Phosphor, its manufacturing method and plasma display panel

Details Phosphor, its manufacturing method and plasma display panel Phosphor, its manufacturing method and plasma display panel

1998-01-15

2000-08-08

Koslow, C. Melissa

Compositions

Inorganic luminescent compositions

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

2523016F, 313582, 313584, 427215, 427180, 427184, 428403, 428404, C09K 1102, H01J 1700

Patent

active

060997532

ABSTRACT:
An object of the present invention is to provide a phosphor capable of improving the light emitting efficiency of a plasma display panel and restraining the deterioration of luminance and a change in chromaticity with the passage of time, and also provide a manufacturing method of this phosphor and the plasma display panel using this phosphor. To achieve this object, the surfaces of phosphor particles for a plasma display panel are covered with a metallic oxide generated by the hydrolysis of a metallic alkoxide. A manufacturing method of the phosphor particles for the plasma display panel is characterized in that the metallic alkoxide is attached to the phosphor particle surfaces and is burned. In this manufacturing method, the phosphor particle surfaces are covered with a close film of the metallic oxide. The plasma display panel uses the phosphor particles having surfaces covered with the metallic oxide.

REFERENCES:
patent: 5126204 (1992-06-01), Tono et al.
patent: 5196229 (1993-03-01), Chau
patent: 5244750 (1993-09-01), Reilly et al.
patent: 5604396 (1997-02-01), Watanabe et al.
patent: 5908698 (1999-06-01), Budd
Chemical abstract citation for JP 52-22579, Feb. 19, 1977.

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