Patents by Inventor Toshihiro Ise

Toshihiro Ise 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 electroluminescent device
    Patent number: 7740956
    Abstract: An organic electroluminescent device comprising: a pair of electrodes; and at least one organic layer between the pair of electrodes, the at least one organic layer between the pair of electrodes, the at least one organic layer including a luminescent layer, wherein the luminescent layer contains at least one electron injection/transport compound, at least one hole injection/transport compound, and at least one green or blue phosphorescent compound; and the electron injection/transport compound and the hole injection/transport compound each has a minimum triplet exciton energy value which is equal to or more than that of the green or blue phosphorescent compound.
    Type: Grant
    Filed: December 26, 2003
    Date of Patent: June 22, 2010
    Assignee: Fujifilm Corporation
    Inventors: Tatsuya Igarashi, Saisuke Watanabe, Toshihiro Ise, Hisashi Okada, Kazumi Nii
  • Organic electroluminescent device
    Patent number: 7736755
    Abstract: An organic electroluminescent device comprising: a pair of electrodes; and at least one organic compound layer including a light emitting layer between the pair of electrodes, wherein the organic compound layer contains a metal complex that has a tridentate or more ligand and two or more metal ions.
    Type: Grant
    Filed: April 24, 2006
    Date of Patent: June 15, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Tatsuya Igarashi, Toshihiro Ise, Takeshi Murakami
  • Light-emitting device
    Patent number: 7732606
    Abstract: An organic electroluminescent device having a pair of electrodes and at least one organic layer including a light-emitting layer interposed between the pair of electrodes, in which the organic layer contains at least one platinum complex compound having a quadridentate ligand containing a partial structure represented by formula (I): wherein Z1 represents a nitrogen-containing heterocycle coordinated to the platinum through a nitrogen atom; L1 represents a single bond or a linking group; R1, R3 and R4 each independently represent a hydrogen atom or a substituent; and R2 represents a substituent.
    Type: Grant
    Filed: September 26, 2005
    Date of Patent: June 8, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Toshihiro Ise, Satoshi Sano, Tatsuya Igarashi
  • LIGHT EMITTING ELEMENT AND AZOLE COMPOUND
    Publication number: 20100044638
    Abstract: The present invention relates to a light emitting element comprising at least a light emitting layer containing a light emitting material and a host material and having a light emission maximum wavelength of 500 nm or less wherein the minimum excitation triplet energy level of the host material is higher than the minimum excitation triplet energy level of the light emitting material.
    Type: Application
    Filed: October 28, 2009
    Publication date: February 25, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Toshihiro ISE, Tatsuya Igarashi, Yousuke Miyashita, Hidetoshi Fujimura, Masayuki Mishima, Hisasi Okada, Qiu Xuepeng
  • ORGANIC ELECTROLUMINESCENT DEVICE AND PLATINUM COMPOUND
    Publication number: 20100019670
    Abstract: An organic electroluminescent device, which has a pair of electrodes, and at least one organic layer including a luminescent layer between the electrodes, wherein the organic layer contains at least one compound of formula (1): wherein Q11 are atoms for forming a nitrogen-containing hetero ring; Z11 to Z13 each independently represents CR, wherein R represents a substituent, CH or N; n11 is 0 or 1; M11 is a metal or boron ion that may further have a ligand(s); and a compound of formula (6): wherein R63 to R66 each is a hydrogen atom or a substituent; X61 to X64 and Z61 to Z66 each is CR, wherein R represents a substituent, CH or N.
    Type: Application
    Filed: September 30, 2009
    Publication date: January 28, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Tatsuya IGARASHI, Kousuke WATANABE, Seiji ICHIJIMA, Toshihiro ISE
  • Organic electroluminescent device
    Patent number: 7641987
    Abstract: An organic electroluminescent device comprising: a pair of electrodes; and at least one organic compound layer between the pair of electrodes, the at least one organic compound layer including a light emitting layer, wherein the light emitting layer contains at least one host material and at least one luminescent material, and the host material is a compound represented by the formula (I) as defined herein.
    Type: Grant
    Filed: April 5, 2007
    Date of Patent: January 5, 2010
    Assignee: FujiFilm Corporation
    Inventors: Tatsuya Igarashi, Toshihiro Ise
  • LIGHT-EMITTING DEVICE
    Publication number: 20090309490
    Abstract: An organic electroluminescent device having a pair of electrodes and at least one organic layer including a light-emitting layer interposed between the pair of electrodes, in which the organic layer contains at least one platinum complex compound having a quadridentate ligand containing a partial structure represented by formula (I): wherein Z1 represents a nitrogen-containing heterocycle coordinated to the platinum through a nitrogen atom; L1 represents a single bond or a linking group; R1, R3 and R4 each independently represent a hydrogen atom or a substituent; and R2 represents a substituent.
    Type: Application
    Filed: February 27, 2009
    Publication date: December 17, 2009
    Inventors: Toshihiro ISE, Satoshi Sano, Tatsuya Igarashi
  • Light emitting element and azole compound
    Patent number: 7632579
    Abstract: A light emitting element comprising at least a light emitting layer containing a light emitting material and a host material and having a light emission maximum wavelength of 500 nm or less wherein the minimum excitation triplet energy level of the host material is higher than the minimum excitation triplet energy level of the light emitting material.
    Type: Grant
    Filed: July 26, 2005
    Date of Patent: December 15, 2009
    Assignee: FUJIFILM Corporation
    Inventors: Toshihiro Ise, Tatsuya Igarashi, Yousuke Miyashita, Hidetoshi Fujimura, Masayuki Mishima, Hisashi Okada, Qiu Xuepeng
  • Organic electroluminescent device and platinum compound
    Patent number: 7615633
    Abstract: An organic electroluminescent device, which has a pair of electrodes, and at least one organic layer including a luminescent layer between the electrodes, wherein the organic layer contains at least one compound of formula (I): wherein Q11 are atoms for forming a nitrogen-containing hetero ring; Z11 to Z13 each independently represents CR, wherein R represents a substituent, CH or N; n11 is 0 or 1; M11 is a metal or boron ion that may further have a ligand(s); and a compound of formula (6): wherein R63 to R66 each is a hydrogen atom or a substituent; X61 to X64 and Z61 to Z66 each is CR, wherein R represents a substituent, CH or N.
    Type: Grant
    Filed: May 7, 2004
    Date of Patent: November 10, 2009
    Assignee: FUJIFILM Corporation
    Inventors: Tatsuya Igarashi, Kousuke Watanabe, Seiji Ichijima, Toshihiro Ise
  • ORGANIC ELECTROLUMINESCENCE DEVICE
    Publication number: 20090267500
    Abstract: An organic electroluminescence device, includes: a pair of electrodes; and at least one organic layer including a light emitting layer, the light emitting layer being provided between the pair of electrodes, wherein at least one layer of the at least one organic layer contains a compound represented by formula (I) as defined in the specification.
    Type: Application
    Filed: April 23, 2009
    Publication date: October 29, 2009
    Applicant: FUJIFILM CORPORATION
    Inventors: Ikuo KINOSHITA, Eiji FUKUZAKI, Takeshi MURAKAMI, Kazunari YAGI, Akira TAKEDA, Toshihiro ISE
  • ORGANIC ELECTROLUMINESCENCE DEVICE, NOVEL PLATINUM COMPLEX COMPOUND AND NOVEL COMPOUND CAPABLE OF BEING A LIGAND THEREOF
    Publication number: 20090261721
    Abstract: An organic electroluminescence device, includes: a pair of electrodes; and at least one organic layer including a light emitting layer, the light emitting layer being provided between the pair of electrodes, wherein at least one layer of the at least one organic layer contains a compound represented by formula (1) as defined in the specification.
    Type: Application
    Filed: April 21, 2009
    Publication date: October 22, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Takeshi Murakami, Toshihiro Ise, Ikuo Kinoshita, Saki Takada, Akira Takeda, Hiroo Takizawa
  • Organic electroluminescent device
    Patent number: 7579093
    Abstract: An organic electroluminescent device having a pair of electrodes, at least one organic layer between the pair of electrodes, the one organic layer including a light-emitting layer, wherein the one organic layer contains a compound represented by formula (I): wherein Q1 represents an atomic group necessary for forming an unsaturated ring together with the carbon atom, Q2 and Q3 each independently represents an atomic group necessary for forming an unsaturated ring together with the nitrogen atom, the atomic group of each of Q1, Q2 and Q3 may have a hydrogen atom or a substituent, L1 and L2 each independently represents a linking group which may have a substituent, n represents 0 or 1, and A1 represents a structure containing an atom bonded to the platinum atom.
    Type: Grant
    Filed: September 16, 2005
    Date of Patent: August 25, 2009
    Assignee: FUJIFILM Corporation
    Inventors: Satoshi Sano, Tatsuya Igarashi, Toshihiro Ise
  • Organic electroluminescent devices and metal complex compounds
    Patent number: 7569692
    Abstract: An organic electroluminescent device, which has a pair of electrodes and at least one organic layer including a luminescent layer between the pair of electrodes, wherein at least one layer between the pair of electrodes comprises at least one metal complex having a tridentate- or higher polydentate-chain structure ligand.
    Type: Grant
    Filed: June 1, 2004
    Date of Patent: August 4, 2009
    Assignee: Fujifilm Corporation
    Inventors: Kazumi Nii, Kousuke Watanabe, Tatsuya Igarashi, Seiji Ichijima, Toshihiro Ise
  • Organic electroluminescent element
    Patent number: 7566505
    Abstract: The present invention provides an organic electroluminescent element having at least one organic layer including a luminescent layer between a pair of electrodes wherein at least one organic layer contains a metal complex of cyclic tetradentate ligand having a specific structure.
    Type: Grant
    Filed: March 31, 2005
    Date of Patent: July 28, 2009
    Assignee: FUJIFILM Corporation
    Inventors: Toshihiro Ise, Satoshi Sano, Tatsuya Igarashi
  • Organic electroluminescent device
    Patent number: 7560174
    Abstract: An organic electroluminescent device comprising: a pair of electrode; and at least one organic layer between the pair of electrode, the at least one organic layer including a luminescent layer, wherein the luminescent layer contains at least one phosphorescent material and at least one compound represented by the formula (I) defined herein.
    Type: Grant
    Filed: December 17, 2003
    Date of Patent: July 14, 2009
    Assignee: Fujifilm Corporation
    Inventors: Toshihiro Ise, Tatsuya Igarashi, Hisashi Okada
  • Light emitting element having an organic layer including a light-emitting layer
    Patent number: 7560730
    Abstract: This present invention provides a light emitting element comprising at least one organic layer containing a light emitting layer provided between a pair of electrodes, and in this structure, at least one layer of the at least one organic layer contains at least one compound consisting essentially of carbon, fluorine and nitrogen.
    Type: Grant
    Filed: May 16, 2006
    Date of Patent: July 14, 2009
    Assignee: FUJIFILM Corporation
    Inventor: Toshihiro Ise
  • ORGANIC ELECTROLUMINESCENT DEVICES AND METAL COMPLEX COMPOUNDS
    Publication number: 20090174324
    Abstract: An organic electroluminescent device, which has a pair of electrodes and at least one organic layer including a luminescent layer between the pair of electrodes, wherein at least one layer between the pair of electrodes comprises at least one metal complex having a tridentate- or higher polydentate-chain structure ligand.
    Type: Application
    Filed: February 27, 2009
    Publication date: July 9, 2009
    Inventors: Kazumi Nii, Kousuke Watanabe, Tatsuya Igarashi, Seiji Ichijima, Toshihiro Ise
  • ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20090167157
    Abstract: An organic electroluminescent device is provided and has an organic layer between a pair of electrodes, the organic layer containing a compound represented by formula (I). Z1 and Z2 each represent an atom group coordinating with palladium; Q represents a nitrogen-containing heterocycle; L1 and L2 each represent a single bond or a divalent linking group; and n is 0 or 1.
    Type: Application
    Filed: September 21, 2006
    Publication date: July 2, 2009
    Inventors: Takeshi Murakami, Toshihiro Ise, Tatsuya Igarashi
  • ORGANIC ELECTROLUMINESCENCE DEVICE AND NOVEL ORGANIC COMPOUND CONTAINING SILICON SUBSTITUENT
    Publication number: 20090134789
    Abstract: An organic electroluminescence device includes an anode; a cathode; and at least one organic layer, wherein the at least one organic layer includes a first organic layer which is a light-emitting layer being provided between the anode and the cathode and containing at least one light-emitting material, and the at least one organic layer contains at least one compound represented by formula (I): wherein Q1 represents an aromatic heterocyclic ring; each of R1, R2, R3 and R4 independently represents a hydrogen atom or a substituent; and each of R11, R12 and R13 independently represents an alkyl group, an aryl group, or an aromatic heterocyclic group, provided that at least one of R11, R12 and R13 represents an aryl group or an aromatic heterocyclic group.
    Type: Application
    Filed: November 26, 2008
    Publication date: May 28, 2009
    Applicant: FUJIFILM CORPORATION
    Inventor: Toshihiro ISE
  • PLATINUM COMPLEX COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE
    Publication number: 20090128008
    Abstract: An organic electroluminescent device is provided and has at least one organic layer between a pair of electrodes. The organic compound contains a compound represented by the following formula (I): Z1 and Z2 each represents a nitrogen-containing aromatic 6-membered ring coordinating to platinum atom at the nitrogen atom, Q represents a nitrogen-containing aromatic 5-membered ring having one or two nitrogen atoms, L1 and L2 each represents a single bond or a divalent group, and n represents 0 or 1.
    Type: Application
    Filed: March 16, 2006
    Publication date: May 21, 2009
    Applicant: FUJIFILM CORPORATION
    Inventors: Toshihiro Ise, Tatsuya Igarashi