Measured Dark Red Values of Zero

[Kuba Trybowski]

My Vivobook Pro 16X (5900HX with a Radeon iGPU + a 3050Ti) has this display:

https://panelook.com/ATNA60YV02-0_Samsung_16_OLED_overview_55705.html

The display is connected to the Radeon, for which I use the latest recommended WHQL driver from AMD (22.5.1).

I calibrated the display to 6500K, 80 cd/m2 and a gamma value of 2.2 using an X-Rite i1 Display Pro Plus and DisplayCAL + Argyll 2.3.1. I used the RGB OLED correction, the lowest possible calibration speed and  the largest available patchset (5000). As a result, the average delta E 2000 value dropped from 0.6 to 0.3, compared to a profile created with CC Profiler (I also attached that verification report).

I’m puzzled by the reported measured values of the darkest shades of red (043, 044 and 045), which are zero.

Should I be worried about those readings?

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