阐述以立体全息光栅系统为基础的实时三维显示器。光栅数目等于要反映信息的图片数目。介绍这种显示器的工作原理、图象的主要特性以及它们与显示元件参数的关系。列举全息显示元件的研究成果,其工作原理实验上已被验证。 Describes the real-time three-dimensional display based on the stereo holographic grating system. The number of rasters equals the number of pictures to reflect the information. Describes the working principle of this display, the main characteristics of the image and their relationship with the display element parameters. Enumerating the research results of the holographic display element, its working principle has been experimentally verified.