Abstract:Organic light emitting diodes (OLEDs) with directional and polarized light emission have many photonic applications, and beam shaping of these devices is fundamentally challenging because they are Lambertian light sources. In this work, using OLEDs for demonstrations, by selectively diffracting the TE waveguide mode while suppressing other optical modes in a nanostructured substrate, we demonstrated highly directional light emission from a full‐area OLED with a small divergence angle less than 3°, and a TE to … Show more
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