Actively addressed single pixel full-colour plasmonic display

Dynamic, colour-changing surfaces have many applications including displays, wearables and active camouflage. Plasmonic nanostructures can fill this role by having the advantages of ultra-small pixels, high reflectivity and post-fabrication tuning through control of the surrounding media. However, p...

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Published inNature communications Vol. 8; no. 1; pp. 15209 - 10
Main Authors Franklin, Daniel, Frank, Russell, Wu, Shin-Tson, Chanda, Debashis
Format Journal Article
LanguageEnglish
Published London Nature Publishing Group UK 10.05.2017
Nature Publishing Group
Nature Portfolio
Subjects
142/126
639/624/1075/146
639/624/399/919
639/624/400/1021
Fabrication
Humanities and Social Sciences
Light
Morphology
multidisciplinary
Science
Science (multidisciplinary)
Thin films
Transistors
Florida
United States > US
Online AccessGet full text
ISSN2041-1723
2041-1723
DOI10.1038/ncomms15209

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Summary:Dynamic, colour-changing surfaces have many applications including displays, wearables and active camouflage. Plasmonic nanostructures can fill this role by having the advantages of ultra-small pixels, high reflectivity and post-fabrication tuning through control of the surrounding media. However, previous reports of post-fabrication tuning have yet to cover a full red-green-blue (RGB) colour basis set with a single nanostructure of singular dimensions. Here, we report a method which greatly advances this tuning and demonstrates a liquid crystal-plasmonic system that covers the full RGB colour basis set, only as a function of voltage. This is accomplished through a surface morphology-induced, polarization-dependent plasmonic resonance and a combination of bulk and surface liquid crystal effects that manifest at different voltages. We further demonstrate the system’s compatibility with existing LCD technology by integrating it with a commercially available thin-film-transistor array. The imprinted surface interfaces readily with computers to display images as well as video. Tuning of plasmonic nanostructures has yet to cover a full colour basis set with a single nanostructure. Franklin et al . demonstrate a liquid crystal-plasmonic system that covers the full red-green-blue colour basis set as a function of voltage and which can be actively addressed with thin-film-transistor technology.
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ISSN:2041-1723
2041-1723
DOI:10.1038/ncomms15209