Field emission display device with protection structure
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United States of America Patent
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Issued Date -
Jun 1, 2006
app pub date -
Dec 1, 2004
filing date -
Dec 1, 2004
priority date (Note) -
Abandoned
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Abstract
A novel protection structure for protecting field emission elements in a field emission display device from burnout damage due to electrical current surges induced to the device cathode by ionized gases in the device. The protection structure includes one or multiple reduction plates or electrodes which are typically provided on the cathode. The reduction plate or plates are negatively-charged and attract positively charged gas ions. Consequently, induction of electrical current surges to the cathode is avoided, thereby preventing burnout damage to the field emission elements.
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