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

Research output: Contribution to journal › Article › peer-review

232 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

Bibliographical note

Funding Information:
This work was supported by the NGE (Next Growth Engine) project.

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1063/1.2206417

Cite this

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title = "Transparent conductive Al-doped ZnO films for liquid crystal displays",

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 - Oh, Byeong Yun

AU - Jeong, Min Chang

AU - Moon, Tae Hyoung

AU - Lee, Woong

AU - Myoung, Jae Min

AU - Hwang, Jeoung Yeon

AU - Seo, Dae Shik

N1 - Funding Information: This work was supported by the NGE (Next Growth Engine) project.

PY - 2006

Y1 - 2006

N2 - 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.

AB - 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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Transparent conductive Al-doped ZnO films for liquid crystal displays

Abstract

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