Active shutter glasses and a stereoscopic image projection system

摘要: The present invention provides active shutter glasses including shutters in which orientations of their components are freely determined, and a stereoscopic image projection system. for system, the comprising: right-eye shutter; left-eye shutter, wherein each include liquid crystal layer linear polarizing element, at least one includes adopted to change vibration direction polarized light, element is provided outer side layer, adapted light element.