The high gain projection screen features slimmest, the most light, and the most flexible screen and excellent color representing. It gives clear images even in bright area without switching light off high reproduction of natural colors and high contrast images maximize the image brightness of incident angle on center field and minimize eyestrain world's first screen to fully reduce angular field by special treated polarized light and metallic coating on its surface minimize weight and thickness by using aluminum frame (Natural silver color) film type is maximize entirely reflection of light and minimize image loss by world's first photo-storage method without hot spot and curling.