The best TV for PC monitor usage that we've tested is the Samsung QN90D/QN90DD QLED. It delivers a fantastic desktop experience, with support for HDMI 2.1 bandwidth on all four HDMI ports, so you can enjoy 4k @ 144Hz while still getting clear text with full chroma 4:4:4 support. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.