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平板显示类型FlatPanelDisplay(FPD),ByLightEmission,Non-Emission,Emission,LCD,ByDriving,D-TFD,ActiveMatrixTFTLCD,PassiveMatrix,PDP,FED,OLED,ByMaterials,a-SiTFT,Poly-SiTFT,SED,AMOLEDPMOLED,ByProcess,HTPSTFT,LTPSTFT,Gas,Phosphor,Organic,ByLiquidCrystal,TNLCD,STNLCD,ByProjection,HTPSLCD,DLPLCOS,平板显示类型,$USBillions,2009年是为平板显示产业的里程碑。它代表了改造和重新启动的时间。,$130,1998-2001Cooking,2002-2007HighGrowth,2008-2009Reshape,2010-2016StableGrowth,30%,$120,25%,$110,20%,$100,15%,$90,10%,$80,5%,$70$60,0%,$50$40$30$20,Wedontwanttoseethishappen.Howtofindthenewmomentum?,-5%-10%-15%-20%,$10,-25%,$0,-30%,1998199920002001200220032004200520062007200820092010201120122013201420152016,CRT,a-SiTFTLCD,LTPS,PDP,PMLCD,OLED,VFD,DLP,LCOS,HTPS,EPD,EL,DisplayTotal,Growth,平板显示产业总收入1998年至2016年,CapacityArea(000m2/year),60,000,50,000,40,000,TurningPoint:Sony-SamsungJoinventureTurningPoint:Gen6v.s.G5.5AUOMergedQDI,TurningPoint:Chi-MeiInnoluxMerge,NextTurningPoint:MoreConsolidation?NewFabinChina?,30,000,20,000,10,000,-,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,SamsungCPT,LGDInnolux,SharpHannStar,IPS-AlphaBOE,AUOSVA,CMOInfoVision,液晶产业的转折点,TurningPoint:FinancialCrisisHeatTaiwanharderThanKorean,AIO(All-In-One),Window7withTouch,E-Book,PhonewithTouchPanel,LCDTVWithBlue-ray,AndLEDTVWirelessLCDTVInternetTV3DNotebookLEDMonitor3DLCDTV4K*2KResolution,液晶产品新应用,手机显示器发展趋势,LCDTV平板技术道路图,Fornextseveralyears,severalfactorsdrivethegrowthforLCDTVspec,andreachtheso-called“UltimateLCDTV”,BetterdisplayqualitydrivenbyFHD,120Hz,240Hzandnewcelldesign,SlimdesignbyreducingthethicknessofbacklightorbyusingLEDs.,Greendesignforenvironmentfriendly.,2006,2007,2008,200910,2015,LargeSize,40”-49”,50”-52”,55”,57”-60”60”-72”,ContrastRatio,2000:1,3000:1,4000:1,5000:1,1080p,1080p(FullHD),4Kx2K,120/100Hz,120/100Hz,240Hz,UltraSlim,UltraSlim,LEDBacklight,Eco/Green,LowerPowerConsumptionEnvironmentalFriendly,3D,3D,LowCost,MonitorPanels,LowerSpecPanels(Brightness,etc.)forEmergingCountries,LCDTV平板技术道路图,LCDTV液晶背光趋势,CostofLEDTVarestillexpensive.,-TVmakersthinkLEDBLUshouldbeunder1.2Xpriceofconventionalone.,-Technologyside,improvingLEDluminousefficiencyhashigherpriority.,PanelMakersarealsoimplementingmanyHighTransmittancetechnology,LCDTV液晶背光趋势,Unit:Millions,2010年LEDTV主要品牌和市场的销售目标,12,60%,1086420,LEDTVLED%,50%40%30%20%10%0%,三星,LGE,SONE,SHARP,PHILIPS,TOSHIBA,Vizio,PANASONIC,CHINA,2010年LEDTV市场,LCDTV基本结构,LCDTV包括:主板、PANEL、升压板、电源板、按键板。,LCDTV基本结构框图,VideoFilter,RGB,PanelController(Scalar),Micro-controller,OSD,FrameBuffer,LCDPanel,CLK/CTL,18/36-bitsor24/48-bits,VideoDecoder,NTSC/PALS-Video,(Option),PFC+PWM,LVDSorPanelLinkI/F,YPbPr,MUXSW,DC-DC,Transformer,LCDTVPowerconsumption25”30”:180W200W32”42”:200W350W,主板包括：接口控制逻楫（含信号接口，键板接口，INVERTER接口，电源接口)，信号处理逻辑（含ADC模数转换，定标缩放灰度控制，扫描控制等）MCU,DDC(即插即用）DC-DC转换等。升压板用于驱动PANEL背灯管（升压板即INVERTER)。电源板则提供直流恒压（如：12VDC/3.5A）给主板及升压板等模块供电。简单将LCDTV分为两大部分：电源部分和主板与控制部分。,LCDTV基本结构,LCDTV主电源,OutputRectifier1,FeedbackBlock,PFCControlIC,PWMControlIC,MainSwitchingBlock,PFCBlock,BridgeRectifier,OutputRectifier3,1824V,5V,MOSFET600V/800vSeriesDiodes:FR107,LL4148,BridgeRectifierGBU8XGBU6X,SchottkyRectifier100VSeries10A/20A40VSeries7.5A45VSeries15A30VSeries3/6ARegulatorLR7805LR7812,ProgrammableShuntregulatorLR431ALR431B,OutputRectifier2,12V,5Vsb,OutputRectifier4,StandbyPower,PFCControlICMainsupplier:STFairchildOnSanken,StandbyLowpowerForstandbyPowerPWMIC,MOSFETPFCDIODEPFC:600Vfast500VSeriesrecoverydiodes,PWMControlICGreenmodelhighefficiencypowerIC,由于LCD是低电压工作，而一般市用电网提供的是110V或220V的交流电压，所以需要在显示器上专门配有电源适配器，其作用就是将电网的交流电压转换成直流电压向整个LCDMonitor供电。一般采用脉宽调制（PWM）型的开关电源，其基本工作原理：交流220V输入电压经过整流滤波电路变成直流电压，再由开关功率管斩波和高频变压器降压，得到高频矩形波电压，经整流滤波后获得所需要的直流输出电压。脉宽调制器是这类开关电源的核心，它能产生频率固定而脉冲宽度可调的驱动信号，控制开关功率管的通断状态，来调节输出电压的高低，达到稳压的目的。,LCDTV电源,某LCD电源生产商电路图一,LCDTV电源,某LCD电源生产商电路图二,LCDTV电源,LCDTV电源,某LCD电源生产商电路图三,主板由PANEL控制逻辑，灰度系数控制逻辑，DC/DC转换逻辑，传输TTL电平信号到LCD显示模块电路等部分组成。因在主板上各部分对电压要求不一样，也需要电源管理IC。主要作用：信号及图象处理，面板控制，信号转换，信号检测及过压保护等等。,LCDTV主板及控制,LCDTV主板及控制,INVERTER将主板送入直流电压转换成1500V-1800V的高压交流电，频率30-50KHZ，电流6-9mA（以上数值是因PANEL的特性参数差异而不同），PANEL的灯管在高压交流电作用下才能被点亮。,LCD-TV背光驱动INVERTER,RoyerCircuit,ControllerIC,MCUInput,Lamp,HalfBridge/Push-pullCircuit,ControllerIC,MCUInput,Buck-RoyerTopology,Half-bridge/Push-PullTopology,ControllerIC,FullBridgeCircuit,MCUInput,Lamp,Full-BridgeTopology,Lamp,MOSFET30V/10AMOSFET40V/10AMOSFETLL4148,MOSFET40V/10AMOSFET60V/10AMOSFET60V/10AMOSFETLL4148,MOSFET30V/10AMOSFET40V/10AMOSFET60V/10AMOSFETLL4148,LCDTV,产品应用桥用在电源上，不同尺寸屏幕电源输出功率不同，桥的型号也有所不同。电流一般使用到3-15A，电压600V。,LCDTV电源,电源上产品应用IC,LCDTV,产品应用IC,LCDTV,产品应用整流二极管主要用在电源上，整流二极管用量约在二十支左右。,
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