I’m using a 48" Samsung QLED 4k for years for work and games, I loved, for work I can open a lot of VMs and remote access from users on the same screen, for game 4k and HDR it’s amazing.
To use a TV for PC you need one that have Chroma 4:4:4, here a great article from RTings site about this subject.
Chroma 4:4:4
And the best TV for PC 2022
Here a picture (sorry about the cat).
Sorry about the bad english.