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Design of a free-form lens for LED light with high efficiency and uniform illumination

机译:设计用于高效,均匀照明的LED灯的自由曲面透镜

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摘要

A free-form secondary lens is proposed to optimize an LED light. Based on Snell's law, energy conservation law, and a Monte Carlo ray-tracing algorithm, the surface contour of the free-form lens can be determined according to the requirements of an LED light. Optical experimental results show that an optical efficiency of 95.69% can be achieved by the lens, of which the illumination uniformity 0.317 is higher than the commercial illumination uniformity 0.259. The lens does not need the help of a white ring holder, so the cost of the LED light can become effective.
机译:提出了一种自由形式的辅助透镜以优化LED灯。基于斯涅尔定律,能量守恒定律和蒙特卡洛光线追踪算法,可以根据LED灯的要求确定自由曲面透镜的表面轮廓。光学实验结果表明,该透镜的光学效率为95.69%,其照明均匀度0.317高于商业照明均匀度0.259。镜头不需要白环固定器的帮助,因此LED灯的成本可以提高。

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