Display panel

Electric lamp and discharge devices – With support and/or spacing structure for electrode and/or... – For plural electrodes of discharge device

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Details

313188, 313220, H01J 6106

Patent

active

039951855

ABSTRACT:
The panel comprises a gas-filled envelope which contains a plurality of column cathode strips which are oriented parallel to each other, with insulating means dividing the surface of each such strip into a column of a plurality of separate operating areas including display cathode areas and priming or scanning cathode areas, the latter providing excited particles for use by the display areas. The column cathode strips, thus treated, form rows and columns of display cathodes and priming cathodes, and, in each column, there are gas communication paths between priming cathodes or areas and display cathodes or areas. In addition, there are gas communication paths along each row of priming cathodes so that each priming cathode, and each column of priming cathodes, can diffuse excited particles to adjacent priming cathodes. A separate display anode is provided in operative relation with each row of display cathodes, and a separate priming anode is provided in operative relation with each row of scan cathodes, and each crossing of an anode and cathode area forms a display cell or a priming cell.
In operation of the panel, the columns of priming cells are energized successively, and simultaneously, information signals are applied to selected display anodes, and this causes cathode glow to transfer through the appropriate gas communication paths to the display cathodes associated with the selected display anodes, from the associated priming cathodes. The selected display cathodes thus energized in the panel display a message.

REFERENCES:
patent: 3821586 (1974-06-01), Ogle

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