Micro-projection light module for a motor vehicle headlight, for achieving aplanatic light distribution
US10612741B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 24, 2016 |
| Grant date | Apr 7, 2020 |
| Priority date | — |
| Expiry date | Oct 24, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V11/186
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a microprojection light module (1) for a motor vehicle headlight, comprising at least one light source (2) and at least one projection device (3), which images the light exiting the at least one light source (2) into a region in front of the motor vehicle in the form of at least one light distribution, wherein the projection device (3) comprises an entrance lens system (30) including one, two or more micro entrance lenses (31), which are preferably arranged in an array, and an exit lens system (40) including one, two or more micro exit lenses (41), which are preferably arranged in an array, wherein each micro entrance lens (31) is associated with exactly one micro exit lens (41), wherein the micro entrance lenses (31) are designed in such a way and/or the micro entrance lenses (31) and the micro exit lenses (41) are arranged with respect to one another in such a way that substantially all the light exiting the micro entrance lens (31) enters exactly only the associated micro exit lens (41), and wherein the light preshaped by the micro entrance lenses (31) is imaged by the micro exit lenses (41) into a region in front of the motor vehicle as at least one lig…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.