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Proceedings Paper

Polymer-dispersed liquid-crystal films with memory characteristics
Author(s): Andy Ying-Guey Fuh; Tsung-Chih Ko
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Paper Abstract

Polymer dispersed liquid crystal (PDLC) films with memory electrooptical characteristics were fabricated. The approach made use of phase transition characteristics of smectic liquid crystals. If a smectic is cooled from the nematic to the smectic state in the presence of an electric field, one obtains an aligned smectic. This structure yields a transparent state. However, if the material is cooled in the absence of the field, it adopts a focal conic texture which yields a light-scattering state. The fabrication of these devices, together with their measured electrooptical characteristics, is reported.

Paper Details

Date Published: 27 October 1992
PDF: 6 pages
Proc. SPIE 1815, Display Technologies, (27 October 1992); doi: 10.1117/12.131321
Show Author Affiliations
Andy Ying-Guey Fuh, National Cheng Kung Univ. (Taiwan)
Tsung-Chih Ko, National Cheng Kung Univ. (Taiwan)

Published in SPIE Proceedings Vol. 1815:
Display Technologies
Shu-Hsia Chen; Shin-Tson Wu, Editor(s)

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