C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 11/02 (2006.01)
Patent
CA 2558663
Composite materials in which optically transparent solid solution inorganic nanoparticles are dispersed in a host matrix inert thereto, wherein the nanoparticles are doped with one or more active ions at a level up to about 60 mole% and consist of particles having a dispersed particle size between about 1 and about 100 nm, and the composite material with the nanoparticles dispersed therein is optically transparent to wavelengths at which excitation, fluorescence or luminescence of the active ions occur. Luminescent devices incorporating the composite materials are also disclosed.
La présente invention concerne des matériaux composites dans lesquels sont dispersées des nanoparticules inorganiques solides en solution optiquement transparentes dans une matrice hôte inerte. Les nanoparticules sont dopées avec un ou plusieurs ions actifs à un niveau supérieur à environ 60% molaires et elles présentent une granulométrie comprise entre environ 1 et environ 100 nm. Le matériau composite décrit dans cette invention est optiquement transparent aux longueurs d'ondes permettant l'excitation, la fluorescence ou la luminance des ions actifs. Cette invention concerne également des dispositifs luminescents comprenant de tels matériaux composites.
Ballato John
Riman Richard E.
Oyen Wiggs Green & Mutala Llp
Rutgers The State University
LandOfFree
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