Phosphor with hybrid coating and method of production

The invention provides a method for providing luminescent particles (100) with a hybrid coating, the method comprising (i) providing a first coating layer (110) onto the luminescent particles (100) by application of a sol-gel coating process, thereby providing coated luminescent particles; and (ii)...

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Bibliographische Detailangaben
Hauptverfasser:	Schreinemacher, Baby Seriyati, Schmidt, Peter Josef, Tücks, Andreas
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES BASIC ELECTRIC ELEMENTS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL DYES ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES SEMICONDUCTOR DEVICES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	The invention provides a method for providing luminescent particles (100) with a hybrid coating, the method comprising (i) providing a first coating layer (110) onto the luminescent particles (100) by application of a sol-gel coating process, thereby providing coated luminescent particles; and (ii) providing a second coating layer (120) onto the coated luminescent particles by application of an atomic layer deposition process. The invention also provides luminescent particles (100) comprise a luminescent core (102), a first coating layer (110) having a first coating layer thickness (d1) in the range of 50-300 nm, and a second coating layer (120) having a second coating layer thickness (d2) in the range of 5-250 nm.