An effective LED dimming approach

@article{Narra2004AnEL,
  title={An effective LED dimming approach},
  author={Prathyusha Narra and D. Zinger},
  journal={Conference Record of the 2004 IEEE Industry Applications Conference, 2004. 39th IAS Annual Meeting.},
  year={2004},
  volume={3},
  pages={1671-1676 vol.3}
}
  • Prathyusha Narra, D. Zinger
  • Published 2004
  • Materials Science
  • Conference Record of the 2004 IEEE Industry Applications Conference, 2004. 39th IAS Annual Meeting.
As light emitting diodes (LEDs) have become increasingly accepted as a light source in many applications, the demand for dimming LEDs has also increased. Typically LEDs are supplied with voltage source. Dimming is accomplished by adjusting the average current in the LEDs through pulse width modulation of a switch in series with the load. This paper proposes a technique that uses a current source as the base supply. The average current is adjusted with a switch in parallel to the load. This… Expand
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