Lithium doped terbium activated gadolinium oxysulfide phosphor

Details Lithium doped terbium activated gadolinium oxysulfide phosphor Lithium doped terbium activated gadolinium oxysulfide phosphor

1997-09-23

1998-07-21

Bonner, Melissa

Compositions

Inorganic luminescent compositions

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

2523014R, C09K 1184

Patent

active

057831068

ABSTRACT:
The brightness of small size terbium activated gadolinium oxysulfide (Gd.sub.2-x Tb.sub.x O.sub.2 S) phosphor is increased by the incorporation of a lithium dopant. The lithium dopant is added to the phosphor by mixing lithium phosphate with the raw materials formulated to make the phosphor.

REFERENCES:
patent: 3856698 (1974-12-01), Nath
patent: 5387836 (1995-02-01), Adachi et al.

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