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Proceedings Paper

Smart window using a thermally and optically switchable liquid crystal cell
Author(s): Seung-Won Oh; Sang-Hyeok Kim; Jong-Min Baek; Tae-Hoon Yoon
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Paper Abstract

Light shutter technologies that can control optical transparency have been studied extensively for developing curtain-free smart windows. We introduce thermally and optically switchable light shutters using LCs doped with push-pull azobenzene, which is known to speed up thermal relaxation. The liquid crystal light shutter can be switched between translucent and transparent states or transparent and opaque states by phase transition through changing temperature or photo-isomerization of doped azobenzene. The liquid crystal light shutter can be used for privacy windows with an initial translucent state or energy-saving windows with an initial transparent state.

Paper Details

Date Published: 8 February 2018
PDF: 7 pages
Proc. SPIE 10555, Emerging Liquid Crystal Technologies XIII, 1055516 (8 February 2018);
Show Author Affiliations
Seung-Won Oh, Pusan National Univ. (Korea, Republic of)
Sang-Hyeok Kim, Pusan National Univ. (Korea, Republic of)
Jong-Min Baek, Pusan National Univ. (Korea, Republic of)
Tae-Hoon Yoon, Pusan National Univ. (Korea, Republic of)

Published in SPIE Proceedings Vol. 10555:
Emerging Liquid Crystal Technologies XIII
Liang-Chy Chien, Editor(s)

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