Tunable lighting apparatus
US9696005B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2016 |
| Grant date | Jul 4, 2017 |
| Priority date | — |
| Expiry date | Jun 13, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A luminaire including a housing and a light source carried by the housing. The housing may include a first and second set of light emitting elements and a lens assembly. The lens assembly may include a lens with a first refraction section having a surface smoothness within a first range, and a second refraction section having a surface smoothness within a second range. The lens assembly may include conical frustum light source receiving members located between the light source and the lens. The first and second set of light emitting elements is configured to emit light at a first and second beam angle. The light emitted by the first set and second set of light emitting elements form a combined light with a center beam and gradient wherein the center beam has a greater candle power than the gradient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.