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Optical property enhancement of dye-PDLC using active reflector structure

Title
Optical property enhancement of dye-PDLC using active reflector structure
Authors
Jung, JE[Jung, Jae Eun]Lee, GH[Lee, Gae Hwang]Jang, JE[Jang, Jae Eun]Hwang, KY[Hwang, Kyu Young]Ahmad, F[Ahmad, Farzana]Jamil, M[Jamil, Muhammad]Woo, LJ[Woo, Lee Jin]Jeon, YJ[Jeon, Young Jae]
DGIST Authors
Jang, JE[Jang, Jae Eun]
Issue Date
2012-04-05
Citation
Journal of Applied Polymer Science, 124(1), 873-877
Type
Article
Article Type
Article
Keywords
Active ReflectorBarrier LayersContrast RatioCrystal StructureDisplay ApplicationDye-PDLCDye-PolymerE-PapersElectro-Optical PropertiesFlexible DisplaysLiquid Crystal and PolymerLiquid Crystal DisplaysLiquid CrystalsLow Driving VoltageOptical PropertiesPolymer Dispersed Liquid Crystal (PDLC)PolymersReflectionSingle Layer
ISSN
0021-8995
Abstract
The enhancement of electro-optical properties in reflective-type dye polymer dispersed liquid crystal (PDLC) has been achieved by applying an additional white PDLC layer along with dye PDLC layer. This newly modified structure that consists of white PDLC layer and scattering reflector acts as an active reflector. In this practice, an additional arrangement of a polymer barrier layer is made-up over white PDLC layer, to block the absorption of any solution from dye PDLC. The contrast ratio of this new configuration is almost doubled with low driving voltage and high ON reflectance. Simultaneously, the "off" state has been observed darker than single layer dye PDLC structure. This new configuration can be potentially significant for various display applications such as E-paper, outdoor billboard, and flexible display. © 2011 Wiley Periodicals, Inc.
URI
http://hdl.handle.net/20.500.11750/1702
DOI
10.1002/app.35011
Publisher
Wiley Blackwell
Related Researcher
  • Author Jang, Jae Eun Advanced Electronic Devices Research Group(AEDRG)
  • Research Interests
Files:
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Collection:
Information and Communication EngineeringETC1. Journal Articles


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