Fluorescent display device

Details Fluorescent display device Fluorescent display device

Filed on

1982-03-24

Date issued

1984-07-10

Examiner

Dixon, Harold

Patent Class

Electric lamp and discharge devices: systems

SubClass

Plural power supplies

SubSubClass

Plural cathode and/or anode load device

Other Related Categories

3151693, 340781, H05B 3700, G09F 900

Type

Patent

Status

active

Patent number

044595140

Description

ABSTRACT:
A fluorescent display device capable of preventing display defects and producing a uniform display of a high density wherein a plurality of control electrodes are arranged parallel to one another above a row of anodes each coated with a phosphor layer in the direction perpendicular to the anodes so that each area of the anodes controlled by the respective adjacent two control electrodes forms one of display elements, and a control voltage is simultaneously applied to each adjacent control electrode to allow selected display elements to emit light.

REFERENCES:
patent: 2925530 (1960-02-01), Engelbart
patent: 3432724 (1969-03-01), Frost
patent: 3890609 (1975-06-01), Sasaki et al.
patent: 4149147 (1979-04-01), Kishino

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