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:
May. 11, 2010
Filed:
Jul. 24, 2006
Applicants:
Young-chul Choi, Suwon-si, KR;
Jong-hwan Park, Suwon-si, KR;
Jong-seo Choi, Suwon-si, KR;
Inventors:
Assignee:
Samsung SDI Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electron emission material includes an electron emission material main body, a base metal layer disposed on the electron emission material main body, and a thermal electron emission layer disposed on the base metal layer.