白光LED以其独特优势被称为第四代光源,具有广阔的应用前景。本文概述了能够被蓝光和近紫外光芯片激发的红色、绿色、黄色、蓝色荧光粉以及单基质白色荧光粉的研究现状,指出了荧光粉存在的问题并对其发展趋势做了展望。 White LED with its unique advantages known as the fourth-generation light source, has a broad application prospects. This paper summarizes the research status of red, green, yellow, blue phosphors and single-substrate white phosphors which can be excited by blue and near-ultraviolet light chips. The problems of phosphors are pointed out and their development trends are prospected.