Plasma display and method of producing phosphor used therein

Details Plasma display and method of producing phosphor used therein Plasma display and method of producing phosphor used therein

2007-08-28

2007-08-28

Patel, Nimeshkumar D. (Department: 2879)

Coating processes

Fluorescent or phosphorescent coating

C427S064000, C252S301360, C252S30140R, C313S582000, C313S486000

Reexamination Certificate

active

10536362

ABSTRACT:
The present invention relates to a plasma display device and to a method of producing a phosphor to be used for the device, that prevents the phosphor layer from deteriorating, and improves the luminance, life, and reliability, of the PDP. The plasma display device is equipped with a plasma display panel in which a plurality of discharge cells are arranged, phosphor layers (110R,110G,110B) in color corresponding to each discharge cell are allocated, and phosphor layers (110R,110G,110B) are excited by ultraviolet light to emit light. Green phosphor layer (110G) has a green phosphor including Zn2SiO4:Mn, the element ratio of zinc (Zn) to silicon (Si) is 2/1 to 2.09/1 at least at the proximity of the surface, and the layer is positively charged or zero-charged.

REFERENCES:
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Phosphor Handbook, pp. 219-220, published from Ohm Co., Ltd.

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