Devices and systems having AC LED circuits and methods of driving the same
US9693405B2 · kind B2 · utility
16Cited by
3References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 19, 2015 |
| Grant date | Jun 27, 2017 |
| Priority date | — |
| Expiry date | Oct 19, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/59
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting device and system having at least one circuit, the circuit having at least two LEDs connected in series, parallel or anti-parallel configuration and at least one current limiting diode. The device or system may be driven with AC or DC power and may further include a sensor and polarity switching circuit to utilize all LEDs within the circuit when drive by DC power.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.