VESA is trying to solve a big problem with its updated DisplayHDR 1.2 specification: Low-end HDR effects in PC monitors can be pretty lousy.
Roland Wooster, a principal engineer for Intel who also chairs the VESA Display Performance Metrics group, described the new update as a “tightening” of the spec, while expanding the scope and criteria of the tests. The goal is to improve the visual quality of the monitors you’ll buy, though one of the tests will also have an impact on how much power they’ll consume, too.
You won’t see the impact right away, however. VESA will preserve the DisplayHDR 1.1 specification and certification until 2025 (and 2026 for laptops) to preserve products that are currently under development.
High-Dynamic Range (HDR) can be an impressive visual effect, mimicking how your eyes adjust to bright lights, especially if you’re emerging from the dark. But displays struggle with preserving dark portions of the screen and maintaining detail in dimly lit scenes.
It’s one reason why we’ve advised you to buy a higher-end DisplayHDR 1000 monitor rather than a cheaper, low-end display. HDR displays come in DisplayHDR 400, 500, 600, 1000, and 1400 specifications, referring to the amount of light in nits that they can produce. You’ll need a GPU and display that can support HDR, plus content that’s optimally encoded for the format.
For more on our display recommendations and why we make them, see our list of the best monitors.
One of the assumptions the new spec tends to make is that you own a MiniLED display. A standard LED display has a single backlight, and raises and lowers the light level across the entire display. OLED displays can essentially turn individual pixels on and off, with infinite contrast. Mini or MicroLED displays are somewhere in the middle: they can have hundreds or thousands of individual LED backlights, known as “local dimming,” that can be used to subdivide areas of the screen. One of the tweaks to the specification is to stop testing two regions of the screen — white and black — and use a “starfield” pattern that actually activates those other local dimming areas.
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