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

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Electro-optical performance of TN-LCD using linearly polarized UV light irradiation on po1ymide surface

폴리이미드막에 직선편광된 자외선조사를 이용한 TN-LCD의 전기광학특성의 평가

  • 서대식 (숭실대학교 공과대학 전기공학과) ;
  • 이창훈 (숭실대학교 공과대학 전기공학과) ;
  • 이정호 (숭실대학교 공과대학 전기공학과) ;
  • 문학룡 (한국건설기술 연구원)
  • Published : 1998.06.01
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Abstract

In this paper, we studied on electro-optical (EO) characteristics of photo-aligned twisted nematic (TN)-LCD. We obtained that uniform LC alignment in TN-LCD with linearly polarized ultraviolet (LPUV) light irradiation on polyimide (PI) surface increases according to increasing irradiation time for 10 to 60 min. The voltage-transmittance and response time characteristics of photo-aligned TN-LCD with UV light irradiation time of 60 min were almost same in comparison with conventional TN-LCD were observed. From the results, we suggest that photo-aligned TN-LCD with LPUV light irradiation on PI surface is useful in applying LCD as for rubbing-free treatment method.

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