Gas discharge display device including plurality of discharge pa

Details Gas discharge display device including plurality of discharge pa Gas discharge display device including plurality of discharge pa

1976-09-02

1977-12-27

Demeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

313112, 313201, 313220, 313493, H01J 6135, H01J 6142

Patent

active

040656985

ABSTRACT:
A gas discharge display device of multilayer structure comprises a plurality of discharge panel units in stacked relation to each other. Ultraviolet ray absorption layers are located between the discharge panel units. Phosphorescent material emits light of different brightness in proportion to the volume of ultraviolet rays from each discharge panel unit which rays excite such phosphorescent material. The phosphorescent material is supported on the discharge panel unit on the display surface side of the device.

REFERENCES:
patent: 2447322 (1948-08-01), Fonda
patent: 2933648 (1960-04-01), Bentley
patent: 3559190 (1971-01-01), Bitzer et al.
patent: 3562737 (1971-02-01), Wiederhorn et al.
patent: 3573459 (1971-04-01), Siegmund
patent: 3626241 (1971-12-01), Ngo
patent: 3686686 (1972-08-01), Hall

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