Light guide for low profile luminaire
US9851490B2 · kind B2 · utility
2Cited by
19References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2017 |
| Grant date | Dec 26, 2017 |
| Priority date | — |
| Expiry date | Jan 30, 2037 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A luminaire comprising a heat sink, a light source and a light guide. The light source is carried by the heat sink and configured to emit a source light. The light source includes a heat spreader having an inner surface and an outer surface, and a plurality of light-emitting diodes (LEDs) carried by a circuit board and disposed generally along an outer peripheral perimeter portion of the inner surface of the heat spreader, and positioned in thermal communication with the heat spreader. The light guide includes a lens with a plurality of optical elements disposed within the lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.