ITE Transactions on Media Technology and Applications
Online ISSN : 2186-7364
ISSN-L : 2186-7364
Special Section on IDW '19
[Paper] Formation of Microscopic Polymer Structure in LCs by Patterned UV Irradiation using Polymerization Inhibitor
Takahiro IshinabeSou MatsuokaYosei ShibataHideo Fujikake
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2020 Volume 8 Issue 4 Pages 196-201

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Abstract

We controlled the fine-pitch polymer aggregation in liquid crystals (LCs) two-dimensionally via patterned ultraviolet (UV) irradiation, where a photomask was used to precisely control the light distribution. The combination of high-intensity UV light and a polymerization inhibitor suppressed polymerization in the masked area, and improved the uniformity of LC alignment between fine-pitch polymer structures. We were able to electrically control the diffraction patterns of polymer-dispersed LCs.

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