Glowing luminaire housing with phosphor
US9845921B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 31, 2012 |
| Grant date | Dec 19, 2017 |
| Priority date | — |
| Expiry date | Oct 9, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention provides a lighting unit (100) comprising a housing (120) including a light source (110). The light source (110) is configured to provide light source light (111) through a light exit part (121) of the housing (120). The lighting unit (100) further comprises a light interception part (130) configured to intercept part of the light source light (111) as intercepted light source light (112), and a luminescent material (140) configured to convert at least part of the intercepted light source light (112) into luminescent material light (141). The housing (120) further comprises a light emitting part (150), configured to allow the luminescent material light (141) escape from the housing (120).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.