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Prospects for LED lighting

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More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting.

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Figure 1: White light from a cone-shaped LED illuminates researchers from the University of California, Santa Barbara.

RANDY LAMB, UCSB

Figure 2: White light based on LEDs.
Figure 3: Historic development of the most common white-light sources and improvements in their ability to produce white light efficiently.

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Authors and Affiliations

  1. Steven P. DenBaars and Shuji Nakamura are in the Materials Department, Siddha Pimputkar, James S. Speck, Solid State Lighting and Energy Center (SSLEC), University of California, Santa Barbara, California 93106, USA. shuji@engineering.ucsb.edu,

    Siddha Pimputkar, James S. Speck, Steven P. DenBaars & Shuji Nakamura

Authors
  1. Siddha Pimputkar
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  2. James S. Speck
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  3. Steven P. DenBaars
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  4. Shuji Nakamura
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Pimputkar, S., Speck, J., DenBaars, S. et al. Prospects for LED lighting. Nature Photon 3, 180–182 (2009). https://doi.org/10.1038/nphoton.2009.32

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