白光LED是新一代半导体照明光源,高效光转换材料的合成制备是其关键技术之一.简要介绍了白光LD的基本原理,分析了光转换材料的光转换性及其影响因素,综述了白光LED用光转换材料体系和性能特点,最后探讨了光转换材料的发展趋势.
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