Phosphor for plasma display panel

Details Phosphor for plasma display panel Phosphor for plasma display panel

1998-01-13

2000-08-01

Day, Michael H.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

H01J 163, H01J 6144

Patent

active

060971460

ABSTRACT:
The present invention provides a phosphor capable of improving color purity and the light emitting efficiency of a plasma display panel (PDP), and provides the plasma display panel (PDP) using this phosphor. The phosphor of the present invention is characterized in that this phosphor is represented by a general formula (Y.sub.1-a-b Gd.sub.a Eu.sub.b).sub.2 O.sub.3 wherein a and b satisfy 0<a.ltoreq.0.90, 0.01.ltoreq.b.ltoreq.0.20. The plasma display panel of the present invention is characterized in that the plasma display panel comprises a light emitting layer 5 including the above phosphor 4.

REFERENCES:
patent: 4085351 (1978-04-01), Takahashi et al.
patent: 5009972 (1991-04-01), Higuchi et al.
patent: 5086297 (1992-02-01), Miyake et al.
patent: 5136207 (1992-08-01), Miyake et al.
patent: 5394055 (1995-02-01), Tono et al.
patent: 5585692 (1996-12-01), Sugimoto et al.

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