The other type of displays will take that incoming interlaced signal and display it in a progressive type resolution like 720p or 1080p.

ENGADGET: Ask HDBeat: How can I tell the difference between 1080i and 1080p

Only CRTs can properly display an interlaced signal.

ENGADGET: Ask HDBeat: How can I tell the difference between 1080i and 1080p