this post was submitted on 20 May 2025
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I mean, LEDs degrade over time. That's just kind of a fact of life. LED lightbulbs, flashlights, etc. The LED in the backlight of an LCD monitor does too
it just degrades evenly across all pixels, so you don't get a burn-in effect. Just makes the monitor get dimmer over time (though with LCD monitors that use regional backlighting, I guess some regions could get dimmer before others).
I don't think that there will be some technology to totally stop LEDs degrading. My understanding is that they've done various things over past years to try to mitigate it. I listed tandem LEDs below, which multiplies how long it takes them to degrade, lets them be run at lower power.
Maybe someday someone could track power-on time per subpixel element and model decay of each for the long term and using that data, jack up power on each to compensate for degradation on a per-subpixel element level.
EDIT: We also had burn-in on CRTs, and used those for ages. Didn't prevent use of CRTs. I don't know what the rate of burn-in relative to OLEDs was, but it was real.
kagis
https://lunduke.substack.com/p/what-video-games-are-burned-into
A bunch of CRT arcade monitors with burn-in bad enough that you can see it with the monitor off.
Just used screensavers or switched off monitors, and eventually, if a monitor became sufficiently problematic, tossed it and got a new one.
All that being said, if I could have significantly-improved longevity on an OLED display, it'd be nice.