Lamps
US8884527B2 · kind B2 · utility
2Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 2012 |
| Grant date | Nov 11, 2014 |
| Priority date | — |
| Expiry date | Jan 26, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An embodiment of the invention provides a lamp comprising a control circuit and a light emitting device. The light emitting device comprises a plurality of light emitting units with different wavelengths. The control circuit calibrates a control signal according to an environment light to adjust a light spectrum of the light emitting device by controlling the luminance of each light emitting unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.