Method for driving an independent sustain and address plasma dis

Details Method for driving an independent sustain and address plasma dis Method for driving an independent sustain and address plasma dis

1990-04-23

1993-10-05

Weldon, Ulysses

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 68, G09G 322

Patent

active

052509362

ABSTRACT:
A method is described for erasing pixel cells in an ISA AC plasma display panel. The panel comprises a plurality of cell groups aligned along horizontal and vertical dimensions, each cell group including an address cell, two vertical coupling cells, two horizontal coupling cells, and four pixel cells. Horizontal and vertical address lines are provided and intersect each address cell, and sustain lines are positioned on either side of the address lines and intersect adjacent series of pixel cells and coupling cells in each cell group. Intersections between sustain lines define pixel cells by type, with each cell group having identical first through fourth types at corresponding sustain line intersections. The method comprises: energizing the address and sustain lines line to turn ON at least a selected first type pixel cell in an addressed cell group, the first type pixel cell and a second type pixel cell defined by intersections between a horizontal sustain line and first and second vertical sustain lines; applying sustain signal pulses to all the sustain lines, with at least one less sustain signal pulse being applied to vertical sustain lines which define the second type pixel cell in all cell groups; and subsequently applying to the sustain lines, a sustain potential to cause erasure of the selected first type pixels in the addressed cell groups.

REFERENCES:
patent: 3559190 (1971-01-01), Bitzer et al.
patent: 3906451 (1975-09-01), Strom
patent: 4097780 (1978-06-01), Ngo
patent: 4591847 (1986-05-01), Criscimagna
patent: 4772884 (1988-09-01), Weber et al.

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