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:
Nov. 26, 2013
Filed:
Sep. 18, 2009
Applicants:
Yoon-chul Son, Hwaseong-si, KR;
Yong-chul Kim, Seoul, KR;
Jeong-na Heo, Yongin-si, KR;
Woo-sung Cho, Seoul, KR;
Byeong-kwon Ju, Seoul, KR;
Inventors:
Yoon-chul Son, Hwaseong-si, KR;
Yong-chul Kim, Seoul, KR;
Jeong-na Heo, Yongin-si, KR;
Woo-sung Cho, Seoul, KR;
Byeong-kwon Ju, Seoul, KR;
Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/304 (2006.01);
U.S. Cl.
CPC ...
Abstract
A field electron emitter including a metal electrode; and a plurality of carbon nanotubes, wherein a portion of the plurality of carbon nanotubes protrude from a surface of the metal electrode and a portion of the plurality of carbon nanotubes are in the metal electrode. Also disclosed is a field electron emission device including the field electron emitter and a method of manufacturing the field electron emitter.