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Enhancing the efficiency of white LEDs via reflection

LEDs have become increasingly important in recent years because of the advantages they have over traditional lighting methods (e.g., faster response times, smaller size, longer lifetimes, and higher luminous efficiency).1–4 To date, a number of approaches have been taken with the aim of enhancing the luminous efficiency of these devices. Such methods include the use of patterned substrates, patterned polydimethylsiloxane, air voids, and the incorporation of scattering particles as dopants

1 comment:

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