LCD screen -- water spots

On a sunny day (Mon, 20 Jan 2014 06:36:14 -0800 (PST)) it happened mkr5000 wrote in :

I once had a LCd monitor to Samsung for repair, when it came back it had a black spot on thw screen. Closer look revealed it was a very small insect, not on the outside, but behind the glass. Tapping the galss did not help... it looked glued to the screen. Just the size of a pixel or 2, after some weeks it disappeared, probably fell of, or ended its summer sleep....

Probably does not help you, but I would take the thing apart ot see if it is on the backlight or on the LCD itself. Nothing to lose....

Hard to say without seeing it first hand. If it is water then it will move around whereas if it is a salt residue from dirty water having entered the display then it will sit there until cleaned off.

Putting it inside a largish airtight tin or fish tank with some rice as dessicant might help remove any traces of water trapped in between the thin films. Problem is that unless you have somewhere else for the water to go you will end up chasing it around with heat. You could just wait and see if it recovers when kept in a warm dry office environment.

I read about that rice trick -- actually I moved the heater (set on low, ab out 8" from screen) to another area and I've removed about 70% of the damag e so far.

I learned this -- direct the heater to the edges of the "cloud" and work your way in, rather than pointing it in the middle.

Believe it or not, I think the heat is going to do the trick.

ater or snow.

" that are here and there in the display background. Ran into some info tha t said to put a small heater in front of the bad areas (within reason obvio usly) and that will help. Lo and behold after a few days it did clear up so me of the areas I've directed the heat toward, but some others are VERY stu bborn.

ironment will these spots eventually go away? Or do you think that unless t hey go away soon, that the damage may be permanent?

someone does. Also, disassembling the display looks like something I don't want to do or may be impossible from the looks of it. Thanks.

Do you have access to a sufficiently large vacuum chamber to hold the TV?

Failing that, maybe buy a box of dessicant from your friendly neighborhood craft store and stick it in a closed garbage bag in a warm space for a week or two.

That's a GREAT idea.

I think you can get those silica packs online.

So far the heat is doing pretty nicely but I bet that would do it.

ter or snow.

that are here and there in the display background. Ran into some info that said to put a small heater in front of the bad areas (within reason obviou sly) and that will help. Lo and behold after a few days it did clear up som e of the areas I've directed the heat toward, but some others are VERY stub born.

ronment will these spots eventually go away? Or do you think that unless th ey go away soon, that the damage may be permanent?

someone does. Also, disassembling the display looks like something I don't want to do or may be impossible from the looks of it. Thanks.

Rice is supposed to be a good substitute for removing moisture.

Cheers

Basmati might be good because the guy who will eventually fix your electronics would like it.

Best regards, Spehro Pefhany