High scotopic/photopic ratio white-light-emitting diodes integrated with semiconductor nanophosphors of colloidal quantum dots
Date
2011
Editor(s)
Advisor
Supervisor
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Co-Supervisor
Instructor
Source Title
Optics Express
Print ISSN
1094-4087
Electronic ISSN
Publisher
Optical Society of America
Volume
36
Issue
10
Pages
1893 - 1895
Language
English
Type
Journal Title
Journal ISSN
Volume Title
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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. (C) 2011 Optical Society of America