US 6,180,029 Β· Granted 2001-01-30

Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same

Phosphor powders and a method for making phosphor powders. The powders are oxygen-containing, such as metal oxides, silicates, borates or titanates and have a small particle size, narrow particle size distribution and are substantially spherical. The method of the invention advantageously permits the continuous production of such powders. The invention also relates to improved devices, such as display devices, incorporating the phosphor powders.

Patent details

Publication number
US 6,180,029
Filing date
1998-02-24
Grant date
2001-01-30
Assignee
Superior Micropowders Llc
Inventor(s)
HAMPDEN-SMITH MARK J., KODAS TOIVO T., CARUSO JAMES, SKAMSER DANIEL J., POWELL QUINT H.
CPC class
H01G4/0085

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