A High Contrast and High Brightness Reflective LCD with an Internal Diffusive Reflector (第5回日韓台中情報ディスプレイ合同研究会(ASID '99)) -- (LCD Technology-1)

概要

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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゜ collimated illumination.
社団法人映像情報メディア学会の論文
1999-03-18