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Other ways to remove retention?

715 Views 5 Replies 5 Participants Last post by amesdp, May 16, 2007

boostfrenzy

Discussion Starter · May 16, 2007

I've been very careful, panel has about 700hrs on it Samsung HP-S4253, I went to an all white pattern today to check for any retention/burnin, in the lower right hand corner I see a very faint ghosting of "CW" (girlfriend must have been watching this channel a lot lately), i've ran the TV in "signal pattern" mode where it "washes" the screen from dark to bright white and rolls, done this for a few hours and the tv's also watched frequently during the day, still there :/

Also have to note I can't see it from standing just a few inches away from the display, I have to be a few feet back and look very closely to see it and only under certain shades of white, full white it's almost unnoticable at all, a bit darker and it's more noticable, basically it's hard to see at all so i'm hoping more washing will eliminate it

does that mean this is permanant?

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Tribbletrouble

· #2 · May 16, 2007

Quote:
Originally Posted by boostfrenzy /forum/post/0

I've been very careful, panel has about 700hrs on it Samsung HP-S4253, I went to an all white pattern today to check for any retention/burnin, in the lower right hand corner I see a very faint ghosting of "CW" (girlfriend must have been watching this channel a lot lately), i've ran the TV in "signal pattern" mode where it "washes" the screen from dark to bright white and rolls, done this for a few hours and the tv's also watched frequently during the day, still there :/

Also have to note I can't see it from standing just a few inches away from the display, I have to be a few feet back and look very closely to see it and only under certain shades of white, full white it's almost unnoticable at all, a bit darker and it's more noticable, basically it's hard to see at all so i'm hoping more washing will eliminate it

does that mean this is permanant?

No, its not permanent, but it may take at least a few days worth of that wash screen to remove it. Keep running it till its gone.

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boostfrenzy

Discussion Starter · #3 · May 16, 2007

at what point is it permanant? everyone always worries about retention and most people experience it but probably don't notice unless they check a white background frequently, but what does it look like when it's actually "burned in" and incorrectable?

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polymeld

· #4 · May 16, 2007

my undertsanding was that the image will always be there but just get less noticable over time. Isn't the issue here that some of the pixels have experienced more wear then others and hence are slightly different in color due to fade. So blasting the screen with white will make it less obvious but there is still uneven wear on the pixels.

I would guess the best way to combat this would be to make a negative of the screen and play it back over a PC (or burn to DVD) so that the part where you see the problem is black and everywhere else is white. This will help even the wear between pixels. How you would do this is another story.

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Neoison

· #5 · May 16, 2007

Use a hammer. No more IR

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amesdp

· #6 · May 16, 2007

Most image retention fades within 24 hours of viewing time. The best pattern to use is random snow, like with the TV tuner on an unused channel. See http://www.pioneerelectronics.com/pi...0-%20FINAL.pdf . According to their tests, all the plasma TVs they tested showed significant image retention after viewing a fixed pattern for 48 hours, but it faded to zero on all of them within 24 hours of normal viewing. This has also been the experience of all the other plasma owners I know who followed this advice.

Burn-in is a much longer-term process that usually takes weeks or months to become noticeable.

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