Patents by Inventor Ji-Hwan YEON

Ji-Hwan YEON 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).

  • Field emission apparatus
    Patent number: 10438764
    Abstract: Disclosed is a field emission apparatus. The apparatus comprises a cathode electrode and an anode electrode spaced apart from each other, an emitter on the cathode electrode, a gate electrode between the cathode and anode electrodes and including at least one gate aperture overlapping the emitter, and an electron transmissive sheet on the gate electrode and including a plurality of fine openings overlapping the gate aperture.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: October 8, 2019
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young Chul Choi, Yoon-Ho Song, Hyo Jin Jeon, Jun Tae Kang, Sora Park, Jeong Woong Lee, Eunsol Go, Min-Sik Shin, Jae-Woo Kim, Jin-Woo Jeong, Ji-Hwan Yeon, Sunghee Kim
  • FIELD EMISSION APPARATUS
    Publication number: 20180158640
    Abstract: Disclosed is a field emission apparatus. The apparatus comprises a cathode electrode and an anode electrode spaced apart from each other, an emitter on the cathode electrode, a gate electrode between the cathode and anode electrodes and including at least one gate aperture overlapping the emitter, and an electron transmissive sheet on the gate electrode and including a plurality of fine openings overlapping the gate aperture.
    Type: Application
    Filed: December 7, 2017
    Publication date: June 7, 2018
    Inventors: Young Chul CHOI, Yoon-Ho SONG, Hyo Jin JEON, Jun Tae KANG, Sora PARK, Jeong Woong LEE, Eunsol GO, Min-Sik SHIN, Jae-Woo KIM, Jin-Woo JEONG, Ji-Hwan YEON, Sunghee KIM