Study on Influence of Space Charge Polarization to Internal Electric Field of Liquid Crystal Cell

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Other Title
  • 空間電荷分極が液晶セル内の電場分布に及ぼす影響の考察
  • クウカン デンカ ブンキョク ガ エキショウ セル ナイ ノ デンバ ブンプ ニ オヨボス エイキョウ ノ コウサツ

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Description

The internal electric field of LC cell was simulated in the steady state under the step voltage application by considering Poisson equation. The unevenness of the local field strength was drastically reduced in the analysis by taking the contribution of the space charge polarization into account compared with that without the contribution. The distribution of the local field strength was concerned for the analysis of the space charge polarization, which controls the complex permittivity in the low frequency region, because the distribution of mobile ions should become large with decreasing frequency. Nevertheless, according to the results under the DC field application, the distribution of the local field is found to be so small even in very low frequency region that the local filed can be considered to be approximately equal to the external field.

Journal

  • ITE Technical Report

    ITE Technical Report 24.7 (0), 75-80, 2000

    The Institute of Image Information and Television Engineers

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