10 bit液晶显示器驱动电路

立論A10-bitTFT-LCDSourceDriver盧龍年六I盧兩年來切益論利來烈論論更論兩年來復了兩年II龍盧論了利兩料10bitDAC兩來理7bitR-string兩串DAC兩3bitDAC數IIIA10-bitTFT-LCDSourceDriverStudent:Lung-ChienHuangAdvisor:Chih-WenLuABSTRACTInthisdissertation,a10-bitsourcedriverfortheapplicationofSXGATFT-LCDisproposed.Thissourcedriverusestwocomplementarydifferentialbuffersindrivingapairofdatalinestoachievetherail-to-raildriving.Asforthe10-bitDAC,itishandledintotwosections.Atfirst,theelectricvoltageisfetchedfromR-stringtwogroupresistancestringofDACof7-bit.Then,thecorrespondingvoltageofthedigitsignalwouldbemanifestedthroughthe3-bitchargesharingDAC.Keywordsbuffer,liquidcrystaldisplay(LCD),sourcedriver.IV錄………………………………………..………….…….….………………………………....……………………….……..…………………………………..……….……………..…….….錄…………………………………..………………………..………錄………………………..………………………………….…….錄………………………………………..……………………..…I論….….….…………………………………………….……11.1……….…………………………..….…….11.2TFT-LCD……………....…………….…………..31.2.1…………………………….………51.3TFT-LCD……………..…………………………51.3.1LCD…………………………….…….…51.3.2(ControlIC)………………….…….…61.3.3(DriverIC)………………….…….…61.3.4TFT-LCD理…………………..….……81.3.5…………………………..…………….………91.3.6……………………………..….…………101.4論……………...................………………..………..11數類理……...………………..………122.1……………………………..….………….....122.2數類……..………….…..…………..142.2.1……………………………………….….…132.2.2益……………………….……………….……142.2.3…………………………………….152.2.4理…..………………………….….…162.2.5……..……….…………………………….……172.2.6…………………………………….….…18V2.3數類…..……….…………..…………..192.3.1串………………………………………….….…192.3.2數類……….……………….……21…………………………….………223.1量…………………….….......223.2……..……..……………...………..……..223.2.1……………….………………223.3數路.…………….…………….……243.3.1D………….……..………..……….…243.3.2…………..….…....………..……….…253.3.3……………………....……..……….…263.3.4料……………………....…………….…273.3.5料……………………....………..……….…283.3.6……………………...………..……….…293.4類路………………………..……..303.4.1串狀數類…....……….…303.4.2數類…................……….…313.4.3……………………....……….…323.4.4路………….…....……….…333.4.5類路說......…….…353.5…………………………………………..……..363.5.1…………………………....……….…373.5.2…………………....……….…383.5.3DNL…….………….……….……….…393.5.4INL…….………………….……….…403.5.5…………….….………………….……….…413.6量………..………………………………………..423.6.1量…………………....……….…433.6.2量…………………....……….…44VI3.6.3DNL量…….…………………....……….…453.6.4INL量…….…………………....……….…463.6.5異量…………………473.7論……………..………………………………………..48論來……………………….…………….………494.1論………………………………………………..……..494.2來…………………………………………..……..49參…………..….……...…….…………………………….….…..50VII錄1-1TFT-LCD…….…..……………………….….…31-2TFT-LCD……..………………………………...41-3TFT-LCD……………………………………….41-4…….……………………………………….51-5.……………………………………….71-6TFT-LCD路………………………………….81-7TFT-LCD………………………...…………..91-8(a)率(T)料(V)(b)理數料率……….......102-1率度…………………………….……...122-2…………………………………………..…….……132-3益………………………………………….….......…..142-4………………….……..……….…………..152-5………………………………….………….162-6…………………………….…….…….172-7………………………………………….………….182-8串數類………………….………….192-9列串數類…………..………....202-10數類……………………...….………….213-1路……….………….233-2D路………………………..…..….243-3D……………………………..…..….243-4路……………….………………………….253-5路…………….………………………….263-6料路…………………………………………..27VIII3-7料路…………………………………………….283-8路………………………………………….293-9串狀數類路……..………...303-10數類路……..…………...…....313-11路……………………….…….…...323-12路……………….………..…..333-13路……………….……………..…..333-14…………………….…………….353-15兩Channel…..……………………...…..373-16………………………………..383-17………………………………..383-18DNL……………………………………393-19DNL……………………………………393-20INL….….……………………………....403-21INL….….……………………………....403-22六Channel.……...….……413-23………………………..……433-24數料”1111111111”兩……433-25數料”0000000000”兩…..443-26量………………………..……….443-27量………………………..……….453-28DNL量……………………………….……453-29DNL量……………………………….……463-30INL量…………………………………...…463-31INL量…………………………………...…473-32異量…………………………473-33異量…………………………48IX錄1-1TNSTNDSTNTFT.………………………...23-1……………………………..………………..…...…363-2量……………………………..………………..…...…421論1.1車行數數理年不路不量說了更路率路力理略說liquidcrystal不更度狀不異流刺列率若量易不2見TN(TwistedNematic)STN(SuperTN)DSTN(DoublelayerSTN)TFT(ThinFilmTransistor)TNSTNDSTN理都TFT不1-11-1TNSTNDSTNTFTTNSTNDSTNTFT列來例STN更流流DSTN便便便更率更率更率更率(PassiveMatrixLCD)(ActiveMatrixLCD)不(sub-pixel)(TFT)利行列兩來行列不度TFT-LCD流TFT-LCD理31.2TFT-LCD1-1TFT-LCD(LCDPanel)(SourceDriver)(GateDriver)路(TimingController)流-流(DC-DCConverter)路來路流-流來路LCD流-流路RGB(10bits*3)ClockHsyncVsyncVCC1-1TFT-LCD1-2LCD[1]1-3LCD不利列度來濾刺度不4濾TFT數TFT列RGBGB1-2TFT-LCD1-3TFT-LCDRGB濾RGB51.2.1流力量見列例易復來狀[2]1-41.3TFT-LCDLCD數料行LCDLCD(ControlIC)(DriverIC)兩類理來LCD6(ControlIC)度ScalerICADCPLLOSDIC數了DVIReceiverIC若ICDVIADCLCDIC料類行類數行料理數類數類數來數類類數降更ADC類數Scaler理數數亮度OSD行LVDS(LowVoltageDifferentialSignal)LCD(DriverIC)LCD列列率來度亮度度率數數量DriverICSourceDriverGateDrive兩度若來說SourceDriver數384pinGateDriver數256pinGateDriver來SourceDriver來RGBGateDriver列行列列GateDriver列SourceDriver行SourceDriver行GateDriver7列SourceDriver列料連切1-5LineMemoryTimingControlVRAMboardRGBSynchroTFT-LCDPanelGateDriver...SourceDriver....SourceDriverBacklightPowerSupplyInvertDisplayModulePowerCircuitforGray-scale81.3.4TFT-LCD理1-6TFT-LCD路TFT-LCDCs列TFT料Cs聯來量料度率TFTCsVcom料1料2料33211-6TFT-LCD路91.3.5不流(commonelectrode)(positivepolarity)(negativepolarity)流(inversionmethod)1-7framerowcolumndotdotVcom串(cross-talk)dot度兩率+++++5+++++4+++++3+++++2+++++154321-----5-