Patents by Inventor Seunga Heo

Seunga Heo 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).

  • Organic light-emitting device
    Patent number: 12490646
    Abstract: An organic light-emitting device, comprising: a first electrode; a second electrode; and an organic layer located between the first electrode and the second electrode, wherein the organic layer comprises an emission layer, wherein the emission layer comprises a host, a sensitizer, and an emitter, wherein the host, the sensitizer, and the emitter are different from each other, and wherein the sensitizer is represented by Formula 1: M1(L1)(L2)??Formula 1 wherein, in Formula 1, M1 is Au, Ag, or Cu, L1 is a ligand represented by Formula 2-1 or Formula 2-2, and L2 is a ligand represented by one of Formulae 3-1, 3-2, or 3-3: wherein A21, A31, A32, X31, R21 to R24, R31 to R35, b23, and b33 are as defined herein, and * indicates a binding site to M1 in Formula 1.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: December 2, 2025
    Assignees: SAMSUNG ELECTRONICS CO., LTD., EWHA UNIVERSITY—INDUSTRY COLLABORATION FOUNDATION
    Inventors: Yongsik Jung, Youngmin You, Seunga Heo, Joonghyuk Kim, Hyeonho Choi, Inkoo Kim, Hyejin Bae
  • ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20230137127
    Abstract: An organic light-emitting device, comprising: a first electrode; a second electrode; and an organic layer located between the first electrode and the second electrode, wherein the organic layer comprises an emission layer, wherein the emission layer comprises a host, a sensitizer, and an emitter, wherein the host, the sensitizer, and the emitter are different from each other, and wherein the sensitizer is represented by Formula 1: M1(L1)(L2)??Formula 1 wherein, in Formula 1, M1 is Au, Ag, or Cu, L1 is a ligand represented by Formula 2-1 or Formula 2-2, and L2 is a ligand represented by one of Formulae 3-1, 3-2, or 3-3: wherein A21, A31, A32, X31, R21 to R24, R31 to R35, b23, and b33 are as defined herein, and * indicates a binding site to M1 in Formula 1.
    Type: Application
    Filed: February 22, 2022
    Publication date: May 4, 2023
    Inventors: Yongsik Jung, Youngmin You, Seunga Heo, Joonghyuk Kim, Hyeonho Choi, Inkoo Kim, Hyejin Bae