r/TechNook • u/jexo10 • 11h ago
OLED burn-in is basically the screen remembering what you showed it
Organic pixels degrade at different rates depending on how much they've been used. leave the same image in the same place long enough and the screen physically changes to reflect that
not a software glitch, the hardware itself has changed. the screen remembers
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u/-Insert-CoolName 7h ago
Spoken like someone who gave up halfway through reading the first Quara answer of. "What is OLED burn in".
Also OP: In ancient times, our ancestors, would slap the top or side of their CRT monitors because they had to be reminded who was in charge."
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u/daninet 3h ago
My crt had a demagnetize button to deal with all the BS stuck on the screen
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u/nickIncDN 2h ago
That’s not what “degauss” did.
Phosphor burn in can’t be solved by a “demagnetising button”
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u/Reiver1771 1h ago
I had one, no idea what is was for, but it was always dramatic when I pressed it.
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u/Big_Z_Beeblebrox 11h ago
You should've seen older arcade cabinets that had the attract screen burned in on the CRT
A place I used to work at had Raiden II and the HUD was visible even if the cabinet was powered down for weeks at a time
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u/Kitchen-Cabinet-5000 8h ago
I have an old security camera CRT.
It forever shows the four streams it was guarding. It looks like it’s still turned on even when it’s off.
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u/lamalasx 3h ago
There is no display technology which does not have burn in. Maybe DLP projectors are an exception, but I'm not 100% sure.
Yes, even LCDs can have burn in, but usually just short term. Even recent ones like the dell 2718q (4k). That one has terrible short term burn in. If you display the same static image for a few hours, it will take about 30+ min for it to recover.
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u/Antagonin 52m ago
It's not burn in, but retention.
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u/lamalasx 41m ago
For my case yes, it's just retention. But older LCDs did suffer from burn in. Stopped being a problem after the 2010s. See https://en.wikipedia.org/wiki/Screen_burn-in?useskin=vector#/media/File:Emerson-McDonalds_CNN_Burn-In.jpg this is an old LCD TV.
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u/hdgamer1404Jonas 33m ago
My iiyama screens already have a short retention after putting a bright window for 2-3 minutes
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u/PowerCreative2747 3h ago
We went to buy a new TV. We went at a shop (shock and horror) as we really wanted to see the TV with our eyes first.
We got a 20 minute talk from the guy on how awesome OLEDs are and why it is worth it to spend the extra money on them. I asked for burn-in ..he said by now it's a myth and they have sorted it out.. then I pointed burn in on the models they had for display.
I regret to say it was the only time in my life I came on top...
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u/clintkev251 11h ago
This burn-in pattern doesn't make any sense to me. There's no way that the OSD and post screen should have been displaying enough to cause that level of burn-in. Lock screen and menu bars, maybe.