Patents by Inventor Jeoung-hun YOON

Jeoung-hun 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).

  • TERTIARY AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE COMPRISING SAME
    Publication number: 20230301181
    Abstract: Provided is a tertiary amine derivative. The tertiary amine derivative effectively absorbs light in the UV region from high-energy external light sources to minimize damage to organic materials in organic electroluminescent devices, contributing to a substantial improvement in the lifetime of the organic electroluminescent devices.
    Type: Application
    Filed: August 4, 2021
    Publication date: September 21, 2023
    Applicant: LAPTO CO., LTD.
    Inventors: Moon-ki SEOK, Byung-soo GO, Hye-Jeong KIM, Young-jae KWON, Yong-pil PARK, Jeoung-hun YOON, Gyu-ri KIM, Kap-jong HAN, Eu-gene OH