Yeah, I almost can't see it at all in the day time. The only time I can see the hot spots is at night, watching Netflix, or anything with a black background. (or dark grey). I really have to be a dark environment when I run the test at 100% brightness to check. Just out of curiosity, did you run this in the dark at 100% brightness? I know it's not a common use case, but, it assists in this particular test.