Tags: light emitting diodes

Online Presentations (1-1 of 1)

  1. Solid-State Lighting: An Opportunity for Nanotechnologists to Address the Energy Challenge

    25 Apr 2007 |

    More than one-fifth of the electrical power consumed in the U.S. is used for general illumination. Much of this energy is wasted to heat filaments in incandescent lamps, a century-old technology with an efficiency of about 5%. Fluorescent lighting is more efficient, but problems of color quality,...