Performance enhancement of low viscosity nematic liquid crystal dichroic dye mixtures by addition of chiral dopants

This work investigates the improvement of transmittance dynamic and response time of low viscosity nematic liquid crystals, combined with neutral dichroic dyes, by the addition of chiral dopants, while maintaining a low Haze value. We present some experimental results showing the impact of the addit...

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Bibliographic Details
Published in:Molecular Crystals and Liquid Crystals 2019-03, Vol.681 (1), p.1-11
Main Authors: Raimondeau, Kevin, Dupont, Laurent, Sathaye, Kedar, Hue, David, de Bougrenet de la Tocnaye, Jean-Louis
Format: Article
Language:English
Subjects:
chiral dopant
color balance
Crystals
dichroic dye
Dichroic ratio
Dichroism
Dopants
Dyes
fast response time
Haze
Haze value
Liquid crystals
low viscosity nematic
Nematic crystals
Performance enhancement
Response time
Viscosity
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Description
Summary:This work investigates the improvement of transmittance dynamic and response time of low viscosity nematic liquid crystals, combined with neutral dichroic dyes, by the addition of chiral dopants, while maintaining a low Haze value. We present some experimental results showing the impact of the addition of these chiral dopants on both dichroic efficiency, switching time, and scattering, obtained from a benchmark of various commercially available liquid crystal mixtures.
ISSN:1542-1406
1563-5287
1527-1943
DOI:10.1080/15421406.2018.1548526