Enhanced light extraction efficiency of OLEDs with quasiperiodic diffraction grating layer.


We presented enhanced light extraction efficiency of organic light emitting diodes (OLEDs) cells with a nano-sized diffraction grating layer. Various diffraction gratings of different morphologies including linear, cubic, hexagonal and quasiperiodic patterns were fabricated by multiplexing light interference exposure on an azobenzene thin film. The effect… (More)
DOI: 10.1364/OE.24.017950

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