Alternating current light emitting device
US8598799B2 · kind B2 · utility
30Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2008 |
| Grant date | Dec 3, 2013 |
| Priority date | — |
| Expiry date | Mar 16, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B41/16
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An alternating current (AC) light emitting device includes an AC light emitting diode (LED) module and a waveform modulation unit. The AC LED module includes at least two sets of micro-diodes. The waveform modulation unit coupled between the AC LED module and an AC voltage source modulates a waveform of the AC voltage source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.