本實驗主要是研究扭轉式向列相液晶在斜向視角大角度的光學特性。由於扭轉式向列相液晶在斜向視角下且低操作電壓的情況下其相位延遲值與液晶扭轉角度在不同方位上有很大的差異，利用此光學異向性來設計可切換於廣視角與窄視角間的液晶面板。而所設計出來的視角切換面板在窄視角模式時只有在正向以及下方視角時影像是清晰的，因此有很好的隱私保護效果，利用本研究所得到的結果可應用在行動通訊顯示產品上。

This study investigates the optical properties of the twisted-nematic liquid-crystals at oblique directions and their applications. A large difference in the phase retardation and the twisted angle of the TN-LC from different viewing directions occurs at the low voltage regime. The proposed viewing angle switching (VAS) panel is developed using this large optically anisotropic behavior of the TN-LC. The proposed VAS panel is only perceived clearly at normal and downward directions in a narrow viewing angle mode to ensure high privacy protection, it highly promising for mobile device applications.

目錄
摘要 ........................................................................................................Ⅰ
Abstract.................................................................................................... Ⅱ
致謝 ........................................................................................................Ⅲ
目錄 ........................................................................................................Ⅳ
圖表索引 ................................................................................................Ⅵ
第一章 導論..............................................................................................1
§1-1 前言 ...................................................................................... 1
§1-2 液晶簡介 .............................................................................. 2
§1-2-1 何謂液晶(Liquid Crystal) ....................................... 2
§1-2-2 液晶的種類 ............................................................ 3
§1-3 液晶物理 ............................................................................ 10
§1-3-1 液晶分子排列的秩序參數 ................................. 10
§1-3-2 液晶的光學異向性(Optical Anisotropic) ............ 10
§1-3-3 液晶的連續體彈性形變理論............................... 13
§1-3-4 外加場對絕緣向列液晶的影響........................... 14
第二章 相關理論...................................................................................19
§2-1尤拉角..................................................................................... 19
§1-2-1尤拉角靜態的定義...................................................19
§1-2-2尤拉角的旋轉矩陣...................................................21
§2-2 Extended Jones Matrix 分析........................................... .. 22
第三章 樣品製作與實驗裝置................................................................29
§3-1樣品介紹................................................................................29
§3-1-1 材料介紹 ............................................................... 29
§3-1-2 樣品製作 ............................................................... 30
§3-2 實驗裝置 ........................................................................ 32
§3-2-1視角穿透率量測....................................................... 32
§3-2-2實驗樣品成像裝置架設............................................33
第四章 實驗結果與討論........................................................................34
§4-1不同twist angle的扭轉型向列相液晶模擬結果..................34
§4-2光學模擬分析.......................................................................39
§4-3實驗驗證....................................................................50
第五章 結論............................................................................................54
參考文獻..................................................................................................55

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