Thin-film cold cathode structure and device using the same

Details Thin-film cold cathode structure and device using the same Thin-film cold cathode structure and device using the same

1991-11-20

1994-01-18

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

3151693, 313306, 313346R, 313506, H01J 102

Patent

active

052802213

ABSTRACT:
A cold cathode device includes a first electrode formed on a substrate, an insulating film formed on the first electrode, a thin film formed on the insulating film and for generating hot electrons, a second electrode formed on the thin film. Electrons are injected from the second electrode at a first half cycle of each cycle of an a.c. voltage. The injected electrons form a space charge layer between the insulating film and the thin film. At a second half cycle of each cycle, the hot electrons are generated from the electrons stored in the space charge layer inside of the thin film, and emitted from the second electrode.

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Adrian Kitai et al., Thin Film ZnS Cold-Cathode Emitter, SID 91 Digest, pp. 440-443.
Japanese Journal of Applied Physics, vol. 30, No. 7B, Jul. 15, 1991: S. Okamoto et al. "Thin-Film Cathode Using ZnS Layer", pp. 1321-1323.
International Journal of Electronics, vol. 69, No. 1, pp. 65-78: L. Eckertova, "Metal-insulator-metal and metal-insulator structures as electron sources".

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