한국정보디스플레이학회:학술대회논문집

The Korean Infomation Display Society (한국정보디스플레이학회)
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Liquid Crystal Alignment Effect on the Polymer Surface using Thin Plastic Substrate

  • Hwang, J.Y. (Department of Electrical and Electronic Engineering, College of Engineering, Yonsei University) ;
  • Nam, K.H. (Department of Electrical and Electronic Engineering, College of Engineering, Yonsei University) ;
  • Kim, J.H. (Department of Electrical and Electronic Engineering, College of Engineering, Yonsei University) ;
  • Seo, D.S. (Department of Electrical and Electronic Engineering, College of Engineering, Yonsei University) ;
  • Choi, M.K. (School of Chemical Engineering, College of Engineering, Hanyang University) ;
  • Suh, D.H. (School of Chemical Engineering, College of Engineering, Hanyang University)
  • Published : 2004.08.23
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Abstract

We have investigated the generation of pretilt angle for a nematic liquid crystal (NLC) alignment with rubbing alignment method on the two kinds of polyimide (PI) surfaces using thin plastic substrates. The NLC pretilt angles generated on thin plastic substrates are higher than that on the glass substrate. We study that AFM (atomic force microscope) image of rubbed PI surface with polymer film has formed the micro-groove. Also, EO characteristics of the TN-LCD with a rubbed PI surface based on polymer are almost the same as that of the TN-LCD with a rubbed PI surface based on glass.

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