Samsung will gladly help you check if your OLED TV has burn-in
 

Samsung might be all about OLED in smartphone displays, but it's steered away from using those types of screens for its TVs, instead harnessing LCD and QLED tech. As part of its efforts to remind people that OLED can be susceptible to burn-in, it has...

https://www.engadget.com/2019/10/11/...checker-video/