LED-based lighting unit with optical component for mixing light output from a plurality of LEDs
US9447931B2 · kind B2 · utility
0Cited by
9References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2012 |
| Grant date | Sep 20, 2016 |
| Priority date | — |
| Expiry date | Nov 16, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2207/113
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus related to an LED-based lighting unit (10, 110) having an optical component for mixing light output from a plurality of LEDs (34, 134). In some embodiments the optical component may include at least one reflective surface interiorly thereof and the LEDs (34, 134) may be vertically arranged about the reflective surface. At least some of the LEDs (34, 34) may generate a light output generally directed toward the reflective surface. The reflective surface may be configured to direct at least some of the light output directly incident thereon through a light output opening (25, 125) of the optical component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.