(1) A non-curved screen on a TV. Contrast with curved screen. See flat screen. (2) A reference to TVs when LCD screens were replacing CRTs starting in the late 1990s and early 2000s. See flat screen.
But these days, virtually every flat-screen TV (sans OLED) uses LEDs as its source of backlighting ... We’ll discuss QLED more below, but here’s a great overview of the differences between QLED and ...