Light emitting device comprising a multiphase ceramic material

Light emitting device comprising a multiphase ceramic material

The invention relates to a light emitting device comprising a light source, especially a LED, and a luminescent material, which is a ceramic multiphase material essentially of the composition M2−zCezSi5−x−y−(z−z1)Ay+(z−z1)N8−4x−y+z1O4x+y−z1. This material has been found to have a composition of at l...

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Hauptverfasser: SCHMIDT PETER J, SCHREINEMACHER BABY-SERIYATI, TUECKS ANDREAS
Format: Patent
Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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creator SCHMIDT PETER J
SCHREINEMACHER BABY-SERIYATI
TUECKS ANDREAS
description The invention relates to a light emitting device comprising a light source, especially a LED, and a luminescent material, which is a ceramic multiphase material essentially of the composition M2−zCezSi5−x−y−(z−z1)Ay+(z−z1)N8−4x−y+z1O4x+y−z1. This material has been found to have a composition of at least two phases, which leads to a better producibility as well as photostability and conversion efficiency.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
title Light emitting device comprising a multiphase ceramic material
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