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US 2014/0178569 A1Published application
Method for making rare earth oxide coated phosphor
AssigneeGeneral Electric Company
InventorsPRASANTH KUMAR NAMMALWAR, ALOK MANI SRIVASTAVA, SWARNAGOWRI ADDEPALLI, DIGAMBER GURUDAS POROB, WILLIAM ERWIN COHEN, William Winder BEERS
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Abstract
A method for making coated zinc silicate phosphor, the method includes the steps of combining a zinc silicate with a rare earth compound under aqueous conditions and removing the water from a product of the combination to form a powder. The powder is fired to form a coated zinc silicate phosphor.
Claims21
A method for making coated zinc silicate phosphor, comprising the steps of:
- (a) combining a zinc silicate with a rare earth compound under aqueous conditions;
- (b) removing water from a product of the combination to form a powder, and
- (c) firing the powder to form a coated zinc silicate phosphor.
A method, comprising the steps of:
- (a) combining zinc silicate with an yttrium acetate solution to form a mixture;
- (b) drying the mixture to form a powder, and
- (c) firing the powder to form an yttria-coated zinc silicate phosphor.
A method, comprising the steps of:
- (a) dispersing yttria in water to form a slurry;
- (b) combining the slurry with zinc silicate to form a mixture;
- (c) drying the mixture to form a powder, and
- (d) firing the powder to yield an yttria-coated zinc silicate phosphor.
1 more element
Dependencies are inferred from the claim text.