Alignment capabilities and EO performances of VA-LCD using transparent conductive Al-doped ZnO films

Sang Hoon Kim; Jeoung Yeon Hwang; Jong Hwan Kim; Young Hwan Kim; Dong Hun Kang; Sang Keuk Lee; Jin Woo Han; Chul Ho Ok; Dae Shik Seo; Eung Sang Kim

doi:10.1080/15421400701732514

Alignment capabilities and EO performances of VA-LCD using transparent conductive Al-doped ZnO films

Sang Hoon Kim, Jeoung Yeon Hwang, Jong Hwan Kim, Young Hwan Kim, Dong Hun Kang, Sang Keuk Lee, Jin Woo Han, Chul Ho Ok, Dae Shik Seo, Eung Sang Kim

Department of Electrical and Electronic Engineering

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

2 Citations (Scopus)

Abstract

Transparent electrodes are indispensable for most of the flat panel display as liquid crystal display (LCD). We investigated liquid crystal (LC) aligning capabilities and electro-optical (EO) characteristics of transparent electrodes as Al-doped ZnO (ZnO:Al) substituting indium tin oxide (ITO). The experiment results show that a uniform vertical LC alignment on ZnO:Al electrodes based on a rubbed polyimide (PI) surface were achieved. A high pretilt angle of about 88 was obtained. EO performances of the VA-LCD on rubbed PI surfaces with ZnO:Al is almost the same as that of the VA-LCD with ITO electrodes. These results appeared that ZnO:Al electrodes as transparent electrodes of LCDs could substitute ITO electrodes.

Original language	English
Pages (from-to)	23-32
Number of pages	10
Journal	Molecular Crystals and Liquid Crystals
Volume	475
Issue number	1
DOIs	https://doi.org/10.1080/15421400701732514
Publication status	Published - 2007 Jan

All Science Journal Classification (ASJC) codes

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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title = "Alignment capabilities and EO performances of VA-LCD using transparent conductive Al-doped ZnO films",

abstract = "Transparent electrodes are indispensable for most of the flat panel display as liquid crystal display (LCD). We investigated liquid crystal (LC) aligning capabilities and electro-optical (EO) characteristics of transparent electrodes as Al-doped ZnO (ZnO:Al) substituting indium tin oxide (ITO). The experiment results show that a uniform vertical LC alignment on ZnO:Al electrodes based on a rubbed polyimide (PI) surface were achieved. A high pretilt angle of about 88 was obtained. EO performances of the VA-LCD on rubbed PI surfaces with ZnO:Al is almost the same as that of the VA-LCD with ITO electrodes. These results appeared that ZnO:Al electrodes as transparent electrodes of LCDs could substitute ITO electrodes.",

author = "Kim, {Sang Hoon} and Hwang, {Jeoung Yeon} and Kim, {Jong Hwan} and Kim, {Young Hwan} and Kang, {Dong Hun} and Lee, {Sang Keuk} and Han, {Jin Woo} and Ok, {Chul Ho} and Seo, {Dae Shik} and Kim, {Eung Sang}",

year = "2007",

month = jan,

doi = "10.1080/15421400701732514",

language = "English",

volume = "475",

pages = "23--32",

journal = "Molecular Crystals and Liquid Crystals",

issn = "1542-1406",

publisher = "Taylor and Francis Ltd.",

number = "1",

}

Alignment capabilities and EO performances of VA-LCD using transparent conductive Al-doped ZnO films. / Kim, Sang Hoon; Hwang, Jeoung Yeon; Kim, Jong Hwan; Kim, Young Hwan; Kang, Dong Hun; Lee, Sang Keuk; Han, Jin Woo; Ok, Chul Ho; Seo, Dae Shik; Kim, Eung Sang.

In: Molecular Crystals and Liquid Crystals, Vol. 475, No. 1, 01.2007, p. 23-32.

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

TY - JOUR

T1 - Alignment capabilities and EO performances of VA-LCD using transparent conductive Al-doped ZnO films

AU - Kim, Sang Hoon

AU - Hwang, Jeoung Yeon

AU - Kim, Jong Hwan

AU - Kim, Young Hwan

AU - Kang, Dong Hun

AU - Lee, Sang Keuk

AU - Han, Jin Woo

AU - Ok, Chul Ho

AU - Seo, Dae Shik

AU - Kim, Eung Sang

PY - 2007/1

Y1 - 2007/1

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AB - Transparent electrodes are indispensable for most of the flat panel display as liquid crystal display (LCD). We investigated liquid crystal (LC) aligning capabilities and electro-optical (EO) characteristics of transparent electrodes as Al-doped ZnO (ZnO:Al) substituting indium tin oxide (ITO). The experiment results show that a uniform vertical LC alignment on ZnO:Al electrodes based on a rubbed polyimide (PI) surface were achieved. A high pretilt angle of about 88 was obtained. EO performances of the VA-LCD on rubbed PI surfaces with ZnO:Al is almost the same as that of the VA-LCD with ITO electrodes. These results appeared that ZnO:Al electrodes as transparent electrodes of LCDs could substitute ITO electrodes.

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Alignment capabilities and EO performances of VA-LCD using transparent conductive Al-doped ZnO films

Abstract

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