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:
Feb. 01, 2022

Filed:

Sep. 09, 2020
Applicant:

Lumileds Llc, San Jose, CA (US);

Inventor:

Andreas Timinger, Aachen, DE;

Assignee:

Lumileds LLC, San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S 41/141 (2018.01); F21S 41/663 (2018.01); H05B 45/10 (2020.01); H05B 45/3725 (2020.01); F21Y 115/10 (2016.01);
U.S. Cl.
CPC ...
F21S 41/141 (2018.01); F21S 41/663 (2018.01); H05B 45/10 (2020.01); H05B 45/3725 (2020.01); F21Y 2115/10 (2016.08);
Abstract

Embodiments include an automotive LED lighting module comprising an LED lamp comprising a number of light-emitting diodes; a first driver module configured to drive the LED lamp at a first DC voltage level (U_hi); a second driver module configured to drive the LED lamp at a second DC voltage level (U_lo), which second DC voltage level (U_lo) is lower than the first DC voltage level (U_hi); and a switch arrangement comprising an interface for connection to a two-level DC voltage supply (PS), and wherein the switch arrangement is configured to connect the first driver module to the LED lamp when the input voltage is at a first level and to connect the second driver module to the LED lamp when the input voltage level is at a second level (U_lo). Embodiments can further include an automotive lighting system of a vehicle, and a method of operating an automotive LED lighting system.


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