Patents by Inventor Jeong Woo HAM

Jeong Woo HAM 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: 20240190810
    Abstract: A novel compound for a capping layer, and an organic light-emitting device containing the same are disclosed.
    Type: Application
    Filed: December 29, 2023
    Publication date: June 13, 2024
    Inventors: Ho Wan HAM, Hyun Cheol AN, Hee Joo KIM, Dong Jun KIM, Jeong Woo HAN, Hyung Jin LEE, Ja Eun ANN, Dong Yuel KWON, Ill Hun CHO, Bo Ra LEE, Yeong Rong PARK, Il Soo OH, Dae Woong LEE, Hyeon Jeong IM
  • Publication number: 20230400415
    Abstract: Provided is a self-healable hydrogel composite including a polyacrylic acid-polyvinyl alcohol-borax (PAA-PVA-borax) fiber gel onto which transition metal ions are adsorbed. The present invention can effectively seal spaces where there is a risk of chemical leakage and visually detect the presence or absence of leakage utilizing the elongation and self-healing properties of polyvinyl alcohol and borax hydrogels.
    Type: Application
    Filed: April 4, 2023
    Publication date: December 14, 2023
    Inventors: Won Gun KOH, Jeong Woo HAM, Jin Woo OH, Kyoung A. LIM