G - Physics – 09 – G
Patent
G - Physics
09
G
375/53
G09G 3/12 (2006.01) G09G 3/30 (2006.01)
Patent
CA 1234645
TITLE OF THE INVENTION: MATRIX DISPLAY PANEL DRIVING SYSTEM ABSTRACT OF THE DISCLOSURE: A driving system for a display panel wherein a large number of data lines and scan lines are arranged in matrix fashion and wherein a display cell is disposed at each crossing point, includes a row drive for supplying a first voltage to row side electrodes through the scan lines, a column drive for supplying a second or a third voltage to column side elec- trodes through the data lines, and a refreshing drive for supplying a reverse polarity voltage between the electrodes of each display cell after scanning of all the scan lines. The column drive performs a modulation drive by applying the voltages from the data lines selectively to the display cells according to an intended luminescence or non-luminescence of the cells. The row drive performs a write drive by sequen- tially applying the first voltage to the scan lines. The re- freshing drive performs a refreshing operation by applying a predetermined refreshing voltage to the display cells after completion of the modulation and write drives. Thus, an image is displayed. This system obviates a pre-charge step and hence increases the scanning speed and reduces the power consumption. - 1 -
458099
Gowling Lafleur Henderson Llp
Nec Kansai Ltd.
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