clear panel noise/pixel refresher reduces future temporary image retention?
Our B6, for months, had been exhibiting worse and worse temporary image retention. Even a static yellow on screen for less than a minute would cause a temporary IR shadow that lasted much more than several seconds. It was almost immediate and lasted longer than before. So, I ran a manual 1 hour clear panel noise cycle, seeing as gray uniformity was poor. It cleared up most of the uniformity issues (except for the permanent burn-in), but to my surprise, it also seems to have improved temporary image retention performance. Bright, static yellow elements on screen no longer cause immediate and long-lasting temporary IR. It still happens, of course, but it takes much more time displayed on screen for the image to "stick."
What do you guys think is happening here? Why did the TV's temporary IR performance get worse over time? Why did a manual clear panel noise cycle improve the IR performance? Is it possible that the automatic short cycles (TV off after 4 hours on time) aren't working properly on the TV and it's causing the worse temp IR performance over time?
Anyone else notice this?