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本文利用琼断矩阵理论,推导出扭曲角在0°～90°之间、线性扭曲向列相效应的透过率表达式。它能够比较好地解释ECB效应、TN效应和扭曲角φ∈(0,90°)三种效应之间的关系。
In this paper, we use the Joan matrix theory to derive the expression of the transmissivity of the phase effect of linear twisted nematic with the twist angle between 0 ° and 90 °. It can better explain the relationship between the ECB effect, the TN effect and the three effects of the twist angle φ ∈ (0,90 °).