HD or High Definition denotes superior picture quality starting from 576p and going up to 1080i lines of vertical resolution. Full HD uses 1080p lines of vertical resolution which is the best picture quality you can currently get. Full HD sets create pictures of up to 1920 (H) x 1080 (V) pixels and also use progressive scan technology for even clearer images. HD Television broadcasts currently use up to 1080i pictures, while 1080p pictures are used by the latest Blu-ray movie discs and video games.