한국정보디스플레이학회:학술대회논문집

한국정보디스플레이학회 (The Korean Infomation Display Society)
권호 표지

Abnormal Behavior in Color Tracking in the Fringe-Field Switching (FFS) Liquid Crystal Display

  • Jung, Jun-Ho (Polymer BIN Fusion Research Center, Dept. of Polymer.Nano Science and Technology, Chonbuk National University) ;
  • Ha, Kyung-Su (Polymer BIN Fusion Research Center, Dept. of Polymer.Nano Science and Technology, Chonbuk National University) ;
  • Chae, Mi-Na (Polymer BIN Fusion Research Center, Dept. of Polymer.Nano Science and Technology, Chonbuk National University) ;
  • Cho, In-Young (Polymer BIN Fusion Research Center, Dept. of Polymer.Nano Science and Technology, Chonbuk National University) ;
  • Kim, Woo-Il (Polymer BIN Fusion Research Center, Dept. of Polymer.Nano Science and Technology, Chonbuk National University) ;
  • Kim, Dae-Hyun (Polymer BIN Fusion Research Center, Dept. of Polymer.Nano Science and Technology, Chonbuk National University) ;
  • Kim, Sung-Min (Polymer BIN Fusion Research Center, Dept. of Polymer.Nano Science and Technology, Chonbuk National University) ;
  • Lee, Seung-Hee (Polymer BIN Fusion Research Center, Dept. of Polymer.Nano Science and Technology, Chonbuk National University)
  • 발행 : 2009.10.12
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초록

Color tracking behavior of in the fringe-field switching (FFS) mode using a liquid crystal with positive dielectric anisotropy has been studied. In the in-plane switching and vertical alignment devices, color chromaticity at normal direction changes from bluish to yellowish white linearly with increasing grey levels from dark to white state. Interestingly, abnormal behavior in color tracking is observed in FFS devices using a liquid crystal with positive dielectric anisotropy, that is, it changes from bluish to yellowish up to a certain middle grey level but turns over to bluish white with further increasing from a grey level to a fully white state. In this paper, we analyze this abnormal effect from the calculated and experimental results.

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