Lumileds LLC

Stefan Willi Julius Gruhlke

Patrick John Baesjou

Roelof Koole

Johannes Franciscus Maria Cillessen

The invention provides a luminescent material () based on quantum dots (), wherein the quantum dots () have inorganic capping agents (), wherein the luminescent material () comprises particles () having an inorganic salt matrix () hosting the quantum dots () with inorganic capping agents (), wherein the luminescent quantum dots () have an outer layer (). The invention also provides a method for the production of such luminescent material (). The new luminescent material can be used and processed as conventional particulate luminescent material.

Quantum dots with inorganic ligands in an inorganic matrix

The invention provides a luminescent material () comprising quantum dots (), wherein the luminescent material () further comprises a capping agent () coordinating to the quantum dots (), wherein the capping agent comprises MO(OH), wherein M is selected from the group consisting of B, Al, P, S, V, Zn, Ga, Ge, As, Se, Nb, Mo, Cd, In, Sn, Sb, Te, Ta and W, wherein x&#x2265;1, y+z&#x2265;1, and wherein n indicates a positive or negative charge of the capping agent.

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Baesweiler, Netherlands

Stefan Willi Julius Gruhlke