Merck Patent Gmbh

Litec-vermogensverwaltungsgesellschaft Mbh

Ralf Petry

Holger Winkler

Tim Vosgroene

Thomas Juestel

Andreas Benker

Ingo Koehler

Aleksander Zych

Christof Hampel

Stefan Tews

Reinhold Rueger

Mathias Rapphahn

Dominik Uhlich

Sabine Schoen

Gerhard Pfaff

Walter Tews

Stephanie Andes

Klaus Ambrosius

Clemens Kuehn

Sylke Klein

Monika Kursawe

Michael Weiden

Arturas Katelnikovas

Andrea Opolka

Arturas Kastelnikovas

Thomas Jansen

Matthias Mueller

Joseph A Spencer

Katharina Sievert

Adeliene Schmitt

Thomas Jüstel

Michael Roesler

Irene (Yu Huan) Liu

Thomas Vosgroene

Danuta Dutczak

Martina Hueber

Florian Baur

Klaus-Christian Ullmann

Olaf Soeth

Peter Barnekow

Claudia Suessemilch

Ingo KÖHLER

David King

Kassandra Sullivan-Trujillo

Monica Davis

The present invention relates to a laser additive comprising core/shell particles, to a process for the preparation of a laser additive of this type, and to the use thereof, in particular as laser absorber in plastics and plastic-containing coatings of articles.

Laser additive

The present invention relates to Mn-activated luminescent materials, to a process for preparation thereof and to the use thereof as luminophores or conversion luminophores in light sources. The present invention further relates to a radiation-converting mixture comprising the luminescent material of the invention and a light source comprising the luminescent material of the invention or the radiation-converting mixture. The present invention further provides light sources, especially LEDs, and lighting units comprising a primary light source and the luminescent material of the invention or the radiation-converting mixture. The Mn-activated luminescent materials of the invention are especially suitable for creation of warm white light in LEDs.

Mn-activated oxidohalides as conversion luminescent materials for LED-based solid state light sources

The present invention relates to effect pigments which are based on flake-form substrates having a circular form factor of 1.2-2 and are coated with at least one high-refractive-index layer, and to the use thereof, inter alia in paints, coatings, printing inks, plastics and in cosmetic formulations.

Effect pigments

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 present invention relates to silicate 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

The invention relates to Eu-activated phosphors, to a process for the preparation of these compounds, and to phosphor mixtures, light sources and lighting units which comprise the Eu-activated phosphors according to the invention.

Eu-activated luminophores

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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The present invention relates to a process for the preparation of a europium-doped alkaline-earth metal siliconitride or silicooxynitride having increased emission efficiency. The present invention furthermore relates to europium-doped alkaline-earth metal siliconitrides or silicooxynitrides which are obtainable by the preparation process according to the invention, and to the use of the europium-doped alkaline-earth metal siliconitrides or silicooxynitrides according to the invention as conversion phosphors. The present invention furthermore also relates to a light-emitting device which comprises a europium-doped alkaline-earth metal siliconitride or silicooxynitride according to the invention.

Process for production of phosphors

The invention relates to novel phosphor mixtures comprising three or more silicate phosphors. The invention furthermore relates to the use of these mixtures in electronic and electro-optical devices, in particular in light-emitting diodes (LEDs) for backlighting applications. The invention furthermore relates to LEDs comprising the phosphors.

Phosphor mixtures comprising europium-doped ortho-silicates

The invention relates to surface-modified phosphor particles based on luminescent particles of (Ca,Sr,Ba)SiOand/or other silicates, in each case individually or mixtures thereof with one or more activator ions, such as Eu, Mn, Ce and/or Mg and/or Zn, where at least one metal, transition-metal or semimetal oxide coating and an organic coating are applied to the luminescent particles, and to a preparation process.

Surface-modified phosphors

The invention relates to a casting composition based on a transparent epoxy or silicone resin (), in particular for uses in an electroluminescent component (), which preferably emits white light. The casting composition serves as diffusion barrier for moisture or water molecules through the use of glass and/or silica particles ().

Casting composition as diffusion barrier for water molecules

The invention relates to carbodiimide compounds of the general formula (I) EASi(CN)O:Euwhere EA stands for one or more elements selected from Mg, Ca, Sr, Ba or Zn and x stands for a value from the range from 0 to 3.9 and Y stands for a value from the range from 0.01 to 0.4, and a process for the preparation of these phosphors and the use thereof as conversion phosphors or in lamps.

Carbodiimide phosphors

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Griesheim, Germany

Ralf Petry