TV screen type is a term used to describe the different types of television screens available. PLASMA screens are made up of tiny cells containing a mixture of noble gases and have a resolution of up to 1080p. CRT (Cathode Ray Tube) screens are the oldest type of television screen and have a lower resolution than PLASMA screens. LCD (Liquid Crystal Display) screens are the most common type of television screen and have a resolution of up to 4K.