Multiphase voltage sources driven AC—LED
US7701149B2 · kind B2 · utility
6Cited by
6References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 28, 2006 |
| Grant date | Apr 20, 2010 |
| Priority date | — |
| Expiry date | Nov 28, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/42
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Multiphase voltage sources are used in driving an AC_LED; different light timing is achieved by changing the relative phase or frequency of the voltage sources. Different light color mixing is also achieved when more than one AC_LED with different colors are combined to use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.