Nizamoglu, S.Erdem, T.Demir, Hilmi Volkan2015-07-282015-07-2820111094-4087http://hdl.handle.net/11693/13363We 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. (C) 2011 Optical Society of AmericaEnglishNanocrystalsPerformanceBrightLampsHigh scotopic/photopic ratio white-light-emitting diodes integrated with semiconductor nanophosphors of colloidal quantum dotsArticle10.1364/OL.36.001893