Liquid crystal aligning capabilities and eo characteristics of the TN-LCD with ion-beam exposure on a new diamond-like carbon thin film layer

Yong Min Jo, Jeoung Yeon Hwang, Dae Shik Seo, Soon Jun Rho, Hong Koo Baik

Research output: Contribution to journalConference articlepeer-review

9 Citations (Scopus)

Abstract

Liquid crystal (LC) alignment capabilities with ion beam (IB) exposure on a diamond like carbon (DLC) layer were studied. A high pretilt angle of 3.5° with IB exposure on the DLC layer can be obtained. Superior LC alignment with the IB alignment method on the DLC layer was observed until an annealing temperature of 200°C. Also, excellent voltage-transmittance (V-T) curve of the ion beam aligned twisted nematic (TN) cell with oblique ion beam exposure on the DLC surface for 1 min was observed. The fast response time of the ion beam aligned TN cell with oblique ion beam exposure on the DLC surface for 1 min can be achieved. The residual DC property of the ion beam aligned TN cell with ion beam exposure on the DLC layer for 1 min is almost same as that of the rubbing aligned TN cell on a rubbed polyimide (PI) surface.

Original languageEnglish
Pages (from-to)319/[847]-327/[855]
JournalMolecular Crystals and Liquid Crystals
Volume410
DOIs
Publication statusPublished - 2004
EventProceedings of the 19th International Liquid Crystal Conference, ILCC2002 - Edinburgh, United Kingdom
Duration: 2002 Jun 302002 Jul 5

Bibliographical note

Funding Information:
This work was supported by the National Research Laboratory program (MI-0203-00-0008).

All Science Journal Classification (ASJC) codes

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

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