Color Consistency

Now for color consistency, we take our best calibration profile from the very center at 200 nits and test color accuracy at 9 different places around the LCD display in an evenly distributed grid. We’ve shown before that calibration is actually very localized across the display, partly due to the brightness not being uniform, partly due to the discrete nature of the LCD panel itself.

LCD Color Uniformity

If you go back and compare to the other 30-inchers, you'll discover that the PA301w is narrowly edges out the HP ZR30w and has a clear advantage over the Dell U3011. Interestingly enough, the PA301w has a uniformity setting inside the OSD which defaults to 5 (maximum) and seems to definitely improve overall brightness uniformity and Delta-E consistency. Whatever secret sauce NEC has apparently works. 

Viewing Angles and Color Quality Brightness and Contrast
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  • 63jax - Tuesday, March 1, 2011 - link

    I'm also very curious about Samsung's PLS matrix. i also want to change my monitor with an IPS or PVA panel in 22'' range, but i'm really undecided. Maybe i will wait to see what PLS are capable of. Good review by the way, thanks.
  • softdrinkviking - Tuesday, March 1, 2011 - link

    At 22", you can get a lot of great quality LCDs for reasonable prices. If you can spend 300-400, I would go for IPS, if you want to stick closer to 200, you can get a VA screen from BenQ that is 23" widescreen and looks pretty good to me. The VA screens have between the viewing angles of the IPS and the TN, but without the color shift I noticed on TNs. When a VA goes out of view, it just looks dark, not pink or something weird like a TN.
    But I don't know how "calibration-friendly" VAs are. If photography is a concern for you, and you need the print to match the image in your screen, I think IPS is better.
    This new samsung technology is anybodys guess, but I wouldn't get one until they have been put through the paces a bit and prove reliability.
    NEC and LG have had a long time to work the kinks out of IPS, and it's widespread adoption in critical industries did not occur by chance.
  • eaw999 - Wednesday, March 2, 2011 - link

    va's calibrate fine. many eizo's use va panels. but va panels have off-angle gamma shift, though, and it doesn't take a lot of angle to notice it. for me, anyway. this is most evident in darker shades. i tried an eizo monitor once and i couldn't stand watching movies on it because if i moved my head even slightly, shadow details would 'shimmer'. the only thing i liked about the eizo was that it had phenomenal black levels, as modern va panel usually do.
  • legoman666 - Tuesday, March 1, 2011 - link

    It's amusing to see that Anandtech staff run adblock+ on their own website.
  • quiksilvr - Tuesday, March 1, 2011 - link

    ROFL! Even they admit their adverts are annoying as hell.
  • Stas - Wednesday, March 2, 2011 - link

    lol. Sponsors won't be happy about that ^.^
  • gc_ - Thursday, March 3, 2011 - link

    I expect the advertisers paid for ads alongside articles, not for in-article placement. I expect advertisers also paid to have ads displayed during a certain period (say, a week or a month), not necessarily to have it display in-perpetuity in the archives. I don't know if AnandTech is syndicated and/or translated for different markets, but if it is, then if they included the ads they might have to redo the image for every market.
  • DanNeely - Tuesday, March 1, 2011 - link

    "Interestingly enough, the PA301w has a uniformity setting inside the OSD which defaults to 5 (maximum) and seems to definitely improve overall brightness uniformity and Delta-E consistency. Whatever secret sauce NEC has apparently works. "

    If this works the same way I think it does on the 3090, the internal LUT adjusts different parts of the screen differently to boost uniformity. I'd be curious what happens to it in 10bit mode though, since the 3090 did this by mapping 8 bit input to a 10bit panel/LUT.
  • DanNeely - Tuesday, March 1, 2011 - link

    Should've looked at the specs before asking. The pa301w has a 14bit lookup table to use for onboard calibration/adjusting for screen variation.
  • DanNeely - Tuesday, March 1, 2011 - link

    Is this any better than in the multisync 90 series? The ones on my 2090/3090's were really flimsy and if you tried picking up the monitor the wrong way some of the tabs holding them on would snap off.

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