Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1992-01-03
1993-09-21
Weldon, Ulysses
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345 67, 345 68, G09G 322
Patent
active
052472884
ABSTRACT:
A method for driving an Independent Sustain/Address line (ISA) AC plasma display panel comprises the steps of: energizing address and sustain lines to turn on all four pixel cells in a cell group; applying an erase pulse to an address cell to cause a first coupling cell in the cell group to have wall charges deposited therein; applying next, a preset duration potential between intersecting sustain lines, one sustain line intersecting the first coupling cell and firs and second adjacent pixel cells, to migrate electrons from a discharge of the first coupling cell to a first adjacent pixel cell to erase the pixel cell, such potential further causing an "on" pixel cell adjacent to the first coupling cell to discharge; applying next, another erase pulse to an address cell, to cause a different coupling cell to have wall charges deposited therein; and applying next, a lesser duration potential than the preset duration potential, between a pair of intersecting sustain lines to migrate the deposited wall charges to a pixel cell adjacent the different coupling cell to erase to pixel cell, such lesser duration potential being insufficient to cause another pixel cell adjacent the different coupling cell to discharge.
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Lee et al., "High Speed Asynchronous Video Addressing of ac-Plasma Display Incorporating Brightness Control", SID 86 Digest, 1986, pp. 399-402.
Bruce C. Anderson and Vernon J. Fowler, "AC Plasma Panel TV Display with 64 Discrete Intensity Levels", SID International Symposium, 178, pp. 28-29.
Warren Kevin W.
Weber Larry F.
Board of Trustees of University of Illinois
Weldon Ulysses
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