Transparent conductive Al-doped ZnO films for liquid crystal displays

Byeong Yun Oh; Min Chang Jeong; Tae Hyoung Moon; Woong Lee; Jae Min Myoung; Jeoung Yeon Hwang; Dae Shik Seo

doi:10.1063/1.2206417

Transparent conductive Al-doped ZnO films for liquid crystal displays

Byeong Yun Oh, Min Chang Jeong, Tae Hyoung Moon, Woong Lee, Jae Min Myoung, Jeoung Yeon Hwang, Dae Shik Seo

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209 Citations (Scopus)

Abstract

Al-doped zinc oxide (ZnO:Al) films were applied to liquid crystal displays (LCDs) as transparent electrodes substituting indium tin oxide (ITO). While the ZnO:Al-based twisted nematic LCD cell showed similar operational behavior to ITO-based counterpart, its electro-optical (EO) and residual dc (r-dc) characteristics were somewhat improved. Capacitance-voltage relations suggested that these improved EO and r-dc characteristics of the ZnO:Al-based LCD cell are due to the substantially lower density of charge carrier trapping centers in the polyimide layer/electrode interface region, demonstrating high application potential of ZnO:Al films as transparent electrodes of LCDs.

Original language	English
Article number	124505
Journal	Journal of Applied Physics
Volume	99
Issue number	12
DOIs	https://doi.org/10.1063/1.2206417
Publication status	Published - 2006 Jul 11

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All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

Cite this

Oh, B. Y., Jeong, M. C., Moon, T. H., Lee, W., Myoung, J. M., Hwang, J. Y., & Seo, D. S. (2006). Transparent conductive Al-doped ZnO films for liquid crystal displays. Journal of Applied Physics, 99(12), [124505]. https://doi.org/10.1063/1.2206417

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abstract = "Al-doped zinc oxide (ZnO:Al) films were applied to liquid crystal displays (LCDs) as transparent electrodes substituting indium tin oxide (ITO). While the ZnO:Al-based twisted nematic LCD cell showed similar operational behavior to ITO-based counterpart, its electro-optical (EO) and residual dc (r-dc) characteristics were somewhat improved. Capacitance-voltage relations suggested that these improved EO and r-dc characteristics of the ZnO:Al-based LCD cell are due to the substantially lower density of charge carrier trapping centers in the polyimide layer/electrode interface region, demonstrating high application potential of ZnO:Al films as transparent electrodes of LCDs.",

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AU - Hwang, Jeoung Yeon

AU - Seo, Dae Shik

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10.1063/1.2206417