LEDs (IMAGE)

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS

LEDs

Caption

Schematic representation (not to scale) at the center depicts an LED with a 'meta-grid' of plasmonic (e.g. noble metallic) nanoparticles, which are much smaller than the wavelength of emitted light. Placing a specifically designed 'meta-grid', with optimized size, shape, and interparticle separation, at an appropriate height from the LED-chip/encapsulant interface inside the epoxy casing of the LED chip, enables producing greater light output besides increasing device lifetime. The icons on the periphery present different possible application scenarios, to name a few, of the LEDs boosted by the invented nanoparticle 'meta-grid' design

Credit

by Debabrata Sikdar, John B. Pendry, and Alexei A. Kornyshev

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