Plasma display panel design that compensates for differing surface potential of colored fluorescent material
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United States of America Patent
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Sep 2, 2008
Grant Date -
Jan 12, 2006
app pub date -
Jun 3, 2005
filing date -
Jul 7, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A plasma display panel capable of preventing faulty discharge and non-uniform discharge by applying a uniform address voltage to all subpixels. This is done by neutralizing the negative surface potential of a zinc silicate green fluorescent material using YBO.sub.3:Tb as a positive surface potential material on the partition walls between the electrodes. Also, the thickness of this YBO.sub.3:Tb material and a lateral spacing between a scan electrode and the positive surface potential material are carefully selected to arrive at a design resulting in no faulty pixels. Grooves can also be formed in the tops of the partition walls so that the positive surface potential material filled therein does not mix with the neighboring flourescent material.
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