Patents by Inventor Hongkyu Kang

Hongkyu Kang 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: 20250059399
    Abstract: The present inventive concept relates to a transparent polycarbonate-based optical laminate, which satisfies both high surface hardness and impact resistance, making it applicable to curved designs, a manufacturing method thereof, and a cover window using the same. More specifically, the present inventive concept provides an optical laminate: including a polycarbonate/primer layer/hard coating layer, wherein (A) the hard coating layer is a cured product of a siloxane resin prepared by hydrolytic condensation of an alkoxy silane of the following Formula 1 containing a cycloaliphatic epoxy group; and (B) the primer layer is a cured product of a mixture of at least one curing resin selected from an acrylic-based resin, a polyurethane-based resin, and an epoxy-based resin, and the siloxane resin.
    Type: Application
    Filed: August 13, 2024
    Publication date: February 20, 2025
    Inventors: Hongkyu KANG, Sangcho KIM, Hyeon-Seok JEONG
  • Patent number: 10553807
    Abstract: A functional layer for an organic electronic device, which contains a non-conjugated polymer having an amine group, and an organic electronic device including the same. An organic electronic device includes a first electrode, a second electrode, and one or more organic material layers disposed between the first electrode and the second electrode, wherein the organic material layers include an electron transport layer, and the electron transport layer contains polyallylamine or polylysine.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: February 4, 2020
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kwanghee Lee, Hongkyu Kang
  • Patent number: 9722197
    Abstract: Disclosed is a method for manufacturing an inverted organic electronic device. The method includes preparing a substrate having a first electrode; depositing a mixture of a cathode interface material and a photo active material onto the first electrode to form a bilayer or composite layer of a cathode interface layer and a photo active layer, followed by forming an anode interface layer on the bilayer or composite layer; and forming a second electrode on the anode interface layer. According to the present invention, it is possible to achieve simplification of a manufacturing process of an inverted organic electronic device and to provide an inverted organic electronic device having excellent performance by forming a cathode interface layer in the form of a uniform and pinhole-free thin film.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: August 1, 2017
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kwanghee Lee, Hongkyu Kang
  • Patent number: 9373791
    Abstract: A hole transport polymeric compound and a polymer light emitting diode using the same. The hole transport polymeric compound includes a hole transport material, a thermal cross-linking agent containing an ethynyl group, and a compound represented by [Formula 1], and can be applied to a polymer light emitting diode. In addition, the hole transport polymeric compound has excellent hole transport capabilities and has stability in solvents so as to be insoluble in a solvent used upon stacking other organic layers and blocking electrons well.
    Type: Grant
    Filed: July 2, 2013
    Date of Patent: June 21, 2016
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jae-Suk Lee, Beom-Goo Kang, Chang-Lyoul Lee, Kwanghee Lee, Hongkyu Kang
  • Publication number: 20150179965
    Abstract: Disclosed is a method for manufacturing an inverted organic electronic device. The method includes preparing a substrate having a first electrode; depositing a mixture of a cathode interface material and a photo active material onto the first electrode to form a bilayer or composite layer of a cathode interface layer and a photo active layer, followed by forming an anode interface layer on the bilayer or composite layer; and forming a second electrode on the anode interface layer. According to the present invention, it is possible to achieve simplification of a manufacturing process of an inverted organic electronic device and to provide an inverted organic electronic device having excellent performance by forming a cathode interface layer in the form of a uniform and pinhole-free thin film.
    Type: Application
    Filed: December 12, 2014
    Publication date: June 25, 2015
    Inventors: Kwanghee LEE, Hongkyu KANG
  • Publication number: 20150107674
    Abstract: A functional layer for an organic electronic device, which contains a non-conjugated polymer having an amine group, and an organic electronic device including the same. An organic electronic device includes a first electrode, a second electrode, and one or more organic material layers disposed between the first electrode and the second electrode, wherein the organic material layers include an electron transport layer, and the electron transport layer contains polyallylamine or polylysine.
    Type: Application
    Filed: November 30, 2012
    Publication date: April 23, 2015
    Inventors: Kwanghee Lee, Hongkyu Kang
  • Patent number: 8723191
    Abstract: An electronic device performing as a light emitting diode and a solar cell, and which comprises: a solar cell unit including a first electrode layer, an energy-level compensation layer formed on the first electrode layer, a photoelectric-conversion layer formed on the energy level compensation layer, and a shared electrode layer formed on the photoelectric-conversion layer; and a light emitting diode unit including the shared electrode layer, and a light emitting layer formed on the shared electrode layer and a second electrode layer formed on the light emitting layer, wherein a LUMO energy-level of the energy-level compensation layer is smaller than a work function of the first electrode layer and is larger than a LUMO energy level of the photoelectric-conversion layer, thereby increasing the generating efficiency of the solar cell unit or the luminous efficiency of the light emitting diode unit due to high electron mobility among the respective layers.
    Type: Grant
    Filed: November 26, 2010
    Date of Patent: May 13, 2014
    Assignee: Gwangju Institute of Science and Technology
    Inventors: Kwanghee Lee, Inwook Hwang, Hongkyu Kang, Geunjin Kim
  • Publication number: 20140008622
    Abstract: A hole transport polymeric compound and a polymer light emitting diode using the same. The hole transport polymeric compound includes a hole transport material, a thermal cross-linking agent containing an ethynyl group, and a compound represented by [Formula 1], and can be applied to a polymer light emitting diode. In addition, the hole transport polymeric compound has excellent hole transport capabilities and has stability in solvents so as to be insoluble in a solvent used upon stacking other organic layers and blocking electrons well.
    Type: Application
    Filed: July 2, 2013
    Publication date: January 9, 2014
    Applicant: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jae-Suk LEE, Beom-Goo KANG, Chang-Lyoul LEE, Kwanghee LEE, Hongkyu KANG
  • Publication number: 20120091473
    Abstract: An electronic device performing as a light emitting diode and a solar cell, and which comprises: a solar cell unit including a first electrode layer, an energy-level compensation layer formed on the first electrode layer, a photoelectric-conversion layer formed on the energy level compensation layer, and a shared electrode layer formed on the photoelectric-conversion layer; and a light emitting diode unit including the shared electrode layer, and a light emitting layer formed on the shared electrode layer and a second electrode layer formed on the light emitting layer, wherein a LUMO energy-level of the energy-level compensation layer is smaller than a work function of the first electrode layer and is larger than a LUMO energy level of the photoelectric-conversion layer, thereby increasing the generating efficiency of the solar cell unit or the luminous efficiency of the light emitting diode unit due to high electron mobility among the respective layers.
    Type: Application
    Filed: November 26, 2010
    Publication date: April 19, 2012
    Applicant: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Kwanghee Lee, Inwook Hwang, Hongkyu Kang, Geunjin Kim