Light guides having reflective coatings
US9885817B1 · kind B1 · utility
0Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2015 |
| Grant date | Feb 6, 2018 |
| Priority date | — |
| Expiry date | Dec 16, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0073
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Assemblies and techniques are provided for a light guide having a plurality of edge surfaces, a plurality of light sources optically coupled to the light guide, a grating structure adapted to direct light from a light source of the plurality of light sources to exit the light guide, and a coating on an edge surface of the plurality of edge surfaces, where the coating is adapted to reflect light emitted by the light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.