The vertical-type field emission devices are applied to field plat display, while the lateral-type field emission devices are promising in high frequency usage and compatible with IC technology.

• 垂直式场发射元件主要的潜力是应用于平面显示器的制造上。而横侧式场发射元件则是希望应用在高频快速元件上，同时与标准的半导体制程技术相互整合在一起。