Patents by Inventor Hongseok Youn

Hongseok Youn 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 diodes
    Patent number: 8384071
    Abstract: Disclosed is an organic light-emitting diodes including a ZnO nanoparticle and an ionic group. The organic light-emitting diodes according to the present invention includes: a substrate formed of glass or a flexible plastic material; an anode formed on the substrate; a hole transport layer formed on the anode; an emissive layer formed on the hole transport layer; an electron transport layer being formed on the emissive layer and including a ZnO nanoparticle; an electron injection layer being formed on the electron transport layer and including an ionic group; and a cathode formed on the electron injection layer.
    Type: Grant
    Filed: December 28, 2010
    Date of Patent: February 26, 2013
    Assignee: Korea Advanced Institute of Science and Technology
    Inventors: Minyang Yang, Hongseok Youn
  • ORGANIC LIGHT-EMITTING DIODES
    Publication number: 20110284825
    Abstract: Disclosed is an organic light-emitting diodes including a ZnO nanoparticle and an ionic group. The organic light-emitting diodes according to the present invention includes: a substrate formed of glass or a flexible plastic material; an anode formed on the substrate; a hole transport layer formed on the anode; an emissive layer formed on the hole transport layer; an electron transport layer being formed on the emissive layer and including a ZnO nanoparticle; an electron injection layer being formed on the electron transport layer and including an ionic group; and a cathode formed on the electron injection layer.
    Type: Application
    Filed: December 28, 2010
    Publication date: November 24, 2011
    Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Minyang Yang, Hongseok Youn