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. 16, 2004
Filed:
Feb. 01, 2002
Applicant:
Inventors:
Assignee:
Samsung SDI Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/167 ; C09K 1/155 ;
U.S. Cl.
CPC ...
C09K 1/167 ; C09K 1/155 ;
Abstract
A low-voltage excited red phosphor of the present invention has a matrix including an oxide of an alkaline earth metal and titanium and doping elements including a rare-earth element, a group 13 element, and Zn. The phosphor has an improved lifetime and high brightness.