Electric lamp and discharge devices: systems – Plural power supplies – Plural cathode and/or anode load device
Patent
1999-10-28
2000-11-28
Philogene, Haissa
Electric lamp and discharge devices: systems
Plural power supplies
Plural cathode and/or anode load device
3151691, 345 74, G09G 310
Patent
active
061539783
ABSTRACT:
In a field emission cold cathode device including one emitter, a supporting region formed of a conductor or a semiconductor for supporting the emitter, and a gate electrode provided in the proximity of the emitter, electrons are supplied to the emitter from a capacitance formed by a pair of electrodes separated from each other, one of the pair of electrodes being DC connected to the emitter. The emitted electron amount can be controlled by controlling a voltage applied to the other of the pair of electrodes. Thus, it is possible to minimize the variation in the emission current caused by variation in the emitter devices, which was unavoidable in the prior art.
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NEC Corporation
Philogene Haissa
Vo Tuyet T.
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