OEL之發(fā)展現(xiàn)況與趨勢

OEL之發(fā)展現(xiàn)況與趨勢新興平面顯示器翰立光電蔡君徽Jan.17,2001Display-TheinterfacebetweenoperatorandmachineClassificationofelectronicdisplayElectronicdisplayProjecttypeDirect-viewtypeOff-screentypeCRTLightvalvetypeLCDDMDCRTFlatpanelMonochromeColorCPTCMTLight-emittingtypeNon-light-emittingtypeLCDFEDFlat-CRTELLEDPDPHead-updisplay現(xiàn)行各類顯示器特性比較需求特性輕薄省電低價機動大畫面高畫質(zhì)類別CRTxx¤D¤¤LCD(d)¤¤?¤D¤LCD(p)¤¤D¤¤¤PDP?D??¤?VFD????DDELD?D??DDLED??DD¤DFED¤?-¤D¤優(yōu)

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¤>?>D>x?劣DIsthereanyroomforanewdisplaytechnology？？？？？有機發(fā)光顯示器（OLED,PLED）OLED與LCD結(jié)構(gòu)比較玻璃基版玻璃基版I，II透明電極透明電極II透明電極I金屬電極偏極板II偏極板I彩色濾光膜有機發(fā)光材料OLED,PLEDLCDCharacteristicsofOrganicLEDDeviceLargeemittingareaLowdrivevoltage(<10V)Fastresponsetime(nsec)Highbrightness(100,000cd/m2)Highluminanceefficiency(>10lm/W)FlatpanelFlexibleMulti-color(blue,green,red,white)Easyfabrication(vacuumevaporation,spincoating)Poly(phenylene-vinylene)Poly(fluorene)AlqOrganicEL-MaterialsPolymersSmallmoleculesOLEDSolutioncastedVacuumsublimationDepositiontechniqueNPBOLEDPLEDmaskEvaporator1Indium-Tinoxide(ITO)0.1μmGlass,PETMaterialpurifySuccessivevacuumdeposition

oforganiclayersFabricationofOLEDsEncapsulationmaskEvaporator2maskThermalevaporatorIndium-Tinoxide(ITO)0.1μμmGlass,PETFormulationofsolutionFiltrationofsolutionheatSuccessivedepositionoforganiclayersSpin-coating:Cost-efficientdepositiontechniqueFabricationofPLEDsEncapsulation有機發(fā)發(fā)光顯顯示器器與同同級產(chǎn)產(chǎn)品比比較CharacteristicsofRGBemitterbasedonAlqsC.W.Tang,J.SID.,5/1,1997ColorOLEDSanyoandEstmamKodak(May,2000)ColorOLEDSpecificationofDotmatrixdisplay(OEL)Oct/2000ColorPLEDREDGreen(PPV)Blue(Poly(dioctylfluorene))PolyimideSiO2PEDT/PSSITORED:PPV/Rhodamin101CathodeLayerstructureofamulticolorLEPdeviceF-8PPV/F8RPPV/F8400450500550600650700750Wavelengthnm20406080100120PictureimageofthedisplaywithtwotransistorcircuitandstackedlayerstructureActiveMatrixPLEDwithInk-JetMethodColorPLEDSeiko-EpsonandCDTDevelopWorld’sFirstInk-JetPrintedFullColourLightEmittingPolymer(LEP)Display(22June2000)IEDM‘‘99PhotoluminescencefrompixelsfabricatedbyInk-jetdepositionofthreecolorpoly-fluronematerialsPictureimageofthenewcolorpanelusingarearatiograyscale(4levelsforeachcolor)andink-jetdepositionofthreecolormaterialsColorPLEDPolymerLEDinDeltaOptoelectronicsLicensedfromCambridgeDisplayTechnology(CDT),StrategicalliancewithDOWChemicalThin,flatandlightSelf-emittingHighcontrastratioWide-viewangleHighefficiencyPLEDTechnologyinDeltaTechnicalAchievementsBrightness：：0––104cd/m2Operationtemperature：：>70ooCPowerconsumption：0.1mW/mm2(at300cd/m2)Lowvoltageoperation：2.5VturnonColors：：Green、Red、Yellow、、BlueLongLifetime>10,000hoursPLEDApplicationsCellularphonePDAGamesetA/VdisplayIndicatorDynamicInformationDisplayOthersPLED&STNLCDComparisoninMobilePhoneApplication*:25%ofdotsemitlight**:HalfbrightnessPLEDProductionCapacityinDeltaNow:12””12””substrates3,000pcs/monthQ3/2001:14””14””substrates30,000pcs/monthQ2/2002:14””14””substrates60,000pcs/month200020012002PLEDDevelopRoadMapinDelta