The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 08, 2019
Filed:
Dec. 07, 2017
Electronics and Telecommunications Research Institute, Daejeon, KR;
Young Chul Choi, Daejeon, KR;
Yoon-Ho Song, Daejeon, KR;
Hyo Jin Jeon, Daejeon, KR;
Jun Tae Kang, Daejeon, KR;
Sora Park, Seoul, KR;
Jeong Woong Lee, Gongju, KR;
Eunsol Go, Daejeon, KR;
Min-Sik Shin, Daejeon, KR;
Jae-Woo Kim, Daejeon, KR;
Jin-Woo Jeong, Daejeon, KR;
Ji-Hwan Yeon, Daejeon, KR;
Sunghee Kim, Cheongju, KR;
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
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.