便携设备触摸屏技术发展从iPod到iPhone

WalkerMobile,LLC1TheFutureofMobileTouchWalkerMobile,LLCOctober2,2007WalkerMobile,LLC2Whatwasthemostimportanteventintouchinmobiledisplaysin2007?QuestionWalkerMobile,LLC3PhotoscourtesyofAppleAnswerTheAppleiPhone…andtheiPodtouchWalkerMobile,LLC4Why?™TheinnovativeuserinterfacechangedtheperceptionofthevalueoftouchšThehardwarebroughtprojected-capacitivetouchfromanicheintothemainstreamWalkerMobile,LLC5AQuickTripThroughTheFutureOfMobileTouchTThepast:Four-wireresistivetouchTThefuture:Projected-capacitivetouch)WhydidApplechooseit?)Howdoesitwork?)HowisitimplementedintheiPhone&iPod?)Whoarethecurrentsuppliers?)Whatdoesthefuturelooklike?WalkerMobile,LLC6ThePast:4-WireAnalogResistiveTDominanttouchtechnologyinmobiledevices™LowestcostšReadilyavailable(50+suppliers)›Finger&stylusœOthertechnologiesaren’tsuitableOProjectedcapacitive–fewsuppliers;nichepositioningOSurfacecapacitive–toosensitivetoEMIOInfrared–toomuchprojectionabovetouchsurfaceOSurfaceacousticwave(SAW)–toosensitivetocontaminationOOptical–doesn’tscaledowntomobilesize;toomuchprojectionOBendingwave–notavailableyetasacomponentOForce-sensing–notavailableyet;toosensitivetovibrationOIn-pixel–notavailableyet;light-sensingcauseslightlossPhotocourtesyofEELY(pre-iPhone)WalkerMobile,LLC76/29/07:Projected-CapacitiveTouchEntersTheMainstreamTWhydidApplechooseprojectedcapacitive?™Itsupportsmulti-touch(requiredbytheiPhone’suserinterface)OOnlyothercurrentmulti-touchtechnologiesareIR&opticalšIteliminatesresistive’stwoprimaryshortcomingsOPoordurability–PETplastictopsurfaceiseasilydamagedOLowopticalclarity–10%to20%lightloss›Ahigh-capacity(30Munits/year)supplierbecameavailableOTPK/Optera+BaldaœIt’saproventechnologyOSignature-capturePOSterminals,informationkiosks,outdoorATMs…ExtremeTouchfromTouchInternationalOmni7100MPDPaymentTerminalfromVerifoneWalkerMobile,LLC8HowTheiPhone’sProjected-CapacitiveTouchWorksWalkerMobile,LLC9HowTheiPhone’sMulti-TouchWorksRawdataincludingnoiseTouchregionsCoordinatesoftouchregionsFiltereddataGradientdataImagesfromApplePatentApplication#2006/0097991“10fingers,2palmsand3others”WalkerMobile,LLC10iPhoneTouchscreenPhotoscourtesyofPortelligent()Broadcom1st-generationtouchscreencontrollerTosensorTodigitalmainboard(Underside)NXP(Philips)ARM-7DSPShieldTosensorBackofLCD(Epson,Sharp,TMD)Topsurface(glass),sensor(glass)andLCDarelaminatedTosensorTouch-screencable&circuitWalkerMobile,LLC11iPodTouchTouchscreenPhotoscourtesyofiFixitLCD(notlaminated)Broadcom2nd-generationtouchcontroller(mayincludeDSP)TouchsensorcablesTouchscreen&WLANcircuitboards(stacked)Touch-screencabletomainboard(soldered)BatteryLCDcableTouchsensor(glass)&topsurface(glass)(laminated)WalkerMobile,LLC12Projected-CapacitiveITOSensorSuppliersTBalda/TPK/Optera–AppleiPhoneTSynaptics–LGPradaphoneTWintek–AppleiPodtouch®T3MFlexCapacitive–shipping750Ksensors/month(roll-to-rollproduction)TSharp–AppleiPhoneTOptrex–AppleiPhone®TInnolux–building$30Mproductionfacility(ship1Q08?)TTouchInternational–VerifonePOSpaymentterminalsTN-trig(dual-modetouch&pen)–newTabletPC(4Q)TOthers–e.g.,Sony®…®=RumorFlexCapacitivephotocourtesyof3MWalkerMobile,LLC13Projected-CapacitiveControllerSuppliersTBroadcom–AppleiPhone&iPodtouchTSynaptics–LGPradaphoneTWintek–unknownTElanMicroelectronics–unknown(Innoluxacquiring?®)TCypress(PSoC)–unknownTQuantum(QProx)–unknown®TN-trig(dual-modetouch&pen)–newTabletPC(4Q)®=RumorSynaptics’next-generationphoneconcept“Onyx”WalkerMobile,LLC14iSuppli’sForecast(6/07)MobilePhoneTouchTechnology200720082009201020112012ProjectedCapacitive(Munits)4.010.012.014.417.320.78%17%18%19%21%23%Resistive(Munits)46.049.054.358.262.065.792%82%80%78%76%73%Other(Munits)01.01.52.02.83.80%1%2%3%3%4%TotalMobilePhoneswithTouch50M60M68M75M82M90MProjectedCapacitiveTouchApplication/Market2007KUnits%2009KUnits%2012KUnits%MobilePhones4,00094.512,00097.420,73697.6Retail1202.81731.42991.4Industrial/Financial350.9460.4690.3Kiosk/POI360.9450.4630.3Medical/Healthcare203060.0Other400.9480.4640.3TotalProjectedCapacitive4,232100%12,315100%21,237100%TotalMarketforProjected-CapacitiveTouchTouchTechnologiesinMobilePhonesNoimpactoutsideofmobilephones1.5%marketpenetration6.5%marketpenetrationForecastfromiSuppli’s“TouchScreens:TheRightTouchforHighGrowth”report(2Q07)ResistivestilldominantWalkerMobile,LLC15StrategyAnalytics’Forecast(1/07)TIn2009…)187Mtotaltouch-screenmobilephones(16%ofallphones)O163M(87%)willhavecapacitivetouch-screensOfthe163M,115M(~70%)willbetouch-screen-only,while48M(~30%)willhavebothatouch-screenandakeypad36%marketpenetration;500Munits(41%total)14%marketpenetration;163Munits(16%total)ResistiveinsignificantWalkerMobile,LLC16WalkerMobile’sForecastMobilePhoneTouchTechnology200720082009ProjectedCapacitiveiPhone3M9M18MTop5OEMs12M25M50MOthers1M2M4MMobilePhoneswithProjectedCapacitive16M36M72MResistive45M50M45MMobilePhoneswithTouch61M86M117MPercentageofTotalMobilePhones5.8%7.7%9.9%iSuppli12M(1%)vs.StrategyAnalytics163M(14%)TouchTechnologiesinMobilePhonesiSuppli68Mvs.StrategyAnalytics187M(5.8%)(16%)WalkerMobile,LLC17WhyJustMobileP