Lighting device and luminaire
US10041633B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2015 |
| Grant date | Aug 7, 2018 |
| Priority date | — |
| Expiry date | Apr 8, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a lighting device (10) comprising a heat sink (30) having an annular portion (31) including an annular surface portion (33) delimiting a central aperture (37), said annular surface portion (33) carrying a plurality of SSL elements (50); and a bulbous member (20) cooperating with the heat sink (30), said bulbous member (20) having a first surface portion (21) opposite said SSL elements (50) and a second surface portion (22) extending from said first surface portion (21) through said central aperture (37); wherein the bulbous member (20) is used as a light guide member for light emitted by the plurality of SSL elements (50). A luminaire including such a lighting device (10) is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.