burn in

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OLEDs Have Gained Brightness, Not Burn-In Resistance

August 17, 2026 by 17 Comments

OLED displays solve many of the problems suffered by LC displays, including color fidelity, dynamic range and power usage. That said, especially in the early days OLED gained a reputation for dim screens, short lifespans and burn-in. Over time better organic dyes were developed, along with burn-in prevention methods that have made OLEDs much closer to LCDs in terms of longevity. In a recent comparison between OLED TVs by RTings it’s however clear that between 2017 and 2023 there haven’t been any major advances beyond bumps in brightness.

The relatively dim screens were a major problem, as they prevented OLEDs from displaying HDR content. This issue has been well and truly addressed, as confirmed by RTings’ testing, but after an over 10,000 hours stress test that simulates about 10 years of regular use at maximum SDR brightness, especially static elements like the CNN TV banner happily burned in even on the newest models with all burn-in prevention measures enabled.

Here the biggest take-away is probably that even if the expected panel lifespan at full brightness is still the same, this higher brightness budget means that you can gain some lifespan by cranking the brightness way down. It’s also essential to keep features like pixel refresh cycles enabled, as demonstrated by [Hardware Unboxed] and their abuse of a QD-OLED monitor where a worst-case 6,000 hour stress-test managed to create some impressive levels of burn-in from uneven subpixel wear.

A Year-Long Experiment In OLED Burn-In

April 23, 2019 by 26 Comments

If you need to add a small display to your project, you’re not going to do much better than a tiny OLED display. These tiny display are black and white, usually found in resolutions of 128×64 or some other divisible-by-two value, they’re driven over I2C, the libraries are readily available, and they’re cheap. You can’t do much better for displaying a few numbers and text than an I2C OLED. There’s a problem, though: OLEDs burn out, or burn in, depending on how you define it. What’s the lifetime of these OLEDs? That’s exactly what [Electronics In Focus] is testing (YouTube, in Russian, so click the closed captioning button).

The experimental setup for this is eleven OLED displays with 128×64 pixels with an SSD1306 controller, all driven by an STM32 over I2C. Everything’s on a breadboard, and the actual display is sixteen blocks, each lit one after another with a one-second display in between. This is to test gradually increasing levels of burnout, and from a surface-level analysis, this is a pretty good way to see if OLED pixels burn out.

After 378 days of testing, this test was stopped after there were no failed displays. This comes with a caveat: after a year of endurance testing, there were a few burnt out pixels. correlating with how often these pixels were on. The solution to this problem would be to occasionally ‘jiggle’ the displayed text around the screen, turn the display off when no one is looking at it, or alternatively write a screen saver for OLEDs. That last bit has already been done, and here are the flying toasters to prove it. This is an interesting experiment, and although that weird project you’re working on probably won’t ping an OLED for a year of continuous operation, it’s still something to think about. Video below.

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