Luminaires and components thereof
US11092313B2 · kind B2 · utility
0Cited by
2References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 2019 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Sep 3, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lens comprises a light receiving side comprising grooves for receiving light emitting diodes, the grooves defined by a central refractive region and walls comprising total internal reflection faces; and a light extraction side opposite the light receiving side, the light extraction side comprising refractive extraction surfaces, total internal reflection extraction surfaces, or combinations thereof. In some embodiments, luminaire comprises an array of light emitting diodes, and the lens positioned over the array of light emitting diodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.