Patents by Inventor Takatoshi Suematsu

Takatoshi Suematsu 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: 10675842
    Abstract: A transparent electrode has excellent adhesion between a substrate and a conductive layer. A transparent electrode includes a substrate, an underlying layer, and a conductive layer sequentially stacked. The underlying layer contains at least one selected from a compound having a thiol group and a poly(meth)acrylate and a poly(meth)acrylamide each having an aminoethyl group.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: June 9, 2020
    Assignee: KONICA MINOLTA, INC.
    Inventors: Takatoshi Suematsu, Kazuaki Nakamura
  • Patent number: 10305063
    Abstract: An object of the present invention is to provide a transparent organic electroluminescence element in which durability is excellent, a transparent lead-out electrode of low resistance is provided, and there is no uncomfortable feeling in visibility of the entire element. The transparent organic electroluminescence element according to the present invention is a transparent organic electroluminescence element including: at least an organic electroluminescence element portion and a lead-out electrode portion, in which two-sided light emission is capable of being performed, wherein a total light transmittance (%) of the lead-out electrode portion in a visible light range is in a range of 90% to 110%, with respect to a total light transmittance (%) of the organic electroluminescence element portion in a visible light range at the time of non-light emission.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: May 28, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Takaaki Kuroki, Takatoshi Suematsu, Shigeru Kojima, Shusaku Kon
  • Patent number: 10251267
    Abstract: A transparent electrode (1) comprises a transparent substrate (2); a metal conductive layer (4) composed of a metal thin line pattern; and a polymer conductive layer (6) including a conductive polymer containing a polymer acid. The metal conductive layer (4) is formed on/over the transparent substrate (2) and the metal conductive layer (4) is covered with the polymer conductive layer (6). The polymer conductive layer (6) has a surface specific resistance of 10,000?/? or smaller and the polymer acid contains a fluorinated polymer acid and a non-fluorinated polymer acid. In the polymer conductive layer (6) a concentration of the fluorinated polymer acid increases along a direction from the transparent substrate (2) towards the polymer conductive layer (6).
    Type: Grant
    Filed: September 27, 2012
    Date of Patent: April 2, 2019
    Assignee: KONICA MINOLTA, INC.
    Inventors: Akihiko Takeda, Takatoshi Suematsu
  • Publication number: 20190047258
    Abstract: A transparent electrode has excellent adhesion between a substrate and a conductive layer. A transparent electrode includes a substrate, an underlying layer, and a conductive layer sequentially stacked. The underlying layer contains at least one selected from a compound having a thiol group and a poly(meth)acrylate and a poly(meth)acrylamide each having an aminoethyl group.
    Type: Application
    Filed: September 7, 2016
    Publication date: February 14, 2019
    Inventors: Takatoshi SUEMATSU, Kazuaki NAKAMURA
  • Publication number: 20190006614
    Abstract: An object of the present invention is to provide a transparent organic electroluminescence element in which durability is excellent, a transparent lead-out electrode of low resistance is provided, and there is no uncomfortable feeling in visibility of the entire element. The transparent organic electroluminescence element according to the present invention is a transparent organic electroluminescence element including: at least an organic electroluminescence element portion and a lead-out electrode portion, in which two-sided light emission is capable of being performed, wherein a total light transmittance (%) of the lead-out electrode portion in a visible light range is in a range of 90% to 110%, with respect to a total light transmittance (%) of the organic electroluminescence element portion in a visible light range at the time of non-light emission.
    Type: Application
    Filed: August 25, 2016
    Publication date: January 3, 2019
    Inventors: Takaaki KUROKI, Takatoshi SUEMATSU, Shigeru KOJIMA, Shusaku KON
  • Publication number: 20180269430
    Abstract: An object of the present invention is to provide an organic EL device having a high light transmittance and a small difference in light transmittance between a light emitting region and a non-light emitting region.
    Type: Application
    Filed: June 1, 2016
    Publication date: September 20, 2018
    Inventors: Shigeru KOJIMA, Shusaku KON, Takatoshi SUEMATSU, Takaaki KUROKI
  • Patent number: 9608226
    Abstract: A method for forming a transparent electrode includes a step of forming a thin metal wire on a transparent substrate; and a step of forming a transparent conductive layer on the transparent substrate and the thin metal wire. The step of forming the transparent conductive layer is a step of forming the transparent conductive layer by applying an application liquid onto the transparent substrate and the thin metal wire by printing. The application liquid is composed of a conductive polymer, a water-soluble binder having a structural unit represented by the following general formula (I), a polar solvent having a log P value of ?1.50 to ?0.45, and 5.0 to 25 mass % of a glycol ether.
    Type: Grant
    Filed: February 14, 2013
    Date of Patent: March 28, 2017
    Assignee: Konica Minolta, Inc.
    Inventors: Takatoshi Suematsu, Akihiko Takeda, Masaki Goto, Toshiyuki Matsumura
  • Patent number: 9601711
    Abstract: A composition for forming a transparent electrode is to form a conductive polymer layer on a transparent substrate. The composition includes: a conductive polymer; a self-dispersing polymer dispersible in an aqueous solvent; water; a polar solvent other than water; and a glycol ether. The self-dispersing polymer is a self-dispersing polymer containing a dissociable group and having a glass transition temperature of 25° C. or more and 80° C. or less.
    Type: Grant
    Filed: January 28, 2013
    Date of Patent: March 21, 2017
    Assignee: Konica Minolta, Inc.
    Inventors: Akihiko Takeda, Takatoshi Suematsu
  • Patent number: 9306186
    Abstract: Provided is an organic electronic device exhibiting excellent conductivity and transparency of an electrode, and low driving voltage, together with en excellent storing property and excellent lifetime. Also disclosed is an organic electronic device possessing a transparent substrate and provided thereon, a first transparent electrode, a second electrode and an organic functional layer provided between the first transparent electrode and the second electrode, wherein the first transparent electrode and the second electrode are opposed to each other, and a transparent conductive layer containing a conductive polymer and an aqueous binder is provided between the first transparent electrode and the organic functional layer.
    Type: Grant
    Filed: March 16, 2011
    Date of Patent: April 5, 2016
    Assignee: KONICA MINOLTA, INC.
    Inventors: Takatoshi Suematsu, Hirokazu Koyama
  • Publication number: 20150364713
    Abstract: A composition for forming a transparent electrode is to form a conductive polymer layer on a transparent substrate. The composition includes: a conductive polymer; a self-dispersing polymer dispersible in an aqueous solvent; water; a polar solvent other than water; and a glycol ether. The self-dispersing polymer is a self-dispersing polymer containing a dissociable group and having a glass transition temperature of 25° C. or more and 80° C. or less.
    Type: Application
    Filed: January 28, 2013
    Publication date: December 17, 2015
    Inventors: Akihiko Takeda, Takatoshi Suematsu
  • Patent number: 8987720
    Abstract: The purpose of the present invention is to provide a transparent surface electrode that maintains high transparency, suppresses the occurrence of leak currents, and has superior storage stability and resistance to damage by bending, a method for manufacturing the same, and an organic electronic element using the same. This transparent surface electrode has a metal pattern conductive layer that contains a metal on a transparent base material, and the transparent surface electrode also has a transparent polymer conductive layer, which contains that base material and a conductive polymer, on that metal pattern conductive layer. The transparent surface electrode is characterized by the surface roughness (Ra (surface roughness provided for by JIS, B601 (1994))) of the metal pattern conductive layer being 20 nm or less, and the polymer conductive layer containing a non-conductive polymer having a hydroxyl group.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: March 24, 2015
    Assignee: Konica Minolta, Inc.
    Inventors: Takatoshi Suematsu, Akihiko Takeda
  • Publication number: 20150053950
    Abstract: A method for forming a transparent electrode includes a step of forming a thin metal wire on a transparent substrate; and a step of forming a transparent conductive layer on the transparent substrate and the thin metal wire. The step of forming the transparent conductive layer is a step of forming the transparent conductive layer by applying an application liquid onto the transparent substrate and the thin metal wire by printing. The application liquid is composed of a conductive polymer, a water-soluble binder having a structural unit represented by the following general formula (I), a polar solvent having a log P value of ?1.50 to ?0.45, and 5.0 to 25 mass % of a glycol ether.
    Type: Application
    Filed: February 14, 2013
    Publication date: February 26, 2015
    Inventors: Takatoshi Suematsu, Akihiko Takeda, Masaki Goto, Toshiyuki Matsumura
  • Publication number: 20140224322
    Abstract: A transparent electrode (1) comprises a transparent substrate (2); a metal conductive layer (4) composed of a metal thin line pattern; and a polymer conductive layer (6) including a conductive polymer containing a polymer acid. The metal conductive layer (4) is formed on/over the transparent substrate (2) and the metal conductive layer (4) is covered with the polymer conductive layer (6). The polymer conductive layer (6) has a surface specific resistance of 10,000?/? or smaller and the polymer acid contains a fluorinated polymer acid and a non-fluorinated polymer acid. In the polymer conductive layer (6) a concentration of the fluorinated polymer acid increases along a direction from the transparent substrate (2) towards the polymer conductive layer (6).
    Type: Application
    Filed: September 27, 2012
    Publication date: August 14, 2014
    Applicant: Konica Minolta, Inc.
    Inventors: Akihiko Takeda, Takatoshi Suematsu
  • Publication number: 20130285041
    Abstract: The purpose of the present invention is to provide a transparent surface electrode that maintains high transparency, suppresses the occurrence of leak currents, and has superior storage stability and resistance to damage by bending, a method for manufacturing the same, and an organic electronic element using the same. This transparent surface electrode has a metal pattern conductive layer that contains a metal on a transparent base material, and the transparent surface electrode also has a transparent polymer conductive layer, which contains that base material and a conductive polymer, on that metal pattern conductive layer. The transparent surface electrode is characterized by the surface roughness (Ra (surface roughness provided for by JIS, B601 (1994))) of the metal pattern conductive layer being 20 nm or less, and the polymer conductive layer containing a non-conductive polymer having a hydroxyl group.
    Type: Application
    Filed: December 7, 2011
    Publication date: October 31, 2013
    Applicant: KONICA MINOLTA, INC.
    Inventors: Takatoshi Suematsu, Akihiko Takeda
  • Publication number: 20120211739
    Abstract: The organic electronic device prevents short-circuiting between electrodes and improves lifetime without deteriorating transmittance, driving voltage stability and storage stability thereof. The organic electronic device has a substrate and provided thereon, a first electrode and a second electrode opposed to each other and at least one organic functional layer located between the first and second electrodes. At least one of the first and second electrodes has an electrically conductive polymer-containing layer containing a hydrophilic polymer binder and an electrically conductive polymer having a ? conjugated electrically conductive polymer component and a polyanion component. At least a part of the electrically conductive polymer-containing layer is subjected to crosslinking, and the electrically conductive polymer-containing layer has been subjected to wet washing treatment.
    Type: Application
    Filed: October 21, 2010
    Publication date: August 23, 2012
    Applicant: KONICA MINOLTA HOLDINGS, INC.
    Inventors: Hirokazu Koyama, Takatoshi Suematsu
  • Publication number: 20120205643
    Abstract: Provided is an organic electronic device exhibiting excellent conductivity and transparency of an electrode, and low driving voltage, together with en excellent storing property and excellent lifetime. Also disclosed is an organic electronic device possessing a transparent substrate and provided thereon, a first transparent electrode, a second electrode and an organic functional layer provided between the first transparent electrode and the second electrode, wherein the first transparent electrode and the second electrode are opposed to each other, and a transparent conductive layer containing a conductive polymer and an aqueous binder is provided between the first transparent electrode and the organic functional layer.
    Type: Application
    Filed: March 16, 2011
    Publication date: August 16, 2012
    Applicant: KONICA MINOLTA HOLDINGS, INC.
    Inventors: Takatoshi Suematsu, Hirokazu Koyama