引言以 ZnS 为基质的薄膜电致发光显示系统已进入商业实用阶段,然而,目前所使用的颜色只限于黄色和绿色,因此迫切需要研究出新的具有高效的红色和蓝色发射的薄膜电致发光材料。从过去二十年来的研究结果看,新材料已没有可能在 ZnS 系统中找到。必须寻找其它的发光基质材料,最近,已有报道得到了以 CaS 和 SrS 为基质的红色和蓝色发射的 Introduction Thin-film electroluminescent display systems based on ZnS have entered the commercial practical stage. However, the currently used colors are limited to yellow and green, so there is an urgent need to study new thin-film electroluminescent devices with high efficiency red and blue emission Luminescent material. From the results of the research over the past two decades, new materials have not been found in ZnS systems. Other luminescent host materials have to be found, and recently, red and blue emitting based on CaS and SrS have been reported