대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)

대한전기학회 (The Korean Institute of Electrical Engineers)
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복합 광폴리머 표면을 이용한 장배향 TN 셀의 액정배향 특성

Liquid Crystal Aligning Capabilities in the Photoaligned TN-Cell on Blending Photopolymer

  • 황정연 (연세대학교 전기전자공학과) ;
  • 조용민 (연세대학교 전기전자공학과) ;
  • 서대식 (연세대학교 전기전자공학과) ;
  • 서동학 (한양대학교 공업화학과)
  • Hwang, Jeoung-Yeon (Department of Electrical & Electronics Eng., Yonsei University) ;
  • Jo, Yong-Min (Department of Electrical & Electronics Eng., Yonsei University) ;
  • Seo, Dae-Shik (Department of Electrical & Electronics Eng., Yonsei University) ;
  • Suh, Dong-Hack (Department of Industrial Chemistry, Hanyang University)
  • 발행 : 2001.11.03
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초록

The electro-optical (EO) characteristics for the twisted-nematic (TN)-liquid crystal display (LCD) photo-aligned with polarized UV exposure on various blending photopolymer surfaces were investigated. Excellent LC alignment and voltage-transmittance (V-T) characteristics for TN-LCD photo-aligned with polarized UV exposure of normal incidence on the blending Photopolymer (polyimide (PI) + PM4Ch (poly(4-methacryloyloxy chalcone))) surface containing chalcone group can be achieved. The EO performances of the TN-LCD photo-aligned on the blending photopolymer can be improved due to the photosensitivity by long side chain of the photopolymer.

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