Method of driving a field emission cold cathode device and a fie

Details Method of driving a field emission cold cathode device and a fie Method of driving a field emission cold cathode device and a fie

1998-01-28

2000-03-21

Gaffin, Jeffrey

Electricity: electrical systems and devices

Electric charge generating or conducting means

With specific power supply

3151619, G09G 310

Patent

active

060409738

ABSTRACT:
A field emission cold cathode device is driven to make an emission current constant without limiting the available choice of materials for a gate electrode. A positive voltage with reference to OV is applied from a gate power supply to gate electrode of the field emission cold cathode device to enable emitter disposed respectively near the gate electrode to emit electrons. After the positive voltage with reference to OV is applied, a negative voltage with reference to OV is applied from the gate power supply to the gate electrode at a predetermined time.

REFERENCES:
patent: 4090106 (1978-05-01), Okumura et al.
patent: 4596945 (1986-06-01), Schumacher
patent: 5012153 (1991-04-01), Atkinson
patent: 5189341 (1993-02-01), Itoh et al.
patent: 5280221 (1994-01-01), Okamoto et al.
patent: 5700175 (1997-12-01), Wang et al.
patent: 5719477 (1998-02-01), Tomihari
patent: 5721472 (1998-02-01), Browning et al.

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