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. 28, 2006
Filed:
Mar. 03, 2004
Applicants:
Yongchi Tian, Princeton, NJ (US);
Diane Zaremba, Fairless Hills, PA (US);
Perry Niel Yocom, Washington Crossing, PA (US);
Inventors:
Yongchi Tian, Princeton, NJ (US);
Diane Zaremba, Fairless Hills, PA (US);
Perry Niel Yocom, Washington Crossing, PA (US);
Assignee:
Sarnoff Corporation, Princeton, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/56 (2006.01); C09K 11/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided among other things is a method of forming a phosphor of the formulaSrGaS:Eu:xGaS  (I)wherein x is 0.0001 to 0.2, wherein a minor part of the europium component may be substituted with praseodymium in an efficiency enhancing amount, and wherein the median grain size of the phosphor composition is from 2 to 12 microns, the method comprising: