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Fast switching of nematic liquid crystals using a new alkyl-free bifunctional mesogenic monomer
- Authors
- Lee, Eunbi; Son, Intae; Moon, Gitae; Kim, Chunho; Cho, Chi Hyeong; Bae, Eun Hyoung; Min, Changsu; Kang, Taehyeon; Lee, Jun Hyup
- Issue Date
- Jan-2019
- Publisher
- TAYLOR & FRANCIS LTD
- Keywords
- Alignment layer; alkyl-free monomer; fast switching; nematic liquid crystal; UV treatment
- Citation
- MOLECULAR CRYSTALS AND LIQUID CRYSTALS, v.678, no.1, pp.91 - 97
- Journal Title
- MOLECULAR CRYSTALS AND LIQUID CRYSTALS
- Volume
- 678
- Number
- 1
- Start Page
- 91
- End Page
- 97
- ISSN
- 1542-1406
- Abstract
- The vertical alignment mode is widely applied in liquid crystal (LC) devices but exhibits a slow response time. To induce fast switching of LCs, bifunctional reactive monomers (RMs) were mixed with polyimide (PI). Two types of RMs were used: RMs with alkyl spacers and alkyl-free RMs. The mixture of RMs and PI was treated with ultraviolet light under an electric field to induce the pre-tilted LC alignment. The newly fabricated alignment layers exhibited low threshold voltages and fast response times compared to pure PI. Furthermore, the alkyl-free monomers induced a faster switching of the LCs than RMs with alkyl spacers.
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Collections - College of Engineering > Department of Chemical Engineering > 1. Journal Articles
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Related Researcher
- Lee, Jun Hyup
- College of Engineering (Department of Chemical Engineering)