this post was submitted on 14 Jul 2024
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The standard is also relative brightness actually, though displays (luckily) don't implement it that way.
It depends. You might
Because displays are stupid, don't assume there's always a logical reason behind what display manufacturers do. Mine only blocks the brightness setting through DDC/CI, but not through the monitor OSD...
OLED simply gets very hot when you make it bright over the whole area, the display technology is inherently limited when it comes to high brightness on big displays
Hey there, thanks for the comprehensive reply, I learned a lot. Also, your blog is fantastic, I'm always happy when there's a new post =)
Question about the last point: I feel like in SDR mode, the OLED is pushing brighter images. I almost feel like it's underselling the capabilities at 270, but does so to give pixels a rest every now and then, in the hope that the bright spots don't stay stationary on the screen. It's a wild guess, I have no idea.
Thank you, I'm glad you like it!
It's certainly possible, displays do whacky stuff sometimes. For example, if the maximum brightness in the HDR metadata matches exactly what the display says would be ideal to use, my (LCD!) HDR monitor dims down a lot, making everything far, far less bright than it actually should be.
KWin has a workaround for that, but it might be that your display does the same thing with the reported average brightness.