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. 25, 2022
Filed:
Jun. 04, 2019
Applicant:
Lumileds Llc, San Jose, CA (US);
Inventors:
Marcus Jozef Henricus Kessels, San Jose, CA (US);
Hans-Helmut Bechtel, San Jose, CA (US);
Johannes Willem Herman Sillevis Smitt, San Jose, CA (US);
Wouter Soer, Eindhoven, NL;
Assignee:
LUMILEDS LLC, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/15 (2006.01); H01L 33/50 (2010.01); F21K 9/60 (2016.01);
U.S. Cl.
CPC ...
H01L 33/502 (2013.01); F21K 9/60 (2016.08); H01L 27/15 (2013.01);
Abstract
A light emitting device comprises a first group of one or more LEDs each configured to emit light having a blue color point in the 1931 CIE x,y Chromaticity Diagram, a second group of one or more LEDs each configured to emit light having a cyan or yellow color point in the 1931 CIE x,y Chromaticity Diagram, and a third group of one or more LEDs each configured to emit light having a red color point in the 1931 CIE x,y Chromaticity Diagram.