Homogeneously aligned liquid crystals on activated a-Al2O 3 surfaces with strong van der waals forces

Jong Jin Lee, Dai Hyun Kim, Young Hwan Kim, Hae Yoon Jung, Hong Gyu Park, Jin Woo Lee, Dae Shik Seo

Research output: Contribution to journalConference article

3 Citations (Scopus)


This report discusses homogeneously aligned liquid crystals (LCs) subjected to ion-beam (IB) irradiation of the amorphous(a)-Al2O3 alignment layer. We studied the relationship between LC alignment and IB alignment conditions acting on homogeneous surfaces. We attained homogeneous LC orientations on a-Al2O3 alignment layer by optimization between the van der Waals interactions caused by Al-O bonding breaking with x-ray photoelectron spectroscopy. The voltage-transmittance characteristics of the twisted nematic - liquid crystal displays (LCDs) on the a-Al 2O3 film indicate potential for use as the LC alignment layer in various LCD display applications.

Original languageEnglish
Pages (from-to)202-208
Number of pages7
Issue number1
Publication statusPublished - 2012
Event13th International Conference on Ferroelectric Liquid Crystals - Niagara Falls, ON, Canada
Duration: 2012 Aug 282012 Sep 2

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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