Cathodoluminescent display device including conductive or semico

Details Cathodoluminescent display device including conductive or semico Cathodoluminescent display device including conductive or semico

1979-09-19

1983-03-22

Nelms, David C.

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

2523016S, H01J 2920

Patent

active

043777694

ABSTRACT:
A cathodoluminescent display device, for example a low-voltage vacuum fluorescent display device, has a source of low-voltage electrons and cathodoluminescent layer for excitation by the low-velocity electrons which comprises particles of phosphor material, for example a sulphide, selenide, telluride or oxy-sulphide phosphor, thar are treated to increase their surface conductivities by, for example, deposition of a surface coating comprising conductive or semi-conductive material.

REFERENCES:
patent: 3560783 (1971-02-01), Shortes
patent: 3573084 (1971-03-01), Gallaro
patent: 3622826 (1971-11-01), Royce
patent: 4119562 (1978-10-01), Kagami et al.
patent: 4208612 (1980-06-01), Hase et al.
patent: 4275333 (1981-06-01), Kagami et al.

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