Improvement in Planar Orientation of the Polymer-Stabilized Cholesteric Liquid Crystal Cells
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概要
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We investigate the effects of thermal annealing on the improvement in the planar orientation of the polymer-stabilized cholesteric liquid crystal (CLC) cell. The obtained results reveal that annealing the CLC/monomer mixture at the CLC–isotropic transition temperature ($T_{\text{ci}}$) effectively reduces the viscosity of the CLC/monomer mixture, accelerating the annihilation of oily streaks. Increasing the annealing time effectively removes the oily streaks, giving the polymer-stabilized CLC cell a high transmittance and a sharp stop band edge. An 8-μm-thick polymer-stabilized CLC cell with a defect-free planar texture is achieved when the annealing time of the cell exceeds 10 min.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2008-11-25
著者
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Huang Chi-yen
Department Of Electronic Engineering Kun Shan University Of Technology
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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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