LIQUID CRYSTAL DISPLAY DEVICE

摘要

PROBLEM TO BE SOLVED: To lower the luminance unevenness by each one line in a raster display by making the charging characteristics of pixels at the time of selection of gate wiring of the lines at which the polarity of source potential inverts and at the tome of selection of the gate wiring of the lines at which the polarity of the source potential does not invert. SOLUTION: A selection pulse 31 is inputted to the gate wiring 1 before the timeτ1 from the polarity inversion of the source potential and the pulse width of the selection pulse 31 is set at one horizontal scanning period. The timing for rising of the selection pulse 31 is set after the lapse of the timeτ1 from the fall of the selection pulse 31 and the pulse width of the selection pulse 32 is set smaller by the timeτ2. The pixel charging characteristic at the time of selection of the gate wiring 2 more than heretofore by making the pulse width of the second selection pulse 32 smaller byτ2 than the first selection pulse 31, by which the pixel charging characteristics at the time of selection of the gate wiring 1 and at the time of selection of the gate wiring 2 are made equal to each other. The luminance unevenness by one line each of the gate wiring in the raster display may be lessened.