Plasma driver circuit capable of surpressing surge current of pl

Details Plasma driver circuit capable of surpressing surge current of pl Plasma driver circuit capable of surpressing surge current of pl

1995-12-01

1997-12-09

Hjerpe, Richard

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 87, G09G 328

Patent

active

056965222

ABSTRACT:
In a plasma addressed display device, rush currents flowing through the respective channels during a discharge starting time period are suppressed. A plasma addressed display device is comprised of: a plurality of data electrodes on a first substrate arranged in parallel to each other; a plurality of discharge electrodes on a second substrate each having an anode electrode and a cathode electrode arranged in parallel to each other and perpendicular to the data electrodes; a liquid crystal layer provided between the first substrate and the second substrate; a plurality of discharge channels formed between the liquid crystal layer and the second substrate, and containing ionized gas, each of the discharge channel having at least a pair of the anode electrode and the cathode electrode; a plurality of switching means for sequentially selecting the discharge channels, the switching means being provided in one-to-one correspondence with each of the discharge channels; a current supplying means for supplying a drive current to the discharge channels through the switching means corresponding to each of the discharge channels; and a control means for controlling the current supplying means in synchronization with a switching timing of the switching means, the drive current being intermittently supplied to the discharge channels by the control means.

REFERENCES:
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patent: 4896149 (1990-01-01), Buzak et al.
patent: 5008657 (1991-04-01), Hanson et al.
patent: 5045847 (1991-09-01), Tarui et al.
patent: 5077553 (1991-12-01), Buzak
patent: 5111195 (1992-05-01), Fukuoka et al.
patent: 5349454 (1994-09-01), Iwama

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