LG has just officially announced additonal 4K TVs — 55- and 65-inch models will join the already-announced 84-inch set. All of the 4K sets will include technology to upscale 1080p content to the 4K resolution. LG breezed right through this announcement, probably because it pre-announced these sets a few days ago, but they didn't give us any details on when these sets will be available or how much they'll cost.
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