标题: | 反射式扭转型线状液晶显示器特性研究 Study on the characteristics of reflective twisted nematic liquid crystal display |
作者: | 曾德源 Der-Yuan Tseng 王淑霞 Shu-Hsia Chen 光电工程学系 |
关键字: | 反射式液晶盒量测;扭转型线状液晶盒量测;反射式液晶显示器特性;reflective liquid crystal cell measurement;twist nematic liquid crystal cell measurement;characteristics of reflective liquid crystal display |
公开日期: | 2002 |
摘要: | 液晶盒参数对于液晶显示器的光学特性有很大的影响,例如亮度、对比度及响应时间等。目前已有文献提出一些量测反射式扭转型线状液晶盒厚度及扭转角的方法。在本篇论文中,我们同时提出了几种简单而精确的量测方法,可以在不知道液晶盒配向角度的情况下来量测液晶盒的厚度及扭转角。另一方面我们也藉由模拟及实验上的观察探讨边际电场在不同画素大小及间距下对于反射率及对比度的影响。 The optical characteristics of LCDs are sensitive to the structural parameters of liquid crystal cells, such as brightness, contrast ratio and response time. At present, several methods have been proposed to measure the cell gap and twist angle of reflective TN-LCDs. In this thesis, we present several simple and precise methods for measuring the cell gap and twist angle of TN-LCDs when the rubbing direction of liquid crystal cell is unknown. On the other hand, we investigate the influences of fringing field effects on the reflectance and the contrast ratio with different pixel sizes and pixel gaps via simulations and experimental observations. |
URI: | http://140.113.39.130/cdrfb3/record/nctu/#NT910614021 http://hdl.handle.net/11536/71102 |
显示于类别: | Thesis |
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