Field emission cathode structure and field emission display using the same
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United States of America Patent
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Aug 2, 2011
Grant Date -
Mar 31, 2011
app pub date -
Jan 28, 2010
filing date -
Sep 30, 2009
priority date (Note) -
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Abstract
A field emission cathode structure includes a dielectric layer, a field emission unit, a grid electrode, and a conductive layer. The dielectric layer is positioned on the insulating substrate and defines a cavity. A field emission unit is attached on the cathode electrode and received in the cavity of the dielectric layer. The field emission unit is electrically attached to the cathode electrode. The grid electrode is located on the dielectric layer, and electrons emitted from the field emission unit emit through the grid electrode. The conductive layer is electrically attached to the grid electrode and insulated from the field emission unit. A field emission display device using the above-mentioned field emission cathode structure is also provided.
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