I'm no expert but after recently playing with an led screen with a dodgy string of led's I got to see the inner workings. I was guessing that all the little layers not being correctly positioned was the cause of uneven backlight. I have seen a post about using a microfibre cloth to smooth out the inner layers. Whilst in bed this morning I noticed that my tv screen (turned of was reflecting the window frame but was not reflecting it as a rectangle more an extreme concave. This got me to thinking that inner layers may have been making contact with the screen or each other. I had tried the cloth trick to no avail. So I had a thought, I used the end off my camera blower brush (rubber sucker) to gently push and pull the screen rapidly and low and behold the backlight is so much better. Just thought it may be worth a go for anyone else with this issue.
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Re: Uneven LED backlight possible fix
In the only one I ever tore down to this level (Samsung D-series) the layers were held in place around the edges with two-way adhesive tape. I would say it's completely possible that the layers could come loose under certain circumstances. -
Re: Uneven LED backlight possible fix
On LG they are held in place by little metal tabsComment
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