Is the normal "picture tube type" set we've all grown accustomed to. 
Typically it is not possible to manufacture direct view screens larger than 42 inches diagonally.

Projection models offer sizes of 40 inches and larger.
Rear Projection units reflect the picture off of a mirror and on to the back of the viewing screen.

These units project the picture onto a reflective screen very much like a movie projector.

Consists of many thousands of pixels, each generating its own light source. Because light doesn't have to be projected onto the screen, the size of the display is much smaller. Benefit: A flat panel display is slim and allows it to be hung on a wall. These units are still pretty pricey.