Vehicle lighting system including a light guiding member
US7857495B2 · kind B2 · utility
20Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2007 |
| Grant date | Dec 28, 2010 |
| Priority date | — |
| Expiry date | Jun 27, 2027 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A vehicle lighting system having: a light guiding member having a front face as a light emitting surface, a rear face having a plurality of reflecting portions inclined to the front face, and a side face; and a light source disposed opposite to the side face. An angle θ defined between the front face and the side face is designed such that, of external lights to enter into the light guiding member, a light to travel directly to the side face can be totally reflected on an interface of the side face.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.