Design for a field emission display with cathode and focus electrodes on a same level
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United States of America Patent
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Jun 9, 2009
Grant Date -
May 26, 2005
app pub date -
Nov 24, 2004
filing date -
Nov 25, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A novel field emission display (FED) and a novel method for making the same. The FED includes a substrate, a cathode electrode and a focus electrode formed on the same level with each other on the substrate, an insulation layer formed on the cathode electrode and the focus electrode such that the cathode electrode and the focus electrode are partially exposed through the insulation layer, a field emitter formed at the cathode electrode exposed by the insulation layer, and a gate electrode formed on the insulation layer. The field emitter being formed on the same layer and of the same material and at the same time as the cathode electrode.
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