Oled Display & Lighting

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This presentation used for employee orientation for basic understanding of OLED display & Lighting

Text of Oled Display & Lighting

  • 1. EL? OLED-Organic Light Emitting Diode () . ( ) (Electron) (Hole) (Exciton) (Ground state) . OLED , , (Liquid Crystal) .
  • 2. OLED 1950 1963 Pope Anthracene 1987 Eastman-Kodak Chin Tan, Van Slyke (Alq3), (TPD) , 1990 OLED PPV (Poly p-phenylene Vinylene) EL
  • 3. OLED , OLED , , OLED OLED SOLED (Stacked OLED), TOLED (transparent OLED), FOLED(flexible OLED) .
  • 4. OLED : C/F B/L : : >160 : ~1 / : :
  • 5. OLED (, ) ( , ) , Electron Hole Electron-Hole
  • 6. OLED
  • 7. OLED -: , , Hole , Hole .
  • 8. OLED 5% 20% OLED (PM) (AM) TFT(Thin Film Transistor)
  • 9. OLED Substrate (OLED -, , ) Organic Layer: Conducting Layer- . Polyaniline Emissive Layer . Polyfluorene Cathode OLED -
  • 10. OLED
  • 11. OLED (-) (ETL) , Hole(+, ) (HTL) . (Exciton) , .
  • 12. OLED , R,G,B Full Color . Pixel LCD .
  • 13. OLED Anode Cathode HTL (HIL) ETL (EJL) EML: DopingHigh Work func Low Work Func HOMO Level LOMO Level TBAITO.ZnO Mg:Ag CuPc Alq3 Alq3Au,Pt,p-Si Li:Ai TDATA,TCTA PBD EmittingVox Ca TPD Spiro-PBD assistantMoO NPD
  • 14. (EML) : RGB : , Dopping System : Host Dopant (HIL) - (ITO:indium tin oxide) (HTL) - ( ) - ( ) (ETL) - ( ) - ( )
  • 15. B G Y Or R (Rj)m stability Alq-family Kodak (Ri)n N L CH 3 O 2 O N Host TDK Al O N O Ga N N O N DPVBi O red shift N O O Al modified Alq N Idemitsu N O CH 3 Gaq CH 3 MCC Novel Host MCC Novel Host efficiency efficiency Quinacridone O H color purity color purity N CH 3O H O S N S N perylene Kodak H ODopant Pioneer ABTX distyrylbiphenyl O improving BTX O CH CH MCC NC CN rubrene MCC N O t-Bu C2H 5 Idemitsu 2 DPT MCC for white N DCJTB MCC: developing MCC Kodak
  • 16.
  • 17. OLED Plasma Treatment [] , RF / [] , [] ITO Work Function OLED .
  • 18. OLED - UV Cleaning [] , [] , UV []
  • 19. OLED -Thermal Evaporation [] [] , RGB dopant, CuPc a-NPD, LiF, Al [] Metal
  • 20. OLED -E-Beam Evaporation [] [] LiF, Al [] Metal
  • 21. OLED -
  • 22. OLED -
  • 23. OLED -EL . EL EastmanKodak . .
  • 24. OLED - Cathode (Al) Electron Transfer Layer LiF Emissive LayerOLED Hole Transfer Layer Hole Injection Layer Thermal Anode (ITO)