Merck Patent Gmbh

Arturas Katelnikovas

Thomas Juestel

Holger Winkler

Ralf Petry

Tim Vosgroene

Clemens Kuehn

Dominik Uhlich

Danuta Dutczak

Olga Darcanova

Tobias Dierkes

Florian Baur

Peter Barnekow

The present invention relates to europium-doped phosphors, to a process for the preparation thereof, and to the use of these compounds as conversion phosphors. The present invention furthermore relates to light-emitting devices which comprise the phosphor according to the invention.

Phosphors

The present invention relates to Eu&#x2014;, Sm&#x2014; or Pr-doped silicate compounds, to a process for the preparation thereof and to the use thereof as conversion phosphors. The present invention also relates to an emission-converting material comprising at least the conversion phosphor according to the invention and to the use thereof in light sources, in particular pc-LEDs (phosphor converted light emitting devices). The present invention furthermore relates to light sources, in particular pc-LEDs, and lighting units which contain a primary light source and the emission-converting material according to the invention.

Silicate phosphors

The invention relates to compounds of the formula (I) (Ca,Sr,Ba)(SiMe)(OMa)N:Eu(I), where Me=Th, Ru and/or Os Ma=F and/or Cl, x&#x3c;0.5, y&#x3c;1 and z&#x3c;0.1, and to a process for the preparation of these compounds and use as phosphors and conversion phosphors for the conversion of the blue or near-UV emission from an LED.

Co-doped silicooxynitrides

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Steinfurt, Germany

Arturas Katelnikovas