the full name of p>isf is Imaging Science Foundation, which can be translated as "imaging science organization" in Chinese. We often see isf icons on various video display equipment, such as flat-panel TVs, projectors, projection screens, etc. For high-end users, the symbol of isf is the guarantee of high-quality video equipment. Isf is one of the industry standards for display devices. It is committed to improving the image quality and display effect of display devices. Since its establishment, ISF has been an authoritative organization for testing and certifying high-end video consumer products. Moreover, the performance and quality of isf-certified products meet the requirements of isf laboratory for the production and playback of high-quality images, movies and entertainment videos.