Orientational control of liquid crystal molecules by reformed poly(dimethylsiloxane) alignment layer via ion-beam irradiation

Hee Jun Lee; Young Hwan Kim; Jong Jin Lee; Hong Gyu Park; Seok Yang; Byoung Yong Kim; Yang Doo Lee; Byeong Kwon Ju; Dae Shik Seo

doi:10.1016/j.matchemphys.2011.01.005

Orientational control of liquid crystal molecules by reformed poly(dimethylsiloxane) alignment layer via ion-beam irradiation

Hee Jun Lee, Young Hwan Kim, Jong Jin Lee, Hong Gyu Park, Seok Yang, Byoung Yong Kim, Yang Doo Lee, Byeong Kwon Ju, Dae Shik Seo

School of Electrical Engineering

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

We introduce an alternative approach to making a reformed PDMS layer as a pretilt controllable alignment layer, which can be used in the vertical alignment (VA) and twisted nematic (TN) modes, by varying the ion beam (IB) energy. Depending on different the dielectric anisotropy of surfaces, PDMS layers have been demonstrated to align LC molecules homogeneously and homeotropically. The electro-optic characteristics of aligned VA and TN-LCD based on PDMS layer were comparable to those of VA and TN-LCD based on polyimide, showing good potential of PDMS film as an alignment layer.

Original language	English
Pages (from-to)	628-631
Number of pages	4
Journal	Materials Chemistry and Physics
Volume	126
Issue number	3
DOIs	https://doi.org/10.1016/j.matchemphys.2011.01.005
Publication status	Published - 2011 Apr 15

Keywords

Dielectric anisotropic
Ion beam
Liquid crystal
Polydimethylsiloxane
Pretilt angle

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics

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10.1016/j.matchemphys.2011.01.005

Cite this

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title = "Orientational control of liquid crystal molecules by reformed poly(dimethylsiloxane) alignment layer via ion-beam irradiation",

abstract = "We introduce an alternative approach to making a reformed PDMS layer as a pretilt controllable alignment layer, which can be used in the vertical alignment (VA) and twisted nematic (TN) modes, by varying the ion beam (IB) energy. Depending on different the dielectric anisotropy of surfaces, PDMS layers have been demonstrated to align LC molecules homogeneously and homeotropically. The electro-optic characteristics of aligned VA and TN-LCD based on PDMS layer were comparable to those of VA and TN-LCD based on polyimide, showing good potential of PDMS film as an alignment layer.",

keywords = "Dielectric anisotropic, Ion beam, Liquid crystal, Polydimethylsiloxane, Pretilt angle",

author = "Lee, {Hee Jun} and Kim, {Young Hwan} and Lee, {Jong Jin} and Park, {Hong Gyu} and Seok Yang and Kim, {Byoung Yong} and Lee, {Yang Doo} and Ju, {Byeong Kwon} and Seo, {Dae Shik}",

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doi = "10.1016/j.matchemphys.2011.01.005",

language = "English",

volume = "126",

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journal = "Materials Chemistry and Physics",

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T1 - Orientational control of liquid crystal molecules by reformed poly(dimethylsiloxane) alignment layer via ion-beam irradiation

AU - Lee, Hee Jun

AU - Kim, Young Hwan

AU - Lee, Jong Jin

AU - Park, Hong Gyu

AU - Yang, Seok

AU - Kim, Byoung Yong

AU - Lee, Yang Doo

AU - Ju, Byeong Kwon

AU - Seo, Dae Shik

PY - 2011/4/15

Y1 - 2011/4/15

N2 - We introduce an alternative approach to making a reformed PDMS layer as a pretilt controllable alignment layer, which can be used in the vertical alignment (VA) and twisted nematic (TN) modes, by varying the ion beam (IB) energy. Depending on different the dielectric anisotropy of surfaces, PDMS layers have been demonstrated to align LC molecules homogeneously and homeotropically. The electro-optic characteristics of aligned VA and TN-LCD based on PDMS layer were comparable to those of VA and TN-LCD based on polyimide, showing good potential of PDMS film as an alignment layer.

AB - We introduce an alternative approach to making a reformed PDMS layer as a pretilt controllable alignment layer, which can be used in the vertical alignment (VA) and twisted nematic (TN) modes, by varying the ion beam (IB) energy. Depending on different the dielectric anisotropy of surfaces, PDMS layers have been demonstrated to align LC molecules homogeneously and homeotropically. The electro-optic characteristics of aligned VA and TN-LCD based on PDMS layer were comparable to those of VA and TN-LCD based on polyimide, showing good potential of PDMS film as an alignment layer.

KW - Dielectric anisotropic

KW - Ion beam

KW - Liquid crystal

KW - Polydimethylsiloxane

KW - Pretilt angle

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DO - 10.1016/j.matchemphys.2011.01.005

M3 - Article

AN - SCOPUS:79951671758

VL - 126

SP - 628

EP - 631

JO - Materials Chemistry and Physics

JF - Materials Chemistry and Physics

SN - 0254-0584

IS - 3

ER -

Orientational control of liquid crystal molecules by reformed poly(dimethylsiloxane) alignment layer via ion-beam irradiation

Abstract

Keywords

ASJC Scopus subject areas

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