Tunable white light source with variable UV component
US10441809B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2016 |
| Grant date | Oct 15, 2019 |
| Priority date | — |
| Expiry date | Oct 25, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2113/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention provides a lighting system (10) comprising a first light source (100), a second light source (200) and a control system (20) configured to control the first light source (100) and the second light source (200), wherein: —the first light source (100) is configured to provide first light source light (101) comprising: (i) a UV component; and (ii) (iia) a blue component or (iib) a blue component and a yellow component; —the second light source (200) is configured to provide white second light source light (201) having a second light source light correlated color temperature (Tc2); —the lighting system (10) is configured to provide lighting system light (11) comprising one or more of said first light source light (101) and said second light source light (201), with the lighting system light (11) having a controllable correlated color temperature (Tc).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.