Blacks are not Black. How's your screen? - T-Mobile, Samsung Galaxy SIII

Hi, I just noticed that my Galaxy S3 and my wife's Galaxy S3 do not have perfect blacks on the lock screen. The home screen blacks are pure black as expected from Super Amoled displays. I created a pure black wallpaper in photoshop and tried it on the lock screen and home screen. And for some reason the pure black wallpaper on the lock screen looks as if it's a LCD with light bleed. The same pure black wallpaper on the home screen looks pure black. How about you, do you have a lock screen that does not display pure blacks like your home screen? Am I missing a setting that is causing the lock screen blacks to look like light bleed on an LCD. (Yes I know AMOLED does not have light bleed. I'm only saying the effect on the lock screen blacks only looks like light bleed on an LCD. So please don't respond saying that AMOLED does not have light bleed as I am already aware of this, and this is not what I am saying as well.)
I've attached the pure black wallpaper if anyone wants to test the lock screen and home screen blacks. Would appreciate your input.

Ok, just found out it is the ripple effect on the lock screen that causes this. Turned it off, and now got pure black lock screen. Sweeeet!!!

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