Invention Grant
- Patent Title: Highly efficient stable oxynitride phosphor
- Patent Title (中): 高效稳定氮氧化物荧光粉
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Application No.: US11256567Application Date: 2005-10-21
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Publication No.: US07649309B2Publication Date: 2010-01-19
- Inventor: Tim Fiedler , Frank Jermann
- Applicant: Tim Fiedler , Frank Jermann
- Applicant Address: DE Munich
- Assignee: Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH
- Current Assignee: Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH
- Current Assignee Address: DE Munich
- Agency: Cohen Pontani Lieberman & Pavane LLP
- Priority: DE102004051395 20041021
- Main IPC: H01J1/62
- IPC: H01J1/62 ; H01J63/04
Abstract:
Phosphor from the class of the oxynitridosilicates, having a cation M which is doped with divalent europium, and having the empirical formula MSi2O2N2, where M=Sr1-x-yCayEux where 0.3≦x+y≦0.725, with a Ca/Eu ratio of >1, the oxynitridosilicate having an emission with a dominant wavelength in the range from 555 to 568 nm.
Public/Granted literature
- US20060103297A1 Highly efficient stable oxynitride phosphor Public/Granted day:2006-05-18
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