OEL之發(fā)展現(xiàn)況與趨勢(shì)ppt課件

1、OEL之發(fā)展現(xiàn)況與趨勢(shì)新興平面顯示器翰立光電 蔡君徽J(rèn)an. 17, 2001.Display-The interface between operator and machine.Classification of electronic displayElectronic displayProject typeDirect-view typeOff-screen typeCRTLight valve typeLCDDMDCRTFlat panelMonochromeColorCPTCMTLight-emitting typeNon-light-emitting typeLCDFEDFlat-

2、CRTELLEDPDPHead-up display.現(xiàn)行各類顯示器特性比較需求特性輕薄省電低價(jià)機(jī)動(dòng)大畫面高畫質(zhì)類別CRTxxDLCD(d)DLCD(p)DPDPDVFDDDELDDDDLEDDDDFED-D優(yōu) D x 劣D.Is there any room for a new display technology ？.有機(jī)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(jī)發(fā)光資料OLED, PLEDLCD.Characteristics of Organic LED DeviceLarg

3、e emitting areaLow drive voltage ( 10 lm/W)Flat panel FlexibleMulti-color (blue, green, red, white)Easy fabrication (vacuum evaporation, spin coating).Poly(phenylene-vinylene)Poly(fluorene)AlqOrganic EL-MaterialsPolymersSmall moleculesOLEDSolution castedVacuum sublimationDeposition techniqueNPBOLEDP

4、LED.maskEvaporator 1Indium-Tinoxide (ITO)0.1 mGlass, PETMaterialpurifySuccessive vacuum depositionof organic layersFabrication of OLEDsEncapsulationmaskEvaporator 2.maskThermal evaporatorIndium-Tinoxide (ITO)0.1 mGlass, PETFormulation of solutionFiltrationof solutionheatSuccessive depositionof organ

5、ic layersSpin-coating : Cost-efficient deposition techniqueFabrication of PLEDsEncapsulation.有機(jī)發(fā)光顯示器與同級(jí)產(chǎn)品比較.Characteristics of RGB emitter based on AlqsC.W. Tang, J. SID., 5/1,1997Color OLED.Sanyo and Estmam Kodak (May, 2000)Color OLED.Specification of Dot matrix display (OEL)Oct/2000.Color PLED.RED

6、Green (PPV)Blue (Poly(dioctylfluorene)PolyimideSiO2PEDT/PSSITORED:PPV/Rhodamin 101CathodeLayer structure of a multicolor LEP deviceF-8PPV/F8RPPV/F8400450500550600650700750Wave length nm20406080100120Picture image of the display with two transistor circuit and stacked layer structureActive Matrix PLE

7、D with Ink-Jet MethodColor PLED.Seiko-Epson and CDT Develop Worlds First Ink-Jet Printed Full Colour Light Emitting Polymer (LEP) Display (22 June 2000)IEDM 99Photoluminescence from pixels fabricated by Ink-jet deposition of three color poly-flurone materialsPicture image of the new color panel usin

8、g area ratio gray scale (4 levels for each color) and ink-jet deposition of three color materialsColor PLED.Polymer LED in Delta OptoelectronicsLicensed from Cambridge Display Technology (CDT),Strategic alliance with DOW ChemicalThin, flat and lightSelf-emittingHigh contrast ratioWide-view angleHigh

9、 efficiency.PLED Technology in DeltaTechnical Achievements Brightness：0 104 cd/m2 Operation temperature ：70 C Power consumption：0.1mW/mm2 (at 300 cd/m2) Low voltage operation：2.5V turn on Colors：Green、Red、Yellow、Blue Long Lifetime 10,000 hours .PLED ApplicationsCellular phonePDAGame setA/V displayIn

10、dicatorDynamic Information DisplayOthers.PLED & STNLCD Comparisonin Mobile Phone Application* : 25% of dots emit light* : Half brightness .PLED Production Capacity in DeltaNow : 1212 substrates 3,000 pcs/monthQ3/2001 : 14 14 substrates 30,000 pcs/monthQ2/2002 : 14 14 substrates 60,000 pcs/month. 2000 2001 2002PLED Devel