TFT LCD液晶显示器的驱动原理2

(),,common.,feedthrough,.Feedthrough,,,.feedthrough,gatedrivertiming.SVGA1024*768,SVGA.1024*768=786432pixel.,1024*768*3(3pixel,,.).,X-Y,X1024*3=3072.30728384channelsourcedriver.Y,768.768,3256channelgatedriver.1SVGAgatedrivertiming.gate1~768768gatedriver.SVGA,60Hz~768768,.16.67ms/768=21.7us.gatedriverframe,,sourcedriver.gatedriver,,.common,,.common,framegate1,.timing?feedthrough,,,.LCD3,gatedriver,sourcedriver,common.gatedriver(CgdCs),common(ClcCs+Clc).Csoncommoncommonfeedthrough,feedthrough.common,feedthroughgatedriver.2,feedthrough,.,gatedriver,frame.frame,gatedriver~40,Cgd,.3,Cgd.Cgd,CMOS,MOSgatedrain.TFTLCDgategatedriver,gatedriver,.2,FrameNgate,feedthrough.gate,sourcedriver,(feedthrough),sourcedriver,.gate,sourcedriver,gatedriver(30~40),Cgdfeedthrough,feedthrough,.feedthroughgatefeedthrough,,sourcedriver,feedthrough,gatedriver.feedthrough,.FrameN+1,gatedriver(Vg2–Vg1)*Cgd/(Cgd+Clc+Cs).Cgd=0.05pF,Clc=0.1pF,Cs=0.5pFgate–35.feedthrough–35*0.05/(0.05+0.1+0.5)=2.69.3050mV(6bit,8bit35mV).feedthrough.normalwhite,,.feedthrough,common.2,commoncommonfeedthrough.(5-0)*(0.1pF+0.5pF)/(0.05pF+0.1pF+0.5pF)=5*0.6/0.65=4.62.,common5.Clc,,,4.62-5=0.38.gatefeedthrough2.69,.feedthrough,Gatefeedthrough,,.,,LCD768,common,gate,.,*0.5pF/(0.5pF+0.1pF+0.05pF)=26.92.feedthrough,gate,feedthrough.gate,SVGA,21.7us.frame16.67ms.gatefeedthrough,gate,sourcedriver.,gate,,.Csongatecommon,gateCgdfeedthrough,,common.(Twoleveladdressing).,gatedriver,.,gate,Cgdfeedthrough.10,sourcedriver,feedthrough,.common,.twolevelgatedriver,,4,Clc,Clc.,,Clc,feedthrough.common,.,threelevelgatedriver,CgdCsfeedthrough.feedthrough,‧‧