Tunable white lighting systems
US11296058B2 · kind B2 · utility
1Cited by
2References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2018 |
| Grant date | Apr 5, 2022 |
| Priority date | — |
| Expiry date | Jun 5, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/882
- WIPO fieldSemiconductors
- WIPO sectorElectrical engineering
Abstract
According to at least one aspect, a lighting device is provided. The lighting device comprises a circuit board; a light emitting diode (LED) array mounted to the circuit board and configured to emit broad spectrum light at any one of a plurality of different color correlated temperature (CCT) values within a range of CCT values, the LED array comprising a first LED configured to emit narrow spectrum light and a second LED that is different from the first LED and configured to emit broad spectrum light; and at least one elastomer encapsulating at least part of the circuit board and the LED array mounted to the circuit board.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.