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Organic Light Emitting Diode (OLED)
HIL : Hole Injection Layer EML : Emissive Layer HTL : Hole Transport Layer ETL : Electron Transport Layer EIL : Electron Injection Layer
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Organic Light Emitting Diode (OLED)
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Organic Light Emitting Diode (OLED)
1987 Kodak Double-layer device 1988 Kodak Doping technology 1990 Cambridge ITO/PPV/Al 1991 Pioneer Quinacridone doping Asahi Chemical Doped polymer Pioneer Al/Li cathode (Uniax) PET/PANI/MEH-PPV/Ca 1993 Osaka Star-burst molecule Itemistu-K CCM MCC HTL doping TDK Poly-Si TFT Kodak Ultra-thin LiF layer at cathode interface Philips PEDOT/PSS buffer Princeton U SOLED Seiko-Epson Ink-Jet Princeton U. Triplet Sanyo-Kodak Seiko-Epson Ink-Jet full color Yamagata U. Triplet : 46 lm/W 2001 Sony 13” full color OLED with TFT
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Electronic States in Molecules
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Electronic Structure of Organic Semiconductor
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Basic Quantum Mechanics
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The πElectron as a Particle in a Box
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The πElectron as a Particle in a Box
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Electronic Structure of Organic Semiconductor
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Electronic States of Organic Semiconductor
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Electronic States of Organic Semiconductor
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Electronic States of Organic Semiconductor
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Electronic States of Organic Semiconductor
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Electronic States of Organic Semiconductor
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Electronic States of Organic Semiconductor
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Electronic States of Organic Semiconductor
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Singlet and Triplet States
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The H2 Molecule : Singlet and Triplet States
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Luminescence in Molecules and Crystals
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Luminescence in Molecules and Crystals
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Radiative Transitions - Efficiency
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Radiative Transitions - Efficiency
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Optical Spectra in Molecular Solids
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Rotations and Vibrations
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Vibrations
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Einstein Transition Probabilities
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Einstein Transition Probabilities
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Moments of Inertia of Differently Shaped Molecules
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Electronic Transitions in Molecules
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Examples of Molecular Absorption & Luminescence
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Electronic Processes in Molecules
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Combinations of Two Fermions
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Born-Oppenheimer Approximation
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Born-Oppenheimer Approximation (cont.)
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Generation of Excitons
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Semiconductors – Carrier Generation
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Emission Efficiency - External
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Electronic Processes in Molecules
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Effect of Dopants on Luminescence Spectrum
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Nonradiative Energy Transfer
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Radiative Energy Transfer
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Förster Transfer – Rate Equations
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Dexter Transfer
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Dexter Transfer
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Nonradiative Energy Transfer
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Diffusion of Excitons
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Luminous Efficiency of Luminescent Sources
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Electroluminescence
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