OLED TVs

OLED TVs go one better than full-array LED-LCDs with a few dozen lighting zones. In place of a backlight, OLEDs use a layer of organic LEDs, controlled at the pixel level, to achieve absolute black and stunning levels of contrast. (Footage of fireworks against a black sky is a favorite demonstration of OLED technology.)

LG isn’t the only company actively pursuing OLED technology in large screen sizes, with new OLED models arriving from Panasonic, Philips and Sony this year. Most new models have Ultra HD 4K resolution, but a few, cheaper HD OLED models are still around. Prices range from about $2,000 for a 55-inch HDTV to $5,000 or more for a 65-inch Ultra HD 4K model.

Pros: Best TV picture, bar none; Colors truly pop, deeper blacks and better contrast and shadow detail than LCD TVs achieve; Retains image quality when viewed from the side.

Cons: Stratospheric prices; lower peak brightness than some LCD sets, uncertainty about how screens will fare over time, including whether they will retain “ghost” images (also known as burn-in) from displaying a static picture for too long.

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