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:
Aug. 14, 2018
Filed:
Sep. 11, 2017
Applicant:
Korea University Research and Business Foundation, Seoul, KR;
Inventors:
Cheol Jin Lee, Seoul, KR;
Dong Hoon Shin, Seoul, KR;
Ki Nam Yun, Gyeonggi-do, KR;
Yu Ning Sun, Seoul, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/05 (2006.01); H01J 9/02 (2006.01); H01J 1/304 (2006.01); H01J 29/04 (2006.01);
U.S. Cl.
CPC ...
H01J 9/025 (2013.01); H01J 1/304 (2013.01); H01J 29/04 (2013.01); H01J 2201/30403 (2013.01);
Abstract
The present disclosure relates to a manufacturing method for an electron emitting device using a graphite adhesive material. A method of preparing paste for forming a cathode of an electron emitting device includes: mixing and dispersing a nanomaterial for electron emission and a graphite filler in a solvent; drying a mixed solution in which the nanomaterial and the graphite filler are mixed; and preparing paste by mixing a graphite binder with the dried mixture.