SOURCE DRIVER FOR LIQUID CRYSTAL PANEL AND LEVELING METHOD FOR SOURCE DRIVER OUTPUT VARIANCE

摘要

PROBLEM TO BE SOLVED: To reduce noise of longitudinal stripes on a display screen by leveling variance in output voltage level due to a difference of characteristics among output amplifiers of source drivers. ;SOLUTION: This source driver 12 for a liquid crystal panel is equipped with an output amplifier switching means 10 which switches an output amplifier 8, amplifying a digital image signal converted into an analog signal by a digital- to-analog converter 82 and supplying it to source lines 74 of the liquid crystal panel 70, to another output amplifier at intervals of a specific time.;COPYRIGHT: (C)2001,JPO