Patent ID: 8835965

Claim:
A quantum well-based p-i-n light emitting diode comprising: a substrate; a first ohmic contact layer directly or indirectly layered on said substrate; a first electrode in electrical communication with said first ohmic contact; an n-type or p-type layer on said ohmic contact layer; a plurality of nanopillars that have a mean nanopillar average linear dimension of between 50 nanometers and 1 micron and each of said plurality of nanopillars having a height, each of said plurality of nanopillars defined by a sidewall, at least one laminar semiconductor quantum well having a quantum well band gap existing along the height intermediate between an said n-type or p-type layer and an oppositely doped layer to said n-type or p-type layer; a plurality of non-homogeneous core-shell quantum dot semiconductor nanoparticles contacting the sidewall proximal to the at least one laminar semiconductor quantum well, said non-homogeneous core-shell plurality of quantum dot semiconductor nanoparticles having band gaps that are less than or equal to the quantum well bandgap and vary in size and a relative thickness of core-shell layers; a second ohmic contact layer directly or indirectly in electrical contact with said oppositely doped layer; and a second electrode in electrical communication with said second ohmic contact and forming an electrical circuit with said first electrode.