11 December 2001 Polymer-stabilized ferroelectric liquid crystal for flexible displays using plastic substrates
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Abstract
We have developed a ferroelectric liquid crystal device with a novel structure containing a polymer fiber network for flexible lightweight displays using thin plastic substrates. The aligned polymer fibers of sub-micrometers -diameter were formed under ultraviolet light irradiation in a heated nematic- phase solution consisting of liquid crystal and monofunctional acrylate monomer. The rigid polymer network was found to adhere to the two plastic substrates, and the uniform liquid crystal alignment provided a contrast ratio of 100:1 for a monomer concentration of 20 wt%. This device achieves a continuous grayscale capability as a result of change in the spatial distribution of small liquid crystal domains, and also exhibits a fast response time of 80 microsecond(s) due to high-purity separation of polymer and liquid crystal materials. It therefore has attractive features for flexible moving-image display applications.
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Hideo Fujikake, Hideo Fujikake, Takeshi Murashige, Takeshi Murashige, Hiroto Sato, Hiroto Sato, Yoshiki Iino, Yoshiki Iino, Hiroshi Kikuchi, Hiroshi Kikuchi, Masahiro Kawakita, Masahiro Kawakita, Yuzuru Tsuchiya, Yuzuru Tsuchiya, } "Polymer-stabilized ferroelectric liquid crystal for flexible displays using plastic substrates", Proc. SPIE 4463, Liquid Crystals V, (11 December 2001); doi: 10.1117/12.449935; https://doi.org/10.1117/12.449935
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