Light-emitting device with total internal reflection (TIR) extractor
US10151446B2 · kind B2 · utility
1Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 2014 |
| Grant date | Dec 11, 2018 |
| Priority date | — |
| Expiry date | May 12, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A variety of light-emitting devices are disclosed that are configured to output light provided by a light source. In general, embodiments of the light-emitting devices feature a light source and an extractor element coupled to the light source, where the extractor element includes, at least in part, a total internal reflection (TIR) surface. Luminaires incorporating light-emitting devices of this type are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.