Device for automotive lighting
US10288248B1 · kind B1 · utility
8Cited by
6References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2017 |
| Grant date | May 14, 2019 |
| Priority date | — |
| Expiry date | Dec 14, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A device, a light guide, and a method for automotive lighting are provided. The device includes a light source and a light guide. The light source provides light rays. The light guide includes two or more aspheric surfaces having at least a common focal point. The two or more aspheric surfaces are configured to maintain total internal reflection of the light rays in the light guide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.