Electroluminescent phosphor panel

Details Electroluminescent phosphor panel Electroluminescent phosphor panel

1977-10-18

1979-01-30

Demeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313506, 313512, H05B 3302, H05B 3314

Patent

active

041374819

ABSTRACT:
A d.c. electroluminescent panel comprises a transparent substrate, a transparent first electrode film, a phosphor layer, and a second electrode film. Application of a voltage across the phosphor layer causes it to emit light.
In this invention the phosphor layer is produced in two layers, a first semi-insulating thin layer of activator doped phosphor and a second electrically conducting layer of phosphor.

REFERENCES:
patent: 2824992 (1958-02-01), Bouchard et al.
patent: 3854070 (1974-12-01), Vlasenko et al.
patent: 4015166 (1977-03-01), Ohshima et al.

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