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.:

US 9082578 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 14, 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:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/02 (2006.01); H01J 1/304 (2006.01); H01J 9/02 (2006.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01);
U.S. Cl.
CPC ...
H01J 1/3044 (2013.01); H01J 9/025 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); H01J 2201/30411 (2013.01); H01J 2201/30434 (2013.01); Y10S 977/842 (2013.01); Y10S 977/939 (2013.01);
Abstract

An electron emission device and a method of manufacturing the same are provided. The electron emission device includes: i) a substrate including a metal tip; ii) carbon nano tubes that are positioned on the metal tip; and iii) a lithium layer that is positioned on the carbon nano tubes.


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