High efficiency white organic light emitting diodes combining fluorescent and phosphorescent emitter systems

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 6192, Issue , 2006, Pages

  Schwartz, Gregor ^a   Walzer, Karsten ^a   Pfeiffer, Martin ^a   Leo, Karl ^a  

^a DRESDEN UNIVERSITY OF TECHNOLOGY   (Germany)

Author keywords

Electrical doping; Fluorescence; High power efficiency; Phosphorescence; PIN; White OLED

Indexed keywords

CHARGE TRANSFER; DOPING (ADDITIVES); FLUORESCENCE; LIGHT EMISSION; PHOSPHORESCENCE; QUENCHING;

ELECTRICAL DOPING; HIGH POWER EFFICIENCY; PIN; WHITE OLED;

LIGHT EMITTING DIODES;

EID: 33746751507     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.660524     Document Type: Conference Paper

References (8)

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2. D. Gebeyehu, K. Walzer, G. He, M. Pfeiffer, K. Leo, J. Brandt, A. Gerhardt, and H. Vestweber, "Highly efficient deep-blue organic light emitting diodes with doped transport layers," Synth. Met. 148, p. 205, 2005.
3. J. Birnstock, M. Hofmann, S. Murano, M. Vehse, J. Blochwitz-Nimoth, Q. Huang, G. He, M. Pfeiffer, and K. Leo, "Novel OLEDs for full color displays with highest power efficiencies and long lifetime," SID 05 DIGEST, p. 40, 2005.
4. B. W. D'Andrade, M. E. Thomson, and S. R. Forrest, "Controlling exciton diffusion in multilayer white phosphorescent organic light emitting devices," Adv. Mater. 14, p. 147, 2002.
5. S. Tokito, T. lijima, T. Tsuzuki, and F. Sato, "High-efficiency white phosphorescent organic light-emitting devices with greenish-blue and red-emitting layers," Appl. Phys. Lett. 83, p. 2459, 2003.
6. J. Blochwitz, T. Fritz, M. Pfeiffer, K. Leo, D. M. Alloway, P. A. Lee, and N. R. Armstrong, "Interface electronic structures of controlled doped organic semiconductors," Organic Electronics 2, p. 97, 2001.
7. M. Pfeiffer, S. R. Forrest, K. Leo, and M. E. Thompson, "Electrophosphorescent p-i-n organic light-emitting devices for very-high-efficiency flat-panel displays," Adv. Mater. 14, p. 1633, 2002.
8. G. Schwartz, K. Fehse, M. Pfeiffer, K. Walzer, and K. Leo, "Highly efficient white organic light emitting diodes comprising an interlayer to separate fluorescent and phosphorescent regions," submitted.