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Proceedings Paper

PDLC optical displays with LC encapsulated in polymerized vesicles
Author(s): Andrzej Teperek; Wojciech Czajkowski; Wojciech Fabianowski
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Paper Abstract

Optical displays with polymer dispersed liquid crystals have a diffused interphase region between LC droplets and polymer, composed mostly from LC swelling polymer matrix. This interphase region has a different optical characteristic comparing to the bulk material inside LC droplets. For the purpose of reducing volume occupied by the interphase region, we have adopted a procedure used in the liposome reserach. LC with dichroic dye was encapsulated in the vesicles formed by the polymerizable amphiphilic compound Dimethyldioctadecylammonium Methacrylate. After encapsulation, vesicles with LC/dye system inside were UV polymerized and dispersed in the poly(vinyl alcohol) PVA matrix. Changes of the optical transmittances of obtained thin films versus applied electrical field showed symmetrical s-shaped curves but low transmittance changes.

Paper Details

Date Published: 2 August 1995
PDF: 6 pages
Proc. SPIE 2372, Liquid Crystals: Materials Science and Applications, (2 August 1995); doi: 10.1117/12.215574
Show Author Affiliations
Andrzej Teperek, Warsaw Univ. of Technology (Poland)
Wojciech Czajkowski, Technical Univ. of Lodz (Poland)
Wojciech Fabianowski, Warsaw Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 2372:
Liquid Crystals: Materials Science and Applications
Jozef Zmija, Editor(s)

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