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Updated: Jun 21, 2026
An Electrochemical Cholesteric Liquid Crystalline Device for Quick and Low-Voltage Color Modulation
Published on: February 27, 2019
In-plane pitch control of cholesteric liquid crystals by formation of artificial domains via patterned
Hiroyuki Yoshida1, Yusuke Miura, Kazuki Tokuoka
1Department of Electrical, Electronic and Informational Engineering, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan.
Abstract:
A controlled helix pitch modulation in the in-plane direction of a planarly aligned cholesteric liquid crystal cell is demonstrated by using photopolymerizable cholesteric liquid crystals. By fabricating artificial domains with a closed volume via two-photon excitation laser-lithography, the degree of pitch modulation could be controlled by adjusting the surface area to volume ratio of the domain. A pitch modulation of over 60 nm was realized by designing the shape of the artificial domain.
