Re: "Shadows" on LCD screen. Mura effect?



Thanks. I have waited too much until today... No problem to wait a little more.

If, as you all suggest, this problem is related to the LCD panel or the diffuser/polarizing back layers, your video will be very useful to show how to deal with them (after reach them, which I can imagine will be different with an Apple LED)...

Re: "Shadows" on LCD screen. Mura effect?

Many thanks Bammbammfran for your answer.

So you think it can be some very thin dirt adhered to the internal faces of plastic layers or LCD glass by evaporation of moist...
Well, it's close to one of my guess, but it was the least probable to me mainly due to the changes in the shape and density overtime of the "shadows", the fact that they don't show until the monitors have reached a certain level of warm up after turn them on, and that strangely some areas affected in the past are relatively clear...

I´m asking you for any help about a problem affecting both my NEC SpectraView 2490 and my NEC MultiSync 2490WUXi² LCD monitors.

[B]Description of the problem:[/B]

After a year - year and a half of use, both displays began to show irregularly shaped dark "shadows" on the right edge from top to bottom of the screen. At first they are not much annoying because they don't affect the main working area, so I tend not to care much about it; also somewhat reassured as I can see that they change over time and don't seem to be a permanent electronic nor mechanical...

Re: New Members - please post your introductions here

Hello Badcaps

I´m a designer-illustrator from Spain who has lived first hand from the very beginning the change to digital, but just an amateur-hobbyist on electronics, anyway very interested in learn DIY techniques about the subject.