All measurements are done using CalMAN 5.3 from SpectraCal and a custom workflow. An i1Pro and C6 meters are used to measure accurate colors and low light levels. For all test patterns I use APL 50% when possible to prevent backlight tricks and other things from skewing the results. Full field test patterns are used with the display uniformity testing.

With the backlight set to minimum the LG 34UM95 puts out 55 cd/m2 of light. That is a good number that is low enough to work for any dark environment, but not so low that you can’t use it. The brightness control operates in 1% steps giving you lots of room for adjustment. The maximum light level is 270 cd/m2. This is a bit lower than I would like to see, as direct sunlight will still wash things out, but it is decent. Most people likely will pick a setting in the middle of these and the brightness adjustment makes it easy to get the level you want.

White Level -  i1Pro and C6

Black levels are also very good. The minimum black level achieved is 0.0586 cd/m2 and the maximum level is 0.2724 cd/m2. The 21:9 monitors have been very good so far at getting low black levels and the 34UM95 is no exception.

Black Level - 1iPro and C6

These combine to give us a contrast ratio very close to 1,000:1. As this is now what I consider to be acceptable in a good IPS display, the LG 34UM95 does not disappoint.

Contrast Ratio -  i1Pro and C6

So far, so good for the 34UM95. Let's move on to the color accuracy.

Additional Features and Usability sRGB Test Bench
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  • blackmagnum - Wednesday, June 18, 2014 - link

    The Koreans are on a roll with product diversity! Reply
  • SulianJeo - Wednesday, June 18, 2014 - link

    I've always felt that the Korean companies seem to push for innovation the most. There are certainly some redundant releases (GS 5), but so many products are really game changing. Reply
  • weiran - Wednesday, June 18, 2014 - link

    This is a nice idea using existing hardware and manufacturing with a very niche market.

    I fail to see where the innovation is.
    Reply
  • darwinosx - Wednesday, June 18, 2014 - link

    You should read the article you are commenting on then. Also it's hardly a niche market. That is an uninformed and laughable comment. Reply
  • chophshiy - Wednesday, June 18, 2014 - link

    "Innovation" is becoming a meaningless word, thanks to marketing-speak. I agree with weiran; Making an obvious evolutionary step with tech that is easily available and understood should not be referred to as 'innovation'. Reply
  • inighthawki - Wednesday, June 18, 2014 - link

    Sorry, these displays are definitely niche. Very few people see benefit of ultra widescreen displays. There are more people out there that want to go back to 4:3 than those who want to go to 21:9. Reply
  • FlyBri - Wednesday, June 18, 2014 - link

    @inighthawki I would have to disagree that this monitor is "niche". Based on the form factor and resolution, it's actually quite versatile, and a better option than a 4K monitor at the moment (due to the current state of graphics cards). Many reviewers are saying how versatile this monitor is for both productivity and gaming. For instance, you can even use this monitor as a regular 1440p 27" monitor (with black bars, of course) if you so choose. One review I watched had the reviewer stating that he already had negative preconceived notions about this monitor and form factor, and ended up realizing how absolutely amazing it is and how he couldn't be without it now.

    I don't think it's niche because I think it genuinely could be a better alternative to a dual monitor setup, and I don't believe those to be niche. Not as prevalent? Yes. Niche? No. I would would say 4K monitors are more niche than this monitor.
    Reply
  • fokka - Wednesday, June 18, 2014 - link

    what you say makes sense, but i'd still call a 21:9 monitor with a unique resolution "niche". 4k is the future and will be the mainstream in a couple years. this? not so much. Reply
  • marcosears - Thursday, October 9, 2014 - link

    I agree... Most people will want to get one of the top monitors at a more reasonable price range. /Marco at http://www.consumertop.com/best-monitor-guide Reply
  • Marthisdil - Wednesday, June 18, 2014 - link

    It's niche because it's $1000 Reply

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