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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.:

US 10240087 B1

PDFFull Text
Date of Patent:
Mar. 26, 2019

Filed:

Mar. 09, 2017

Enhanced color-preference led light sources using lag, nitride, and pfs phosphors

Applicant:

GE Lighting Solutions, Llc, East Cleveland, OH (US);

Inventors:

Kevin James Vick, Cleveland Heights, OH (US);

Gary Robert Allen, Euclid, OH (US);

Ashfaqul Islam Chowdhury, Broadview Heights, OH (US);

Assignee:

GE Lighting Solutions, LLC, East Cleveland, OH (US);

Attorney:
Primary Examiner:

Anne M Hines

Int. Cl.
CPC ...
F21V 9/30 (2018.01); C09K 11/77 (2006.01); H05B 33/08 (2006.01); F21K 9/00 (2016.01); F21K 9/60 (2016.01); F21K 9/64 (2016.01); C09K 11/08 (2006.01); C09K 11/61 (2006.01); C09K 11/64 (2006.01); H01L 33/50 (2010.01); F21Y 113/13 (2016.01); F21Y 105/12 (2016.01); F21Y 115/10 (2016.01); F21V 9/08 (2018.01); F21V 9/00 (2018.01);
U.S. Cl.
CPC ...
C09K 11/7774 (2013.01); C09K 11/0883 (2013.01); C09K 11/617 (2013.01); C09K 11/64 (2013.01); C09K 11/7721 (2013.01); F21K 9/00 (2013.01); F21K 9/60 (2016.08); F21K 9/64 (2016.08); F21V 9/30 (2018.02); H01L 33/502 (2013.01); H01L 33/507 (2013.01); H05B 33/0857 (2013.01); H05B 33/0896 (2013.01); F21V 9/00 (2013.01); F21V 9/08 (2013.01); F21Y 2105/12 (2016.08); F21Y 2113/13 (2016.08); F21Y 2115/10 (2016.08); Y02B 20/181 (2013.01);
Abstract

According to some embodiments, a composite light source includes at least one blue light source having a peak wavelength in the range of about 400 nanometer (nm) to about 460 nm; at least one LAG phosphor; at least one narrow red down-converter; and wherein the composite light source has a Lighting Preference Index (LPI) of at least 120. Numerous other aspects are provided.

Find Patent Forward Citations

Vick, Kevin. (2019). Enhanced color-preference led light sources using lag, nitride, and pfs phosphors (U.S. Patent No. 10240087). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10240087

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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