White uniformity issues - do you have them too, did you check?
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Not everybody have uniformity issues - but its simply because some panels are ok(ish) while others are atrocious. Hence its possible to find one which looks better - e.g. I was able to after ~3 replacements.
This is simply because they don't really include uniformity tests in the QC - or, actually, they rather relaxed (simple 9-point measurement +-20% I believe, at least from datasheets I've seen).
For these market segments (gaming, home consumer) its considered that majority of customer base does not care about solid colour uniformity anyway - because they mostly watch movies, play games or display some picture on it when you don't notice it.
If you want monitor with panel graded for uniformity, you need to go into pro or high-end business segment (just don't go for ASUS or Acer since their "pro" models are simple re badge and no sane professional would consider them).
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If you want monitor with panel graded for uniformity, you need to go into pro or high-end business segment.Well, here's the problem. Those pro panels are all 60Hz and ever since I experienced 120Hz there's simply no going back and I'm not just talking about gaming, even using the cursor on the desktop or scrolling websites feels choppy at 60Hz.Besides, when did looking at a website or watching a movie became a "pro" usage? Yes, movies are also ruined by this - I look at a scene with a bright-blue sky and on one side the sky it much brighter, almost white with a yellowish tint. I wonder if that's because the sun is closer to this side in this scene and then when the camera rotates I see this white/yellow patch follow the scene so it's not in the movie, it's the monitor's fault. How is that in any shape of form considered acceptable even for media/entertainment?Also, when did we get here? Every single "home consumer" screen I've ever owned (two Samsung monitors, one BenQ monitor, one Sony TV, two laptops - one even from ASUS, 3 tablets, phones etc.) is actually perfectly uniform, or at least uniform enough that when I look at a white screen, it's the same brightness and color temperature across the screen.Anyway, congrats that you've managed to get what I'd consider a "non defective" monitor after 3 replacements. This alone sums up the problem, you shouldn't have to replace it at all or maybe just once if you get very unlucky. This is like buying loot boxes where there's a 10% (or less) chance of getting a good monitor in them0
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Ultimately for high refresh rate in particular you will have to compromise, I haven't seen a high refresh panel which provides same contrast & gamut as 60Hz one. I've asked people familiar with LCD tech and was told this is mainly due to need to make LCD shutter "thinner" to allow for it to react/switch faster - so you get more IPS glow (and corner bleed due to this).
Generally, larger the screen, more chance to get one with uniformity problems. Does not mean you will get one - as you've mentioned you had lot of screens before that were just fine.
I am simply stating the fact that ultimately what is a "defect" is what was not as promised. You can't say that panel is defective if 100% perfect uniformity (or even 90% uniformity) wasn't specced in first place.
The unfortunate realities of modern monitor & panel market, sadly. Throwing away panels with uniformity issues is expensive and monitor manufacturers are not doing it simply because they prefer to accept some returns (later finding less picky buyers for refurbs).
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Good point.Reg. defects - technically that's true and frankly, I'm not expecting absolute perfection. Backlight bleed doesn't bother me much if it's not super extreme, IPS glow - no problem. Dead pixels - had 3 in the past, also no problem since they weren't in the center of the screen. Basically my rule of thumb is - if I can't notice a problem (or it's not bothering me), then it's not a problem for me.That said, I consider something a "defect" if it is a very clearly noticeable problem that's different from the "reasonable expectation" one may have about a certain product. If you buy a toaster where the handle doesn't stay down and you have to manually hold it down for the entire duration of toasting the bread, then technically it's not something that was explicitly promised and the toaster still does the job of toasting the bread, but such flaw is not what you'd expect. Similarly, those monitors were still "showing picture", but it was "distorted" by the very noticeable and rather significant discoloration. That's why I'd call it a defect as I did not expect this from a screen.You're right, though, if most people either aren't bothered by this or use those monitors JUST for gaming and may not notice it, there's no reason the manufacturer should change anything. Sad, but true0
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I had 3 replacements and everyone had uniformity issues (yellow to bluish tint). Not sure if i should just keep this one (only left side is yellow)0
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Meanwhile I've got a second screen and it's pretty much perfect in terms of uniformity so... case closed for me
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1. Dead pixelA dead pixel is a picture element (on the display screen) in which all the colors RGB (red, green, and blue) are permanently turned off/ damaged; this creates a black spot in the display. The damaged pixel does not receive any power; hence the pixel turns black.Dead pixels are black, and no matter how much your screen changes, these pixels remain fixed in one spot and won't change their color.What are the reasons that cause dead pixels?Dead pixels can result from manufacturing defects, physical damage, strong direct rays or light sources, etc.Not even one dead pixel is acceptable as it is quite visible on the screen and causes disruption of the image quality. Dead pixels do not spread, but if there's more than one dead pixel visible on a screen, then there's a chance of some unread pressure.Dead pixels are permanently damaged and cannot be fixed. Stuck and warm pixels can be fixed if proper measures are taken on time.0
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Yes, white uniformity issues are a known problem with some monitors that use certain types of panels. There may be differences in quality control between different manufacturers using the same panel. White uniformity issues can be noticeable when viewing websites or documents with white or light backgrounds. While a perfectly uniform IPS panel may not exist, some monitors may have better uniformity than others. It's recommended to research and read reviews before purchasing a monitor to see if white uniformity is a common issue with that model.
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White uniformity issues can occur in some monitors that use certain types of panels, which can result in noticeable issues when viewing white or light backgrounds. Quality control differences between manufacturers can also play a role. While a perfectly uniform IPS panel may not exist, some monitors may have better uniformity than others. It's recommended to research and read reviews before purchasing a monitor to see if white uniformity is a common issue with that model. You can use a Dead Pixel Test tool to check for any pixel defects on your monitor, which may also affect image quality. Some monitor manufacturers offer a warranty that covers dead pixels or white uniformity issues, so it's important to check the warranty terms before making a purchase.
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