Switchable bioactive lighting
US11938339B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2023 |
| Grant date | Mar 26, 2024 |
| Priority date | — |
| Expiry date | Jan 30, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides lighting systems, which may be semiconductor light emitting devices, with two or more of blue, red and/or LRNE, short-blue-pumped cyan, long-blue-pumped cyan, yellow, and violet channels. The lighting systems can have a plurality of operational modes that provide different biological effects while having good color rendering capability. The yellow and violet channels can include violet LEDs and be used in operational modes that provide white light with lower EML values relative to operational modes using three or more of the blue, red, short-blue-pumped cyan, and long-blue-pumped cyan color channels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.