4 March 2013 Quantum dot LED phosphors: performance and reliability improvements
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Abstract
Quantum dots (QDs) are rare-earth free downconverters which have been demonstrated as ideal phosphor replacement materials from an optical perspective, with the potential to enable a 30% or larger improvement in LED efficiency as compared to today’s rare-earth phosphors at the same quality of light (higher CRI implementations see larger improvements). However to date QDs have demonstrated less than ideal reliability under standard LED chip conditions, prohibiting cost-effective integration into conventional luminaire formats. This talk will discuss the present status and future prospects of QDs as LED downconverters, including recent advances in connecting quantum dot structure to high temperature and high intensity performance, an updated look at QD reliability, and the limits of QDs in a variety of phosphor configurations.
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Juanita Kurtin, "Quantum dot LED phosphors: performance and reliability improvements", Proc. SPIE 8641, Light-Emitting Diodes: Materials, Devices, and Applications for Solid State Lighting XVII, 86411D (4 March 2013); doi: 10.1117/12.2005446; https://doi.org/10.1117/12.2005446
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