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NCUEIR > College of Science > Graduate Institute of Photonics Technologies > Periodical Articles > Item 987654321/15103

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/15103

Title:	Improvement in Planar Orientation of the Polymer-Stabilized Cholesteric Liquid Crystal Cells
Authors:	Tien, Ching-Jui;Huang, Chi-Yen
Contributors:	光電科技研究所
Keywords:	Liquid crystal;Cholesteric;Planar;Transition;Polymerization
Date:	2008-11
Issue Date:	2013-01-07T02:10:46Z
Publisher:	The Japan Society of Applied Physics
Abstract:	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 (Tci) 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.
Relation:	Jpn. J. Appl. Phys., 47(11): 8515-8517
Appears in Collections:	[Graduate Institute of Photonics Technologies] Periodical Articles

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