LED device
US9826589B1 · kind B1 · utility
1Cited by
0References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 3, 2017 |
| Grant date | Nov 21, 2017 |
| Priority date | — |
| Expiry date | Jan 3, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/48
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An LED device is disclosed. The LED device comprises a PWM controller. A phase dimmer produces a regulated signal. The PWM controller converts the regulated signal into a switching signal in a series mode and optionally converts the rectified signal into the switching signal in the parallel mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.