Question
My TV / monitor permanently shows bright, cloudy patches, what can I do?
Answer
The effect, also known as clouding or pocket lamp effect, can be triggered by overheating.
Clouding mainly occurs on televisions / monitors with so-called side LED backlighting. This has a light-conducting plastic plate behind the panel, which is illuminated from the side by LEDs and whose light is distributed over the entire panel. Overheating can cause the plastic panel to expand and become uneven. The light is no longer distributed evenly and the undesired effect appears.
To avoid the problem of overheating and thus the torch effect, the television should not be placed directly next to a heater. Other sources of heat in the immediate vicinity can also be the cause. These include full sunlight through a south-facing window as well as shelf lighting from halogen or incandescent lamps.
In addition to passive cooling by changing location, it also helps to have the TV as freely positioned in the room as possible. In this context, a wall bracket that places the television very close to the wall should be avoided in order to ensure sufficient air circulation between the wall and the back of the television. back of the television.
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