한국전기전자재료학회:학술대회논문집 (Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference)

한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
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DLC 박막을 이용한 액정 배향 효과

Liquid Crystal Alignment Effects using a DLC Thin Film

  • 조용민 (연세대학교 전기전자공학과) ;
  • 황정연 (연세대학교 전기전자공학과) ;
  • 서대식 (연세대학교 전기전자공학과) ;
  • 노순준 (연세대학교 재료공학부) ;
  • 이대규 (연세대학교 재료공학부) ;
  • 백흥구 (연세대학교 재료공학부)
  • 발행 : 2001.11.01
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초록

We studied the nematic liquid crystal (NLC) aligning capabilities using the new alignment material of diamond like carbon (DLC) thin film. A high pretilt angle of about 4$^{\circ}$ was measured by ion beam(IB) exposure on the DLC thin film surface. A good LC alignment was observed by the IB alignment method on the DLC thin film surface at annealing temperature of 200$^{\circ}C$, and the alignment defect of the NLC was observed above annealing temperature of 220$^{\circ}C$ . Consequently, the high NLC pretilt angle and the good thermal stability of LC alignment can be achieved by the IB alignment method on the DLC thin film surface.

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