journal article·2014-04Open access

Highly Directional Emission and Beam Steering from Organic Light‐Emitting Diodes with a Substrate Diffractive Optical Element

Shuyu Zhang, Graham A. Turnbull, Ifor D. W. Samuel

Advanced Optical Materials· Volume 2· Issue 4

Abstract

Highly directional emission from an organic light-emitting diode (OLED) is demonstrated by out-coupling the substrate mode from a Eu-based OLED using a diffractive optical element embedded in the substrate. This approach gives emission that is confined in a single narrow cone with FWHM divergence of 15° or less, which is very different from the normal Lambertian emission of OLEDs.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Semiconductor Lasers and Optical Devices · Organic Light-Emitting Diodes Research · Photonic and Optical Devices

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Affiliations

Organic Semiconductor Centre, SUPA, School of Physics and Astronomy University of St. Andrews North Haugh St. Andrews Fife KY16 9SS UK

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