Planar Texture Improvement in Cholesteric Liquid Crystal Cells
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概要
- 論文の詳細を見る
We investigate the effect of thermal annealing (TA) on cholesteric cells. When a cell is heated to the cholesteric–isotropic transition temperature ($T_{\text{ci}}$), the cholesteric phase coexists with the isotropic phase. The isotropic domains become oily streaks, but the cholesteric domains merge with each other as the cell naturally cools to room temperature. A repeated $T_{\text{ci}}$ TA processes that entails heating the cell to $T_{\text{ci}}$ followed by cooling to room temperature effectively suppresses oily streaks and expands planar texture domains. Through this method, a defect-free cholesteric cell is achieved after five repeated $T_{\text{ci}}$ TA processes.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2009-07-25
著者
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Huang Chi-yen
Department Of Electronic Engineering Kun Shan University Of Technology
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Liu Jui-hsiang
Department Of Chemical Engineering National Cheng Kung University
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Yang Po-Chih
Department of Chemical Engineering, National Cheng Kung University, Tainan, Taiwan 701, Republic of China
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Kao Yee-Mon
Department of Physics and Graduate Institute of Photonics, National Changhua University of Education, Changhua, Taiwan 500, Republic of China
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Huang Chi-Yen
Department of Physics and Graduate Institute of Photonics, National Changhua University of Education, Changhua, Taiwan 500, Republic of China
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Tien Ching-Jui
Department of Physics and Graduate Institute of Photonics, National Changhua University of Education, Changhua, Taiwan 500, Republic of China
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Liu Jui-Hsiang
Department of Chemical Engineering, National Cheng Kung University, Tainan, Taiwan 701, Republic of China
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