ITU-R Recommendation BT.2020, more commonly known by the abbreviations Rec. 2020 or BT.2020. Rec 2020 is a wider color space than Rec 709, which is the current industry standard for HD. Rec 2020 promises more brilliant images, though only new display technology is able to show these. Traditional Rec 709 displays can’t display Rec 2020.
Laser display is currently the only technique that satisfies the international BT.2020 ultrahigh-definition display standard.
Zuyan Xu, an academician of the Chinese Academy of Engineering（CAE）and Chief scientist of CASIRIS, said a display with a laser light source points to the future development direction of display technology, which features ultrahigh definition and a large color spectrum, and will become mainstream in the next generation of the display industry.
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