendan Cowles
  • Publication number: 20050099115
    Abstract: There is disclosed a substituted anthryl derivative is represented by the following general formula (1). The use of the substituted anthryl derivative allows the production of an organic electroluminescence device showing an extremely pure luminescence hue, and an optical output with high luminous efficiency, high luminance, and long life.
    Type: Application
    Filed: June 25, 2004
    Publication date: May 12, 2005
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Akihito Saitoh, Akihiro Senoo, Kazunori Ueno, Keiji Okinaka, Koichi Suzuki
  • Patent number: 6872475
    Abstract: The present invention relates to an organic light emitting device (OLED) in which a binaphthalene derivative is used as the emissive layer and/or one or more of the charge transport layers, or as a host or dopant material for one or more of such layers.
    Type: Grant
    Filed: December 3, 2002
    Date of Patent: March 29, 2005
    Assignee: Canon Kabushiki Kaisha
    Inventors: Jian Ping Chen, Xiao-Chang Charles Li, Koichi Suzuki, Kazunori Ueno
  • Patent number: 6869698
    Abstract: An organic light-emitting device (OLED) in which a paracyclophane or a paracyclophane derivative is used as the emissive layer and/or one or more of the charge transport layers, or as a host material for one or more of these layers.
    Type: Grant
    Filed: December 4, 2002
    Date of Patent: March 22, 2005
    Assignee: Canon Kabushiki Kaisha
    Inventors: Jian Ping Chen, Kazunori Ueno, Koichi Suzuki
  • Patent number: 6858325
    Abstract: An electroluminescent device is formed of a pair of electrodes and an organic compound layer interposed between the electrodes. The organic compound layer is composed of an organic compound represented by the following general formula (1): wherein X is a substituted or unsubstituted arylene group or a substituted or unsubstituted heterocyclic group, each of at least two groups among Ar1, Ar2, Ar3, and Ar4 is a substituted or unsubstituted fluorenyl group, and the remainder represents a substituted or unsubstituted aryl group.
    Type: Grant
    Filed: October 9, 2002
    Date of Patent: February 22, 2005
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihiro Senoo, Yomishi Toshida, Kazunori Ueno, Seiji Mashimo
  • Publication number: 20050031898
    Abstract: A pyrene based compound and its use in an organic light emitting device (OLED) according to the following formula: In the above formula, Z1 represents a hydrogen atom, deuterium atom, oxygen atom, silicon atom, selenium atom, substituted or unsubstituted aryl group, substituted or unsubstituted heteroaryl group, substituted or unsubstituted aryl amine or a combination thereof, and Z2 represents a hydrogen or deuterium atom. One of Y1 and Y2 represents a hydrogen atom, deuterium atom, oxygen atom, silicon atom, selenium atom, a substituted or unsubstituted aryl group, substituted or unsubstituted heteroaryl group, substituted or unsubstituted aryl amine or a combination thereof, and the other of Y1 and Y2 represents a hydrogen or deuterium atom. X1 through X6 independently represent hydrogen atoms, deuterium atoms, alkyl groups or aryl groups, and at least one of X1 through X6 represents a bulky alkyl group or bulky aryl group.
    Type: Application
    Filed: August 6, 2003
    Publication date: February 10, 2005
    Applicant: Canon Kabushiki Kaisha
    Inventors: Xiao-Chang Li, Yoshimasa Okamura, Kazunori Ueno, Masashi Tashiro, Hideki Tashiro, G.K. Prakash