Native green LEDs from GaN-on-silicon

Plymouth-based Plessey has revealed green-emitting micro-LEDs made on a planar gallium nitride on silicon (GaN-on-Si), whose light is not made by phosphor conversion. “To produce green light, LED manufacturers typically apply phosphors or quantum dot conversion materials to native blue LEDs. These materials then convert short wavelength, typically 450nm blue, to red or green wavelengths ...

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