Luminaire utilizing waveguide
US9835317B2 · kind B2 · utility
8Cited by
37References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 3, 2016 |
| Grant date | Dec 5, 2017 |
| Priority date | — |
| Expiry date | Mar 3, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0036
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
According to one aspect, an optical waveguide comprises a plurality of coupling cavities for directing light into a waveguide body spaced from a particular point. Further, each of the coupling cavities comprises a dimension that varies with distance from the particular point.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.