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:
Dec. 29, 2020
Filed:
Dec. 19, 2018
Applicant:
Lumileds Llc, San Jose, CA (US);
Inventors:
Danielle Russell Chamberlin, Belmont, CA (US);
Erik Maria Roeling, Son, NL;
Daniel Bernardo Roitman, Menlo Park, CA (US);
Kentaro Shimizu, Sunnyvale, CA (US);
Assignee:
Lumileds LLC, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/50 (2010.01); H01L 33/44 (2010.01); C09K 11/02 (2006.01); H01L 33/46 (2010.01); H01L 33/24 (2010.01); H01L 33/32 (2010.01); H01L 25/075 (2006.01);
U.S. Cl.
CPC ...
H01L 33/502 (2013.01); C09K 11/025 (2013.01); H01L 33/24 (2013.01); H01L 33/32 (2013.01); H01L 33/44 (2013.01); H01L 33/46 (2013.01); H01L 33/501 (2013.01); H01L 33/505 (2013.01); H01L 25/0753 (2013.01); H01L 2933/0041 (2013.01); H01L 2933/0091 (2013.01);
Abstract
A wavelength converting layer is disclosed that includes a plurality of phosphor grains 50-500 nm in size and encapsulated in cerium free YAG shells and a binder material binding the plurality of phosphor grains, the wavelength converting layer having a thickness of 5-20 microns attached to the light emitting surface.