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

한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
권호 표지

전자종이 표시소자를 위한 수평전기장에서의 플러렌 움직임 연구

Studies of electrokinetic motion of fullerene in liquid crystal medium for electronic paper displays

  • 김미영 (전북대학교 고분자.나노 공학과) ;
  • 김성민 (전북대학교 고분자.나노 공학과) ;
  • 조은미 (전북대학교 고분자.나노 공학과) ;
  • 최정훈 (전북대학교 고분자.나노 공학과) ;
  • 황지혜 (전북대학교 고분자.나노 공학과) ;
  • 아눕 쿠마 스리바스타 (전북대학교 고분자.나노 공학과) ;
  • 이명훈 (전북대학교 고분자.나노 공학과) ;
  • 이승희 (전북대학교 고분자.나노 공학과)
  • Kim, Mi-Young (Department of Polymer.Nano Science and Technology, Chonbuk National University) ;
  • Kim, Sung-Min (Department of Polymer.Nano Science and Technology, Chonbuk National University) ;
  • Jo, Eun-Mi (Department of Polymer.Nano Science and Technology, Chonbuk National University) ;
  • Choi, Jung-Hun (Department of Polymer.Nano Science and Technology, Chonbuk National University) ;
  • Hwang, Ji-Hye (Department of Polymer.Nano Science and Technology, Chonbuk National University) ;
  • Srivastava, Anoop Kumar (Department of Polymer.Nano Science and Technology, Chonbuk National University) ;
  • Lee, Myong-Hoon (Department of Polymer.Nano Science and Technology, Chonbuk National University) ;
  • Lee, Seung-Hee (Department of Polymer.Nano Science and Technology, Chonbuk National University)
  • 발행 : 2008.04.25
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초록

Electrokinetic motion of fullerene ($C_{60}$) particles in liquid crystal (LC) medium under an in-plane electric field has been studied for the application to the electronic paper display. Fullerenes move in the direction of applied electric field due to interaction between the induced dipole moment on $C_{60}$ and external electric field at lower threshold voltages compared to other devices such as QR-LPD (Quick Response Liquid Powder Display) and TBD (Twisting Ball Display). We also confirmed the bistability of fullerene particles in LC medium and the results showed that the 87% and 81% of original reflectance or transmittance of image was retained after 24 hours and 48 hours respectively. Our studies show the possibility that fullerenes can be used for electronic paper display.

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