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Preparation of newly designed reverse mode polymer dispersed liquid crystals and its electro-optic characteristics

Title
Preparation of newly designed reverse mode polymer dispersed liquid crystals and its electro-optic characteristics
Authors
Hwang, SH[Hwang, Sung-Ho]Yang, KJ[Yang, Kee-Jeong]Woo, SH[Woo, Sung-Ho]Choi, BD[Choi, Byeong-Dae]Kim, EH[Kim, Eun-Hee]Kim, BK[Kim, Byeong-Kyu]
DGIST Authors
Hwang, SH[Hwang, Sung-Ho]Yang, KJ[Yang, Kee-Jeong]Woo, SH[Woo, Sung-Ho]Choi, BD[Choi, Byeong-Dae]
Issue Date
2007
Citation
Molecular Crystals and Liquid Crystals, 470, 163-171
Type
Article
Article Type
Article; Proceedings Paper
Keywords
AnisotropyDielectric PropertiesElectro-Optic PropertyElectro-Optical EffectsLiquid CrystalsPhase SeparationPolymer Dispersed Liquid Crystal (PDLC)PolymerizationPolymerization Induced Phase Separation
ISSN
1542-1406
Abstract
Polymer Dispersed Liquid Crystal (PDLC) films, of which the liquid crystal has negative dielectric anisotropy, were prepared from the phase separation between liquid crystal (MJ001317) and the various compositions of resins by common polymerization induced phase separation method. In this work, the effects of resin compositions have been systematically investigated. It was found that the morphology and size of droplets related to electro-optic properties mainly depend on the rate of polymerization and cross-linking density for each resin composition. A reverse mode PDLC films developed from a new formulation containing TPGDA/EHA/HMPPO showed the good off-state transmittance, contrast ratio (19:1), and relatively low driving voltage (10 V).
URI
http://hdl.handle.net/20.500.11750/3595
DOI
10.1080/15421400701493653
Publisher
Taylor and Francis Ltd.
Related Researcher
Files:
There are no files associated with this item.
Collection:
Intelligent Devices and Systems Research Group1. Journal Articles


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