1 March 2013 Direct integration of a 4-pixel emissive display into a knit fabric matrix
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Proceedings Volume 8643, Advances in Display Technologies III; 864308 (2013) https://doi.org/10.1117/12.2004855
Event: SPIE OPTO, 2013, San Francisco, California, United States
Abstract
There exists a growing demand for displays in wearable applications. Wearable displays have traditionally been state-ofthe- art flexible designs that are subsequently mounted onto clothing fabric. Ideally, such a design would itself be fabricintegrated. Recently, much attention has been placed on work involving the weaving of photonic bandgap and other optical fibers to create a true fabric based display. Little exists in the technical literature concerning knit-based fabric displays. In this research, a prototype 4-pixel emissive fabric display is demonstrated. Conductive silver-plated nylon fibers act as a cathode. The fibers are coated in poly-2-methoxy-5-(2'-ethylhexyloxy)-p-phenylene vinylene (MEHPPV). When this layered structure is placed in contact with a separate metallic fiber (functions as an anode), a singlelayer PLED is formed. After drying and annealing, coated fibers are knit into a fabric matrix using a Shima Seiki SSG202SV automated knitting machine. The knit pattern itself provides a passive matrix addressing system similar to that of a more simple weave. Equivalent planar devices and single-pixel fiber structures are also fabricated. The resultant structures are all actuated, and current-voltage data is obtained for individual pixels using a source meter. Electroluminescence spectra are collected under tension using a UV-NIR spectrometer. The performance of the fiber devices is then compared to its planar analogues. Future directions for investigation are also proposed.
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Jared P. Coyle, Jared P. Coyle, Bin Li, Bin Li, Genevieve Dion, Genevieve Dion, Adam K. Fontecchio, Adam K. Fontecchio, } "Direct integration of a 4-pixel emissive display into a knit fabric matrix", Proc. SPIE 8643, Advances in Display Technologies III, 864308 (1 March 2013); doi: 10.1117/12.2004855; https://doi.org/10.1117/12.2004855
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