Lighting device and luminaire
US10161570B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2015 |
| Grant date | Dec 25, 2018 |
| Priority date | — |
| Expiry date | Jan 12, 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 (100) comprising a tubular body (120), said tubular body comprising a carrier (130) mounted inside the tubular body such that the tubular body comprises a first inner volume (102) delimited by a first arcuate section (121) of the tubular body and the carrier; and a second inner volume (104) delimited by a second arcuate section (124) of the tubular body and the carrier, wherein the carrier supports a plurality of solid state lighting elements (32) arranged to emit a luminous output into the first inner volume; and the first arcuate section (121) comprises a transparent region (123) and a translucent region (122) obscuring the solid state lighting elements, said transparent region extending from the translucent region to the carrier; wherein the carrier (130) comprises a central region extending along the length of the tubular body (120), and defining a recess in which the solid state lighting elements (32) are located, which recess prevents the solid state lighting elements (32) from being directly observable through the transparent region (123) of the first arcuate section (121). A luminaire (200) comprising at least one such a lighting device (100) …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.