Field effect electron emitting apparatus
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United States of America Patent
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Apr 17, 2012
Grant Date -
Sep 10, 2009
app pub date -
Nov 19, 2008
filing date -
Mar 5, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A field effect electron emitting apparatus comprising a substrate, a plurality of wires embedded in the substrate, at least a portion of each wire being exposed from the substrate and extending generally perpendicularly therefrom and including magnetic material, wherein the average wire spacing is less than 30 μm, the average spacing height ratio is between 1 and 3 and the average wire aspect ratio is greater than 3. Also a method of manufacturing an electron emitting apparatus, a field effect display having such a field effect electron emitting apparatus, an illumination apparatus having such a field effect electron emitting apparatus, and a backlight apparatus for a liquid crystal display having such a field effect electron emitting apparatus.
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