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Liquid Crystal Devices Incorporating Transparent Zn, Sn Co-Doped In2O3 Electrodes Prepared by Direct Inkjet-Printing of Nanosized Particles
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- Authors
- Kyung-Won Park, Sin-Bi Kang, Jin-A Jeong, Suk-Won Choi, Jihoon Kim, In-Kyu You, Yong Suk Yang, Han-Ki Kim
- Issue Date
- 2013-04
- Citation
- Journal of Physics D : Applied Physics, v.46, no.14, pp.1-6
- ISSN
- 0022-3727
- Publisher
- Institute of Physics (IOP)
- Language
- English
- Type
- Journal Article
- Abstract
- We demonstrate inkjet-printed transparent Zn, Sn co-doped In 2O3 (IZTO) films using nanosized IZTO ink as a transparent electrode for liquid crystal (LC) devices. By adjusting the IZTO droplet pitch and line pitch, we can produce directly patterned IZTO electrodes without using a conventional photolithography process. Effective connections between IZTO nanoparticles created by a rapid thermal annealing process resulted in a sheet resistance of ~200 O/square and an optical transmittance of 89.45%, which is acceptable for LC cell fabrication. Stable and reliable electro-optical performance of the twisted nematic LC cells fabricated on the inkjet-printed IZTO films indicates that a directly patterned IZTO film formed by inkjet printing is a promising option for creating printable transparent electrodes for cost-efficient LC cells. © 2013 IOP Publishing Ltd.
- KSP Keywords
- Cell fabrication, Co-doped, Cost-efficient, Electro-Optical, Inkjet printing, Line pitch, Liquid crystal (LC) devices, Liquid crystal device, Liquid crystals(LCs), Nano-sized particle, Optical performance