Originally Posted by pinbwiz
It is possible that this theory could be plausible. I too could see the same nonuniformity at the left side of my screen closer to the bottom of the screen ( with the TV off
and the lights on in the room) . I have a bright top left corner, but I could not see this same nonuniformity as easily in that location. And very slight noticeable clouding on that left side. If this is true, then people with severe clouding may have more of this nonuniformity.But, It was just as you described...smooth, slightly glossy in areas where clouding tends to appear...and uniform textured or flat in a majority of the screen where there is no clouding.
This nonuniformity was not very easy to spot on; I had to look at the screen very close up at a sharp angle with all of the lights on. You may need to shine light brightly directly on the screen to test this theory better.
So I wonder if this means: if the screen has a better uniform application of flat textured antireflective coating then the clouding will be less visible......
....it is hard for me to believe that this nonuniform coating could contribute so much to the clouding. Is there any way we can apply this coat ourself? If so, I don't think I would want to do that myself risking ruining the screen. But who knows except quiet desceptive SONY engineers. Maybe it contributes a little to the clouding.As far as the purple haze goes, that is perfectly normal and visible only on blank input at sharp angles with the TV ON. This has been documented many times before.
Hey Pinbiz, thanks for taking the time to check and for the other info.
Wonder if the anti-reflective coating gets disturbed and becomes non-uniform during the LCD manufacturing process? I remember looking at a link awhile back that someone posted here about how these screens are made. I'm no engineer, but it seems there's a possibility that with all the processes involved, the panel is manipulated so many times by presses and rollers that it could alter the texture of the coating. Perhaps there needs to be a little more curing time on the coating, who knows.
Maybe we should all get a can of clear satin finish spray paint and apply our own anti-reflective coatings!
THIS IS A JOKE, NOT A RECOMMENDATION!
Seriously though, I would think that if the anti-reflective coating could somehow be applied as a last step to the finished LCD panel you would end up with a better screen. It's probably not possible though from a technical or economics standpoint though.
I need to see if I can find this "purple haze" thing you mentioned. I'll search the thread for it unless you have any post #'s. Anyway, thanks again.