Flat Panel

"Flat panel" and "flat screen" are similar terms, often used interchangeably, but they refer to distinctly different products. A flat-screen TV is not necessarily a flat panel TV, as they can be made with cathode ray tubes (CRT) inside, tubes that have a flat, rather than traditionally curved, surface. Nevertheless, they are still quite large, heavy and box-like, and cannot be mounted on a wall as can flat panels.

Also more specifically and commonly referred to as LCD and Plasma, referring to their unique physical flat qualities.