公开(公告)号：US20180158640A1

公开(公告)日：2018-06-07

申请号：US15835073

申请日：2017-12-07

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： 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

IPC: H01J29/62 ,  H01J29/08 ,  H01J35/06

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.