Vehicle lighting system utilizing a uniform thickness thin sheet optical element
US5791757A · kind A · utility
87Cited by
20References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1997 |
| Grant date | Aug 11, 1998 |
| Priority date | — |
| Expiry date | Apr 1, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H1/2202
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting system for an automotive vehicle includes a remote laser light source coupled with a light transmitting fiber optic light guide bundle which illuminates a uniform thickness thin sheet optical element having a plurality of micro-optical wedges formed thereon and a plurality of diffractive optical elements disposed intermediate the fiber optic light guide bundle and the uniform thickness thin sheet optical element for receiving light and redirecting the light to predetermined regions of the plurality of micro-optical wedges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.