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. 28, 2021
Filed:
Jun. 03, 2020
Applicant:
Ecosense Lighting Inc., Los Angeles, CA (US);
Inventors:
Raghuram L. V. Petluri, Los Angeles, CA (US);
Paul Kenneth Pickard, Los Angeles, CA (US);
Assignee:
Ecosense Lighting Inc., Los Angeles, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/20 (2020.01); F21K 9/64 (2016.01); F21Y 113/13 (2016.01); F21Y 103/10 (2016.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
H05B 45/20 (2020.01); F21K 9/64 (2016.08); F21Y 2103/10 (2016.08); F21Y 2113/13 (2016.08); F21Y 2115/10 (2016.08);
Abstract
The present disclosure provides methods for generating white light. The methods use a plurality of LED strings to generate light with color points that fall within blue, yellow/green, red, and cyan color ranges, with each LED string being driven with a separately controllable drive current in order to tune the generated light output.