Analysis of Impurity Ion Affecting Image Sticking Effect on Liquid Crystal Display

DOI Web Site 6 References
  • MIZUSAKI Masanobu
    Department of Electronics, Graduate school of Engineering, Tohoku University:Corporate Research and Development Group, SHARP Corporation
  • MIYASHITA Tetsuya
    Department of Electronics, Graduate school of Engineering, Tohoku University
  • UCHIDA Tatsuo
    Department of Electronics, Graduate school of Engineering, Tohoku University
  • YAMADA Yuichiro
    Corporate Research and Development Group, SHARP Corporation

Bibliographic Information

Other Title
  • 液晶ディスプレイの残像現象に影響する不純物イオンの解析(ディスプレイ一般)
  • 液晶ディスプレイの残像現象に影響する不純物イオンの解析
  • エキショウ ディスプレイ ノ ザンゾウ ゲンショウ ニ エイキョウ スル フジュンブツ イオン ノ カイセキ

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Description

Image sticking can be observed in some case and it degrades the image quality of liquid crystal (LC) display. The image sticking is considerd to be induced by generation of residual DC voltage (V_<rDC>), which would be caused by the presence of ion in a LC cell. We clarified the generation mechanism of V_<rDC> based on a model of adsorption and desorption of the ion to and from the interface between LC and alignment layer. The accurate measurement method of V_<rDC> is proposed base on the adsorption and desorption rate constants at the surface.

Journal

  • ITE Technical Report

    ITE Technical Report 33.29 (0), 13-16, 2009

    The Institute of Image Information and Television Engineers

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