LG has officially launched its first large-format organic light-emitting diode (OLED) TV set, the 55EM9700, ahead of the device's showcasing at the Consumer Electronics Show (CES) in Las Vegas later this month - becoming the first company to start volume shipments of a large-format OLED TV.
Designed as a higher-quality replacement for the current liquid-crystal display (LCD) technology used for TVs, OLED uses small light-emitting diodes for each pixel on the screen. Each diode is able to generate its own light, and can be switched on and off at will. The result is a picture with a stunning contrast ratio, where blacks look truly black - something that LCD sets, which have a permanently-on backlight which gets partially blocked by the 'black' pixels in a picture, simply can't offer.
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