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:
May. 19, 2026
Filed:
Oct. 14, 2021
Applicant:
Lumileds Llc, San Jose, CA (US);
Inventor:
Wouter Soer, Eindhoven, NL;
Assignee:
LUMILEDS LLC, San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B 45/20 (2020.01); F21K 9/64 (2016.01); F21Y 113/13 (2016.01); H01L 25/075 (2006.01); H10H 20/851 (2025.01);
U.S. Cl.
CPC ...
H05B 45/20 (2020.01); F21K 9/64 (2016.08); H01L 25/0753 (2013.01); H10H 20/8511 (2025.01); F21Y 2113/13 (2016.08);
Abstract
A light emitting device includes four primary light sources, the first light source emits light with an emission spectrum having a first peak in a wavelength in a range of 420-440 nm and a second peak in a wavelength range of 530-580 nm, the second light source emits light with an emission spectrum having a peak in a wavelength in a range of 470-500 nm, the third light source emits light with an emission spectrum having a peak in a wavelength range of 530-580 nm, and the fourth light source emits light with an emission spectrum having a peak in a wavelength range of 580-660 nm.