This means, in practice, pulling the shadows up and preserving the highlights. On a regular TV, that tone curve looks dull and low-contrast. On a true HDR TV capable of higher contrast, it'll look ...
I have started to pick up some UHD/HDR Blu-ray disks in anticipation of future hardware upgrades... down the line a bit. Right now my plasma is still doing a great job for me and my old Onkyo receiver ...