White-emitting phosphors and lighting apparatus using the same

Details White-emitting phosphors and lighting apparatus using the same White-emitting phosphors and lighting apparatus using the same

2009-04-24

2010-10-05

Monbleau, Davienne (Department: 2893)

Active solid-state devices (e.g., transistors, solid-state diode

Incoherent light emitter structure

C257S081000, C257S082000, C257S091000, C257S098000, C257S099000, C257S040000, C257SE33056, C257SE33059, C257SE25032, C257SE25008, C257SE25009, C438S022000

Reexamination Certificate

active

07808006

ABSTRACT:
A phosphor has a general formula of (M1-m-nCemEun)3Al2O5X2, wherein M is at least one selected from the group consisting of Ca, Sr and Ba; and X is at least one selected from the group consisting of Cl and Br, while 0<m<1 and 0<n<1.

REFERENCES:
patent: 5998925 (1999-12-01), Shimizu et al.
patent: 2005/0247951 (2005-11-01), Lin et al.
patent: 2008/0283857 (2008-11-01), Chen et al.
patent: H10-056208 (1998-02-01), None
Appl. Phys. Lett. 94,vol. 9, pp. 091902 (2009); doi:10.1063/1.3094753 (3 pages) Sr3Al2O5Cl2:Ce3+,Eu2+: A potential tunable yellow-to-white-emitting phosphor for ultraviolet light emitting diodes Yanhua Song, Guang Jia, Mei Yang, Yeju Huang, Hongpeng You, and Hongjie Zhang.
W.Leib and H. Muller-Buschbuem, Sr3Al2O5Cl2, ein Oxohalogenoaluminat mit Ba3Fe2O5Cl2-Struktur, Revue de Chimie minerale, 1986, p. 760-765, 23, Gauthier-Villars, Paris, FR.

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