Headlight for a motor vehicle and method for distributing light
US9423091B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2014 |
| Grant date | Aug 23, 2016 |
| Priority date | — |
| Expiry date | Jan 21, 2034 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A motor vehicle headlight with at least one modulable laser light source (1a . . . 1d), whose laser beam is directed onto a means of light conversion (8) through a pivoting micromirror (7) controlled by a mirror control (9), and with a projection system (12) to project the light image produced by the means of light conversion onto the road, in which at least two laser light sources (1a . . . 1d) are provided that have a laser control (3) assigned to them to modulate the beam intensity, optics (5a . . . 5d) being arranged between each laser light source and the micromirror (7), each forming a laser beam (6a . . . 6d) with a specified beam cross section, the micromirror oscillating about an axis at a fixed frequency, the formed beams of the at least two laser light sources being reflected through the micromirror to form at least two horizontal light bands (10a . . . 10d) lying next to one another on the means of light conversion (8).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.