Investigation of electro-optical characteristics of photo-aligned TN-LCDs on PCEMA surfaces

Jeoung Yeon Hwang, Dae Shik Seo, Obom Kwon, Dong Hack Suh, Eun Joo Hahn

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


In this work, a novel photo-alignment material, poly(cinnamolyethyl methacrylate) (PCEMA), was synthesized by photo-dimerization. We investigated the electro-optical characteristics of twisted nematic (TN)-liquid crystal displays (LCDs) photo-aligned with linearly polarized UV light irradiation at normal direction on the PCEMA surfaces. Excellent voltagetransmittance characteristics were observed. The threshold voltage of the photo-aligned TN-LCD decreases with increasing UV irradiation time. Additionally, response times are almost the same as for a rubbing-aligned TN-LCD.

Original languageEnglish
Pages (from-to)1325-1328
Number of pages4
JournalLiquid Crystals
Issue number10
Publication statusPublished - 2000

All Science Journal Classification (ASJC) codes

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


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