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:
Mar. 03, 2020
Filed:
Jun. 03, 2019
Applicant:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Inventors:
Jin-Woo Jeong, Daejeon, KR;
Yoon-Ho Song, Daejeon, KR;
Assignee:
ELECTRONICS AND TELELCOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 9/02 (2006.01); H01J 1/304 (2006.01); H01J 63/02 (2006.01); H01J 19/24 (2006.01);
U.S. Cl.
CPC ...
H01J 1/304 (2013.01); H01J 1/3048 (2013.01); H01J 9/025 (2013.01); H01J 63/02 (2013.01); H01J 19/24 (2013.01);
Abstract
Provided is an electron emission source including a substrate, a fixed structure provided on the substrate, and an electron emission yarn provided between the substrate and the fixed structure. The fixed structure includes a first portion having a first width and a second portion having a second width greater than the first width, and the electron emission yarn extends on a first sidewall of the first portion of the fixed structure from between the fixed structure and the substrate.