液晶电视市场及产品应用分析.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,平板显示类型,Flat Panel Display(FPD),By Light Emission,Non-Emission,Emission,LCD,By Driving,D-TFD,Active Matrix,TFT LCD,Passive,Matrix,PDP,FED,OLED,By Materials,a-Si,TFT,Poly-Si,TFT,SED,AMOLED,PMOLED,By Process,HTPS,TFT,LTPS,TFT,Gas,Phosphor,Organic,By Liquid,Crystal,TN LCD,STN LCD,By,Projection,HTPS,LCD,DLP,LCOS,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。,$130,1998-2001,Cooking,2002-2007,High Growth,2008-2009,Reshape,2010-2016,Stable Growth,30%,$120,25%,$110,20%,$100,15%,$90,10%,$80,5%,$70,$60,0%,$50,$40,$30,$20,We dont want to,see this happen.,How to find the,new momentum?,-5%,-10%,-15%,-20%,$10,-25%,$0,-30%,1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016,CRT,a-Si TFT LCD,LTPS,PDP,PMLCD,OLED,VFD,DLP,LCOS,HTPS,EPD,EL,Display Total,Growth,平板显示产业总收入,1998,年至,2016,年,CapacityArea(000m2/year),60,000,50,000,40,000,Turning Point:,Sony-Samsung,Join venture,Turning Point:,Gen6,v.s,.G5.5,AUO Merged QDI,Turning Point:,Chi-Mei,Innolux,Merge,Next Turning Point:,More Consolidation?,New,Fab,in China?,30,000,20,000,10,000,-,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,Samsung,CPT,LGD,Innolux,Sharp,HannStar,IPS-Alpha,BOE,AUO,SVA,CMO,InfoVision,液晶产业的转折点,Turning Point:,Financial Crisis,Heat Taiwan harder,Than Korean,AIO(All-In-One),Window 7 with Touch,E-Book,Phone with Touch Panel,LCD TV With Blue-ray,And,LED TV,Wireless LCD TV,Internet TV,3D Notebook,LED Monitor,3D LCD TV,4K*2K Resolution,液晶产品新应用,手机显示器发展趋势,LCD TV,平板技术道路图,For next several years,several factors drive the growth for LCD TV spec,and reach the so-,called,“Ultimate,LCD TV”,Better display quality driven by FHD,120Hz,240Hz and new cell design,Slim design by reducing the thickness of backlight or by using,LEDs,.,Green design for environment friendly.,2006,2007,2008,200910,2015,Large Size,40”-49”,50”-52”,55”,57”-60”60”-72”,Contrast Ratio,2000:1,3000:1,4000:1,5000:1,1080p,1080p(Full HD),4K x 2K,120/100 Hz,120/100 Hz,240 Hz,Ultra Slim,Ultra Slim,LED,Backlight,Eco/Green,Lower Power Consumption,Environmental Friendly,3D,3D,Low Cost,Monitor Panels,Lower Spec Panels(Brightness,etc.)for Emerging Countries,LCD TV,平板技术道路图,LCD TV,液晶背光趋势,Cost of LED TV are still expensive.,-TV makers think LED BLU should be under 1.2X price of conventional one.,-Technology side,improving LED luminous efficiency has higher priority.,Panel Makers are also implementing many High Transmittance technology,LCD TV,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%,10,8,6,4,2,0,LED TV,LED%,50%,40%,30%,20%,10%,0%,三星,LGE,SONE,SHARP,PHILIPS,TOSHIBA,Vizio,PANASONIC,CHINA,2010,年,LED TV,市场,LCD TV,基本结构,LCD TV,包括,:,主板、,PANEL,、升压板、电源板、按键板。,升压板,PANEL,及冷阴,极荧光管,主板及接口电路,CCFT,电源适配器,按键小板,视频信号,-DDC,接口,AC-IN 100V240V,机顶盒,/,光纤,LCD TV,基本结构框图,Video Filter,RGB,Panel Controller,(Scalar),Micro-controller,OSD,Frame Buffer,LCD Panel,CLK/CTL,18/36-bits,or 24/48-bits,Video Decoder,NTSC/PAL,S-Video,(Option),PFC+PWM,LVDS or Panel Link I/F,YPbPr,MUX,SW,DC-DC,Transformer,LCD TV Power consumption,25”30”:180W 200W,32”42”:200W 350W,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：,12V DC/3.5A,）给主板及升压板等模块供电。简单将,LCD TV,分为两大部分：电源部分和主板与控制部分。,LCD TV,基本结构,LCD TV,主电源,Output,Rectifier 1,Feedback,Block,PFC,Control IC,PWM,Control IC,Main,Switching,Block,PFC,Block,Bridge,Rectifier,Output,Rectifier 3,1824V,5V,MOSFET,6,00V/,8,00v Series,Diodes:FR107,LL4148,Bridge Rectifier,GBU8,X,GBU6,X,Schottky,Rectifier,100V Series 10A/20A,40V Series 7.5A,45V Series 15A,30V Series 3/6A,Regulator,LR7805,LR7812,Programmable,Shunt regulator,LR,431,A,LR431B,Output,Rectifier 2,12V,5Vsb,Output,Rectifier 4,Standby,Power,PFC Control IC,Main supplier:,ST,Fairchild,On,Sanken,Standby,Low power,For stand by,Power PWM,IC,MOSFET,PFC DIODE,PFC:600V fast,500V,Series recovery,diodes,PWM Control IC,Green model high,efficiency power IC,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,LCD Monitor,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。,LCD TV,电源,某,LCD,电源生产商电路图一,LCD TV,电源,某,LCD,电源生产商电路图二,LCD TV,电源,LCD TV,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。,LCD TV,主板及控制,LCD TV,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,Royer,Circuit,Controller,IC,MCU Input,Lamp,Half Bridge,/Push-pull,Circuit,Controller,IC,MCU Input,Buck-Royer Topology,Half-bridge/Push-Pull Topology,Controller,IC,Full Bridge,Circuit,MCU Input,Lamp,Full-Bridge Topology,Lamp,MOSFET,30V,/10A,MOSFET,40V,/10A,MOSFET,LL4148,MOSFET,40V,/10A,MOSFET,60V,/10A,MOSFET,60V,/10A,MOSFET,LL4148,MOSFET,30V,/10A,MOSFET,40V,/10A,MOSFET,60V,/10A,MOSFET,LL4148,LCD TV,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,。,型号,正向电流,反向电压,D3SB60,3A,600V,D5SB60,5A,600V,GBU6J,6A,600V,GBU8J,8A,600V,D15SB60,15A,600V,D15SB80,15A,800V,LCD TV,电源,电源上产品应用,IC,LCD TV,Device,Package,Description,Mode,IIB(,A,),DC Gain(dB),VOPMAX (,V),PSRR(dB),IIO(,nA,),VIO(mV),LR4558,SOP8/DIP8,High-Performance Op-Amp,30,100,18,76,5,2,LR324,SOP14/DIP14,Quad Op-Amp,45,100,15 or single 30,100,5,2,LR358,SOP-8/DIP-8,Dual Op-Amp,45,100,16 or single 32,100,3,2,LR393,SOP-8/DIP-8,Dual Comparator,25,106,18 or single 36,5,1,LR339,SOP-14/DIP-14,Quad Comparator,25,106,18 or single 36,5,2,产品应用,IC,LCD TV,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。,LRC,型号,反向电压,正向电流,T,RR,1N4007,1000V,1A,1N4936,400V,1A,150ns,1N4937,600V,1A,150ns,1N5406,600V,3A,FR107,100V,1A,500ns,FR207,1000V,2A,500ns,UF4007,1000V,1A,75ns,HER108,1000V,1A,70ns,HER303,200V,3A,50ns,