Optically compensated double-layer electrically controlled birefringence liquid crystal display with wide-viewing-angle cone |
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| Authors: | H Seki Y Masuda T Uchida |
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| Institution: |
a Department of Electrical Engineering, Faculty of Engineering, Hachinohe Institute of Technology, Hachinohe, Japan
b Department of Electronics Engineering, Faculty of Engineering, Tohoku University, Sendai, Japan |
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| Abstract: | An electrically controlled birefringence liquid crystal display has a problem over narrow viewing angle. To solve this problem, the authors proposed a double-layer electrically controlled birefringence liquid crystal display with a wide-viewing-angle cone under an applied voltage. In this device, each liquid crystal layer compensates the variation of retardation as a function of viewing angle. However, the optical compensation occurs only when certain voltages are applied. The objective of this paper is to propose a novel film compensated double-layer electrically controlled birefringence liquid crystal display that has a wide cone of view in any state. This device is based on the concept of compensation of retardation. |
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