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Proceedings Paper

Field induced UV-alignment method for a zero pre-tilt liquid crystal cell
Author(s): Seung-Won Oh; Jun-Hee Park; Tae-Hoon Yoon
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Paper Abstract

Recently, photo-alignment technology has been the focus of research efforts because lowering the pre-tilt angle is essential for complete elimination of the off-axis light leakage. However, even though photo-alignment can provide zero pre-tilt angle, it has not yet been widely applied in mass production because of its weak surface anchoring, high curing energy, and strong image sticking. In this paper, we demonstrate that the zero pre-tilt angle can be obtained by employing the field-induced UV-alignment method. We have shown electro-optical characteristics and parameters related to the image quality of a fringe-field switching cell fabricated using the proposed method as functions of the monomer concentration and the UV irradiation time.

Paper Details

Date Published: 23 September 2016
PDF: 5 pages
Proc. SPIE 9940, Liquid Crystals XX, 99401E (23 September 2016); doi: 10.1117/12.2235988
Show Author Affiliations
Seung-Won Oh, Pusan National Univ. (Korea, Republic of)
Jun-Hee Park, Pusan National Univ. (Korea, Republic of)
Tae-Hoon Yoon, Pusan National Univ. (Korea, Republic of)


Published in SPIE Proceedings Vol. 9940:
Liquid Crystals XX
Iam Choon Khoo, Editor(s)

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