Automotive lighting and/or signaling device
US11982417B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 8, 2019 |
| Grant date | May 14, 2024 |
| Priority date | — |
| Expiry date | May 8, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0068
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting and/or signaling device, comprising a light guide, at least one LED light source, wherein an inlet and diffusion wall and the light outlet wall are opposite to each other along a main optical axis (X). The lighting portion comprises a middle lighting portion aligned with the LED light source and the light emission portion, and a peripheral lighting portion. The device comprises at least one reflector element associated with the light inlet and diffusion wall of the light guide and directly facing the respective extraction elements so as to reflect light towards the light outlet wall. A diffusion layer is arranged to cover the lighting portion on the side of the light outlet wall. Cylindrical optics are provided on the light outlet wall, at the middle lighting portion, which extract the incident light beams thereon, towards the diffusion layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.