RARE-EARTH DOPED PHOSPHOR BASED ON ALKALI-EARTH ELEMENT AND SILICON NITRIDE, METHOD FOR PRODUCTION THEREOF AND RADIATION CONVERTING DEVICE CONTAINING SAID PHOSPHOR Russian patent published in 2012 - IPC C09K11/55 C09K11/65 C09K11/78 C09K11/79 F21K2/00 

Abstract RU 2470980 C2

FIELD: physics.

SUBSTANCE: compounds, each containing at least one element from a group comprising rare-earth elements, alkali-earth elements, silicon and nitrogen, react at high temperature, where a small amount of oxygen is intentionally or unintentionally added. The obtained phosphor has general formula AE2Si5N8-2xCxOx:RE, where AE is an alkali-earth element, RE is a rare-earth element and x is less than 1.

EFFECT: phosphor has stable optical properties, longevity and high efficiency.

9 cl, 3 dwg, 3 ex

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RU 2 470 980 C2

Authors

Duan Cheng-Dzhun

Khinttsen Khubertus Terezija

Resler Zil'Ke

Shtarik Detlef

Resler Sven

Delsing Anna Sharlotta Anuanetta

Dates

2012-12-27Published

2008-10-14Filed