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Opt Lett. 2011 May 15;36(10):1893-5. doi: 10.1364/OL.36.001893.

High scotopic/photopic ratio white-light-emitting diodes integrated with semiconductor nanophosphors of colloidal quantum dots.

Author information

  • 1Department of Electrical and Electronics Engineering, Department of Physics, and UNAM—Institute of Materials Science and Nanotechnology, Bilkent University, Ankara, Turkey 06800.

Abstract

We propose and demonstrate single-chip white-light-emitting diodes (WLEDs) integrated with semiconductor nanophosphors of colloidal quantum dots for high scotopic/photopic (S/P) ratio. These color conversion WLEDs achieve S/P ratios over 3.00, which exceeds the current limit of 2.50 in common lighting technologies, while sustaining sufficient levels of color rendering index.

© 2011 Optical Society of America

PMID:
21593926
[PubMed - indexed for MEDLINE]
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