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:
Jan. 06, 2015
Filed:
Apr. 23, 2013
Applicant:
Intellectual Discovery Co., Ltd., Seoul, KR;
Inventors:
Jin Seok Park, Ansan-si, KR;
Bu Jong Kim, Ansan-si, KR;
Won Kim, Ansan-si, KR;
Sang Hyuk Lee, Ansan-si, KR;
Assignee:
Intellectual Discovery Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/304 (2006.01); H01J 9/02 (2006.01); B82Y 30/00 (2011.01);
U.S. Cl.
CPC ...
H01J 1/3042 (2013.01); B82Y 30/00 (2013.01); H01J 9/025 (2013.01); H01J 2329/0431 (2013.01); H01J 2201/30434 (2013.01); H01J 2329/8615 (2013.01); H01J 2329/861 (2013.01);
Abstract
An electron emission device and a method of manufacturing the same are provided. The electron emission device includes i) a hydrophilic resin substrate and ii) carbon nano tubes that are positioned on the resin substrate. Surface roughness Ra of the resin substrate is 7.3 μm to 9.75 μm.