Compositions comprising a mixture of a BAM phosphor and at...

Details Compositions comprising a mixture of a BAM phosphor and at... Compositions comprising a mixture of a BAM phosphor and at...

2007-07-10

2010-06-15

Koslow, C. Melissa (Department: 1793)

Compositions

Inorganic luminescent compositions

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

Reexamination Certificate

active

07736536

ABSTRACT:
Disclosed herein are phosphor compositions comprising a BAM phosphor BaMgAl10O17:Eu2+and at least one other hexaaluminate that may also be europium activated. The BAM may be mixed with any number of different kinds of heaxaaluminates having a similar crystal structure. The aluminum ratio may also be adjusted to alter the defect structure or to produce a second phase. Addition of another hexaaluminate to BAM enhances emission intensity and resistance to degradation, which is beneficial to applications such as plasma display panels.

REFERENCES:
patent: 5838101 (1998-11-01), Pappalardo
patent: 6740262 (2004-05-01), Oshio
patent: 2005/0179009 (2005-08-01), Kim et al.
patent: 2006/0238101 (2006-10-01), Choi et al.
patent: 2002-173677 (2002-06-01), None
patent: WO2005/061658 (2005-07-01), None
Wang, Qian-Ming, et al., “Hydrothermal Mild Synthesis of Microrod Crystalline YxGd2-x(MoO4)3:Eu3+Phosphors Derived From Facile Co-Precipitation Precursors,” Materials Chemistry and Physics 94 (2005) pp. 241-244.

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