Device for providing electromagnetic radiation

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United States of America Patent

PATENT NO 9903541
SERIAL NO

14418088

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Abstract

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Various embodiments may relate to a device for providing electromagnetic radiation, including a radiation assembly for generating excitation radiation, and at least one conversion element for generating conversion radiation, which has at least one first phosphor and which is arranged at a distance to the radiation assembly in a beam path of the excitation radiation. As the first phosphor, a nitridosilicate of the type M2Si5N8:D is used, wherein D= activator and wherein M is selected from the group barium, strontium, calcium alone or in combination, wherein the mean grain size d50 of the phosphor is at least 10 μm.

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Patent Owner(s)

  • OSRAM GMBH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bichler, Daniel Munich, DE 30 224
Fiedler, Tim Munich, DE 45 564

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