Uneven backlight on the lower edge

I'm a proud new owner of the 2013 MBA and I'm simply loving the maching but one observation added a bit of disappointment to the overall experience. Namely, on the brighter images, I see a slight darker line along the bottom of the screen. It's not a perfect line, rather a bumpy one - it's really small and mostly hard to notice (and definitely not noticable at all if you're not on a white or similar background) but it's there. Looks like an uneven backlight to me. Is it some well-known issue with the MBA displays just like the blue-ish tint happened with retinas on iPad 4's or it should be absolutely perfectly white from end to end and I should go get a replacement?

Tigro!
definitely not noticable at all UNLESS youre on a white or similar background
Its not the LCD display, but your edge lighting on the LEDs behind the LCD may have a factory defect as per your indications.
That sort of "bumpy" look you mention would be the spaced LED back lighting.
Make appt. and call Apple about possible replacement of your macbook Air.
Peace

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