Sony has introduced the VPL-XW5000ES and the VPL-XW7000ES, a pair of laser projectors that can output at 4K and 120 Hz. The VPL-XW5000ES and the VPL-XW7000ES also support HDR and high maximum brightness, but neither will come cheap.
https://www.notebookcheck.net/Sony-presents-two-new-laser-projectors-with-4K-resolutions-and-120-Hz-refresh-rates.615883.0.html