G - Physics – 09 – G
Patent
G - Physics
09
G
375/16
G09G 3/12 (2006.01) G09G 3/30 (2006.01) H05B 33/08 (2006.01)
Patent
CA 1153837
?,310 -18- Abstract of the Disclosure A display system includes a plurality of thin-film electroluminescent elements each having a digit elec- trode and a segment electrode, a set of digit drivers, and a set of segment drivers. The digit drivers and the segment drivers are operative, during precharging portions of digit and segment control signals, to pre- charge the elements of the display by applying a first voltage to the digit electrode and a second voltage to the segment electrode of each element. The digit drivers are further operative, during addressing por- tions of the digit control signal, to selectively address elements of the display by applying the second voltage to the digit electrodes of the elements which are to be addressed and by applying the first voltage to the digit electrodes of the elements which are not to be addressed. The segment drivers are further operative, during energizing portions of the segment control signal, to selectively energize elements which are addressed by applying the first voltage to the segment electrodes of the elements which are to be ener- gized and by applying the second voltage to the segment electrodes of the elements which are not to be energized. The first voltage can be ground potential and the second voltage can be a positive dc voltage which is greater than the threshold voltage of the electroluminescent elements.
366703
Gte Laboratories Incorporated
R. William Wray & Associates
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