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液晶顯示器驅動系統講師:液晶物質的相變化液晶分子的種類液晶分子的排列液晶的分類液晶的電光特性液晶的光學特性液晶驅動原理液晶顯示器主要優缺點液晶顯示器的種類TN型LCDs顯示原理STNLCDs顯示原理TN&STN電光轉移曲線V-TCurveTN與STN的電壓漂移LCDs驅動方式LCDs靜態驅動法多工驅動法(振幅選擇驅動法,APT)多工驅動法的限制APT驅動波形IAPT驅動波形APT與IAPT方式比較高容量多工驅動的對策STNLCDs規格STNLCDs驅動電壓計算STNLCDsDrivers架構灰階顯示─FRC灰階顯示─PWM灰階顯示─PHM液晶的頻率響應VerticalCrosstalkofSTNLCDsVerticalCrosstalk的抑制(一)VerticalCrosstalk的抑制(二)VerticalCrosstalk的抑制(三)HorizontalCrosstalkofSTNLCDsHorizontalCrosstalk的抑制FrameResponseofSTNLCDsActiveAddressingforSTNLCDsActiveAddressing驅動電壓SegmentVoltageofActiveAddressingActiveAddressing的矩陣運算矩陣運算方式ColumnSequential硬體架構TimeSequential硬體架構主動矩陣式液晶顯示器AM-LCDsTFTLCDs等效電路ArrangementofColorFilterPixelStructureofTFTLCDsCsonCommon與CsonGate架構TimingChartofTFTLCDsTFTLCDsDrivingMethodDirectDrivingofTFTLCDsACModulationAddressingofTFTLCDsTFTLCDs的電光效應DirectAddressingTFTLCDs的電光效應ACAddressingTFTLCDsDrivingWaveformCsonCommon(一)TFTLCDsDrivingWaveformCsonCommon(二)TFTLCDsDrivingWaveformCsonGateTFT電容效應的影響液晶電容的效應二階驅動方式的效應TFT補償驅動法3LevelAddressing4LevelAddressingCsonGate電壓補償方式ComparsionofAddressingMethodHorizontalLineCrosstalkHorizontalAreaCrosstalkVerticalAreaCrosstalkShadingCrosstalkShadingCrosstalk的抑制GatePulse的傳遞延遲液晶畫素邊際電場效應(一)液晶畫素邊際電場效應(二)驅動IC-ScanDriverSerialIn-SerialOutAnalogDataDriverSerialIn-ParallelOutAnalogDataDriver(一)SerialIn-ParallelOutAnalogDataDriver(二)DigitalDataDriver(一)DigitalDataDriver(二)DigitalDataDriver(三)GammaCorrectionofLCDGammaCorrectionSimpleCaseTheBlockDiagramoftheTFTLCDModuleTheTFTLCDModuleTypeTheAnalogInterfaceTheADCInterfaceTheLVDS/PanelLinkInterfaceAnalog/ADC/LVDS/PanelLinkAnalog/ADC/LVDS/PanelLinkAnalog/ADC/LVDS/PanelLinkPanelLinkInterface ApplicationintheDesktopLCDMonitorInterface HighEdgeSharpness ReducingEMI&NumberofCableLine HighImageQualityandLowCost SecondSupplySourceIssueTFTModule設計考慮(一)TFTModule設計考慮(二)大面積高解析度TFTLCDs的開口率影響因素PlasmaAddressingLCDsIn-Plane-SwitchModeLCDsVerticalAlignmentModeLCDsComparisonofLiquidCrystalModes