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).

  • Patent number: 9647214
    Abstract: An organic electroluminescent element using a compound represented by the following general formula (I) emits dark blue light and has a high effect of inhibition of voltage during high-luminance driving: wherein R1 to R6; E1 and E2; X1 and X2; and A1 to A8 are as defined herein.
    Type: Grant
    Filed: August 6, 2012
    Date of Patent: May 9, 2017
    Assignee: UDC Ireland Limited
    Inventors: Saki Takada, Koji Takaku, Yasunori Yonekuta, Toshihiro Ise
  • Patent number: 9627623
    Abstract: An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes. At least one kind of a compound represented by the following general formula (I) is contained in any layer of the at least one organic layer. The organic electroluminescent element has good luminous efficiency, driving voltage, and driving durability, and has low dependence of such performance on a deposition rate. Wherein: L1 to L4, n1 to n4, A1, A5, A6, A10 and, R are as defined in the application.
    Type: Grant
    Filed: August 6, 2012
    Date of Patent: April 18, 2017
    Assignee: UDC Ireland Limited
    Inventors: Koji Takaku, Saki Takada, Yasunori Yonekuta, Toshihiro Ise
  • Patent number: 9620720
    Abstract: An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which at least one kind of compound represented by the following general formula (I) is contained in any layer of the at least one organic layer. The organic electroluminescent element has good luminous efficiency, driving voltage, and driving durability, and has low dependence of such performance on a deposition rate: wherein X, Q, R1 to R8 are as defined in the application.
    Type: Grant
    Filed: August 6, 2012
    Date of Patent: April 11, 2017
    Assignee: UDC Ireland Limited
    Inventors: Koji Takaku, Tetsu Kitamura, Yasunori Yonekuta, Saki Takada, Toshihiro Ise
  • Publication number: 20170092434
    Abstract: A photoelectric conversion element having an electrically conductive support, a photoconductor layer including an electrolyte, a charge transfer layer including an electrolyte, and a counter electrode, in which the photoconductor layer has semiconductor fine particles carrying a metal complex dye represented by the following Formula (1), and a dye-sensitized solar cell; and a metal complex dye and a dye solution, each of which is used in the photoelectric conversion element and the dye-sensitized solar cell, ML1L2(X)n1.
    Type: Application
    Filed: December 8, 2016
    Publication date: March 30, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Kazuhiro TSUNA, Kousuke WATANABE, Hiroki SUGIURA, Tomoaki YOSHIOKA, Toshihiro ISE
  • Publication number: 20160254462
    Abstract: A material for an organic electroluminescence device, includes: an organic material that is to be provided for a film formation of any of at least one organic layer included in the organic electroluminescence device, the organic material having a water content before the film formation, as measured by the Karl Fischer method, of 100 ppm or more and not more than 1,000 ppm.
    Type: Application
    Filed: March 4, 2016
    Publication date: September 1, 2016
    Inventor: Toshihiro Ise
  • Patent number: 9397303
    Abstract: An organic electroluminescent element using a compound represented by the general formulae (I)-(IV), as disclosed herein, emits dark blue light and exhibits good chromaticity at a wide range of concentrations of light emitting materials.
    Type: Grant
    Filed: August 6, 2012
    Date of Patent: July 19, 2016
    Assignee: UDC Ireland Limited
    Inventors: Saki Takada, Koji Takaku, Tetsu Kitamura, Toshihiro Ise, Wataru Sotoyama
  • Patent number: 9368728
    Abstract: There is provided a material for an organic electroluminescence device, which is a chrysene skeletal structure-containing diarylamine-based organic material as defined in the specification used for deposition of any layer of at least one organic layer contained in an organic electroluminescence device, wherein the water content ratio before deposition as measured by the Karl Fischer's method is from 100 to 1,000 ppm.
    Type: Grant
    Filed: April 22, 2011
    Date of Patent: June 14, 2016
    Assignee: UDC Ireland Limited
    Inventor: Toshihiro Ise
  • Patent number: 9340728
    Abstract: As an organic electroluminescence device that has an excellent emission characteristic, suppresses a change in chromaticity when driving at a high temperature and has excellent durability, the organic electroluminescence device includes on a substrate a pair of electrodes and a light emitting layer disposed between the electrodes, in which the light emitting layer contains a compound represented by the following Formula (1) and a specific metal complex is provided. (Cz)p-L-(A)q??(1) (In Formula (1), Cz represents a substituted or unsubstituted arylcarbazolyl group or a substituted or unsubstituted carbazolylaryl group. L represents a single bond, a substituted or unsubstituted arylene group, a substituted or unsubstituted cycloalkylene group or a substituted or unsubstituted aromatic heterocyclic ring. A is a substituted or unsubstituted nitrogen-containing aromatic heterocyclic six-membered ring, and each of p and q independently represent an integer of 1 to 6.
    Type: Grant
    Filed: July 29, 2010
    Date of Patent: May 17, 2016
    Assignee: UDC Ireland Limited
    Inventors: Toshihiro Ise, Tetsu Kitamura, Toru Watanabe, Akira Takeda, Keiju Tonosaki
  • Patent number: 9318714
    Abstract: A material for an organic electroluminescence device, includes: an organic material that is to be provided for a film formation of any of at least one organic layer included in the organic electroluminescence device, the organic material having a water content before the film formation, as measured by the Karl Fischer method, of 100 ppm or more and not more than 1,000 ppm.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: April 19, 2016
    Assignee: UDC Ireland
    Inventor: Toshihiro Ise
  • Patent number: 9296944
    Abstract: Provided is an organic electroluminescence device having a low drive voltage and excellent durability. Provided also is an organic electroluminescence device having low dependency of voltage increment after driving on temperature of usage environment. A light emitting organic thin film containing at least one compound represented by Formula (PQ-1) and a hydrocarbon compound having a specific structure, and an organic electroluminescence device using the same. In Formula (PQ-1), each of Ra, Rb and Rc independently represents a hydrogen atom or an alkyl group, wherein any one of Ra, Rb and Rc represents a hydrogen atom and the remaining two represent an alkyl group. Each of R1 to R5 independently represents a hydrogen atom, an alkyl group, an aryl group, a fluorine atom or a cyano group. Each of Rx and Ry independently represents an alkyl group or a phenyl group.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: March 29, 2016
    Assignee: UDC Ireland
    Inventors: Toshihiro Ise, Tetsu Kitamura, Toru Watanabe
  • Patent number: 9287507
    Abstract: An organic electroluminescent element is provided that has high luminous efficiency, and a slow luminance deterioration rate in the initial stage of lighting. The organic electroluminescent element includes a substrate; a pair of electrodes including an anode and a cathode, disposed on the substrate; and at least one organic layer including a light emitting layer, disposed between the electrodes, wherein at least one organic layer includes a compound represented by the general formula (1). (R11 to R15 represent hydrogen atoms, alkyl groups, or silyl groups, and any one of R21 to R24 represents a group represented by general formula (1A) or (1B). Ph4 represents a p-phenylene group, and at least one of Ph4a and Ph4b represents a p-phenylene group.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: March 15, 2016
    Assignee: UDC Ireland
    Inventors: Kousuke Watanabe, Koji Takaku, Wataru Toyama, Toshihiro Ise, Masaru Kinoshita, Saki Takada
  • Patent number: 9133118
    Abstract: Provided is an organic electroluminescence device having excellent light emission efficiency and durability. Furthermore, provided is an organic electroluminescence device having a low driving voltage, a small change in chromaticity when driving at high luminance, a small change in chromaticity by aging and a small voltage rise by aging. An organic electroluminescence device including a pair of electrodes composed of an anode and a cathode, a light emitting layer between the electrodes and an organic layer which is adjacent to the light emitting layer between the light emitting layer and the cathode, on a substrate, whereto the the light emitting layer contains at least one compound having a carbazole structure and the organic layer adjacent to the light emitting layer contaions at least one hydrocarbon compound having a specific structure.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: September 15, 2015
    Assignee: UDC Ireland Limited
    Inventors: Tetsu Kitamura, Toru Watanabe, Toshihiro Ise
  • Publication number: 20150255636
    Abstract: A radiation detector (10) which has a multilayer structure that includes: a first electrode (34); a second electrode (49) that is disposed so as to face the first electrode; a selenium layer (48) that is disposed between the first electrode and the second electrode and contains amorphous selenium; a first blocking organic layer (38) that is adjacent to the selenium layer, between the first electrode and the selenium layer, and that contains a hole transport material having an electron affinity of 3.7 eV or less; and a second blocking organic layer (37) that is adjacent to the selenium layer, between the second electrode and the selenium layer, and that contains an electron transport material having an ionization potential of 5.9 eV or more. This radiation detector (10) has low dark current, excellent durability, and less afterimages.
    Type: Application
    Filed: May 19, 2015
    Publication date: September 10, 2015
    Inventors: Seiji YAMASHITA, Toshihiro ISE
  • Publication number: 20150162554
    Abstract: The organic electroluminescent element using a compound represented by the following general formulae emits dark blue light and exhibits good chromaticity at a wide range of concentrations of light emitting materials. [R1 to R37 represent a hydrogen atom or a substituent; X1 to X32 each independently represent a linking group represented by any one of CR61R62, NR63, O, S, and SiR64R65; A1 to A38 represent CR66 or N; R61 to R66 represent a hydrogen atom or a substituent.
    Type: Application
    Filed: August 6, 2012
    Publication date: June 11, 2015
    Applicant: UDC IRELAND LIMITED
    Inventors: Saki Takada, Koji Takaku, Tetsu Kitamura, Toshihiro Ise, Wataru Sotoyama
  • Publication number: 20150053936
    Abstract: An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which the organic layer includes a compound represented by the following general formula (1), has high luminous efficiency, excellent blue color purity, and a small change in the chromaticity due to deterioration by driving, wherein Cy, Dn1, Ac1, L1, L2, L3, ring Z1, u1, q1, n1, m1, A11, and A12 are as defined herein.
    Type: Application
    Filed: August 2, 2012
    Publication date: February 26, 2015
    Applicant: UDC IRELAND LIMITED
    Inventors: Koji Takaku, Tetsu Kitamura, Wataru Sotoyama, Yasunori Yonekuta, Toru Watanabe, Toshihiro Ise, Saki Takada
  • Patent number: 8940415
    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: March 14, 2012
    Date of Patent: January 27, 2015
    Assignee: UDC Ireland Limited
    Inventors: Kazumi Nii, Kousuke Watanabe, Tatsuya Igarashi, Seiji Ichijima, Toshihiro Ise
  • Publication number: 20140339519
    Abstract: An organic electroluminescent element using a compound represented by the following general formula (I) emits dark blue light and has a high effect of inhibition of voltage during high-luminance driving: wherein R1 to R6; E1 and E2; X1 and X2; and A1 to A8 are as defined herein.
    Type: Application
    Filed: August 6, 2012
    Publication date: November 20, 2014
    Applicant: UDC IRELAND LIMITED
    Inventors: Saki Takada, Koji Takaku, Yasunori Yonekuta, Toshihiro Ise
  • Publication number: 20140326966
    Abstract: An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes. At least one kind of a compound represented by the following general formula (I) is contained in any layer of the at least one organic layer. The organic electroluminescent element has good luminous efficiency, driving voltage, and driving durability, and has low dependence of such performance on a deposition rate. Wherein: L1 to L4, n1 to n4, A1, A5, A6, A10 and, R are as defined in the application.
    Type: Application
    Filed: August 6, 2012
    Publication date: November 6, 2014
    Applicant: UDC IRELAND LIMITED
    Inventors: Koji Takaku, Saki Takada, Yasunori Yonekuta, Toshihiro Ise
  • Publication number: 20140291660
    Abstract: This application relates in part to an organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and an organic layer(s) including a light emitting layer, in which the organic layer(s) contains a compound represented by the following formula (1), in which R1 to R8 are each hydrogen or a substituent, at least one of R1 to R4 and at least one of R5 to R8 are each a substituent represented by the formula (2); R9 to R12, Z1 to Z4, Ar1, Ar2, and L1 are as defined herein.
    Type: Application
    Filed: November 1, 2012
    Publication date: October 2, 2014
    Inventors: Koji Takaku, Yasunori Yonekuta, Masaru Kinoshita, Wataru Sotoyama, Toshihiro Ise, Kuniyuki Kaminaga, Heijiro Hirayama
  • Publication number: 20140291652
    Abstract: An organic electroluminescent element using a compound represented by the following general formula (I) emits dark blue light and has small changes in the chromaticity and in the driving voltage even after driving for a long period of time: wherein R1 to R6; Q1 and Q2; X1, X2, X3 and X4 are as defined herein.
    Type: Application
    Filed: August 6, 2012
    Publication date: October 2, 2014
    Applicant: UDC IRELAND LIMITED
    Inventors: Saki Takada, Koji Takaku, Tetsu Kitamura, Toshihiro Ise, Wataru Sotoyama