Sialon phosphor

Details Sialon phosphor Sialon phosphor

2009-09-17

2011-11-15

Koslow, Carol M (Department: 1734)

Compositions

Inorganic luminescent compositions

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

C313S503000, C313S486000, C257S098000

Reexamination Certificate

active

08057705

ABSTRACT:
A SiAlON phosphor represented by a general formula (1)in-line-formulae description="In-line Formulae" end="lead"?Lup(Si, Al)12(O, N)16:Euq  (1)in-line-formulae description="In-line Formulae" end="tail"?wherein at least a main phase has an alpha SiAlON crystal structure; and 0.25≦p≦0.65.

REFERENCES:
patent: 7825580 (2010-11-01), Hirosaki et al.
patent: 2006/0061263 (2006-03-01), Sakuma et al.
patent: 2002-363554 (2002-12-01), None
patent: 2003-124527 (2003-04-01), None
patent: 2006-52337 (2006-02-01), None
patent: 2006-152069 (2006-06-01), None
patent: 2006-232868 (2006-09-01), None
patent: 2006/006582 (2006-01-01), None
patent: 2006/025261 (2006-03-01), None
patent: WO 2007/004492 (2007-01-01), None
R-J. Xie et al. “Eu2+-doped Ca-α-SiAlON: A yellow phosphor for white light-emitting diodes”, Applied Physics Letters, vol. 84, No. 26, pp. 5404-5406 (2004).

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