Fluorescent display device

Details Fluorescent display device Fluorescent display device

1983-09-28

1986-02-18

Yeung, George

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

313496, H01J 6306, H01J 1940

Patent

active

045715238

ABSTRACT:
A fluorescent display device capable of eliminating a display defect, forming a display pattern with a sharp edge and providing excellent visibility. The fluorescent display device includes a conductive metallic film deposited on one surface of a transparent insulating substrate, frames each defined by the metallic film so as to have an inner periphery of a contour corresponding to a display segment corresponding thereto, and display segment openings each having an anode conductor formed with micro-gaps by partially removing the portion of the metallic film surrounded by the frame.

REFERENCES:
patent: 3418509 (1968-12-01), Frouws et al.
patent: 3509402 (1970-04-01), Du Bois et al.
patent: 4472658 (1984-09-01), Morimoto et al.

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