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Enhanced light coupling of white organic LED using sub-anode high index grids

: Michaelis, D.; Wächter, C.A.; Wehlus, T.; Rausch, A.; Fuchs, F.; Stürzebecher, L.; Harzendorf, T.; Danz, N.; Bräuer, A.


Optical Society of America -OSA-, Washington/D.C.:
Solid-State Lighting : Part of Light, Energy and the Environment; 14-17 November 2016, Leipzig, Germany
Washington, DC: OSA, 2016 (OSA Technical digest series)
ISBN: 978-0-9600380-4-6
Paper SSW2D.2
Conference "Solid-State Lighting" <2016, Leipzig>
Conference "Light, Energy and the Environment" <2016, Leipzig>
Fraunhofer IOF ()

Periodic arrays of high refractive index structures are arranged below the anode of a white, bottom-emitting Organic LED. Significant enhancement of the emission into air and substrate is achieved without introducing pronounced chromatic effects.