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.

Date of Patent:
Oct. 24, 2023

Filed:

May. 31, 2022
Applicant:

Ledvance Gmbh, Garching bei Munchen, DE;

Inventors:

Patrick Kotal, Regenstauf, DE;

Krister Bergenek, Regensburg, DE;

Shijun Nie, Garching, DE;

Assignee:

LEDVANCE GMBH, Garching bei Munchen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 45/46 (2020.01); H05B 45/20 (2020.01); H05B 47/19 (2020.01); H05B 45/24 (2020.01);
U.S. Cl.
CPC ...
H05B 45/46 (2020.01); H05B 45/24 (2020.01); H05B 47/19 (2020.01);
Abstract

A lighting device including an LED light source, wherein the LED light source includes a first LED strand for generating a first light with a first correlated color temperature and a second LED strand for generating a second light with a second color temperature different from the first color temperature. The lighting device further comprises control electronics with a controllable LED driver for driving the LED light source, wherein the control electronics comprise a switch for switching between the first LED strand and the second LED strand so that either the first LED strand or the second LED strand is activated depending on the switch position. A lighting system comprising the lighting device is further disclosed.


Find Patent Forward Citations

Loading…