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:
Sep. 04, 2007
Filed:
Feb. 20, 2003
Applicants:
Sanghyuk Lee, Anyang, KR;
Sanghoon Shin, Suwon, KR;
Yongchan You, Anyang, KR;
Joayoung Jeong, Seongnam, KR;
Inventors:
Sanghyuk Lee, Anyang, KR;
Sanghoon Shin, Suwon, KR;
Yongchan You, Anyang, KR;
Joayoung Jeong, Seongnam, KR;
Assignee:
Samsung SDI Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 29/20 (2006.01); C09K 11/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
A yellow ZnS-based phosphor having improved color coordinates and luminance for use in intermediate- and low-voltage display devices using improved activators and coactivators has color coordinates (x, y) shifting to a yellow emission as the amount of an activator is increased. Therefore, the ZnS: (Au or Cu), In phosphor can be advantageously utilized for various display applications including vacuum fluorescent displays (VFDs) and field emission displays (FEDs).