HDR, or high dynamic range, promises brighter whites, darker blacks, and a richer range of colours - at least when you're watching the few select movie titles that get released in the format.

LG has unveiled a super-thin OLED display prototype that sticks to your wall with a magnetic mat.

Does anyone just watch TV anymore? The dramatic shift toward online and mobile viewing is driving television set makers to design as much for streaming video as for watching broadcast or cable channels.