Patent · US Active

Lighting apparatus for a motor vehicle

US11208035B2 · kind B2 · utility

1Cited by

2References

10Claims

0Family size

Assignee

Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

Helmut Erdl · Flintsbach, DE
Abdelmalek Hanafi · Munich, DE
Lenja Sorokin · Munich, DE

Key dates

Filing date	May 31, 2019
Grant date	Dec 28, 2021
Priority date	—
Expiry date	Jun 5, 2039

Classification

Technology area (CPC G)Physics
CPC primaryG03H1/2202
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A lighting apparatus for a motor vehicle has a lighting module. The lighting module includes a laser light source for generating laser light. The laser light source has one or more laser diodes. The lighting module also includes an optical device on which the laser light is incident and which is designed to generate a defined symbol in the surroundings of the motor vehicle. The optical apparatus includes one or more holographically optical elements which are substantially non-absorbent to the laser light and which are designed to produce an interference of the laser light by phase modulation thereof in order to generate the defined symbol.

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