Patents by Inventor Gyeong Deok KIM

Gyeong Deok KIM 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).

  • Patent number: 11956980
    Abstract: Discussed is an organic light emitting device in which a light emitting layer includes a host and different kinds of dopants, the fluorescent dopant is formed of a material having energy level properties facilitating thermally activated delayed fluorescence (TADF), and thus energy is concentratedly transferred to the fluorescent dopant so as to increase luminous efficacy of a single color.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: April 9, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Gyeong-Woo Kim, Hong-Seok Choi, Seung-Ryong Joung, Jun-Ho Lee, Yoon-Deok Han, Hee-Su Byeon
  • Publication number: 20240108977
    Abstract: The present disclosure relates to a force and complex vibration rendering system using a force feedback device and a wideband resonance actuator, and a method for providing force and complex vibration using the system.
    Type: Application
    Filed: September 29, 2023
    Publication date: April 4, 2024
    Applicants: GIST(Gwangju Institute of Science and Technology), Gleam Systems Co., Ltd.
    Inventors: Gun Hyuk PARK, Gyeong Deok KIM, Dong Hyeon KIM, Bong Soo KIM, Sung Ho KIM