彩色滤光膜硅覆液晶微显示器的三维光学建模
Three-dimensional optical modeling of color filter liquid-crystal-on-silicon microdisplays
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摘要: 本文针对彩色滤光膜(color filter,CF)硅覆液晶(liquid crystal on silicon,LCoS)微显示器件(microdisplay)中的微型彩色像素建立了三维光学模型.这个三维光学建模主要分为三个过程,即彩色液晶器件的机电特性分析,利用扩展琼斯矩阵(extended Jones matrix)计算器件的光反射率,以及采用标准RGB(standard RGB,sRGB)协议将CF-LCoS微显示阵列中各像素点的光反射特性还原成彩色图像.通过上述过程建立的三维光学模型用于CF-LCoS的光学特性研究并与实验数据进行比较.比较结果显示,模拟得到的CF-LCoS微显示器的光学特性与实验结果非常符合.Abstract: A three-dimensional(3D) optical model is developed for small color pixels in color filter liquid-crystal-on-silicon(CF-LCOS) microdisplays.The 3D optical model includes an LC electromechanical analysis of color LC cells,a calculation of optical reflectance using the extended Jones matrix,and a standard RGB(sRGB) representation of the optical reflectance in the pixel array.The simulated optical reflectance accords well with the experimental result.
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