LCD_PCB_电路原理简介.ppt

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1、LCD_PCB_电路原理电路原理简介简介AUO Proprietary & Confidential1、TFT LCD 显示驱动原理简介2、PCB 驱动框架介绍 a、DC-DC 电路介绍 b、时序电路部分介绍AUO Proprietary & ConfidentialTFT LCD 显示驱动原理简介TFTTFT LCD 结构介绍AUO Proprietary & Confidential驱动原理结构图AUO Proprietary & ConfidentialRow DriversColumn Driver1H1HClcCsCsCsCsCsCsCsCsCsClcClcClcClcClcClcC

2、lcClc等效电路结构图AUO Proprietary & Confidential液晶畫素TFTCommonCommonGate LineData LineCsCs液晶畫素CommonCommonGate LineData LineCsCsCELL Array 内部结构图AUO Proprietary & ConfidentialLCD TimingControllerLCDPanelData DriverScan DriverRGB Digital DataGMA1GMA181818PowerSupplyCircuitBacklightPowerSupplyBacklightR5:0G5:

3、0B5:0HsVsCLKDE+5VGNDData & Scan Driver Power SupplyData DriversControl SignalsPC InterfacePCRGBHsVsTFT-LCD ModulePCGMA1GMA184A/DInterfaceorDigitalInterfaceScan Control Signals显示器结构图PCB 驱动框架介绍AUO Proprietary & ConfidentialConnectorConnector电力供应电力供应接收水源接收水源净化处理净化处理水压水压调节电路调节电路千家万户的自来水龙头千家万户的自来水龙头各种水塔各

4、种水塔各处水闸各处水闸水源水源控制中心控制中心调节压力调节压力电力电力自来水消毒系统自来水消毒系统AUO Proprietary & ConfidentialConnectorConnectorDC/DCDC/DCconverterconverterLVDSLVDSReceiverReceiverTimingTimingControllerControllerGammaGammaCorrectionCorrectionTFT-LCDTFT-LCD12801280* *(3)(3)* *10241024PixelsPixelsX-Driver ICX-Driver ICY-Driver ICY-

5、Driver ICG1024G1024D1D1D3840D3840InverterInverterDC POWERDC POWER+5V+5VX PCBX PCBASICASICPCB Block DiagramPCB Block DiagramG1G1WOAWOARSDS RSDS TransmitterTransmitterdatadataAUO Proprietary & ConfidentialN01N01：DC-DCDC-DCSource voltage ：Gate voltage ： Com voltage： Vcom：4.53+-1VXvcc：3.5VAvdd：12VGamma：

6、V1-V14 0.1-11.8Yvcc：3.5VYgh/Yvgg：27VYgl/Yvee：-5.8VAUO Proprietary & Confidential+5V1.2 ARegulatorVCC: +3.3V 350mAPWM ICAVDD: +12.08V 350mABoostBoostYV1: +27V 1mABuck-BoostYVEE: -7.5V 5mA.Fuse 3AFuse 1AGNDLM324OP AMP.5.3V +/- 2.4V VCOMLM324OP AMP V6LM324OP AMPLM324OP AMPEL5420OP AMP+11.48V V1 V2 V3 V

7、4 V5+6.25 V7+5.35V V8 V9 V10 V11 V12 V13+0.16V V14EL5420OP AMPDC-DC结构图AUO Proprietary & ConfidentialAVDD 升压电路12+AUO Proprietary & ConfidentialYVL 升压电路12-AUO Proprietary & ConfidentialN02N02：时序电路：时序电路Data signal ：Source signal： gate signal ： Clk：clkp&clknDIO：80KHZSTB：80KHZR：6bitG：6bitB：6bitPOL：40KHZCLK：YCLKYDIO：75HZYOE：80KHZAUO Proprietary & ConfidentialASICRXECLKINRXOCLKINRXEIN03RXOIN03X1X5X10X6Front Bank Control SignalBack Bank Control SignalFR0-2FDIO2BDIO2FG0-2FB0-2X2.X7.BR0-2BG0-2BB0-2AUO Proprietary & ConfidentialAUO Proprietary & ConfidentialAUO Proprietary & Confidential