Electro-optical characteristics of Twisted Nematic (TN)-Liquid Crystal Display (LCD) on a polyimide surface exposed to an ion beam (IB) with new type equipment

Sang Hoon Kim, Jeoung Yeon Hwang, Jong Hwan Kim, Dae Shik Seo

Research output: Contribution to journalArticle

Abstract

We studied liquid crystal (LC) alignment with ion beam (IB) on polyimide and electro-optical characteristics of twisted nematic (TN)-liquid crystal display (LCD) on the polyimide surface using obliquely ion beam (IB) exposure with new IB type equipment (DuoPIGatron type ion gun). A good uniform alignment of the nematic liquid crystal (NLC) alignment with the ion beam exposure on the polyimide surface was observed. In addition, it can be achieved the good EO properties of the ion-beam-aligned TN-LCD on polyimide surface. Also the EO characteristics of the ion-beam-aligned TN-LCD on a polyimide (PI) surface with ion beam exposure using new type IB equipment is almost the same as that of ion-beam-aligned TN-LCD on a polyimide (PI) surface with ion beam exposure using Kaufman-type Ar ion gun.

Original languageEnglish
Pages (from-to)71-79
Number of pages9
JournalMolecular Crystals and Liquid Crystals
Volume458
Issue number1
DOIs
Publication statusPublished - 2006 Nov 1

All Science Journal Classification (ASJC) codes

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

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