Solution-Derived Hafnium Lanthanum Oxide Films Prepared Using Ion-Beam Irradiation and Their Applications as Alignment Layers for Twisted-Nematic Liquid Crystal Displays

Byeong-yun Oh

한국전기전자재료학회 Transactions on Electrical and Electronic Materials Solution-Derived Hafnium Lanthanum Oxide Films Prepared Using Ion-Beam Irradiation and Their Applications as Alignment Layers for Twisted-Nematic Liquid Crystal Displays

KCI 등재 SCOPUS

( Byeong-yun Oh )

한국전기전자재료학회 2016.12

Transactions on Electrical and Electronic Materials 17권 6호 355-358(4pages)

UCI I410-ECN-0102-2018-500-000254055

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초록

We present the alignment characteristics of LC (liquid crystal) molecules on solution-derived HLO (hafnium lanthanum oxide) films fabricated using IB (ion-beam) irradiation. We then demonstrated that LC molecules can be homogeneously and uniformly aligned on the HLO film irradiated at an IB incident energy of 1.2 keV. Physicochemical analysis methods such as atomic force microscopy and X-ray photoelectron spectroscopy were used to verify the LC alignment mechanism on the IB-irradiated HLO film. In addition, the electro-optical performance of a TN (twisted-nematic) cell fabricated using the IB-irradiated HLO film exhibited characteristics superior to those of the conventional TN cell fabricated using a rubbed polyimide layer.

키워드

Liquid crystal alignment layer

Solution process

Hafnium lanthanum oxide

Ion-beam irradiation

Electro-optical properties

1. INTRODUCTION
2. EXPERIMENTS
3. RESULTS AND DISCUSSION
4. CONCLUSIONS
REFERENCES

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