Determination of Polar Anchoring Strength for Polymer-Stabilized Blue Phase Liquid Crystal Device
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概要
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Quantitative evaluation of a coupling coefficient between the blue phase (BP) liquid crystal (LC) and the diacrylate-type polymer, which is to be either the framework or the defect line of the polymer-stabilized (PS) BPLC, is an important subject. As a coupling coefficient, the polar anchoring strength $W_{d}$ between the BPLC and the diacrylate-type polymer prepared inside a thin hybrid alignment nematic (HAN) cell was evaluated by means of oblique incidence transmission spectroscopic ellipsometry. As an example, the polar anchoring strength $W_{d} = 1.87 \times 10^{-4}$ J/m2 is measured at the interface between host BPLC material with the diacrylate-type polymer performing vertical alignment (VA).
- 2011-08-25
著者
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Kimura Munehiro
Department Of Electrical Engineering Faculty Of Engineering Nagaoka University Of Technology
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Akahane Tadashi
Deparment Of Electrical Engineering Faculty Of Engineering The Technological University Of Nagaoka
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Kikuchi Hirotsugu
Institute For Material Chemistry And Engineering Kyushu University
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Kikuchi Hirotsugu
Institute for Materials Chemistry and Engineering, Kyushu University, Kasuga, Fukuoka 816-8580, Japan
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Lias Jais
Department of Electrical Engineering, Faculty of Engineering, Nagaoka University of Technology, Nagaoka, Niigata 940-2188, Japan
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Kimura Munehiro
Department of Electrical Engineering, Faculty of Engineering, Nagaoka University of Technology, Nagaoka, Niigata 940-2188, Japan
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Akahane Tadashi
Department of Electrical Engineering, Faculty of Engineering, Nagaoka University of Technology, Nagaoka, Niigata 940-2188, Japan
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