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Journal Article
Effects of Boundary and Bulk Control Technology in Cholesteric Liquid Crystals
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- Authors
- Gi Heon Kim, Won-Jae Lee, Han Na Kim, Yong-Hae Kim
- Issue Date
- 2016-08
- Citation
- Molecular Crystals and Liquid Crystals, v.633, no.1, pp.72-79
- ISSN
- 1542-1406
- Publisher
- Taylor & Francis
- Language
- English
- Type
- Journal Article
- Abstract
- We fabricate a cholesteric liquid crystal display (Ch-LCD) having high reflectance and fast response time by doping R-811 into a nematic LC. The field-on and the field-off response times are 39 and 15 ms, respectively. The helical pitch is governed by R-811 that induced the cholesteric color. The boundary and bulk condition are strong effect on changes in the electro-optic behavior. The boundary condition controlled by rubbing strength has strong effects on the field-off response time and the reflectance variation. The bulk condition controlled by cell gap and R-811 concentration induced significant changes on operating voltage and threshold voltage.
- KSP Keywords
- Boundary conditions, Cell gap, Cholesteric liquid crystal display(Ch-LCD), Control technology, High reflectance, Liquid crystals(LCs), Liquid-crystal display(LCD), Off response, Operating Voltage, Strong effects, electro-optic(EO)