QUANTUM DOTS WITH REDUCED SATURATION QUENCHING

The invention provides a lighting device comprising (a) a light converter comprising a light receiving face; and (b) a solid state light source configured to generate a light source light with a photon flux of at least 10 W/cm2 at the light receiving face, wherein the light converter is configured t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LUNZ, Manuela, KOOLE, Roelof, VELDMAN, Dirk, BAESJOU, Patrick John
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES NANOTECHNOLOGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS SEMICONDUCTOR DEVICES SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention provides a lighting device comprising (a) a light converter comprising a light receiving face; and (b) a solid state light source configured to generate a light source light with a photon flux of at least 10 W/cm2 at the light receiving face, wherein the light converter is configured to convert at least part of the light source light into light converter light having a first frequency, wherein the light converter comprises a semiconductor quantum dot in an optical structure selected from a photonic crystal structure and a plasmonic structure, wherein the optical structure is configured to increase the photon density of states in the light converter resonant with the first frequency for reducing saturation quenching, and wherein the quantum dot has a quantum efficiency of at least 80%.