Stabilized plasma display device

Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device

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H01J 6135

Patent

active

044750609

ABSTRACT:
A high resolution gaseous discharge display and/or memory device comprises a panel array of bistable charge storage areas designated gaseous discharge cells or sites, each cell having an associated pair of coordinate orthogonal conductors defining the cell walls which, when appropriately energized, produce a confined gaseous discharge in the selected sites. The conductors are insulated from direct contact with the gas by a dielectric insulator composed of a layer of Group IIA oxide doped with a beneficial amount of one or more transition elements selected from nickel, iron, chromium or manganese, to stabilize and control the secondary-electron emission characteristics of the Group IIA oxide under ion bombardment, to eliminate the decrease in the maximum sustain voltage and the bistable voltage margin of the panel during panel operation and to increase initially the bistable voltage margin of the panel, thereby providing stable operating voltages and extending the life of the gaseous discharge display panel. In a preferred embodiment of the invention, the dielectric insulator comprises magnesium oxide doped with 3-5 percent nickel by weight.

REFERENCES:
patent: 3863089 (1975-01-01), Ernsthausen et al.
patent: 3996489 (1976-12-01), Byrum, Jr. et al.
patent: 4053804 (1977-10-01), Aboelfotoh
patent: 4114064 (1978-09-01), Ernsthausen
patent: 4207488 (1980-06-01), Aboelfotoh

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