Patents by Inventor Jun-A LEE

Jun-A LEE 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).

  • POINT OF INTERFACE
    Publication number: 20240243611
    Abstract: Disclosed is a point of interface for connecting communication between a base station and a distributed antenna system, including: a power collection unit provided with first ports connected to the base station; and second ports connected to the distributed antenna system; and a battery management unit including a battery pack, wherein the power collection unit includes: a rectifier for rectifying a signal transmitted through the first ports; couplers for coupling the signal transmitted through the first ports to transmit an obtained sub RF signal to the second ports; and a charger for charging the battery pack with power using the rectified signal.
    Type: Application
    Filed: February 4, 2022
    Publication date: July 18, 2024
    Inventors: Gwang-Jae JANG, Jin-Kyu LEE, Jun-A LEE, Hyung-Gyu KIM
  • HYDROCARBON-BASED FUSED RING COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME
    Publication number: 20140197393
    Abstract: The present invention relates to a hydrocarbon-based fused ring compound and an organic light emitting device including the same.
    Type: Application
    Filed: December 20, 2013
    Publication date: July 17, 2014
    Applicant: HEESUNG MATERIAL LTD.
    Inventors: Jun-A LEE, Geon-Yu PARK, Jeong-Hoon YANG, Sung-Jin EUM, Joo-Dong LEE