Patents by Inventor Kyung Kyu Yoon

Kyung Kyu Yoon 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).

  • FLEXIBLE CIRCUIT BOARD
    Publication number: 20230345632
    Abstract: A flexible printed circuit board (FPCB), which is applied to various electronic display devices, may include a base, a first metal layer and a second metal layer on both surfaces of the base, a first plating layer on the first metal layer, a second plating layer on the second metal layer, and a first insulating pattern and a second insulating pattern respectively disposed on some region of the first plating layer and the second plating layer, wherein the first plating layer and the second plating layer may have different thicknesses.
    Type: Application
    Filed: July 3, 2023
    Publication date: October 26, 2023
    Inventors: Jun Young LIM, Woong Sik Kim, Kyung Kyu Yoon