On its own, an LED is very simple: voltage is applied to a semiconductor diode, and it lights up. An LED display, meanwhile, combines this simple notion with the existing principles of an LCD.

Check out LED LCD backlights explained for more info on this. If you've ever put a lit flashlight on a table, you have an idea of the problem created by putting LEDs along the edge of a TV.

Some 4K TVs have QLED or OLED displays, but most are LCD, and many of those have LED backlights. When you're shopping for a new TV, these are the sets you'll come across most often. We're going to ...

We’re talking about the LED printer, ... effective way of sidestepping any patents relating to using a LASER and how the beam was scanned and pulsed because the LCD shutter didn’t scan and ...

LED-backlit LCD TVs provide the current sweet-spot for TV technology, and that's not going to change anytime soon. Today's best panasonic tx-40gx800 and TCL 4K TCL Roku TV deals TCL 4K TCL Roku TV ...

An LED TV, as we've mentioned, provides a much deeper and more vibrant picture than an LCD TV, so it naturally costs a bit more, around $100 to $300 or more depending on the size.

Some 4K TVs have QLED or OLED displays, but most are LCD, and many of those have LED backlights. When you're shopping for a new TV, these are the sets you'll come across most often. We're going to ...