Study of Optimized Curing Conditions for Polymer-Stabilized Pi-Cell with Compensation Film
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概要
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The pi-cell is one of the candidates for replacing the twisted nematic (TN) and in-plane switching (IPS) modes. It has a fast switching speed and a good viewing angle owing to its self-compensated director configuration. In this paper, we report the optimized conditions for polymer-network stabilization to prevent the bend state from transforming into the (transitioning) splay state. Excellent electro-optical characteristic were obtained by optimizing various conditions: monomer concentrations in liquid crystal (LC), UV intensity, curing time, curing voltage, curing temperature and the retardation of the compensation film. Scanning electron microscopy (SEM) images revealed the structures of the stabilized polymer network in a pi-cell, which is the key factor for maintaining the bend state.
- 2008-03-25
著者
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Shin Sung
Department Of Cardiology Cardiovascular Center Korea University Hospital
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Kim Dong
Department Of Anatomy School Of Medicine Kyungpook National University
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Kim Dong
Department of Applied Physics, Korea University, Chungnam 339-700, Korea
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Jeong Seung
Department of Applied Physics, Korea University, Chungnam 339-700, Korea
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Rhie Kung
Department of Applied Physics, Korea University, Chungnam 339-700, Korea
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Hong Mun
Department of Applied Physics, Korea University, Chungnam 339-700, Korea
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Bos Philip
Department of Physics, Kent State University, Kent, OH 44242, U.S.A.
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Jang Won
Micro-optics Team, Korea Photonics Technology Institute, Gwangju 500-460, Korea
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Kim Kyeong
LCD Business Unit, Samsung Electronics Corp., Gyeonggi 449-711, Korea
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Shin Sung
Department of Applied Physics, Korea University, Chungnam 339-700, Korea
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