How to prevent OLED burn-in
OLED burn-in is uneven ageing of the organic emitters, not a mark burned onto glass. Understanding that one fact tells you almost everything about how to avoid it.
What is actually happening
Each OLED sub-pixel dims slowly as it is used. If part of the screen consistently displays the same bright, static element — a taskbar, a news ticker, a game HUD, a channel logo — those emitters age faster than their neighbours. When the rest of the screen catches up in brightness, the older region shows as a faint permanent ghost.
Blue emitters age fastest, which is why burn-in often shows as a yellowish or dim patch rather than an obvious outline.
Retention is not burn-in
If you close a window and see a faint ghost of it that fades within seconds or minutes, that is image retention. It is temporary and it is normal. Burn-in is what remains after hours of varied content. Do not panic over retention.
What actually helps
- Lower the brightness. This is the single biggest factor by a wide margin. Emitter ageing scales sharply with drive current. A panel run at 60 percent brightness will outlast the same panel at 100 percent by a large multiple.
- Turn on the manufacturer's pixel-shift feature. It nudges the whole image by a pixel or two periodically, which is enough to spread the load at static edges.
- Let the panel run its compensation cycle. Most OLED TVs and monitors run a short refresh routine when you power them down. Do not pull the plug the instant the screen goes dark.
- Hide or auto-hide static UI. On a desktop, auto-hide the taskbar and dock, use a dark wallpaper, and avoid leaving a bright static window open for eight hours.
- Use a screensaver with a genuinely short idle timeout. Five minutes is not paranoid on an OLED.
- Vary content. A panel used for mixed work, film and games is at far lower risk than one that displays a single dashboard all day.
What does not help much
Running a white or colour-cycling wash for hours will even out mild retention, and it is a reasonable thing to try. It will not reverse established burn-in, because you cannot un-age an emitter — all a wash can do is age the surrounding pixels to match, which is not a repair.
Checking for it
The most sensitive test is a full-screen mid-grey field at around 20 to 30 percent, viewed in a dim room. Grey reveals uneven ageing far better than white does, because at full white every emitter is driven hard and differences compress. Slowly cycle through several grey levels and look for shapes rather than dots.
Is it still a real risk
Much less than it was. Modern panels combine better emitter chemistry, aggressive pixel-shifting and automatic brightness limiting. For mixed use at sensible brightness, burn-in in the life of a device is unlikely. For a screen displaying the same static layout eight hours a day at maximum brightness, it remains a genuine risk.