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).
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Publication number: 20220208412Abstract: 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: ApplicationFiled: April 13, 2020Publication date: June 30, 2022Inventors: Shun FURUKAWA, Shinya OTSU
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Patent number: 11101448Abstract: 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: GrantFiled: September 26, 2017Date of Patent: August 24, 2021Assignee: MERCK PATENTS GMBHInventors: Yasunobu Kobayashi, Takeshi Hakii, Shun Furukawa
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Publication number: 20200067023Abstract: 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: ApplicationFiled: September 26, 2017Publication date: February 27, 2020Inventors: Yasunobu KOBAYASHI, Takeshi HAKII, Shun FURUKAWA
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Patent number: 10535834Abstract: 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: GrantFiled: February 1, 2016Date of Patent: January 14, 2020Assignee: KONICA MINOLTA, INC.Inventors: Shun Furukawa, Shigeru Kojima, Kazuhiro Yoshida, Takeshi Hakii
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Patent number: 10103347Abstract: 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: GrantFiled: November 27, 2015Date of Patent: October 16, 2018Assignee: KONICA MINOLTA, INC.Inventors: Shigeru Kojima, Kazuhiro Yoshida, Shun Furukawa, Takeshi Hakii
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Patent number: 9923165Abstract: 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: GrantFiled: July 24, 2015Date of Patent: March 20, 2018Assignee: KONICA MINOLTA, INC.Inventors: Kazuhiro Yoshida, Shigeru Kojima, Shun Furukawa, Takeshi Hakii, Toshiyuki Kinoshita
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Publication number: 20180053911Abstract: 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: ApplicationFiled: November 16, 2015Publication date: February 22, 2018Inventors: Kazuhiro YOSHIDA, Shigeru KOJIMA, Takeshi HAKII, Shun FURUKAWA
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Publication number: 20180040846Abstract: 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: ApplicationFiled: November 27, 2015Publication date: February 8, 2018Applicant: Konica Minolta, Inc.Inventors: Shigeru KOJIMA, Kazuhiro YOSHIDA, Shun FURUKAWA, Takeshi HAKII
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Publication number: 20180013090Abstract: 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: ApplicationFiled: February 1, 2016Publication date: January 11, 2018Inventors: Shun FURUKAWA, Shigeru KOJIMA, Kazuhiro YOSHIDA, Takeshi HAKII
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Publication number: 20170213996Abstract: 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: ApplicationFiled: July 10, 2015Publication date: July 27, 2017Inventors: Shun FURUKAWA, Toshiyuki KINOSHITA, Shigeru KOJIMA, Kazuhiro YOSHIDA, Takeshi HAKII
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Publication number: 20170200913Abstract: 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: ApplicationFiled: July 24, 2015Publication date: July 13, 2017Inventors: Kazuhiro YOSHIDA, Shigeru KOJIMA, Shun FURUKAWA, Takeshi HAKII, Toshiyuki KINOSHITA
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Publication number: 20160380227Abstract: 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: ApplicationFiled: January 29, 2015Publication date: December 29, 2016Inventors: Shigeru KOJIMA, Takeshi HAKII, Toshiyuki KINOSHITA, Kazuhiro YOSHIDA, Shun FURUKAWA
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Patent number: 9419241Abstract: 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: GrantFiled: October 18, 2013Date of Patent: August 16, 2016Assignee: KONICA MINOLTA, INC.Inventors: Shun Furukawa, Tomoyuki Nakayama, Takeshi Ono
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Publication number: 20150295200Abstract: 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: ApplicationFiled: October 18, 2013Publication date: October 15, 2015Inventors: Shun Furukawa, Tomoyuki Nakayama, Takeshi Ono
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Patent number: 8962364Abstract: 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: GrantFiled: February 28, 2011Date of Patent: February 24, 2015Assignee: Konica Minolta Holdings, Inc.Inventors: Hiroshi Ishidai, Tomoyuki Nakayama, Shun Furukawa
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Patent number: 8796674Abstract: 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: GrantFiled: February 7, 2011Date of Patent: August 5, 2014Assignee: Konica Minolta Holdings, Inc.Inventors: Shun Furukawa, Tomoyuki Nakayama, Hiroshi Ishidai
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Publication number: 20140103321Abstract: 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: ApplicationFiled: April 16, 2012Publication date: April 17, 2014Applicant: KONICA MINOLTA, INC.Inventors: Shun Furukawa, Takaaki Kuroki
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Publication number: 20140027751Abstract: 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: ApplicationFiled: March 28, 2012Publication date: January 30, 2014Applicant: KONICA MINOLTA, INC.Inventors: Shun Furukawa, Takaaki Kuroki
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Publication number: 20130011951Abstract: 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: ApplicationFiled: February 28, 2011Publication date: January 10, 2013Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Hiroshi Ishidai, Tomoyuki Nakayama, Shun Furukawa
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Publication number: 20120319094Abstract: 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: ApplicationFiled: February 7, 2011Publication date: December 20, 2012Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Shun Furukawa, Tomoyuki Nakayama, Hiroshi Ishidai