We demonstrate two approaches to significantly enhance the outcoupling in organic light emitting diodes. Nanostructures in combination with a microlens array or spherical texturing lead to efficiency enhancement factors of ~4 and ~3.7, respectively.
© 2012 OSA
T. Bocksrocker, C. Eschenbaum, J. B. Preinfalk, J. Hoffmann, J. Asche-Tauscher, F. Maier-Flaig, and U. Lemmer, "Novel nano- and micro-textures for highly efficient outcoupling in white organic light emitting diodes," in Renewable Energy and the Environment Optics and Photonics Congress, OSA Technical Digest (online) (Optical Society of America, 2012), paper LM3A.4.
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