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The Quest for White LEDs Hits the Home Stretch

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Science  14 Aug 2009:
Vol. 325, Issue 5942, pp. 809
DOI: 10.1126/science.325_809

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Summary

White light–emitting diodes have already cracked several niche lighting markets, such as flashlights and bike lights. But they're still not ready to go head to head with cheaper incandescent bulbs and fluorescents that dominate the nearly $100 billion global lighting market. A new spate of advances, however, suggests that the whitecoats are coming.