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Proceedings Paper

Polymer-stabilized ferroelectric liquid crystal for flexible displays using plastic substrates
Author(s): Hideo Fujikake; Takeshi Murashige; Hiroto Sato; Yoshiki Iino; Hiroshi Kikuchi; Masahiro Kawakita; Yuzuru Tsuchiya
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Paper 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.

Paper Details

Date Published: 11 December 2001
PDF: 8 pages
Proc. SPIE 4463, Liquid Crystals V, (11 December 2001); doi: 10.1117/12.449935
Show Author Affiliations
Hideo Fujikake, NHK Science & Technical Research Labs. (Japan)
Takeshi Murashige, Science Univ. of Tokyo (Japan)
Hiroto Sato, NHK Science & Technical Research Labs. (Japan)
Yoshiki Iino, NHK Science & Technical Research Labs. (Japan)
Hiroshi Kikuchi, NHK Science & Technical Research Labs. (Japan)
Masahiro Kawakita, NHK Science & Technical Research Labs. (Japan)
Yuzuru Tsuchiya, NHK Science & Technical Research Labs. (Japan)

Published in SPIE Proceedings Vol. 4463:
Liquid Crystals V
Iam-Choon Khoo, Editor(s)

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