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Proceedings Paper

Liquid crystal alignment on ZnO nanostructure films
Author(s): Yueh-Feng Chung; Mu-Zhe Chen; Sheng-Hsiung Yang; Shie-Chang Jeng
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Paper Abstract

The study of liquid crystal (LC) alignment is important for fundamental researches and industrial applications. The tunable pretilt angles of liquid crystal (LC) molecules aligned on the inorganic zinc oxide (ZnO) nanostructure films with controllable surface wettability are demonstrated in this work. The ZnO nanostructure films are deposited on the ITO- glass substrates by the two-steps hydrothermal process, and their wettability can be modified by annealing. Our experimental results show that the pretilt angles of LCs on ZnO nanostructure films can be successfully adjusted over a wide range from ~90° to ~0° as the surface energy on the ZnO nanostructure films changes from ~30 to ~70 mJ/m. Finally we have applied this technique to fabricate a no-bias optically-compensated bend (OCB) LCD with ZnO nanostructure films annealed at 235 °C.

Paper Details

Date Published: 7 March 2016
PDF: 9 pages
Proc. SPIE 9769, Emerging Liquid Crystal Technologies XI, 97690X (7 March 2016); doi: 10.1117/12.2211567
Show Author Affiliations
Yueh-Feng Chung, National Chiao Tung Univ. (Taiwan)
Mu-Zhe Chen, National Chiao Tung Univ. (Taiwan)
Sheng-Hsiung Yang, National Chiao Tung Univ. (Taiwan)
Shie-Chang Jeng, National Chiao Tung Univ. (Taiwan)


Published in SPIE Proceedings Vol. 9769:
Emerging Liquid Crystal Technologies XI
Liang-Chy Chien; Dick J. Broer; Hirotsugu Kikuchi; Nelson V. Tabiryan, Editor(s)

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