Light emitting diode driving apparatus and light emitting diode lighting apparatus
US9173265B2 · kind B2 · utility
3Cited by
0References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 2014 |
| Grant date | Oct 27, 2015 |
| Priority date | — |
| Expiry date | Jun 3, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B45/44
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
There are provided a light emitting diode (LED) driving apparatus and an LED lighting apparatus, in which a common detection resistor detecting a current flowing in each LED is used. According to exemplary embodiments of the present disclosure, manufacturing costs and a circuit area may be reduced by commonly using a common detection resistor detecting a current flowing in each of the LEDs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.