Al2O3/ZrO2multi-layers are used to encapsulate organic light emitting diodes (OLEDs). OLED lifetimes of more than 20,000 h are achieved. For top-emitting OLEDs, the encapsulation layer increases the external quantum efficiency by more than 40%.
© 2010 The Optical Society
T. Riedl, J. Meyer, H. Schmidt, T. Winkler, and W. Kowalsky, "Thin Film Encapsulation of Top-Emitting OLEDs Using Atomic Layer Deposition," in Advanced Photonics and Renewable Energy, OSA Technical Digest (CD) (Optical Society of America, 2010), paper SOWB5.
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