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A plasma screen: subjection to burning
Some of the readers on our French language forum have been having a little debate: they find us overly alarmist when it comes to the principal default of plasma screens: burning.
Vincent Alzieu
Published: July 24, 2009
Published: July 24, 2009

What is burning ?

You can get burning when a fixed image, or parts of static images, are displayed on a TV screen for a “certain” time. How much time? We are carrying out this test to find out…
Except in some extreme cases, this burning will in any case only be temporary. It disappears progressively. The main exception we know of is with users who for months, or even years, have watched in 4/3 format and are now changing to 16/9. In this case, the area that differentiates the two remains burnt, without hope of remission. This example was given to us by a plasma manufacturer…
The inset image shows a mark left by the messaging tool, Outlook, on a test screen.
So then, what is the truth about burnt panels? Is it an ongoing problem or a thing of the past? And if the phenomenon does still exist, which is what we hold to be the case (and what we note in our tests – we only mention it when we actually see it to be so during the trials), how long does it take to disappear and can it also sometimes be irreversible?
It’s summer and everyone is heading for the beach... Instead of beachball though, we’re playing at burning a screen!
A poor victim has been designated: the plasma Samsung PS42C96HD. We have just this moment begun the torture session. It's going to go through some tough times and we'll let you know how it does and give you the results as they come up. Follow the story in the article we're dedicating to the subject: a plasma: subjection to burning.

We’re warning you now: the gloves are off! Brightness and contrast are at a max! The test includes the following:
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- exposure of a plasma to a fixed image for one hour, then display of uniform grey to detect any burnt zones. We then film the panel to get an idea of how quickly any peristent marks disappear.
- exposure of a plasma to a fixed image for one night, then display of uniform grey to detect any burnt zones. We then film the panel to get an idea of how quickly any peristent marks disappear.
- exposure of a plasma to a fixed image for one week, then display of uniform grey to detect any burnt zones. We then film the panel to get an idea of how quickly any peristent marks disappear.
Then we do it again! If there is any marking, does it disappear more quickly with the screen on or off? Alright! We test this too.
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- exposure of the plasma to a fixed image for one hour, then we turn the television off. We then turn it on at regular intervals to detect any burnt zones. We also film the panel to get an idea of how quickly any peristent marks disappear.
- exposure of a plasma to a fixed image for one night, then we turn the television off. We then turn it on at regular intervals to detect any burnt zones. We also film the panel to get an idea of how quickly any peristent marks disappear.
- exposure of a plasma to a fixed image for one week, then we turn the television off. We then turn it on at regular intervals to detect any burnt zones. We also film the panel to get an idea of how quickly any peristent marks disappear.
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- exposure of a plasma to a fixed image for one hour, then display of a snowy screen. We then resubject the screen to the display of uniform grey to detect any burnt zones; we then film the panel to get an idea of how quickly any persistent marks disappear.
- exposure of a plasma to a fixed image for one night, then display of a snowy screen. We then resubject the screen to the display of uniform grey to detect any burnt zones; we film the panel to get an idea of how quickly any persistent marks disappear.
- exposure of a plasma to a fixed image for one week, then display of a snowy screen. We then resubject the screen to the display of uniform grey to detect any burnt zones; we film the panel to get an idea of how quickly any persistent marks disappear.
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Exposure for an hour then grey display
Exposure for an hour then grey display










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