QUOTE(Windsux @ Sep 14 2023, 12:04 AM)
in layman's term, ur monitor has fake HDRa true HDR monitor must have all of these 3 requirements:
1. can dim itself to show true black (mini-LED with >1000 local dimming zones, or OLED panel), or minimally, has very high contrast ratio which mimics near black
2. peak brightness of 1000cd/m2 or more, a.k.a. HDR1000 and above
3. high DCI-P3 coverage, >95%
a monitor which lacks number 1 and 2 is not a true HDR monitor, and many monitors steer towards fake HDR.
fake HDR monitors e.,g. majority of gaming monitors on the market, tout HDR400 but is incapable of showing actual HDR on their displays, means they can receive HDR input, but cannot give proper HDR output.
the monitor receives HDR input, cranks its backlight to 400 nits near constant and call it a day.
this is one of the fake HDR symptoms, because true HDR doesn't set its backlight to near-constant, but instead it's dynamic in every inch of its area.
in HDR image, different part of light emits different brightness intensity, so say a fluorescent light in a film may be set to 700cd/m2 while the sunlight in said film is set to 1200cd/m2. true HDR monitor and fake HDR monitor respond differently to this information.
a true HDR monitor can properly process these HDR inputs and output correct intensity of these different points of light (but still, if the brightness is more than what said monitor's peak brightness per window percentage, it'll cap it to its max peak brightness but it's already bright enough to show true HDR)
a fake HDR monitor cannot properly process said HDR inputs, and therefore leads to washed-out colour and light as what you've seen on ur monitor.
Sep 14 2023, 02:39 PM

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