![]() The Consumer Electronics Association announced on October 17, 2012, that "Ultra High Definition", or "Ultra HD", would be used for displays that have an aspect ratio of 16:9 or wider and at least one digital input capable of carrying and presenting native video at a minimum resolution of 3840 × 2160. These were first proposed by NHK Science & Technology Research Laboratories and later defined and approved by the International Telecommunication Union (ITU). Ultra-high-definition television (also known as Ultra HD television, Ultra HD, UHDTV, UHD and Super Hi-Vision) today includes 4K UHD and 8K UHD, which are two digital video formats with an aspect ratio of 16:9. Both Rec. 2020 and Rec. 709 use Illuminant D65 for the white point. 709 (HDTV) color space in the inner triangle. 2020 (UHDTV) color space in the outer triangle and Rec. ![]() Diagram of the CIE 1931 color space that shows the Rec.
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