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:
Jun. 12, 2007
Filed:
Apr. 20, 2004
Applicants:
Anant Achyut Setlur, Niskayuna, NY (US);
Emil Radkov, Euclid, OH (US);
Inventors:
Anant Achyut Setlur, Niskayuna, NY (US);
Emil Radkov, Euclid, OH (US);
Assignee:
Gelcore, LLC, Valley View, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/64 (2006.01); C09K 11/59 (2006.01); G02F 2/07 (2006.01); H01J 63/04 (2006.01); H05B 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed are phosphor compositions doped with both Ceand Euand light emitting devices including a semiconductor light source and the above phosphor. Also disclosed are phosphor blends of the above phosphors and one ore more additional phosphors and white light emitting devices incorporating the same. The preferred blends are used to make light sources with CRI values greater than 90 at any CCT from about 2500 to 8000 K.