Regarding burn in I found this on a digital foundry article someone linked to a while ago:
https://www.eurogamer.net/articles/digi ... aming-7009OLED: This high-end display tech uses organic light-emitting diodes which produce what is arguably the best picture. Contrast is a strong suit, as individual pixels can be turned off completely to create a true black, rather than the very dark grey that other monitor types can produce. Viewing angles are also impressive, ensuring the picture from a 45-degree angle looks as good as the screen viewed dead-on. HDR is also well catered for, thanks to the ability to see extremely light and dark areas side-by-side. However, OLED can be expensive, its brightness can't compete with traditional LCDs and motion handling can be poor on some models. Image retention or burn-in is also a concern, although real-life OLED burn-in tests that have been running non-stop for several years show that image retention is unlikely to occur through normal use, even when gaming.
Which links to this:
https://www.rtings.com/tv/learn/real-li ... rn-in-testThey're running 6 screens around the clock (when on), with different content on each, and their test has been running since 2018 with a few gaps (they moved office, for example).
They used run a uniformity test every two weeks (slower now, and seems to have stopped due to pandemic. probably not in office). The latest images are from week 102 of usage.
(Looks like the quality of this gif isn't great, go to the site for original version)
Keeping in mind these are on 24 hours a day, if you use your TV on average 6 hours a day this is 8 years of usage.
To me the main ones to consider are COD and NBC, as they're not 'worse case' situations. NBC sounding like a general channel like BBC1 or ITV1:
This test is informative for people who watch a lot of general TV, since NBC shows a variety of movies, TV shows, sports, and news. The source is a live cable feed and should be representative for a range of general TV content.
Even 'Football' looks to come across well, despite it likely having static graphics - just not to the extend of a 24 hour news channel or FIFA.
Also, these are older models, perhaps the 'image shifting' features new ones might help - but I would think this would only help minimally since most burned in content seems to be larger than a few pixels.
So personally I would agree with Digital Foundry; I would consider the risk of burn in minimal for my personal use-case if I were to get an OLED. And once things do start to show signs of degradation I'll probably be looking for a new TV. I'd say burn is certainly possible, but unlikely.