Lighting device
US10788709B2 · kind B2 · utility
2Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2018 |
| Grant date | Sep 29, 2020 |
| Priority date | — |
| Expiry date | Oct 30, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/3026
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting device includes a first lighting unit and a second lighting unit. The first lighting unit emits a first light spectrum having a main peak between 525 nm and 585 nm and a first sub peak between 400 nm and 470 nm. The second lighting unit emits a second light spectrum having a main peak between 595 nm and 775 nm and a second sub peak between 400 nm and 470 nm. An intensity of the first sub peak is different from an intensity of the second sub peak.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.