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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 released a super-helpful (and not at all borne out of self-interest) way to check your screen for the problem.
The Galaxy S8's home button shifts to prevent screen burn
Screensavers were originally a way to prevent burn-in on older CRT monitors. The now-classic moving images in early operating systems were created to keep any single pixel on the screen from remaining in place for too long, leaving behind a ghost on the display. Modern screens like the OLED ones on Samsung's Galaxy S8 can also suffer from burn-in. Since the new flagship's Home button is virtual now, the company had to do something to prevent it from getting burned in to your display. The solution? Moving the Home button image around a little bit.
