P2720DC, backlight bleeding, #2

Hi, 

I have bought Dell P2720DC a few days ago. The reason to choose exactly this model was because at work I'm using P2720D, which is excellent monitor, so I just go for the next better one with the USB-C option. But as far as I'm working on it at home, I can see irritating backlight bleeding in the bottom of the screen, more in the left part, less in the right (asymmetric to the center). It is very easy to notice at dark colors, and is making the experience of this new monitor disappointing. At a full color image it is harder to see it and may be in this case it will be acceptable. But I'm mainly using my monitors for programming and to watch a move from time to time, so it will be mostly used in "dark mode", long night hours.

I've run the build-in test on the both - office and home monitors and this is the result.

Office P2720D, black color, build-in test:

No bleeding, perfect image, as I expected also from my new P2720DC.

And this is P2720DC at home, test pattern:

And this is what you see when watching movie:

Next to the left backlight bleeding on my home P2720DC is a small area with a little bit purple color, but it looks like the matrix is fine. This is the color test:

Here is what I see when I'm login in the ubuntu and using terminal:

Sorry about the focus, but my phone is having troubles capturing the monitor surface, I can't understand why, may be the coating on the screen?

The monitor is used something like 30 hours, it is still new, and with this issue from the beginning. I was thinking it is not a big deal, but actually knowing what should be the quality of the P2720D it is hard to accept the brand new P2720DC at my home desk will have such a visual defect. So what can I do in this case, is it warranty issue or a have to use it "as it is" ?