Merck Patent Gmbh

Litec-vermogensverwaltungsgesellschaft Mbh

Aleksander Zych

Ralf Petry

Ingo Koehler

Stefan Tews

Andreas Benker

Mathias Rapphahn

Christof Hampel

Thomas Juestel

Holger Winkler

Irene (Yu Huan) Liu

The present invention relates to novel phosphor mixtures and to a light-emitting device which comprises at least one of the novel phosphor mixtures. The phosphor mixtures can be used in phosphor-converted LEDs with a semiconductor that emits in the violet spectral region. The present invention furthermore relates to a lighting system which may comprise the light-emitting devices according to the invention, and to a dynamic lighting system. The present invention furthermore relates to a process for the preparation of the phosphor mixtures according to the invention and to the use thereof in light-emitting devices for use in general lighting and/or in specialty lighting.

Luminophore mixtures for use in dynamic lighting systems

The present invention relates to alkaline earth aluminate phosphors, 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 to lighting units which comprise a primary light source and the emission-converting material according to the invention.

Phosphors and phosphor-converted LEDs

The invention relates to pyrosilicate phosphors comprising a coating of aluminum oxide, to a process for the preparation of these compounds, and to the use thereof as conversion phosphors or in lamps.

Silicate phosphors

The present invention relates to pyrosilicate phosphors, 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 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 to lighting units which comprise a primary light source and the emission-converting material according to the invention.

The invention relates to Eu-activated phosphors, to a process of its preparation, the use of these phosphors in electronic and electro optical devices, such as light emitting diodes (LEDs) and solar cells and especially to illumination units comprising said magnesium alumosilicate-based phosphors.

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Darmstadt, Germany

Aleksander Zych