Lighting device for vehicles and production method thereof
US9759395B2 · kind B2 · utility
0Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2014 |
| Grant date | Sep 12, 2017 |
| Priority date | — |
| Expiry date | May 29, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0051
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a lighting device for vehicles including at least one diffuser body suitable for receiving light emitted by a light source so as to diffuse the light externally to the body. The diffuser body includes a solid matrix of transparent polymer material which incorporates a plurality of bubbles or cavities, wherein the solid matrix performs the transmission of light within the body by subsequent reflections and wherein the bubbles perform the diffusion of light and the extraction thereof outside the body by subsequent refractions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.