Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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Effect of the Polarity of Alignment Film in Amorphous TN-LCD for Response Time and Viewing Angle Characteristics

배향막의 극성이 아몰퍼스 TN-LCD의 응답속도와 시야각 특성에 미치는 효과

  • Seo, Dae-Shik (Department of Electrical Engineering, College of Engineering, Soongsil University) ;
  • Lee, Chang-Hoon (Department of Electrical Engineering, College of Engineering, Soongsil University) ;
  • Lee, Bo-Ho (Department of Electrical Engineering, College of Engineering, Soongsil University)
  • 서대식 (숭실대학교 공과대학 전기공학과) ;
  • 이창훈 (숭실대학교 공과대학 전기공학과) ;
  • 이보호 (숭실대학교 공과대학 전기공학과)
  • Published : 1997.07.21
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Abstract

We investigated the effect of polarity of polyimide(PI) film in amorphous (a) - twisted nematic (TN) - liquid crystal display(LCD) for response time and viewing angle. We found that the domain size of a-TN-LCD on PI film with high polarity is smaller then medium polarity. It is considered that the electro-optical characteristics are strongly dependent on this domain in a-TN-LCD. We observed the response time of a-TN-LCD on PI film with high polarity is slow as comparing to PI film with medium polarity. We suggest that the response time of a-TN-LCD is attributed surface effect between the LCs and the substrates.

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