Why aren Blu-ray Disc movies available in “Full Screen” format?
A. “Full Screen” movies have been modified to make them fill the nearly square dimensions of a standard-definition TV screen. Blu-ray Disc movies are intended primarily for display on HDTV screens. Therefore, since all current HDTV screens are designed for the 16:9 theatrical aspect ratio, Blu-ray Disc movies are delivered in that aspect ratio. In essence, 16:9 is the “full-screen” format for HDTV screens, so 4:3 “pan & scan” versions are unnecessary. However, since many films are originally shot in aspect ratios wider than 16:9, you may still observe black bars at the top and bottom of the screen when viewing certain movies.