Lighting and/or signalling device with optical guide for a motor vehicle
US7437050B2 · kind B2 · utility
8Cited by
11References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2005 |
| Grant date | Oct 14, 2008 |
| Priority date | — |
| Expiry date | Jun 10, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21S43/245
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention concerns a lighting and/or signalling device for a motor vehicle comprising at least one light source emitting a light beam and at least one optical guide in which the light beam propagates, said optical guide comprising an output face for the light beam, and another reflection face, opposite to the output face, having a serrated profile forming a reflection face for the light beam, notably comprising a series of prisms, each prism forming, with the following prism (8), a bottom angle (D). At least one bottom angle of the reflection face is truncated, and/or in that the output face has a profile comprising flutes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.