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Liquid Crystals Volume 46, 2019 - Issue 1
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Article

Liquid crystal alignment on ion-beam irradiated bismuth-doped tin oxide films and their application to liquid crystal displays

Hae-Chang JeongDepartment of Electrical and Electronic Engineering, Yonsei University, Seoul, Korea
,
Ju Hwan LeeDepartment of Electrical and Electronic Engineering, Yonsei University, Seoul, Korea
,
Dong Hyum KimDepartment of Electrical and Electronic Engineering, Yonsei University, Seoul, Korea
,
Dong Wook LeeDepartment of Electrical and Electronic Engineering, Yonsei University, Seoul, Korea
,
Jeong Min HanDepartment of electricity, Seoil University, Seoul, Republic of Korea
,
Byeong-Yun OhBusiness Incubator, ZeSHTech Co., Ltd., Gwangju Institute of Science and Technology, Gwangju, Republic of Korea
,
Tae Wan KimDepartment of Physics, Hongik University, Seoul, Korea
&
Dae-Shik SeoDepartment of Electrical and Electronic Engineering, Yonsei University, Seoul, KoreaCorrespondence[email protected]
 show all
Pages 86-93 | Received 21 Feb 2018, Accepted 29 Apr 2018, Published online: 26 Jun 2018
 
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ABSTRACT

Uniform and defect-free homogeneous alignment of liquid crystal (LC) molecules on solution-derived bismuth-doped tin oxide (TBO) films has been achieved using ion-beam (IB) irradiation. We performed measurements and physicochemical analysis to verify and establish the cause of the successful LC alignment. In addition, we measured the electro-optical characteristics of twisted-nematic cells with IB-irradiated TBO films to explore the suitability of this material for liquid crystal displays (LCDs). The results indicate that this approach will allow the fabrication of high-performance enhanced LCD devices.

Graphical Abstract

Disclosure statement

No potential conflict of interest was reported by the authors.

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