SixelAlexiS wrote: ↑27 Jul 2021, 15:05
Btw about the nonstop break in, do you mean just having a white image in fullscreen at max brightness for 72 hours straight?
For the 72 hour break-in:
Video or gaming or surfing whatever. Keep the screen busy continuously. Get the monitor as warm as safely possible, nonstop. This shakes out all the temporary issues as much as possible, while also verifying warranty fails earlier than later.
On LCDs, black heats up more (the powered color + absorbs more light). Heats up the monitor more than white (the unpowered color of most modern panels). However, that can automatically put the monitor into sleep mode, since a blank black screen is often a monitor's autosleep trigger.
Also, you want to exercise the pixels anyway for other reasons (early "new" dead pixels usually happen early after arrival, so exercising the monitor panel early ensures you "shake hidden warranty defects out of the tree" as early as possible, since more than half of warranty problems of nearly all products of all vendors happens during the first days or weeks of ownership)
Personally, I've never had non-BLB-based IPS glow that stayed asymmetric (e.g. massively worse on one corner)
after a proper break-in was done. Any bad BLB I've ever had on IPS was always symmetric (evenly distributed) after the break-in, unless another defect was occuring at the same time such as a pressure spot inside the bezel mount or a tiny gap in the backlight seal at edge (backlight bleed). Break in ensures any remaining black-field (RGB 0,0,0) asymmetry is from other defects such as corner pressure spots and/or true, real, genuine backlight bleed rather than native IPS glow factors. That's why I heartily recommend all reviewers and users break in their monitor before judging the monitor, the LCD GtG speeds up + the shipping pressure spots disappears. Obviously, it may still be asymmetric (asymmetric tightness of LCD panel mounting, whether by panel factory fault, or vendor bezel fault), but at least after break-in, it's no longer shipping-based pressure spot related.
You can just use the computer normally during the break in, just prevent the monitor from turning off. Just keep your computer on 24/7 for three days without a sleep-blackout. If you use a screensaver, use a very lively screensaver of some kind, otherwise, just run a 16:9 video loop.
If you can't keep it on continuously (e.g. bedroom monitor), you can spread the break-in over more days but it'll take longer (like 1 week of 12 hours per day) because of all those cool-downs, watch your RMA window.
Nontheless, break-in is routine at most monitor reviewers (RTINGS, TFTCentral, PCmonitors), they do that to warm up cold-shipped panels and shake out all those temporary shipping artifacts (pressure spots) out. The LCD fluid inside a LCD glass sandwich flows all around -- it's a
Liquid Crystal Display.