Improving the efficiency of white LEDs

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DOI http://dx.doi.org/10.1117/2.1201409.005633
Reference S. Murai, G. Lozano, S.R.K. Rodriguez, J. Gómez Rivas and M.A. Verschuuren, Improving the efficiency of white LEDs, SPIE Newsroom, (2014)

Diffractive arrays of metallic nanoparticles act as nanoantenna-phased arrays that enhance emission from thin phosphor layers in defined directions, and therefore offer new prospects for solid-state lighting.