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:
Jan. 26, 2016
Filed:
Mar. 15, 2013
Applicant:
Cree, Inc., Durham, NC (US);
Inventors:
Matthew Donofrio, Raleigh, NC (US);
Gerald Negley, Chapel Hill, NC (US);
Shaow B. Lin, Morrisville, NC (US);
Assignee:
Cree, Inc., Durham, NC (US);
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/06 (2006.01); F21V 9/08 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
F21V 9/08 (2013.01); C09K 11/06 (2013.01); G02B 1/04 (2013.01); C09K 2211/182 (2013.01);
Abstract
The present disclosure relates to optical elements and coatings comprising rare-earth element (REE) compounds for light wavelength attenuation of light emitting diode (LED) elements and lamps. More particularly, the present disclosure relates to LED elements and lamps comprising wavelength attenuating elements comprising REE compounds having at least a portion of non-crystalline, non-hydrate form, methods of preparing such elements, and LED elements, LED arrays, LED packages, optical elements, lamps and systems made with same.