RealNC wrote:I'm not sure what Chief is talking about, but this is NOT normal outside of specially crafted test images.
Actually:https://rog.asus.com/forum/showthread.p ... in-3D-modehttps://www.pcper.com/reviews/Displays/ ... CON-Artifaviewtopic.php?f=2&t=3056&p=24657&hilit=inversion#p24657http://3dvision-blog.com/9009-some-3d-v ... n-3d-mode/
etc,etc,etc. (Need I keep going???)
It's really a common problem. The point is, RealNC, is if you do not own a C24FG70, how do you know what's "normal inversion" is for a C24FG70? You own a C24FG70? Or can you provide references to what's normal for a C24FG70? I'm curious -- because I'd like to know too.
The fact is, what I see in those photos is inversion (LCD electronics doing the voltage-balancing alternating positive/negative voltages, of alternate-pixels at alternate-refresh cycles -- that's called "inversion"). Definitely. It's explained in many articles if you google "LCD inversion" (and you see the +/- voltages in Google Images, too). Inversion can create very subtle, very faint LCD artifacts (normal, consistent). Sometimes more visible than others. Sometimes blatant or aberrative (poor panel lottery). This image looks somewhat normal-ish for certain monitors, but it might actually be abnormal (or not!) for a C24FG70......so please provide definitive references it's NOT abnormal for a C24FG70....
But, yes.... The big question is -- "is that abnormal inversion" For that particular monitor?
Plus, it doesn't need specially crafted test patterns. I see a slight amount of inversion (faint checkerboard-pixel-patterning) on my PG278Q during 120pps -- e.g. http://www.testufo.com/#test=photo&phot ... pg&pps=120
.... or when super-slow-turning in FPS games, or at odd pixel rates (e.g. 1ppf, 3ppf, 5ppf, etc). It's not noticeable at arm's length viewing distance, but it's very noticeable if I lean slightly closer. Some monitors have inversion worse than others.
TN monitors are much more prone to inversion issues than IPS/VA monitors, and more than half of TN panels have at least faint inversion during 3D glasses mode. But actually gets visible during specific odd-ppf motionspeeds or during certain speeds of mouse-turning in high-primary-color-solids games (such as Borderlands) which can get distracting by some people if artifacts from normal LCD inversion is more than "very faint".
The VG248QE does a really good job at keeping inversion artifacts nearly invisible, but for a long while yet VG278HE
actually exhibited worse inversion artifacsts than VG278H -- had some amplified inversion artifacts that were not solved after 5 exchanges (so the panel lottery was not easily won for that particular model). It's hard to win the panel lottery sometimes.
YEs, keep returning the monitor if you must -- but not without saying that exchanging is guaranteed to solve the problem, because sometimes it's just like average strobe crosstalk, or a TN viewing angle issue. It's hard to win the panel lottery with traits that seem to remain constant between panels (e.g. strobe crosstalk, TN viewing angle, inversion artifacts). Some monitors are really good, and some monitors are average.
Some people really notice inversion artifacts really quickly, other people do not.
Some people are more colorblind-ish than others, others get annoyed by poor colors, while some do not.
(Color sensitivity varies an unexpectedly large amount between people, much like how hearing varies between people -- and 8% are insensitive enough to be called color blind)
Some people don't even notice gamma nonuniformities, while others really get totally annoyed by it.
Some people get more motion blur headaches (immune to flicker headaches), and some people get more flicker headaches (prefer motion blur).
Likewise, some people see certian artifacts more easily such as faint inversion, or VA gamma nonuniformity.
The bottom line: Everybody's human vision system is different.
Inversion is often faint-ish -- but it isn't always to everyone.