Plasma display device and method of preparing phosphor

Details Plasma display device and method of preparing phosphor Plasma display device and method of preparing phosphor

2004-02-18

2009-02-03

Guharay, Karabi (Department: 2889)

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

C313S582000, C252S30140R

Reexamination Certificate

active

07486010

ABSTRACT:
In a phosphor whose host crystal is constituted of an oxide, a method of preparing the phosphor where the oxygen deficiencies in the phosphor are not many, and a plasma display device using the same are provided. After processes of weighing, mixing and filling powders of the phosphor, a process for firing in a reducing atmosphere and a process for firing in an oxidizing atmosphere after the last reducing atmosphere process are provided. In addition, a firing temperature in the oxidizing atmosphere process is not less than 600° C. and not more than 1000° C.

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“Phosphor Handbook” edited by Society of Phosphor, p. 170. (with partial English translation).

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