Patents by Inventor Shun FURUKAWA

Shun FURUKAWA 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: 20220208412
    Abstract: A transparent electrode has at least a conductive material layer on a transparent substrate. The conductive material layer is a metal nanowire layer. The transparent electrode has an organic layer containing a nitrogen-containing aromatic heterocyclic compound having a structure represented by the following Formula (1) adjacent to the metal nanowire layer, In Formula (1), A1 and A2 represent a reside that forms a 6-membered nitrogen-containing aromatic heterocycle together with a nitrogen atom, and the 6-membered nitrogen-containing aromatic heterocycle may form a fused ring, L represents a single bond or a linking group derived from an aromatic hydrocarbon ring, an aromatic heterocycle or an alkyl group.
    Type: Application
    Filed: April 13, 2020
    Publication date: June 30, 2022
    Inventors: Shun FURUKAWA, Shinya OTSU
  • Patent number: 11101448
    Abstract: Provided are an electronic device and an organic electroluminescence element both of which are excellent in optical properties as well as long-term storage stability and scratch resistance. Herein, the electronic device includes at least one functional layer on a resin substrate, and the electronic device is configured so that the functional layer contains a component with a structure of X—Y—X? as a resin component; X and X? independently include at least any one of the formulae (1)˜(7) respectively; and Y is a bivalent group including at least one S atom and one aromatic ring.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: August 24, 2021
    Assignee: MERCK PATENTS GMBH
    Inventors: Yasunobu Kobayashi, Takeshi Hakii, Shun Furukawa
  • Publication number: 20200067023
    Abstract: Provided are an electronic device and an organic electroluminescence element both of which are excellent in optical properties as well as long-term storage stability and scratch resistance. Herein, the electronic device includes at least one functional layer on a resin substrate, and the electronic device is configured so that the functional layer contains a component with a structure of X—Y—X? as a resin component; X and X? independently include at least any one of the formulae (1)˜(7) respectively; and Y is a bivalent group including at least one S atom and one aromatic ring.
    Type: Application
    Filed: September 26, 2017
    Publication date: February 27, 2020
    Inventors: Yasunobu KOBAYASHI, Takeshi HAKII, Shun FURUKAWA
  • Patent number: 10535834
    Abstract: An object of the present invention is to provide a transparent electrode including a substrate having thereon a conductive layer containing silver as a main component, wherein the transparent electrode has an organic functional layer between the substrate and the conductive layer; and the organic functional layer contains a first organic compound represented by Formula (1) and a second organic compound having a different structure from a structure of the first organic compound,
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: January 14, 2020
    Assignee: KONICA MINOLTA, INC.
    Inventors: Shun Furukawa, Shigeru Kojima, Kazuhiro Yoshida, Takeshi Hakii
  • Patent number: 10103347
    Abstract: A transparent electrode includes: a substrate; and a conductive metal layer on the substrate. The conductive metal layer has a thin metal wire and a plating layer. The plating layer covers the thin metal wire. The transparent electrode further includes a transparent conductive layer on a surface of the substrate on a side on which the thin metal wire is formed. The transparent conductive layer covers the substrate and the conductive metal layer. The thin metal wire is formed using a metal nanoparticle ink or a metal complex ink.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: October 16, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Shigeru Kojima, Kazuhiro Yoshida, Shun Furukawa, Takeshi Hakii
  • Patent number: 9923165
    Abstract: Provided are: a transparent electrode which exhibits excellent resistance to high temperature and high humidity, while having surface smoothness; a method for producing this transparent electrode; and an electronic device which has improved reliability by using this transparent electrode. A transparent electrode is configured to comprise a metal thin wire pattern that is formed on one main surface of a transparent substrate using metal nanoparticles and a metal oxide layer that has a surface roughness of 5 nm or less and is formed on the main surface of the transparent substrate so as to cover the surface of the metal thin wire pattern.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: March 20, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventors: Kazuhiro Yoshida, Shigeru Kojima, Shun Furukawa, Takeshi Hakii, Toshiyuki Kinoshita
  • Publication number: 20180053911
    Abstract: A transparent electrode includes a substrate, a conductive metal layer, a metal adhesion layer and a transparent conductive layer. The conductive metal layer is on the substrate. The metal adhesion layer is between the substrate and the conductive metal layer. The transparent conductive layer covers the substrate, the metal adhesion layer and the conductive metal layer. The conductive metal layer has a thin metal wire formed using a metal nanoparticle ink or a metal complex ink.
    Type: Application
    Filed: November 16, 2015
    Publication date: February 22, 2018
    Inventors: Kazuhiro YOSHIDA, Shigeru KOJIMA, Takeshi HAKII, Shun FURUKAWA
  • Publication number: 20180040846
    Abstract: The present invention addresses the problem of providing a transparent electrode having a low resistance and high storage stability, a method for manufacturing the transparent electrode, and an organic electroluminescent element. This transparent electrode wherein a metal conductive layer is provided on a substrate is characterized in that: the metal conductive layer has a metal fine line, and a plating layer covering the metal fine line; the transparent electrode has a transparent conductive layer on a substrate surface on the side on which the metal fine line is formed, said transparent conductive layer covering the substrate and the metal conductive layer; and the metal fine line is formed using a metal nano-particle ink or a metal complex ink.
    Type: Application
    Filed: November 27, 2015
    Publication date: February 8, 2018
    Applicant: Konica Minolta, Inc.
    Inventors: Shigeru KOJIMA, Kazuhiro YOSHIDA, Shun FURUKAWA, Takeshi HAKII
  • Publication number: 20180013090
    Abstract: An object of the present invention is to provide a transparent electrode including a substrate having thereon a conductive layer containing silver as a main component, wherein the transparent electrode has an organic functional layer between the substrate and the conductive layer; and the organic functional layer contains a first organic compound represented by Formula (1) and a second organic compound having a different structure from a structure of the first organic compound,
    Type: Application
    Filed: February 1, 2016
    Publication date: January 11, 2018
    Inventors: Shun FURUKAWA, Shigeru KOJIMA, Kazuhiro YOSHIDA, Takeshi HAKII
  • Publication number: 20170213996
    Abstract: Provided is an organic electroluminescent element that makes it possible to use a silver electride of a thin film as a cathode. The organic electroluminescent element is provided with a transparent electrode comprising silver as a main component, a counter electrode arranged so as to face the transparent electrode, and a light-emitting unit that is sandwiched between the transparent electrode and the counter electrode. A calcium-containing layer is provided adjacent to the transparent electrode between the transparent electrode and the light-emitting unit. The transparent electrode is used as a cathode and the counter electrode is used as an anode.
    Type: Application
    Filed: July 10, 2015
    Publication date: July 27, 2017
    Inventors: Shun FURUKAWA, Toshiyuki KINOSHITA, Shigeru KOJIMA, Kazuhiro YOSHIDA, Takeshi HAKII
  • Publication number: 20170200913
    Abstract: Provided are: a transparent electrode which exhibits excellent resistance to high temperature and high humidity, while having surface smoothness; a method for producing this transparent electrode; and an electronic device which has improved reliability by using this transparent electrode. A transparent electrode is configured to comprise a metal thin wire pattern that is formed on one main surface of a transparent substrate using metal nanoparticles and a metal oxide layer that has a surface roughness of 5 nm or less and is formed on the main surface of the transparent substrate so as to cover the surface of the metal thin wire pattern.
    Type: Application
    Filed: July 24, 2015
    Publication date: July 13, 2017
    Inventors: Kazuhiro YOSHIDA, Shigeru KOJIMA, Shun FURUKAWA, Takeshi HAKII, Toshiyuki KINOSHITA
  • Publication number: 20160380227
    Abstract: This organic electroluminescent element is provided with: a transparent electrode that is mainly composed of silver (Ag); a reflective electrode that is formed of a metal; and at least one light emitting layer that is provided between the transparent electrode and the reflective electrode. This organic electroluminescent element is configured such that the difference between the maximum value and the minimum value of element reflectance of light having a wavelength of 450-750 nm is 30% or less.
    Type: Application
    Filed: January 29, 2015
    Publication date: December 29, 2016
    Inventors: Shigeru KOJIMA, Takeshi HAKII, Toshiyuki KINOSHITA, Kazuhiro YOSHIDA, Shun FURUKAWA
  • Patent number: 9419241
    Abstract: An organic electroluminescent element includes: first and second electrodes; and luminous units between the electrodes on a substrate, adjacent luminous units each being separated by an intermediate electrode layer, wherein at least one of the electrodes is a transparent electrode; the luminous units are each an organic functional layer including an organic luminous layer; the intermediate electrode layer includes an independent connecting terminal for electrical connection; a thin-film layer is disposed on a surface of the transparent electrode being at least one of the electrodes; and the thin-film layer has a variable refractive index across a thickness of the thin-film layer, the variable refractive index having an extreme value at which the refractive index changes from an increase to a decrease or an extreme value at which the refractive index changes from a decrease to an increase.
    Type: Grant
    Filed: October 18, 2013
    Date of Patent: August 16, 2016
    Assignee: KONICA MINOLTA, INC.
    Inventors: Shun Furukawa, Tomoyuki Nakayama, Takeshi Ono
  • Publication number: 20150295200
    Abstract: An organic electroluminescent element includes: first and second electrodes; and luminous units between the electrodes on a substrate, adjacent luminous units each being separated by an intermediate electrode layer, wherein at least one of the electrodes is a transparent electrode; the luminous units are each an organic functional layer including an organic luminous layer; the intermediate electrode layer includes an independent connecting terminal for electrical connection; a thin-film layer is disposed on a surface of the transparent electrode being at least one of the electrodes; and the thin-film layer has a variable refractive index across a thickness of the thin-film layer, the variable refractive index having an extreme value at which the refractive index changes from an increase to a decrease or an extreme value at which the refractive index changes from a decrease to an increase.
    Type: Application
    Filed: October 18, 2013
    Publication date: October 15, 2015
    Inventors: Shun Furukawa, Tomoyuki Nakayama, Takeshi Ono
  • Patent number: 8962364
    Abstract: Disclosed is a production method for an organic electroluminescent element that is provided with a substrate, an organic laminate with an organic light emitting layer that was formed by a method involving a wet process, and a pair of electrodes, wherein the method produces an organic electroluminescent element with high luminous efficiency, low driving voltage, and a minimal rise in voltage when continuously driven, by applying the coating liquid for said organic light emitting layer, and thereafter, in a drying process, heating the substrate while applying tension in a manner such that a stress that is less than the yield stress is applied to the substrate.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: February 24, 2015
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Hiroshi Ishidai, Tomoyuki Nakayama, Shun Furukawa
  • Patent number: 8796674
    Abstract: Provided is a method of manufacturing an organic electronic device, wherein an organic electronic device that controls the injection and mobility of carriers in an organic charge transport layer thereof is manufactured by laminating organic layers comprising the same charge transportable organic compound, when manufacturing the organic electronic device with the coating method.
    Type: Grant
    Filed: February 7, 2011
    Date of Patent: August 5, 2014
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Shun Furukawa, Tomoyuki Nakayama, Hiroshi Ishidai
  • Publication number: 20140103321
    Abstract: An organic electroluminescent element may be provided that emits white light by energization which may include: an anode; a cathode; and two light-emitting layers provided between the anode and the cathode, each of the light-emitting layers comprising a host material and a phosphorescent dopant, wherein the host materials in the respective light-emitting layers are different from each other, at least one of the phosphorescent dopants in the respective light-emitting layers is a blue phosphorescent dopant having an ionization potential (Ip) of 5.3 eV or less, at least one of the two light-emitting layers comprises a plurality of the phosphorescent dopants, and at least a first layer has a concentration gradient of the blue phosphorescent dopant where the concentration of the blue phosphorescent dopant in an anode side is higher in the light-emitting layer in thickness direction.
    Type: Application
    Filed: April 16, 2012
    Publication date: April 17, 2014
    Applicant: KONICA MINOLTA, INC.
    Inventors: Shun Furukawa, Takaaki Kuroki
  • Publication number: 20140027751
    Abstract: An organic electroluminescent element that emits white light by energization may include a pair of electrodes; and two light-emitting layers provided between the electrodes, each of the light-emitting layers including a host material and a phosphorescence-emitting dopant. The host materials included in the respective light-emitting layers may be different from each other, at least one of the phosphorescence-emitting dopants included in the respective light-emitting layers may be a blue phosphorescence-emitting dopant having an ionization potential (Ip) of 5.3 eV or less, and at least one of the two light-emitting layers may include a plurality of the phosphorescence-emitting dopants.
    Type: Application
    Filed: March 28, 2012
    Publication date: January 30, 2014
    Applicant: KONICA MINOLTA, INC.
    Inventors: Shun Furukawa, Takaaki Kuroki
  • Publication number: 20130011951
    Abstract: Disclosed is a production method for an organic electroluminescent element that is provided with a substrate, an organic laminate with an organic light emitting layer that was formed by a method involving a wet process, and a pair of electrodes, wherein the method produces an organic electroluminescent element with high luminous efficiency, low driving voltage, and a minimal rise in voltage when continuously driven, by applying the coating liquid for said organic light emitting layer, and thereafter, in a drying process, heating the substrate while applying tension in a manner such that a stress that is less than the yield stress is applied to the substrate.
    Type: Application
    Filed: February 28, 2011
    Publication date: January 10, 2013
    Applicant: KONICA MINOLTA HOLDINGS, INC.
    Inventors: Hiroshi Ishidai, Tomoyuki Nakayama, Shun Furukawa
  • Publication number: 20120319094
    Abstract: Provided is a method of manufacturing an organic electronic device, wherein an organic electronic device that controls the injection and mobility of carriers in an organic charge transport layer thereof is manufactured by laminating organic layers comprising the same charge transportable organic compound, when manufacturing the organic electronic device with the coating method.
    Type: Application
    Filed: February 7, 2011
    Publication date: December 20, 2012
    Applicant: KONICA MINOLTA HOLDINGS, INC.
    Inventors: Shun Furukawa, Tomoyuki Nakayama, Hiroshi Ishidai