Tilt Angle Generation for Nematic Liquid Crystal on Blended Homeotropic Polyimide Layer Containing Trifluoromethyl Moieties
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概要
- 論文の詳細を見る
A decrease in tilt angle generation for a nematic liquid crystal (NLC) with negative dielectric anisotropy on a blended homeotropic polyimide (PI) surface containing trifluoromethyl moieties was investigated. The decrease in tilt angle (below 90°) of NLC on the blended PI surface containing a homogeneous PI structure having a high tilt angle was measured, and the tilt angle of the polymer was found to decrease as the rubbing strength increased. However, the decreases in tilt angle (about 90°) of NLC on the blended PI homeotropic surface containing two kinds of homogeneous PI structure having a low tilt angle were not observed. The tilt angle of NLC generated was about 73° and the drop of tilt angle is attributable to the trifluoromethyl moiety attached to the lateral benzene ring in the backbone structure on the blended homeotropic PI surface. Therefore, the drop of the tilt angle of NLC to below 90° of NLC can be achieved using the blended homeotropic PI surface.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 2003-04-15
著者
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Seo Dae-shik
Department Of Electrical & Computer Engineering College Of Engineering Yonsei University
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Lee Seung
School Of Advanced Materials Engineering Chonbuk National University
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Paek Seung
School Of Electronic And Telecommunication Engineering College Of Eng. Inje University
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Hwang Jeoung-yeon
Department Of Electrical & Computer Engineering College Of Engineering Yonsei University
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Hwang Jeoung-Yeon
Department of Electrical & Electronic Engineering (A-226), College of Engineering, Yonsei University, 134 Shinchon-dong, Seodaemoon-ku, Seoul 120-749, Korea
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Lee Seung
School of Advanced Materials Engineering, Chonbuk National University, Chonju, Chonbuk 561-756, Korea
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Paek Seung
School of Electronic and Telecommunication Engineering, College of Eng., Inje University, 607 Obang-dong, Kimhae, Kyongnam 621-749, Korea
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