dear sir

i have like this lcd but without S type it's W and i don't know what (W) Your test nice.
I work in grphics and i feel i want to broken this bad lcd the color not come ok from up to down and why samsung do this in poepol makinig 2 lcd S and W or A why they confuse us and the proplem the shop i take from them thay don't know anything about this ..
so what i do
thanks