Older LCD TVs used cold cathode fluorescent lamps (CCFLs) to provide lighting, whereas modern LED LCD TVs use an array of smaller, more efficient light-emitting diodes (LEDs) to illuminate the screen.

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.

Even if the next LCD you buy has pretty much the same characteristics as the last LCD you bought, a change is likely to have occurred behind the scenes. In display sizes below about 15 inches, the ...

Both OLED and LED TVs produce blue light, but OLED TVs produce considerably less of it. LG claims its OLED panels only generate 34 percent blue light versus LED TV’s 64 percent.

More and more TVs are being advertised as mini-LED, but what does that mean, and why does it matter? I break down how this tech can make your TVs brighter, more vivid, and produce better contrast.

Instead, they work in conjunction with a transparent LCD panel in a kind of symbiotic partnership because LCD panels don't project their own light. The two need each other.

LED lights may cause headaches or trigger migraine in some people. ... Liquid crystal display (LCD) screens, which may use LEDs for backlighting, flicker 60 times per second.

LED stands for light-emitting diode, a more advanced form of LCD display D3sign/Getty Images Light-emitting diode displays, or LED for short, are technically an offshoot of LCDs.

LCD and LED are the most popular 4K TVs on the market. Most of the TVs made by LG, Panasonic, Samsung and Sony use these types of display, ... though; that job falls to the backlight. LED stands for ...