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Definition: 4K Blu-ray player


(1) A Blu-ray player that supports native 4K (2160p) content, which emerged in late 2015. See Ultra HD Blu-ray.

(2) A Blu-ray player that upscales 2K (1080p) content to 4k resolution for rendering on 4K TV sets. Such devices were introduced in the 2011 time frame. See 4K TV, 4K pass-through and 4K resolution.