Solution-Derived Zn-Doped GaO Films as Alignment Layers for Twisted-Nematic Liquid Crystal Displays Using Ion-Beam Bombardment

Yun Gun Lee, Gi Seok Heo, Hong Gyu Park, Hae Chang Jeong, Ju Hwan Lee, Dae Shik Seo

Research output: Contribution to journalArticle

3 Citations (Scopus)


This letter demonstrates liquid crystal (LC) alignment on solution-derived Zn-doped GaO (ZnGaO) films using an ion beam (IB) method. Homogeneous and uniform LC alignment was achieved on IB-irradiated ZnGaO films. X-ray photoelectron spectroscopy was used to analyze the chemical bonding states of the IB-irradiated ZnGaO surfaces to verify the compositional behavior for LC alignment. In addition, ZnGaO films with twisted nematic cells exhibited electro-optical characteristics comparable with those of a conventional polyimide layer for potential LC display applications.

Original languageEnglish
Article number7122885
Pages (from-to)817-819
Number of pages3
JournalIEEE Electron Device Letters
Issue number8
Publication statusPublished - 2015 Aug 1


All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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