lcd-tft基本原理与设计

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1、TFT-LCD基本原理與設計課程大綱TFT-LCD產業TFT-LCD簡介TFT-LCD驅動原理TFT-LCD設計TFT-LCD產業TFT-LCD產業TFT-LCD基本原理與設計課程大綱TFT-LCD產業TFT-LCD簡介液晶的光電特性TFTLCDsA/C架構TFTLCDs模組架構TFT-LCD驅動原理TFT-LCD設計主動矩陣式液晶顯示器AM-LCDsMonitorSystemLCDTimingControllerLCDPanelDataDriverScanDriverRGBDigitalDataGMA1~GMA

2、181818PowerSupplyCircuitBacklightPowerSupplyBacklightR[5:0]G[5:0]B[5:0]HsVsCLKDE+5VGNDData&ScanDriverPowerSupplyDataDriversControlSignalsPCInterfacePCRGBHsVsTFT-LCDModulePCGMA1~GMA184A/DInterfaceorDigitalInterfaceScanControlSignals主動矩陣式液晶顯示器AM-LCDsPanelStruct

3、ure主動矩陣式液晶顯示器AM-LCDsPanelStructure主動矩陣式液晶顯示器AM-LCDsPanelStructure液晶物質的相變化固體結晶液晶液體加熱加熱冷卻冷卻液晶分子的種類SmecticLC層狀液晶NematicLC線狀液晶CholestericLC膽固醇狀液晶液晶物質主動矩陣式液晶顯示器AM-LCDsPanelStructureClcTFTSubstrateColorFilterSubstrateRGBClcClcRBG主動矩陣式液晶顯示器AM-LCDsPanelStructureTN型LC

4、Ds顯示原理TNModeLCDsFieldON入射光偏光板液晶分子玻璃基板出射光之極化狀態解偏板出射光未加電場OFF狀態TN&STN電光轉移曲線V-TCurve100%90%10%VnsSTNVsSTNVsTNVnsTNVIn-Plane-SwitchModeLCDs偏光版解偏版液晶分子作用電極玻璃基板入射光作用電場方向出射光之極化狀態未加電場"OFF"狀態施加電場"ON"狀態出射光VerticalAlignmentModeLCDs未加電場OFF狀態施加電場ON狀態入射光偏光板液晶分子玻璃基板出射光之極化狀態解偏

5、板出射光ComparisonofLCModesStronglydependentonviewingangle低驅動電壓視角窄小Off(White)On(Black)Slightlydependentonviewingangle廣視角液晶反應速度慢Off(Black)On(White)畫面對比低畫面品質差Slightlydependentonviewingangle畫面對比高廣視角Off(Black)On(White)液晶反應速度快彩色畫面顯像佳TNIPSVA主動矩陣式液晶顯示器AM-LCDsPanelStruct

6、ureTFT-LCDModuleTTLLVDSPanelLinkSingalControllerDC/DCDirverICinvertorTFT-LCDBLX-PCDYPCBGammaGen.ComponentEMITFT-LCD基本原理與設計課程大綱TFT-LCD產業TFT-LCD簡介TFT-LCD驅動原理DrivingmethodDrivingwaveform電容效應TFT-LCD設計TFTCharacteristicId1020Vg10E-610E-1110E-12-5-10TFTLCDs等效電路RowDr

7、iversColumnDriver1H1HClcCsCsCsCsCsCsCsCsCsClcClcClcClcClcClcClcClcTimingChartofTFTLCDsFrameTimeGate123N1HL1L2L3DATATFTLCDsDrivingMethodColumnInversionDotInversionRowInversionFrameInversionDirectDrivingofTFTLCDsDCBiasofCommonGrayScaleVoltageV0V1V2V62V63V63V62V

8、2V1V01Frame/1LineACModulationAddressingofTFTLCDsV0V1V2V62V63V63V62V2V1V0CommonWaveformGraylevelVoltage1Frame/1LineTFTLCDs的電光效應DirectAddressingTFTLCDs的電光效應ACAddressingPixelStructureofTFT