Display section for multilayer gas-discharge display panel

Details Display section for multilayer gas-discharge display panel Display section for multilayer gas-discharge display panel

1977-05-25

1979-04-03

Smith, Alfred E.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

313234, 313521, 3151694, 340758, H05B 3700, H05B 3900, H05B 4100

Patent

active

041479599

ABSTRACT:
In a multilayer gas-discharge display panel of the type including a plurality of character blocks, each including a plasma supply reservoir section, a control anode section, and a display section, such sections being arranged in a plurality of parallel, gas-filled columns defining a display matrix, the supply reservoir providing a source of ions which are selectively conducted by the control anodes to the display section, a voltage being applied to the display section to initiate a gas breakdown in those columns which have had ions conducted therethrough by the control anodes, an improved display section is disclosed comprising a transparent, insulating plate extending across the front of the panel, perpendicular to and covering all of the columns, a transparent electrode covering the front surface of the plate, on the opposite side of the plate from the supply reservoir and the control anodes, and means for applying voltage pulses of alternating polarity to the electrodes to create a flashing discharge in each selected column, the intensity and power dissipated by the display being a function of the frequency and amplitude of the voltage pulses.

REFERENCES:
patent: 3629638 (1971-12-01), Veron et al.
patent: 3753041 (1973-08-01), Lustig et al.
patent: 3876906 (1975-04-01), Walters
Slottow, "Plasma Displays", IEEE Transactions on Electron Devices, vol. ED-23, No. 7, Jul. 1976, p. 760.

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