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:
Mar. 26, 2013
Filed:
Jan. 12, 2010
Applicants:
Noboru Sakurai, Chino, JP;
Yoshihide Nishiyama, Chino, JP;
Inventors:
Noboru Sakurai, Chino, JP;
Yoshihide Nishiyama, Chino, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 61/26 (2006.01); H01J 7/46 (2006.01); G03B 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A discharge lamp includes an arc tube made of quartz glass and enclosing a light emitting substance, and an electrode mainly made of tungsten and arranged in the arc tube, the electrode including at least one getter material that binds with oxygen.