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1、ModuleTeam‘10.03.12LCD驱动原理基础[Rev0.0]ContentsLCD概要1LCDPANEL2LCDModule3别称4■LCDDisplay分类LiquidCrystalDisplayPMLCDAMLCDTNSTNAFLCDa-SiTFTPoly-SiTFTTFDHTPSLTPSTwistedNematicSuperTwistedNematicAntiferroelectricAmorphousSiTFTThinFilmDiodeHighTemperaturePolySiTFTLowTemperaturePolySiTFTTFT:ThinFilmTransi
2、storLCD概要QVGA:320×RGB×240LCD概要■Resolustion(分辨率)#1#2#3#320....................#1#2#3#240竖线:320X3(R/G/B)横线:240PIXEL(分辨率):320X240=76,800SubPIXEL(DOT):320X3X240=230,400■Resolustion种类LCD概要分辨率Pixel수画面比率表现缩写176x14476,0324:3QCIFQuarterCommonIntermediateFormat176x200105,600QCIF+QuarterCommonIntermediate
3、Format+320x240230,4004:3QVGAQuarterVideoGraphicsArray352x288304,1284:3CIFCommonIntermediateFormat480x272391,68016:9WQVGAWideQuarterVideoGraphicsArray360x640691,20016:9nHDNinthHD640x480921,6004:3VGAVideographicsArray800x4801,152,00016:9WVGAWideVideoGraphicArray480x8641,244,16016:9WVGAWideVideoGr
4、aphicArray800x6001,440,0004:3SVGASuperVideoGraphicsArray1024x7682,359,2964:3XGAExtendedGraphicsArray1280x7682,949,12016:9HDHighDefinition1366x7683,147,26416:9HDHighDefinition1280x10243,932,1605:4SXGASuperExtendedGraphicsArray1600x12005,760,0004:3UXGAUltraExtendedGraphicsArray1920x10806,220,8001
5、6:9FullHDFullHighDefinition1920x12006,912,00016:10WUXGAWideUltraExtendedGraphicArray“液晶标识装置.利用随着认可电压液晶透视图的变化,各种装置中发生的多样电子信息变化,使变为开始信息传达的电子元件。无自身发光性不用借光,但是消费电力小,便携式可以广泛使用的平板显示。.”(Nvaver百科词典)液晶ColorFilterTFTarrayBacklightLCD概要■LiquidCrystalDisplay上Pol’下Pol’■TFTPANEL构造ILCDPANELData输出Gate输出Gate输出IC
6、■TFTPANEL构造IILCDPANEL上Glass-Common电压下Glass-Data电压(COGSource输出)-Gate电压(COGGate输出)SpacerCommonElectrode(ITO)GateLineC/FDataBusLinePixel(RGBSubpixel)GateDrainSourcea-siGatePassivation(SiNx)TFT:ThinFilmTransistorLCDPANELGate电压输入时TFTONTFTON时,电流从Source移动到Drain通过Source进入,Data电压储存在StorageCap中维持电压根据储存在S
7、torageCap的电压和上Glass的Common电压电界现象液晶回转,以此光亮调节■TFTPANEL运作原理ⅠLCDPANEL■TFTPANEL运作原理ⅡLCDPANEL■TFTPANEL运作原理Ⅲ区分StorageonCommon构造StorageonGate构造正面侧面特征-ApertureRatio(开口率)低-Vcom和Cs是维持sync-Storage能力显著-透视率低-ApertureRatio(开口率)高-Vcom和Cs是维持sync-