LED luminaire with a smooth outer dome and a cavity with a ridged inner surface
US10935211B2 · kind B2 · utility
6Cited by
72References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 10, 2015 |
| Grant date | Mar 2, 2021 |
| Priority date | — |
| Expiry date | Mar 29, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An optical member includes a curved portion comprising an optically transmissive material. The enclosure has an outer surface and an inner surface opposite the outer surface. At least one light redirection feature protrudes from the inner surface. At least one indentation defined on the outer surface is configured to refract light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.