AG – Anti Glare
An anti-glare film is placed on the top of a display to help prevent ambient light glare on the screen. This treatment is generally used for displays intended to be used in close proximity to windows or subject to direct overhead lighting.
Anti-Glare coating is a low cost method of improving display readability, but for optimal viewability, Optical Bonding the display should be considered. See the link below for more information on this method.