Patents by Inventor Hyeon Sun Shin

Hyeon Sun Shin 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).

  • Polycyclic aromatic compounds and organic electroluminescent devices using the same
    Patent number: 11985891
    Abstract: Disclosed are polycyclic aromatic compounds that can be employed in various organic layers of organic electroluminescent devices. Also disclosed are organic electroluminescent devices including the polycyclic aromatic compounds. The organic electroluminescent devices are highly efficient and long lasting and have greatly improved luminous efficiency.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: May 14, 2024
    Assignee: SFC Co., Ltd.
    Inventors: SungHoon Joo, Ji-Hwan Kim, Byung-sun Yang, Hyeon Jun Jo, Sungeun Choi, Su-jin Kim, Bong-Ki Shin
  • POLYCYCLIC COMPOUND AND ORGANOELECTRO LUMINESCENT DEVICE USING SAME
    Publication number: 20240122070
    Abstract: The present invention relates to a novel polycyclic compound employed in an organic layer of an organoelectro luminescent device, wherein the organoelectro luminescent device employing the compound according to the present invention has remarkably improved luminous efficiency and a long lifespan. According to the present invention, it is possible to implement a highly efficient and long-life organoelectro luminescent device that can be effectively applied to various display devices.
    Type: Application
    Filed: October 12, 2020
    Publication date: April 11, 2024
    Applicant: SFC CO., LTD
    Inventors: Bong-ki SHIN, Sung-hoon JOO, Byung-sun YANG, Ji-hwan KIM, Hyeon-jun JO, Sung-eun CHOI
  • Vacuum cleaner
    Patent number: D478196
    Type: Grant
    Filed: May 7, 2002
    Date of Patent: August 5, 2003
    Assignee: LG Electronics Inc.
    Inventors: Hyung Gi Kim, Hyeon Sun Shin