LCD PCB電路原理簡介ppt課件

1、 LCD PCB LCD PCB 電路原理簡介電路原理簡介 1、TFT LCD 顯示驅(qū)動原理簡介2、PCB 驅(qū)動框架介紹 a、DC-DC 電路介紹 b、時序電路部分介紹TFT LCD 顯示驅(qū)動原理簡介TFTTFT LCD 結(jié)構(gòu)介紹驅(qū)動原理結(jié)構(gòu)圖Row DriversColumn Driver1H1HClcCsCsCsCsCsCsCsCsCsClcClcClcClcClcClcClcClc等效電路結(jié)構(gòu)圖液晶畫素TFTCommonCommonGate LineData LineCsCs液晶畫素CommonCommonGate LineData LineCsCsCELL Array 內(nèi)部結(jié)構(gòu)圖LCD

2、 TimingControllerLCDPanelData DriverScan DriverRGB Digital DataGMA1GMA181818PowerSupplyCircuitBacklightPowerSupplyBacklightR5:0G5:0B5:0HsVsCLKDE+5VGNDData & Scan Driver Power SupplyData DriversControl SignalsPC InterfacePCRGBHsVsTFT-LCD ModulePCGMA1GMA184A/DInterfaceorDigitalInterfaceScan Contro

3、l Signals顯示器結(jié)構(gòu)圖PCB 驅(qū)動框架介紹ConnectorConnector電力供應(yīng)電力供應(yīng)接收水源接收水源凈化處理凈化處理水壓水壓調(diào)節(jié)電路調(diào)節(jié)電路千家萬戶的自來水龍頭千家萬戶的自來水龍頭各種水塔各種水塔各處水閘各處水閘水源水源控制中心控制中心調(diào)節(jié)壓力調(diào)節(jié)壓力電力電力自來水消毒系統(tǒng)自來水消毒系統(tǒng)ConnectorConnectorDC/DCDC/DCconverterconverterLVDSLVDSReceiverReceiverTimingTimingControllerControllerGammaGammaCorrectionCorrectionTFT-LCDTFT-LCD1

4、2801280* *(3)(3)* *10241024PixelsPixelsX-Driver ICX-Driver ICY-Driver ICY-Driver ICG1024G1024D1D1D3840D3840InverterInverterDC POWERDC POWER+5V+5VX PCBX PCBASICASICPCB Block DiagramPCB Block DiagramG1G1WOAWOARSDS RSDS TransmitterTransmitterdatadataN01N01：DC-DCDC-DCSource voltage ：Gate voltage ： Com v

5、oltage： Vcom：4.53+-1VXvcc：3.5VAvdd：12VGamma：V1-V14 0.1-11.8Yvcc：3.5VYgh/Yvgg：27VYgl/Yvee：-5.8V+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 V4 V5+6.25 V7+5.35V V8 V9 V10 V11 V12 V13+0.16V V14EL5420OP AMPDC-DC結(jié)構(gòu)圖AVDD 升壓電路12+YVL 升壓電路12-N02N02：時序電路：時序電路Data signal ：Source signal： gate signal ： Clk：clkp&clknDIO：80KHZSTB：80KHZR：6bitG：6bitB：6bitPOL：40KHZCLK：YCLKYDIO：75HZYOE：80KHZASICRXECLKINRXOCLKINRXEIN03RXOIN03X1X5X10X6F