Invention Grant
- Patent Title: Alpha-sialon phosphor
- Patent Title (中): α-赛隆荧光粉
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Application No.: US13058196Application Date: 2009-07-20
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Publication No.: US08350463B2Publication Date: 2013-01-08
- Inventor: Bianca Pohl , Frank Jermann
- Applicant: Bianca Pohl , Frank Jermann
- Applicant Address: DE Munich
- Assignee: OSRAM Gesellschaft mit beschraenkter Haftung
- Current Assignee: OSRAM Gesellschaft mit beschraenkter Haftung
- Current Assignee Address: DE Munich
- Priority: DE102008038249 20080818
- International Application: PCT/EP2009/059309 WO 20090720
- International Announcement: WO2010/020495 WO 20100225
- Main IPC: H01J1/62
- IPC: H01J1/62 ; H01J63/04 ; C09K11/08
Abstract:
A phosphor of the alpha-sialon type is provided, wherein the general empirical formula is M1p/2Si12−p−qAlp+qOqN16−q:D; where M1 is one or more elements from the group Li, Mg, Ca, Y and the lanthanoids with the exception of Ce and La; D is a co-doping consisting of M2 and Mn, where M2=one or more elements from the group Ce, Pr, Eu, Tb, Yb and Er; in this situation q=0 to 2.5 and p=0.5 to 4 is chosen.
Public/Granted literature
- US20110149550A1 Alpha-sialon phosphor Public/Granted day:2011-06-23
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