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Optics Letters

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  • Vol. 36, Iss. 10 — May. 15, 2011
  • pp: 1893–1895

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

Sedat Nizamoglu, Talha Erdem, and Hilmi Volkan Demir  »View Author Affiliations


Optics Letters, Vol. 36, Issue 10, pp. 1893-1895 (2011)
http://dx.doi.org/10.1364/OL.36.001893


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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

OCIS Codes
(230.3670) Optical devices : Light-emitting diodes
(250.5230) Optoelectronics : Photoluminescence
(160.4236) Materials : Nanomaterials

ToC Category:
Materials

History
Original Manuscript: December 2, 2010
Revised Manuscript: February 5, 2011
Manuscript Accepted: February 8, 2011
Published: May 13, 2011

Citation
Sedat Nizamoglu, Talha Erdem, and Hilmi Volkan Demir, "High scotopic/photopic ratio white-light-emitting diodes integrated with semiconductor nanophosphors of colloidal quantum dots," Opt. Lett. 36, 1893-1895 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-10-1893


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