Patents by Inventor Won-Hee OH

Won-Hee OH 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).

  • Compound for organic electronic element, organic electronic element using the same, and an electronic device thereof
    Patent number: 11925112
    Abstract: The present invention provides a novel compound that can improve the luminous efficiency, stability and life span of the element, an organic electronic element using the same, and an electronic device thereof.
    Type: Grant
    Filed: December 6, 2022
    Date of Patent: March 5, 2024
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Je Woo Lee, Hyun Ji Oh, Sun Hee Lee, Won Sam Kim, Byoung Yeop Kang
  • ROLLER ASSEMBLY AND ROLL-TO-ROLL SYSTEM INCLUDING THE SAME
    Publication number: 20140345656
    Abstract: Disclosed is a roller assembly, including a roller body portion and a first spray portion provided in the roller body portion to spray a first fluid onto a surface of a transfer member. The roller body portion and the first spray portion are configured to form an angle between the spraying direction of the first fluid and the surface of the transfer member.
    Type: Application
    Filed: March 5, 2014
    Publication date: November 27, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventor: Won-Hee OH