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SUPA, School of Physics and Astronomy, University of St Andrews, North Haugh, St Andrews, Fife KY16 9SS, UK
Graham A. Turnbull (gat@st-andrews.ac.uk)
Andrea Di Falco (adf10@st-andrews.ac.uk)
Ifor D. W. Samuel (idws@st-andrews.ac.uk)
Received:01 August 2024,
Revised:2025-05-20,
Accepted:30 May 2025,
Published Online:27 August 2025,
Published:31 October 2025
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Gong, J. Y. et al. OLED illuminated metasurfaces for holographic image projection. Light: Science & Applications, 14, 3102-3110 (2025).
Gong, J. Y. et al. OLED illuminated metasurfaces for holographic image projection. Light: Science & Applications, 14, 3102-3110 (2025). DOI: 10.1038/s41377-025-01912-z.
Organic light-emitting diodes (OLEDs) are thin film optoelectronic devices that feature simple fabrication
light weight and broad tunability
which makes them widely used in mobile phone and TV displays. As a flat and surface-emitting light source
OLEDs are also used in emerging applications such as optical wireless communications
biophotonics and sensing
where the ability to integrate with other technologies makes them good candidates to realise miniaturised photonic platforms. Control of the OLED far-field emission is increasingly important for both displays and these emerging applications. At present
however
studies mainly focus on tuning the electroluminescence (EL) spectrum and emission directionality. Fine-tuning of the far-field emission is particularly challenging and is limited by the low spatial coherence of OLEDs. In this work
we show that it is possible for a single OLED to project a high-resolution image when combined with a holographic metasurface as a compact projection system. The metasurface-OLED projector allows us to directly manipulate the OLED far-field emission and display holographic images on a screen. Here
we further show how the projected image quality relates to the spatial coherence length and the spectrum of the OLED. We believe our demonstration provides a path towards a miniaturised and highly integrated metasurface display.
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Gong, J. et al. OLED illuminated metasurfaces for holographic image projection (dataset). University of St Andrews Research Portal. https://doi.org/10.17630/054a4b0d-4faa-4b2a-866f-8cb0982c0ff8 https://doi.org/10.17630/054a4b0d-4faa-4b2a-866f-8cb0982c0ff8 (2025).
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