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US 2009/0021144 A1Published application
Phosphors and lighting apparatus using the same
AssigneeNational Chiao Tung University
InventorsTeng-Ming Chen, Hsiao-Ping Tai
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Abstract
A phosphor has a chemical formula of: Am(Ba1-xEux)nPyOz, wherein A is at least one of the group consisting of Li, Na and K, while 0<m<10, 0<n<10, 0<y<10, m+n+y=3/4 z, and 0.001<x<0.8.
Claims20
A phosphor having a chemical formula of:
- Am(Ba1-xEux)nPyOz,
- wherein A is at least one of group consisting of Li, Na and K, while 0<m<10, 0<n<10, 0<y<10, m+n+y=3/4 z, and 0.001<x<0.8.
A phosphor having a chemical formula of:
- A(Ba0.99Eu0.01)PO4,
- wherein A is at least one of group consisting of Li, Na and K.
A lighting apparatus comprising:
- a semiconductor light source;
- and
- a phosphor which can be excited by the semiconductor light source and has a chemical formula of:
- Am(Ba1-xEux)nPyOz,
- wherein A is at least one of group consisting of Li, Na and K, while 0<m<10, 0<n<10, 0<y<10, m+n+y=3/4 z, and 0.001<x<0.8.
2 more elements
Dependencies are inferred from the claim text.