Liquid crystal alignment effects using a-C:H thin films deposited at RF bias condition

Jeong Yeon Hwang, Chang Joon Park, Dae Shik Seo, Soon Joon Rho, Hong Koo Baik

Research output: Contribution to journalConference article

Abstract

The nematic liquid crystal (NLC) aligning capabilities using a-C:H thin film deposited at the three kinds of rf bias condition were investigated. A high pretilt angle of about 11° by the ion beam alignment method was observed on the a-C:H thin film (polymer-like carbon) deposited at 1 W rf bias condition, and the low pretilt angle the NLC than 1 W rf bias conditions was observed on the a-C:H thin film (diamond-like carbon) deposited at rf 30 W and 60 W bias condition. Consequently, the high LC pretilt angle and the good aligning capabilities of LC alignment by the ion beam alignment method on the a-C:H thin film deposited at 1 W rf bisa condition can be achieved. Also, the good thermal stability of LC alignment by the IB alignment method on the a- C:H thin film as working gas at rf bias condition can be achieved.

Original languageEnglish
Pages (from-to)[207]/63-[216]/72
JournalFerroelectrics
Volume309-312
DOIs
Publication statusPublished - 2004
Event9th International Conference on Ferroelectric Liquid Crystals, FLC 2003 - Dublin, Ireland
Duration: 2003 Aug 242003 Aug 29

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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