Viscoelastic liquid crystal colloids for the continuous processing of twisted nematic electro-optical cells

M.C.W. Boxtel, van; R.H.C. Janssen; C.W.M. Bastiaansen; D.J. Broer

doi:10.1063/1.1335648

Viscoelastic liquid crystal colloids for the continuous processing of twisted nematic electro-optical cells

M.C.W. Boxtel, van, R.H.C. Janssen, C.W.M. Bastiaansen, D.J. Broer

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Abstract

Liquid crystal colloid materials are described based on the liquid crystal (LC) E7 and submicron sized poly(methyl methacrylate-co-divinylbenzene) particles. Application of a thermal treatment to the composite material produces a finely dispersed network of the internally crosslinked polymeric inclusions in the LC-E7. Dynamic rheological measurements on the LC colloids show that the presence of this network imposes pronounced viscoelastic behavior on the material, which may be exploited in the manufacturing of large-area twisted nematic (TN) electro-optical cells via continuous methods as an alternative to the currently available batchwise routes. The electro-optical characteristics of TN cells based on the composite material are approximately comparable to the electro-optical characteristics of a reference cell filled with pure LC E7, which ensures that the largely increased viscoelasticity of the composite does not lead to a degradation of electro-optical properties

Original language	English
Pages (from-to)	838-842
Journal	Journal of Applied Physics
Volume	89
Issue number	2
DOIs	https://doi.org/10.1063/1.1335648
Publication status	Published - 2001

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title = "Viscoelastic liquid crystal colloids for the continuous processing of twisted nematic electro-optical cells",

abstract = "Liquid crystal colloid materials are described based on the liquid crystal (LC) E7 and submicron sized poly(methyl methacrylate-co-divinylbenzene) particles. Application of a thermal treatment to the composite material produces a finely dispersed network of the internally crosslinked polymeric inclusions in the LC-E7. Dynamic rheological measurements on the LC colloids show that the presence of this network imposes pronounced viscoelastic behavior on the material, which may be exploited in the manufacturing of large-area twisted nematic (TN) electro-optical cells via continuous methods as an alternative to the currently available batchwise routes. The electro-optical characteristics of TN cells based on the composite material are approximately comparable to the electro-optical characteristics of a reference cell filled with pure LC E7, which ensures that the largely increased viscoelasticity of the composite does not lead to a degradation of electro-optical properties",

author = "{Boxtel, van}, M.C.W. and R.H.C. Janssen and C.W.M. Bastiaansen and D.J. Broer",

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doi = "10.1063/1.1335648",

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T1 - Viscoelastic liquid crystal colloids for the continuous processing of twisted nematic electro-optical cells

AU - Boxtel, van, M.C.W.

AU - Janssen, R.H.C.

AU - Bastiaansen, C.W.M.

AU - Broer, D.J.

PY - 2001

Y1 - 2001

N2 - Liquid crystal colloid materials are described based on the liquid crystal (LC) E7 and submicron sized poly(methyl methacrylate-co-divinylbenzene) particles. Application of a thermal treatment to the composite material produces a finely dispersed network of the internally crosslinked polymeric inclusions in the LC-E7. Dynamic rheological measurements on the LC colloids show that the presence of this network imposes pronounced viscoelastic behavior on the material, which may be exploited in the manufacturing of large-area twisted nematic (TN) electro-optical cells via continuous methods as an alternative to the currently available batchwise routes. The electro-optical characteristics of TN cells based on the composite material are approximately comparable to the electro-optical characteristics of a reference cell filled with pure LC E7, which ensures that the largely increased viscoelasticity of the composite does not lead to a degradation of electro-optical properties

AB - Liquid crystal colloid materials are described based on the liquid crystal (LC) E7 and submicron sized poly(methyl methacrylate-co-divinylbenzene) particles. Application of a thermal treatment to the composite material produces a finely dispersed network of the internally crosslinked polymeric inclusions in the LC-E7. Dynamic rheological measurements on the LC colloids show that the presence of this network imposes pronounced viscoelastic behavior on the material, which may be exploited in the manufacturing of large-area twisted nematic (TN) electro-optical cells via continuous methods as an alternative to the currently available batchwise routes. The electro-optical characteristics of TN cells based on the composite material are approximately comparable to the electro-optical characteristics of a reference cell filled with pure LC E7, which ensures that the largely increased viscoelasticity of the composite does not lead to a degradation of electro-optical properties

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DO - 10.1063/1.1335648

M3 - Article

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SP - 838

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JO - Journal of Applied Physics

JF - Journal of Applied Physics

IS - 2

ER -

Viscoelastic liquid crystal colloids for the continuous processing of twisted nematic electro-optical cells

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