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Realization of Multi-Stable Ground States in a Nematic Liquid Crystal by Surface and Electric Field Modification

Title
Realization of Multi-Stable Ground States in a Nematic Liquid Crystal by Surface and Electric Field Modification
Author
김재훈
Keywords
ANCHORING TRANSITIONS; REACTIVE-MESOGEN; EASY-AXIS; BIAXIALITY; STRENGTH; DIRECTOR; BEHAVIOR; C7
Issue Date
2015-06
Publisher
NATURE PUBLISHING GROUP
Citation
SCIENTIFIC REPORTS, v. 5, Page. 1-7
Abstract
Owing to the significant price drop of liquid crystal displays (LCDs) and the efforts to save natural resources, LCDs are even replacing paper to display static images such as price tags and advertising boards. Because of a growing market demand on such devices, the LCD that can be of numerous surface alignments of directors as its ground state, the so-called multi-stable LCD, comes into the limelight due to the great potential for low power consumption. However, the multi-stable LCD with industrial feasibility has not yet been successfully performed. In this paper, we propose a simple and novel configuration for the multi-stable LCD. We demonstrate experimentally and theoretically that a battery of stable surface alignments can be achieved by the field-induced surface dragging effect on an aligning layer with a weak surface anchoring. The simplicity and stability of the proposed system suggest that it is suitable for the multi-stable LCDs to display static images with low power consumption and thus opens applications in various fields.
URI
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4477365/http://hdl.handle.net/20.500.11754/25437
ISSN
2045-2322
DOI
10.1038/srep11368
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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