Lighting device for a motor vehicle headlamp
US10018317B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2016 |
| Grant date | Jul 10, 2018 |
| Priority date | — |
| Expiry date | Jul 18, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a lighting device (1) for a headlamp, in particular a motor-vehicle headlamp, comprising a plurality of light sources (100), a light-guiding device (10) with a plurality of light-guiding elements (11, 12, 13), and a downstream imaging optical element (200), wherein each light-guiding element (11, 12, 13) has a light infeed face and a light exit face, wherein the light-guiding elements (11, 12, 13) are arranged in at least one row, wherein the light-guiding elements of at least one row are configured as main beam light-guiding elements (11) and form a main beam row, wherein each main beam light-guiding element (11) comprises a lower light-guiding face (24), wherein the lower light-guiding face (24) has, at least in the region in which the light beams (52) are reflected, structures (25) at least in regions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.