Fast electro-optical effect in polymer-stabilized blue phases

Hirotsugu Kikuchi; Yoshiaki Hisakado; Kiminori Uchida; Toshihiko Nagamura; Tisato Kajiyama

doi:10.1117/12.555975

15 October 2004 Fast electro-optical effect in polymer-stabilized blue phases

Hirotsugu Kikuchi, Yoshiaki Hisakado, Kiminori Uchida, Toshihiko Nagamura, Tisato Kajiyama

Proceedings Volume 5518, Liquid Crystals VIII; (2004) https://doi.org/10.1117/12.555975
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

Key challenges in achieving higher-quality liquid crystal displays for future generations are developing new liquid crystal materials with faster electro-optical response and simplifying the fabrication process of devices. Blue phases^1-4, kinds of liquid crystal phases, have two major advantages over commonly used nematic phases. First, the response is much faster^5-8. Second, the zero-electric field state is optically isotropic unlike nematic phases, that is, no surface treatment (no rubbing) is necessary, leading to a simplification of the fabrication process. One of the problems of blue phases that the available temperature range is very narrow has been overcome by our recent achievement, the polymer-stabilized blue phases^9,10. Here we show that the polymer-stabilized blue phases surmount another problem that the blue phase is very fragile to an electric field. We also demonstrate the sufficiently large electric field-induced birefringence and the micro-second response of the polymer-stabilized blue phases without any surface treatment.

Citation Download Citation

Hirotsugu Kikuchi, Yoshiaki Hisakado, Kiminori Uchida, Toshihiko Nagamura, and Tisato Kajiyama "Fast electro-optical effect in polymer-stabilized blue phases", Proc. SPIE 5518, Liquid Crystals VIII, (15 October 2004); https://doi.org/10.1117/12.555975

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