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http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/41200
標題: | 利用混合模態與邊緣場效驅動之寬頻帶單間隙半穿透半反射液晶顯示器模擬 Simulation of Wide-band Single Cell Gap Transflective LCD Using Hybrid Modes and Fringe-Field-Switching |
作者: | Chen-Hsi Kang 康鎮璽 |
指導教授: | 蔡永傑(Wing-Kit Choi) |
關鍵字: | 半穿透半反射,混合液晶模態,邊緣場效驅動,液晶光學模擬, Transflective,Hybrid LC Modes,Fringe-Field-Switching,Simulation of LC Optics, |
出版年 : | 2008 |
學位: | 碩士 |
摘要: | 本論文以邊緣電場(Fringe-field)為主要的驅動方式,產生FFS液晶模態,使得液晶顯示器具備基本的廣視角及良好的光電效率。首先根據wide-band原理,設計出具有wide-band效果的混合配向反射式結構,討論參數對光電曲線的影響。接著依照相同的觀念,設計兩種穿透式結構:水平配向與混合配向的穿透式結構。
利用模擬軟體2DIMMOS,根據反射式結構的特性,微調反射或穿透區的相關參數,改善E-O curve不一致的問題。接著再利用模擬軟體TechWiz LCD,藉由理論計算結果,外加正C plate,補償相位遲滯片與液晶層。最後我們可設計出同時具有TR match與廣視角的半穿透半反射液晶顯示器。 In this thesis, we use fringe-field as the major drived method to producing FFS LC mode. This kind of LCD has wide viewing angle and good electro-optic efficiency. At first, according to wide-band theory, we can design the hybrid aligned reflective LCD which have wide-band effect. Then, we discuss the influences of parameters on E-O curve. Secondly, we design two different transmissive structures in the light of the same concept : parallel aligned and hybrid aligned transmissive structures. By using the 2DIMMOS software, we fine tune the related parameters of reflective or transmissive region in order to improve the inconsistence of E-O curve. According to the result of calculation with theory, we add positive C plates to compensate the retarder and LC layer by the software TechWiz LCD. After a series of simulations and corrections, we can finally devise a transflective LCD which is TR matched and with wide-viewing angle property. |
URI: | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/41200 |
全文授權: | 有償授權 |
顯示於系所單位: | 光電工程學研究所 |
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ntu-97-1.pdf 目前未授權公開取用 | 6.96 MB | Adobe PDF |
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