LCD技术应用资料NT Pilot Part用薄膜Transistor形成的下部玻璃板和用Color Filter形成的上部玻璃板间铸入液晶，利用液晶特性得到影像效果的非发光媒介低耗能，携带性方便，技术含量高 附加价值高的Display媒介.TFT-LCD概念?(Thin Film Transistor Liquid Crystal Display)NT Pilot Part大型大型 MultiMediaMultiMediaMultiMediaMultiMedia 实现TFT-LCDTFT-LCDTFT-LCDTFT-LCDw 精良,低耗能w 完全平面,可以壁挂w 技术性产业w 大型,精良:容易携带,移动w 可以野外视听:利用低电压w 无危险w 可固定,平面化w 可壁挂w 大型, 精良 : 不便携带,移动w 不可野外视听w 危险度高w 可固定,平面化难w 不可壁挂GAPGAP消费者需求Braun管必要性NT Pilot PartTFT-LCD Module的结构阴极管涂光板FrameSolderingTCPPCB基板ACF平光板PanelPanelD-ICNT Pilot Part在电子枪发射电子 BEAM在BRAUN管里边荧光膜心成光.HEATER阴极 1阴极 2 3加速极 4GLASS电子束 真空 显示屏偏场部电子管部 (BraunBraun管管 : : 发光媒介光媒介) ) (TFT-LCD : (TFT-LCD : 非非发光媒介光媒介) )平光板下部玻璃基板平光板TFT+透明电极光源绿色光色光上部玻璃基板(COLOR FILTER)透明电极光(白色)液晶层动作原理作原理NT Pilot Part液晶 (Liquid Crystal) w Nematic Cholesteric Smectic F FF FnnnnnnDirectorTwistDisplay - -: : . .- - : : (LCD(LCD ) )- - . . .() . LCD 1) .2)UV() 3) -2070MNT QA Team IQC PartQuality isour Faith液晶分子 VLC= on液晶分子 VLC= off电极基板 偏光电极基板 NT Pilot PartTFT-LCD 结构Top ViewTop View31Cross ViewCross ViewPolarizerGlass C/FLC ITOITOGlassPolarizer ITO:Indium,Tin,Oxide 透明玻璃电极NT QA Team IQC PartTFTTRANSISTOR(MOS-FET)GATEVthDRAINSOURCEGATEDRAINSOURCEVth GATE (Vth) Drain Source SWITCHING Transistor TFTTFT? ? (Thin Film Transistor)(Thin Film Transistor)TFT TFT TFT TFT TFT SOURCEDRAINGATEMNT QA Team IQC PartTFT TFT Ohmic Contact(n+ a-Si)Passivation(SiNx)S(Cr)Active(a-Si)Gate(Al)Gate Insulator(SiNx)Pixel(ITO)D(Cr)MNT QA Team IQC PartQuality isour Faith (OFF) (ON) DISPLAY DISPLAY MNT QA Team IQC PartQuality isour FaithB BR RG G : : Color FilterDisplay Color , , w 3 (Red), (Green), (Blue) COLORColor Filter Delta Stripe Mosaic MNT QA Team IQC PartQuality isour Faith Filter : : MNT QA Team IQC PartQuality isour Faith : : Back LightCCFLCCFL LAMPLAMP(Cold Cathode Fluorescence Lamp)(Cold Cathode Fluorescence Lamp) 1000V 1000VLAMPLAMP .(.(10,00010,000) ) . . . . TFT-PANEL TFT-PANEL LAMPLCD PANEL( () )LAMPLCD PANELCASE , MNT QA Team IQC PartQuality isour Faith : : Drive ICTCP TYPE DRIVE ICTCP TYPE DRIVE IC(Tape Carrier Package)(Tape Carrier Package)PCB TFT-PANEL ICGATE DRIVE IC GATE DRIVE IC : Data Line TFT-PANEL GATE SOURCE DRIVE IC SOURCE DRIVE IC : TFT PANEL GATE ON SOURCE DRIVE ICDRIVE ICNT pilot PartTFT-LCD 工程简略图准准备玻璃基板玻璃基板准准备玻璃基板玻璃基板TFT TFT 制作制作Color Filter Color Filter 制作制作LCD LCD 制作制作Module Module 制作制作MNT QA Team IQC Partw TFTTFT工程工程 : 增贴(Deposition)及 照片视觉(Photolithography), 视觉(Etching)工程反复进行 在玻璃基板上测排列薄膜三极管 的工程w LCDLCD工程工程 : TFT 工程结束的玻璃基板和 Color Filter工程结束的工程 LCD Cell w ModuleModule : , TFT-LCD Panel Module MNT QA Team IQC PartQuality isour Faith . . Process ProcessDepositionCleaningPhotolithographyEtchStripCrSiNx / ia-Si / n+ a-SiITOCr / AlSiNxC 1C 2C 3C 5mask #1mask #2mask #3mask #5mask #6ITOCr / AlSiNxi, n+n+S 1S 2S 3S 4S 5CrC 4SiNxmask #4S 6TFT MNT QA Team IQC PartQuality isour Faith. . 1. Gate Pattern1. Gate PatternGateGlass P/L Gate Gate LineGlassGateInsulatorGlassGateInsulatorGlassActData PadGatePadGlassGate LineInsulatorGate Metal 2. 2. 3. Insulater Pattern3. Insulater Pattern Gate Line 4. Active Pattern4. Active Patterna-Si Photolithography Gate 5. Pad 5. Pad Pad P/L Etching6. Pixel Pattern6. Pixel Pattern ITO Photolithography Pixel GateGateInsulatorGlassActPixelPixel Depo P/L S/D Data Line7. Source/Drain 7. Source/Drain 8. Passivation8. Passivation Active Passivation GateInsulatorGlassActPixelPixelS SD DGateInsulatorGlassActPixelPixelS SD DPassivationPassivationMNT QA Team IQC PartQuality isour FaithLCD . . Process ProcessTFT array Color Filter / Seal / SpacerAssembly / End seal , , Module MNT QA Team IQC PartQuality isour Faith. . 1. 2. Rubbing3. Seal / Ag 4. Spacer .Roller Rubbing Roll 5. / 6. Cell Scribe, Cell Spacer Spacer Pattern Screen Mask Screen , , X-Y Robot Ag Paste DispensingSeal Spacer , / , 7. 8. Dispaly : Cell : Cell Gap MNT QA Team IQC PartQuality isour FaithModule . . Process ProcessPanel TCP ACF Punching (Align) TAB PCB AssemblySoldering / Aging NT Pilot Part. . 各工程各工程详细顺序序图工程名工程图工程概要工程名工程图工程概要1.Panel入库2.Panel Brush, , Panel Particle 3. 附着平光板 Film Panel / +4. TAB 附着TAB Panel Assy TAB /ACF (60, 5kg/)5. / 6. TAB 检查 Panel,TAB7. SMDPCB 8. PCB PCB PAD TAB PANEL PAD ACF Bonding Solder 工程名工程图工程概要9. 组装Panel B/light Assy,Case10. 调整检查 Chamber 11.AGING12. Panel Assy 13.1.Line DefectS-1S-8G-61.DIMDetail of “A”Driver IC1) TCP Crack : Driver IC Lead Crack . LCD TCP Vivid LCD Vivid TCP Task Team .Crack2) Short : Short. Quality isour FaithMNT QA Team IQC Part2. 2. Scribe PCM min 30 pattern edge lead leakage Leakage LeadBumperICNew TCP 1.Vcom (LCD Aging 6Hrs)2.VIVID: SPEC :500 NG :50 NG 3.1.Rainbow2. Panel LInk Receive Controller IC sync Receive Detect Controller .Sil201B Shock .PCB Bonding panel Damage . Quality isour FaithMNT QA Team IQC Part3. 1) 1) Short Short Source Source Connector Connector Source PCB Source PCB ( ( Source PCB Source PCB ) ) Tape Tape 2) Source PCB 2) Source PCB , Ground , Ground . . 1. Tiger 2. 1. Glass .2. Cell Gap .3. 1. Glass Glass Maker 2. Cell Gap 1) Cell Gap Cell Gap() (sec)TFTCFSpacer (3%)TFTCFSpacer ()TFTCFSpacerPolarizer Cylinder PlateTFTCF2) Module Polarizer Cylinder . 1. 2. Photo (Photo ) Photo Distortion Data PixelLateral Field .DataPixelLateral Field1. 3.Glass Stress .Stressed area Glass 4 Cell AC Cell . .AAA AABCD1) . - : Stress Aging .2) Size . - . ( 21%, 11%)3) - : TFT Color Filter .TFT2. Quality isour FaithMNT QA Team IQC Part3. : Source /Drain (Data) Pixel Photo : Photo Distortion