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Yesterday and TodayCNT-FEDPartIYesterdayandTodayOutlineforCNT-FEDPartI1.Introduction-CNT&Application-DependingChampion:LCD-QuickreviewforFED2.TechnologyforFED&CNT2.1FEDdevelopment-fromCRTtoFED-PixelcontrolinFED-FEDhistory-Performancecompetition2.2BLU(BackLightUnit)-LocalDimming-...

Yesterday and Today
CNT-FEDPartIYesterdayandTodayOutlineforCNT-FEDPartI1.Introduction-CNT&Application-DependingChampion:LCD-QuickreviewforFED2.TechnologyforFED&CNT2.1FEDdevelopment-fromCRTtoFED-PixelcontrolinFED-FEDhistory-Performancecompetition2.2BLU(BackLightUnit)-LocalDimming-LCDvsBLU2.3CNTmerit-ThetechnologyforCNTemitter-IssuesinCNTemitter-Commonissue3.Summaryhttp://www.fsgsg1688.com涂塑钢管钢塑复合管衬塑复合管衬塑钢管钢塑管http://www.u51688.comhttp://www.qiwhy.comRoadmapRoadmapPartIII:Application&marketingstrategy*Targetapplication(HUD)*Marketingstrategy*BusinessPlanPartI:YesterdayandToday*DisplaytechnologysummaryCRTLCDFED*CurrentCNTFEDtechnologyandlimitationPartII:Newtechnology*AM(Activematrix)CNT-FED*TransparentCNT-FEDforHUD(Headupdisplay)Outline1.Introduction-CNT&Application-DependingChampion:LCD-QuickreviewforFED2.TechnologyforFED&CNT2.1FEDdevelopment-fromCRTtoFED-PixelcontrolinFED-FEDhistory-Performancecompetition2.2BLU(BackLightUnit)-LocalDimming-LCDvsBLU2.3CNTmerit-ThetechnologyforCNTemitter-IssuesinCNTemitter-Commonissue3.Summary1.Introduction-CNT-Single-walledCNTDouble-walledCNTMultiwalledCNTDiameter:1/100,000ofahair(1-100nm)Thermalconductivity:10timesofdiamondStrength:morethan2timesofspider’sthreadUltrahighcurrentdensities:1010A/cm2(Cu:107A/cm2)ApplicationDependingChampioninFlatDisplay:LCDLCDCRTWhoisNext?QuickreviewforFEDWhyFED!*lowpower(30~50%ofLCD,PDP)*veryhighcontrastlevel*lightweight(comparedtoLCD)*veryslim(comparedtoLCD)*beabletomakeupforlosspixeldreamofdisplay!!FED:FieldEmissionDisplayOutline1.Introduction-CNT&Application-DependingChampion:LCD-QuickreviewforFED2.TechnologyforFED&CNT2.1FEDdevelopment-fromCRTtoFED-PixelcontrolinFED-FEDhistory-Performancecompetition2.2BLU(BackLightUnit)-LocalDimming-LCDvsBLU2.3CNTmerit-ThetechnologyforCNTemitter-IssuesinCNTemitter-Commonissue3.Summary2.TechnologyforFED&CNTfromCRTtoFED:CRT*CRTadvantage-highcontrastlevels-veryfastresponsetimesNowdisappear…BecauseofThickness&Power*CRToperationPoweredbyanelectrongunThermionicemission(Boiling"themoffametalfilament)ScannedacrossthescreenfromCRTtoFED:FEDstructure*Maindifference:Manyelectronguns:Sharptip:FieldemissionThermionicemissionvsFieldemission(FED)*Emitter:fieldelectronsources toprovideelectronsstrikecolored phosphor produceacolorimage.*Inordertomaximizeperformance:CarbonNanotube(CNT)technologycones(Spindttip)NormalBadPixelBadPixelinLCDComputerSyntheticbeautyBadPixelinLCDPixelcontrolinFEDTechnicalAdvantage:increaseyield(reducethepixelloss)Sotinyandmanytips:insomepixelsbeinginoperablefindthedeademitterscorrectedbyslightlyincreasingthepulse(makeupfortheloss)FEDhistory1991FEDsystemsstarted1997200020032004spindttypewasresearchedMicrotipFullcolorFEDCNTFED-38”CNTFEDTV~NowCNTBLUPrepareCNTFEDmassproduction:ButnotyetPerformancecompetition•HighContrast•WideViewingAngle•HighResolution•ColorGamut•FastResponse•Resolution•EnergySavingTheperformanceshouldbesatisfiedtobeafutureFPDTV.Majorrequirement○◎★PowerConsumption☆○★Responsetime☆○★Viewangle☆☆☆Grayscale○★☆Resolution★★★Colorgamut★☆☆BrightnessUniformity★★★Weight☆☆★Contrast☆☆☆BrightnessPDPLCDFEDITEM★:Excellent☆:VeryGood◎:Good○:IntermediateOutline1.Introduction-CNT&Application-DependingChampion:LCD-QuickreviewforFED2.TechnologyforFED&CNT2.1FEDdevelopment-fromCRTtoFED-PixelcontrolinFED-FEDhistory-Performancecompetition2.2BLU(BackLightUnit)-LocalDimming-LCDvsBLU2.3CNTmerit-ThetechnologyforCNTemitter-IssuesinCNTemitter-Commonissue3.Summary2.2BLU(BackLightUnit)TheadvantageofLCD+FEDBacklightUsetheCurrentLCDtechnolgy:Colorgamut&UniformityUsethelightsourceinFED:Brightness&EfficiencyLocalDimmingLCDvsBLUFastmotionBlinkingBLUDynamicBLUCNTisusedforanelectronemitterinbothCNT-FEDandCNT-BLUwithmanycommontechnologies.NaturalcolorLocalDimmingOutline1.Introduction-CNT&Application-DependingChampion:LCD-QuickreviewforFED2.TechnologyforFED&CNT2.1FEDdevelopment-fromCRTtoFED-PixelcontrolinFED-FEDhistory-Performancecompetition2.2BLU(BackLightUnit)-LocalDimming-LCDvsBLU2.3CNTmerit-ThetechnologyforCNTemitter-IssuesinCNTemitter-Commonissue3.Summary2.3CNTmeritCNTs1>Smalltipradius:Theefficiencyofthefieldemitters2>Highaspectratio3>HighconductivityMaterialsandDesign28(2007)ThetechnologyforCNTemitterPasteemitterDirectlygrownemitterLowcost/LargeareacatalystdotPECVDUniformCNTlength/PossibilityforhigherresolutionFED*Catalystcontrol*Precursorcontrol>5nm@450CDiameterdecreaseRawCNTcontrol>70%(1-σ/μ)EmitterlengthuniformityPasteemitterCollaborationwithmachinemaker>40”LargeareadepositionsystemdevelopmentDirectlygrownemitter(CVD)PastecompositionminimizedResidualApproachTargetIssuesEmittertypeIssuesinCNTemitterCommonissue*Anodescreenoptimization*Cathodeemissionfillfactorimprovement*Operationconditionoptimization60~70lm/WBrightnessefficiency*userigidCNTs*Operationconditionoptimization30,000hrLifetimeChargedrainstructure10~15kVHighvoltagestabilityTechnologyTargetvalueDueto-Inter-pixeluniformity-LifetimeOutline1.Introduction-CNT&Application-DependingChampion:LCD-QuickreviewforFED2.TechnologyforFED&CNT2.1FEDdevelopment-fromCRTtoFED-PixelcontrolinFED-FEDhistory-Performancecompetition2.2BLU(BackLightUnit)-LocalDimming-LCDvsBLU2.3CNTmerit-ThetechnologyforCNTemitter-IssuesinCNTemitter-Commonissue3.SummarySummaryforPartI◆CNTFEDpicturequalityisquitecomparabletoconventionalLCDorPDPdevice◆CNTBacklighthavesuperiorcapacitytoexpresshighimagequalitysuchashighcontrastandlowpowerconsumption◆CNTismostpromisingmaterialforFED◆Therestillremainsomeobstacles:Highvoltagestability,Lifetime,Uniformfabrication,LargeareaprocessCNT-FEDPartIINewTechnologyforCNT-FEDMinHeeCho,ChanghwanShin,WookhyunKwonOutline1.NewapproachforthecurrentCNT-FED:AM(Active-Matrix)CNT-FED2.TransparentCNT-FEDforHUD:SWNT-SOGcompositefortransparentFEDOutline1.NewapproachforthecurrentCNT-FED:AM(Active-Matrix)CNT-FED2.TransparentCNT-FEDforHUD:SWNT-SOGcompositefortransparentFEDCurrentCNT-FEDWhyCNT?nano-sizetip,high-aspect-ratio,highstabilityidealfield-emissionmaterial2.CurrentCNTemitterstructuresSpindt-typeCNTemitterfabricatedbypastemethodUnder-gate-typeCNTemitterfabricatedbypastemethodTechnicalIssues#0:nohigh-efficientlow-voltagephosphoracceleratingvoltage>7kV;spacercharge#1:noidealtriodeemitterstructure#2:hardtoimplementinter-pixeluniformity#3:Lifetimeisnotguaranteed(duetoheat)Alternativetechnology:fabricationOtherissues:1)DifficultytoimplementtheidealtriodestructurewithCNT2)Spacer;highacceleratingvoltagerequired.NewapproachforthecurrentCNT-FED:AM(Active-Matrix)-CNT-FEDAM-CNTFEDpanelview(top),anditscross-sectionalview(bottom)AM-CNTFEDpanelview(top),anditscross-sectionalview(bottom)Amorphous-siliconTFT(a-SiTFT)usedfortheswitchingdeviceinLCDisutilizedtocontroltheCNTemittersintheAM-CNTFED.-a-SITFTintegratedwiththecathode-plate;AddressTFT&DriverTFTsTMG;gatingtoinduceelectric-fieldemissionandpreventanode’selectric-field,integratinge-beamsAnodeplatewithR/G/Bphosphor,andSpacerssupportingvacuum-packedemitters-OperatingVDDonlydependsonTFTcharacteristics,duetosignalinputsonG/SoftheTFTsTaperedMacro-GatePossibilityoftheAM-CNTFEDLuminescencevs.anodevoltageattheTMG-CNTemitterNohigh-efficientlow-voltagephosphorAcceleratingvoltage(>7kV)required.Alternative:TMGcanobtaintherequiredacceleratingvoltageoftheanode.Emittede-beamscanbeintegratedattheanode’sphosphorbyTMGPreventcross-talkTransfer(top)andoutput(bottom)characteristicoftheseries-connecteda-SiTFTLowIOFFathigherVDSSaturationregion>150V;lessσ(Iop)uniformityOutline1.NewapproachforthecurrentCNT-FED:AM(Active-Matrix)CNT-FED2.TransparentCNT-FEDforHUD:SWNT-SOGcompositefortransparentFEDTransparentCNT-FEDFlowchartoffabricationprocessforthetransparentCNT-FETbasedonacompositeofSWNTandSOG.Tin-oxide-coatedglass**ArcdischargemethodtosynthesizeSWNTCleaningTin-Oxide-coatedglasssubstrateusedtosynthesizetheSWNTTheSWNTfilmwaspurified,byethanoltreatment,toincreasetheadhesionofSWNTswiththesubstrate.TheSWNTfilmwasoxidized,toburnoutamorphouscarbonandoxidizethemetalcatalyst.ThepurifiedSWNTfilmspincoatedwithSOGsolution,thenheatedtoremovemoistureandsolvent.ThefilmwasexposedoutofSOGbyetchingthetopsurfaceofthecompositefilmindilutedHFsolution.Summary-AM-CNT-FEDcanovercomethecurrentCNT-FEDtechnicalissues.-TransparentCNT-FEDcanbefabricatedcheaplyanddemonstrated.Reference[1]ETRIannualresearchreport[2]NguyenV.Quyetal.,“SWNT-SOGcompositefortransparentfieldemissiondevice,”JournalofCrystalGrowth,Sep.2008.CNT-FEDPartIIIApplicationsandMarketingStrategyMinHeeCho,ChanghwanShin,WookhyunKwonOutlineApplicationsCNTHead-upDisplay(HUD)MarketingStrategyforCNT-HUDMarketSizeTargetCustomersSWOTAnalysisInvestmentConclusionMin.$1millionMin.$10million(CMO:$19.4million)Min.$100million(Samsung:$840million)InvestmentHightransparencyLowcostBrightnessLowpowerHighqualityimageHighspeedresponseRequirementNicheLargeLargestsinglemarketMarketSizeLaserhologramLEDprojectionCCFLLEDLCDPDPCompetitorSmallmarketsizeCompetitiveHighlycompetitiveRiskHead-UpDisplay(H.U.D.)BackLightUnitFlatPanelDisplayApplicationTargetApplicationOlderHead-UpDisplayMajortechnologiesLaserHologramMilitaryandCivilianAircraftHead-UpDisplayAutomobileHUDinBMW7seriesMountedonthedashboardProjectinginformationontothewindshieldAvailableonlyforluxurycarsMajortechnologiesTFT-LCDprojectionLEDprojectionDrawbacksofOldTechnologiesLaserHologramDashboardProjectionLimitedfunctionalityLackofclarityInsufficientbrightness“ThefirstHUDs,failedtowowtheconsumerashoped.”“Solid-stateelectronicsnewtoHUDhaveproduceddramaticimprovement”MoreclarityMorecolorBrighterdisplayCNT-FEDtechnologycanprovideTransparencyHigherbrightnessClarityFunctionalityCNT-FEDtechnologyforHUD200%lighterandsmallerSupportTVlikeimagesEnhancepilotcomfort–Increasedheadclearance–Increasedvolumeofheadmotionbox–Pilot’sheadcan’tobscureimageAdvancedHUDinAirplaneTelemetricDisplaycanprovideanintelligentdrivingexperience!TrafficinformationNavigationVideophoneSafetywarningHUDinEntireFrontWindshieldofCarMarketSizeHUDMarkettoreach$400millionby2012EETimes(21/Jun/2007)AnewresearchbrieffromABIResearchhaspredictedthathead-updisplay(HUD)solutionsthatdisplaykeyinformationinthedriver'slineofsight,reducingtheneedtolookawayfromtheroadahead,willcompriseaRs.1,634.67crore($400million)marketby2012.TheHUDsolutionaddressesraisedconcernsrelatedtoassortmentofapplicationsintoday'scars,fromnavigationtoinformationandentertainmentthatpullsthedriver'sattentionawayfromthebasictaskofdriving.DemandforautomobileHUDisrapidlygrowing.Therealmarketexceedstheexpectation.CompetitorsTargetCustomersAirplaneMakersAutomotiveComponentSuppliersS.W.O.T.AnalysisTransparencyHigherbrightnessCRTlikeimagesWEAKNESSSmallmarketsizeReliabilityandLifetimeYieldAM-CNTtechnologyOPPORTUNITYGrowingmarketFewcompetitorsHighpricemarketAirplaneLuxurycarTHREATOldsolutionprovidersLaserhologramProjectionMajorcompanyPatentprotectionI.P.providerSTRENTHDevelopmentPlane(PhaseI)PatentsProto-typePromotion2ndInvestmentfromBuyers1stInvestment(SeedMoney)+$1000K(1M)10patentsx$30K=-$300K-$600K-$100K>$20MConclusionCNT-FEDispromisingtechnologyforfuturedisplay,butthishaslimitationsToovercometheselimitation,weintroduceAM-CNT-FED.Togetproductdifferentiation,weintroducetransparentdisplay.HUDapplicationisgoodtargetmarkettoavoidhighrisksatthebeggingstage.Wearefindingangelswhoinvestseedmoney!
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