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      VESA wants to replace monitor response time specs with ‘ClearMR’ stamps

      news.movim.eu / ArsTechnica · Monday, 22 August, 2022 - 16:00 · 1 minute

    computer monitor displaying blurry motorcycle rider

    Enlarge (credit: Scharon Harding/Getty Images )

    Let's say you're buying a new PC monitor, TV, or laptop and want an idea of how clear fast movement would appear on it. What information would you consider? Specs like response time and refresh rate provide an idea of display speed. But if you think about it, a measurement of time isn't a particularly straightforward answer to the question of, "How much motion blur will I see?" In response, the Video Electronics Standards Association (VESA), which makes other display standards, including DisplayPort and Adaptive-Sync , today announced a new specification program that puts a label on displays quantifying their expected motion blur performance.

    The Clear Motion Ratio Compliance Test Specification ( ClearMR ) is a standard and logo program for consumer displays, including PC monitors, TVs, laptops, tablets, and all-in-ones (several products are already certified). It introduces a series of tiers with a numerical value that's supposed to indicate to consumers the display's ratio of clear pixels to blurry ones during fast-paced movement. For example, ClearMR 7000, which has a "Clear Motion Ratio" range of 6,500 to 7,500, means the display would have a clear-to-blurry ratio of 65–75:1 or 65–75 times more clear pixels than blurry ones.

    VESA ClearMR Tier Clear Motion Ratio (CMR) Range
    ClearMR 3000 2,500 ≤ CMR < 3,500
    ClearMR 4000 3,500 ≤ CMR < 4,500
    ClearMR 5000 4,500 ≤ CMR < 5,500
    ClearMR 6000 5,500 ≤ CMR < 6,500
    ClearMR 7000 6,500 ≤ CMR < 7,500
    ClearMR 8000 7,500 ≤ CMR < 8,500
    ClearMR 9000 8,500 ≤ CMR

    In an interview with Ars Technica, Dale Stolitzka, senior principal researcher at Samsung Display’s America R&D Lab and lead contributor to ClearMR, said that VESA settled on ClearMR 3000 as the lowest tier befitting laptops with screens in the 90–120 Hz range. Displays that are 60 Hz would typically not qualify for ClearMR certification.

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      LCD vs. LED vs. Mini LED vs. OLED: A quick guide

      news.movim.eu / ArsTechnica · Saturday, 25 June, 2022 - 11:30

    Magnifying the differences, similarities, pros, and cons.

    Enlarge / Magnifying the differences, similarities, pros, and cons. (credit: Aurich Lawson)

    Somewhere along the line, consumer display technology became an alphabet soup full of terms using the letters "LED."

    In this succinct guide, we'll provide a brief overview of common initialisms found in the world of TV, PC monitor, and laptop displays. To keep things simple, we'll focus on how each technology impacts expected image quality. Whether you're looking for a handy refresher for the next time you're shopping or a quick, digestible guide to give to inquisitive friends and family, we've got you covered.

    LCD

    You're likely reading this article on a liquid crystal display (LCD). "LCD" refers to any display type that uses liquid crystals, including TN, IPS, and VA (which we'll get into shortly). Even an old-school calculator or digital watch can use an LCD. But a simple "LCD" designation doesn't tell you how a screen will perform. You need more information, like the backlight type the panel uses—usually LED, followed by the more expensive Mini LED.

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