Ｃｅ掺杂单晶石榴石ＣｅＶ（Ｇｄ，Ｙ）３Ａｌ５Ｏ１２是一种实现高亮度、高分辨率红色显示的理想荧光新材料。它具有宽带发光谱，主峰位于５８０ｎｍ，采用这种材料作荧光屏的５４ｍｍ阴极射线管投影管可以达到７３００ｃｄ／ｍ２的高亮度，效率为１．５ｌｍ／Ｗ，通过优化电子枪设计，整管分辨率可达到８０ｌｉｎｅ／ｍｍ以上。本文对这种新材料的发光机理、制备工艺进行了详细介绍，并对一些实验中得到的有意义的结论进行了报道 Ce doped single crystal garnet CeV (Gd, Y) 3Al5O12 is an ideal fluorescent new material for realizing high brightness and high resolution red display. It has a broadband emission spectrum, the main peak at 580nm, using this material for screen  54mm cathode ray tube projection tube can achieve high brightness of 7300cd / m2, the efficiency of 1.5lm / W, by optimizing the gun design, the entire tube resolution Up to 80line / mm. In this paper, the light-emitting mechanism of this new material, the preparation process were introduced in detail, and some meaningful conclusions obtained in experiments were reported