Illumination system comprising a green-emitting ceramic...

Details Illumination system comprising a green-emitting ceramic... Illumination system comprising a green-emitting ceramic...

2011-03-08

2011-03-08

Koslow, C. Melissa (Department: 1734)

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

C252S30160F, C313S503000, C257S098000

Reexamination Certificate

active

07901592

ABSTRACT:
An Illumination system comprising a radiation source and a monolithic ceramic luminescence converter comprising at least one phosphor capable of absorbing a part of the light emitted by the radiation source and emitting light of a wavelength different from that of the absorbed light, wherein said at least one phosphor is an europium(II)-activated oxonitridosilicate of the general formula (Sr1-a-b-c-d-e-fCabBacMgdZneCef)Six-gGegNyOz:Eua, wherein 0.001<a<0.2, 0.0<b<1.0, 0.0<c<0.5, 0.0 <d<0.25, 0.0<e<0.25, 0.0<f<0.2, 0.0<g<1.0, 1.5<x<2.5, 1.5<y<2.5 and 1.5<z<2.5.

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patent: 2005030905 (2005-04-01), None

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