Projection device for a motor vehicle headlight and method for producing a projection device
US11060685B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2018 |
| Grant date | Jul 13, 2021 |
| Priority date | — |
| Expiry date | Nov 27, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2102/13
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a projection device (1) for a motor vehicle headlight, wherein the projection device (1) is configured to project light from at least one light source (2) associated with the projection device (1) in a region in front of a motor vehicle in the form of at least one light distribution, wherein a light-impermeable coating consists of partial layers arranged in an at least planar manner one on top of the other, specifically a reflective metal first partial layer (6) and a second partial layer (6″) consisting substantially of black light-absorbing paint, wherein the first partial layer (6′) is arranged between the input lens system (3) and the second partial layer (6″).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.