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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Study of wide viewing angle and response time by using new VA-$\pi$ cell mode cell mode

새로운 VA-$\pi$ cell mode cell mode를 이용한 광시야각 및 응답속도에 관한 연구

  • 이정호 (숭실대학교 공과대학 전기공학과) ;
  • 김진호 (숭실대학교 공과대학 전기공학과 서대식 숭실대학교 공과대학 전기공학과)
  • Published : 1999.11.01
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Abstract

We have developed an novel vertical-alignment (VA) - $\pi$ cell mode that provides a wide viewing angle and fast response times for negative dielectric anisotropy nematic liquid crystal (NLC) on a homeotropic polyimide (PI) surfaces. We had the good voltage-transmittance curves and low driving voltages were achieved with the novel VA - $\pi$ cell mode without negative compensation film. Iso-viewing angle characteristics using the novel VA - $\pi$ cell mode without negative compensation film of NLC was also successfully observed. As well a fast response time of 31.7ms for the novel VA - $\pi$ cell mode was measured. Consequently, It is seen that by using the novel VA - $\pi$ cell mode the iso-viewing angle, fast response time, and low driving voltage characteristics can be achieved.

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