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Orientational control of liquid crystal molecules by reformed poly(dimethylsiloxane) alignment layer via ion-beam irradiation
- Authors
- Lee, Hee-Jun; Kim, Young-Hwan; Lee, Jong-Jin; Park, Hong-Gyu; Yang, Seok; Kim, Byoung-Yong; Lee, Yang Doo; Ju, Byeong-Kwon; Seo, Dae-Shik
- Issue Date
- 15-Apr-2011
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Polydimethylsiloxane; Liquid crystal; Pretilt angle; Ion beam; Dielectric anisotropic
- Citation
- MATERIALS CHEMISTRY AND PHYSICS, v.126, no.3, pp.628 - 631
- Indexed
- SCIE
SCOPUS
- Journal Title
- MATERIALS CHEMISTRY AND PHYSICS
- Volume
- 126
- Number
- 3
- Start Page
- 628
- End Page
- 631
- ISSN
- 0254-0584
- 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. (C) 2011 Elsevier B.V. All rights reserved.
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Related Researcher
- Ju, Byeong kwon
- College of Engineering (School of Electrical Engineering)