Patent · US Active

Illumination device for a motor vehicle

US11359784B2 · kind B2 · utility

0Cited by

4References

9Claims

0Family size

Assignee

Hella GmbH & Co. KGaA · DE

Inventors

Mathias DRUEPPEL · Lippstadt, DE
David Duhme · Lippetal, DE
Kai Ehlert · Cologne, DE
Bernd Fischer · Bräunlingen, DE
Julien Hansen · Delmenhorst, DE
Marc Kaup · Paderborn, DE
Lukas POERTNER · Bielefeld, DE
Claas TEBRUEGGE · Lippstadt, DE
Benjamin Willeke · Paderborn, DE
Jan-Henning WILLRODT · Hamburg, DE

Key dates

Filing date	Apr 13, 2020
Grant date	Jun 14, 2022
Priority date	—
Expiry date	Apr 15, 2040

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF21Y2113/13
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A lighting device for a motor vehicle, in particular a headlamp, comprising at least two, preferably three, light sources, from which light emanates during the operation of the lighting device, the light of each of the light sources differing from that of the other light sources with regard to its wavelength spectrum, comprising modulator, which bring about a modulation of the light emanating from the light sources during the operation of the lighting device, so that information is transmitted by the light, the lighting device having a mixer for mixing the light emanating from the individual light sources, so that white light emerges from the lighting device during the operation of the lighting device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.