QUOTE(alexnvidia @ Jul 31 2008, 11:32 PM)
light leakage/ bleeding is easy to detect. just make sure u r in a completely dark room, no light source watsoever apart from your LCD at max brightness, look for bleeding/light leakage especially around the corner areas. it's very obvious even to the untrained eye. and while you're at it, you can angle around and check for uneven brightness. this one takes a little bit of eye training and coordination. you'll notice some area of the LCD is brighter or dimmer than the other area. as for grainy, well, as the name suggests, you get to see grains of "sand" forming all over your LCD, and you just cant seem to wipe them off. this too, takes a little bit of training. best way is to compare with other brand notebook with same resolution LCD.
maybe i'm in a state of denial or what...but i did apply the techniques u mentioned, and felt happy with the way things are as of now.

felt just like what i've expected of an LCD screen, I would approve their quality if I were QC analyst. maybe got used with Samsung coz all my monitors are Samsung-based. hehe.
but since you've mentioned it, i did notice my desktop LCD, I'm using a black background wallpaper, at different angles, I did notice the corners give aways some reddish lights...is this the "light leakage" phenomenon the people are talking about? ahh, out of topic.
anyways, I', Ok with all that actually, not too picky. unless these kinda issues can cause blindness in the long term. then it IS an issue.