具有内部漫射反射器的高对比度和高亮度反射LCD

Proceedings of 5th Asian Symposium on Information Display. ASID '99 (IEEE Cat. No.99EX291) Pub Date : 1999-03-18 DOI:10.1109/ASID.1999.762709

Dai‐Liang Ting, Chung-Yuan Liu, J. Shiu, Wei-Chih Chang, Hung-Ta Wei, C.‐J. Wen

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引用次数: 4

摘要

我们开发了一种具有内部扩散反射器(IDR)的高对比度和高亮度反射LCD。IDR用于单偏振器配置，使用混合模扭曲向列(MTN)效应。设计合理的漫射反射器能有效地在准直的环境光下产生明亮的反射像。采用MTN模式，其对比度高，对细胞间隙变化的容忍度大。测试单元显示对比度超过40:1，响应时间小于20ms，反射率为22%(当与微彩色滤光片结合时)，相对于兰伯标准白色，在显示器的法线方向在-30/spl度/准直照明下测量。

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A high contrast and high brightness reflective LCD with an internal diffusive reflector

We have developed a high contrast and high brightness reflective LCD with an internal diffusive reflector (IDR). The IDR is used in a single-polarizer configuration using mixed-mode twisted nematic (MTN) effect. The diffusive reflector, with proper design, is effective in yielding a bright reflective-image under collimated ambient light. The MTN mode is adopted for its high contrast and large tolerance to cell gap variation. The test cell shows contrast ratio over 40:1, response time less than 20 ms and reflectivity of 22% (when combined with micro color filters) relative to a Lambertian standard white, measured at display's normal direction under -30/spl deg/ collimated illumination.

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Proceedings of 5th Asian Symposium on Information Display. ASID '99 (IEEE Cat. No.99EX291)

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