Polymer-stabilized ferroelectric liquid crystal for flexible displays using plastic substrates

Hideo Fujikake, Takeshi Murashige, Hiroto Sato, Yoshiki Iino, Hiroshi Kikuchi, Masahiro Kawakita, Yuzuru Tsuchiya

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)

Abstract

We have developed a ferroelectric liquid crystal device with a novel structure containing a polymer fiber network for flexible light-weight displays using thin plastic substrates. The aligned polymer fibers of sub- μ m-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 μ s due to high-purity separation of polymer and liquid crystal materials. It therefore has attractive features for flexible moving-image display applications.

Original languageEnglish
Pages (from-to)71-78
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4463
DOIs
Publication statusPublished - 2001 Dec 1
Externally publishedYes
EventLiquid Crystals V - San Diego,CA, United States
Duration: 2001 Jul 292001 Jul 30

Keywords

  • Ferroelectric liquid crystal
  • Flexible display
  • Plastic substrate
  • Polymer fiber

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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