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Proceedings Paper

Different limits of phase separation and their applications
Author(s): Qingbing Wang; Bharat Acharya; Hyunchul Choi; Jae-Hoon Kim; Satyendra Kumar
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Paper Abstract

The process of phase separation leads to several well known display technologies such as Polymer Dispersed liquid crystals and Polymer Stabilized cholesteric and ferroelectric devices. Several new limits of the general phenomena of phase separation have been discovered in recent years. In one of the limits, a very simple and powerful process known as the phase separated composite structures method permits the construction of conventional devices; such as, TN, STN, and FLC devices with great ease and with flexible substrates. It has also been employed in the fabrication of one- and two-dimensional optical gratings and fly's eye lenses (micro-lens array) with electrically controllable focal length. In the second limit, one obtains microscopic polymer columns perpendicular to the substrates. These structures have been used to fabricate large area homeotropic nematic devices having very high-contrast.

Paper Details

Date Published: 30 April 2003
PDF: 7 pages
Proc. SPIE 5003, Liquid Crystal Materials, Devices, and Applications IX, (30 April 2003); doi: 10.1117/12.479849
Show Author Affiliations
Qingbing Wang, Kent State Univ. (United States)
Bharat Acharya, Kent State Univ. (United States)
Hyunchul Choi, Kent State Univ. (United States)
Jae-Hoon Kim, Kent State Univ. (United States)
Satyendra Kumar, Kent State Univ. (United States)


Published in SPIE Proceedings Vol. 5003:
Liquid Crystal Materials, Devices, and Applications IX
Liang-Chy Chien, Editor(s)

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