한국정보디스플레이학회:학술대회논문집

한국정보디스플레이학회 (The Korean Infomation Display Society)
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Novel Alignment Layers for Ion Beam Method and the Orientations of Liquid Crystal

  • Ahn, Han-Jin (Dept. of Metallurgical Engineering, Univ. of Yonsei) ;
  • Kim, Kyung-Chan (Dept. of Metallurgical Engineering, Univ. of Yonsei) ;
  • Kim, Jong-Bok (Dept. of Metallurgical Engineering, Univ. of Yonsei) ;
  • Baik, Hong-Koo (Dept. of Metallurgical Engineering, Univ. of Yonsei) ;
  • Park, Chang-Joon (Dept. of Electrical & Electronic Engineering, Univ. of Yonsei) ;
  • Hwang, Jeoung-Yeon (Dept. of Electrical & Electronic Engineering, Univ. of Yonsei) ;
  • Seo, Dae-Shik (Dept. of Electrical & Electronic Engineering, Univ. of Yonsei)
  • 발행 : 2004.08.23
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초록

Various inorganic alignment layers of nematic liquid crystal (NLC) molecules were investigated. Ar ion beam (IB) irradiation was utilized for alignment method and homogenous and homeotropic orientations with tilt angle were obtained on the suitable inorganic thin films. Proper doping materials were added to diamond-like carbon (DLC) films. In the case of homogeneous alignment, nitrogen doping affected the increase of pretilt angle, while the fluorine bonding in the DLC films was induced the tilted homeotropic alignment cause its extreme hydrophobic property. These results showed that ion beam irradiation method could be applied to the various alignment mode of NLC such as IPS, TN and MVA.

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