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How does OLED burn-in truly happen and why doesn't my phone show any signs of it? (sh.itjust.works)

submitted 4 months ago by UnRelatedBurner@sh.itjust.works to c/asklemmy@lemmy.ml

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Title almost says it all. OLED monitors are getting more and more affordable, but it's almost out of the picture when buying a monitor because of toolbars and HUD elements. I don't understand why monitors "burn-in", when I shine my LED flashlight or some LED xmas lights they won't simply start emitting the same light even when I turn them off. I know it's a dumb comparison, but still, what happens?

The other thing that I don't understand is the fact that I've never seen any signs of burn-in on anyone's phone. Alright, technically that's a lie, I did see some on a work phone (or two), that only had some chat app open, seemingly since ages, and the namebar was a bit burned-in, or something like that, as you'd guess I also didn't interact with that phone a lot. As as said above "but still," I've had my phone for a while now, so does my family and friends, some of us even doomscroll, and I've never seen any signs of burn-in on any (actually used) phone.

so, I can watch my background all day, but I should open my browser every like 3 hours press f11 twice and I'm safe? Ff I'm away just let the screensaver save my screen? In that case why would anyone ever worry about burn it, you almost have to do it intentionally. But if it's really dangerous, like I immerse myself into a youtube video, but it has the youtuber's pfp on the bottom right (does youtube still do that?), and it was hbomberguy's, am I just done, toasted, burnt-in?

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[–] Bronzie@sh.itjust.works 3 points 4 months ago

Just to tack on and expand on your first point: LED monitors are normally LCD displays but with LED backligthing, allowing for more zone control and it is more efficient both with space and energy usage.

For TV’s, burn in is becomming less of an issue due to software in newer models and improvements in the tech. The same goes for phones. Older OLED phones like the Pixel 2 I think, had issues with burn-in.

Rtings is actually doing a long term torture test as we write. They have also included some PC monitors for good meassure.

In general, the reason why it’s still not perfect for PC is that all office/daily use retains a static image on a large portion on your screen. Imagine a browser, Excel or program with a big static toolbar. This will cause issues even with pixel shift and refresh cycles. You can only move pixels so much without it affecting your experience.

If you were to only game or watch movies on it, it would likely never show signs of burn-in.

Hope this made sense