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AR film removed - Matte vs Glossy LCD coating/film direct comparison (same panel), polarizer - Page 7

post #61 of 89
For clarity, I'm talking about a VG278HE. Yes I removed the LCD panel because I was concerned about water settling in below on the backlight. There is a layer on the backside of the LCD panel, its not the polarizer --- the film is as clear as it gets and shows none of the properties in the video you made playing with the polarizer chunk you had. It obviously has some function, just not sure what it is.

So now allow me to share more of my failure with you all so that you don't make the same mistakes:

About 2 hrs into the soak, I tested an edge to peel it up and it came up really easily so I got greedy and started to remove the whole thing. You can't tell immediately but its leaving behind some of the adhesive, but that comes up quite easily with a wet paper towel, the real problem was the portion that was still stuck. This small portion in the middle of the monitor still needed to be soaked. The shape was somewhat irregular so i minimized the amount of towel used to cover it but didn't take particular caution to keep it only on the film. About 30-45 minutes later I came back and the remaining peeled up just great, but now where ever the paper towel was touching the layer below (polarizer?) there was a slight discoloration. You have to really look for it, but its there --- this may have been a problem once I got everything going but.......

Having finished watching a movie with the wife and eager to get this going, I stumble back into the kitchen at 12:30PM for final re-assembly. Everything goes together quite easily and all I can think about is if that discoloration was going to ruin the effort. Plug it in, power it on........oh *****.....image is all jacked up. I take it back apart to ensure all the connections were made properly and found everything to be in good working order. The image wasn't consistently weird in anyway, it was just completely effed up so I knew it couldn't have been that other film I took off --- even though I can't confirm that didn't contribute in any way. I start more closely inspecting and realize that the panel as been damaged in the upper left and right corners. Apparently the panel must have shifted within the metal frame ever so slightly such that 2 of the inner black tangs caught the edge and when I closed up the frame crushed that small area, giving me a brand new paper weight. I'll try to take some pictures of the areas in question so you guys can see some stupidity to avoid.

My intention at this point is to call Asus support and see if replacement parts can be ordered and just order a new panel. I've been able to source/replace laptop monitors pretty easily, hopefully this will be the same way.
post #62 of 89
Thread Starter 
Not to be mean, but ya there were way too many things gone wrong with your mod. wink.gif

If you are concerned about water getting underneath the LCD panel, you are using too much water. As for that clear film on the back of the panel, I'm sure it had some purpose if it was not the polarizer. May be a light guide or light diffusion layer?

LCD_Infografik_ENG_380_tcm1113_40124.jpg

2-hours is not enough time, hence why that portion stuck. The glue dries and adheres the matte film back to the polarizer REALLY quick after removing the wet paper towels. The film must be removed in one section/whole piece at a time or the different quantity of residual fine particle adhesive will leave a "ghost" image. 5 hours is the time, 5. I've done like 5+ screens now. wink.gif

LCD panels are really thin fragile glass. It is important to make sure it is properly fitted to the back-light housing before putting on the perimeter panel retention bracket.

Good luck with the repair! PS let us know how much Asus charges or if it is one of those things where it would be cheaper to just get a new monitor.
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post #63 of 89
Quote:
Originally Posted by CallsignVega View Post

Not to be mean, but ya there were way too many things gone wrong with your mod. wink.gif

If you are concerned about water getting underneath the LCD panel, you are using too much water. As for that clear film on the back of the panel, I'm sure it had some purpose if it was not the polarizer. May be a light guide or light diffusion layer?

LCD_Infografik_ENG_380_tcm1113_40124.jpg

2-hours is not enough time, hence why that portion stuck. The glue dries and adheres the matte film back to the polarizer REALLY quick after removing the wet paper towels. The film must be removed in one section/whole piece at a time or the different quantity of residual fine particle adhesive will leave a "ghost" image. 5 hours is the time, 5. I've done like 5+ screens now. wink.gif

LCD panels are really thin fragile glass. It is important to make sure it is properly fitted to the back-light housing before putting on the perimeter panel retention bracket.

Good luck with the repair! PS let us know how much Asus charges or if it is one of those things where it would be cheaper to just get a new monitor.


Yah, I'll definitely let you guys know what Asus says on the replacement panel. I'm curious to see if they even offer it but I tend to agree ---- I think it will be pretty expensive, potentially prohibitively so. I already ordered the VG248QE anyways.....hows that saying go? Second times a charm! LOL....next time I do this when I have the whole day and no distractions.
post #64 of 89
Quote:
Originally Posted by chuckinbeast View Post

Yah, I'll definitely let you guys know what Asus says on the replacement panel. I'm curious to see if they even offer it but I tend to agree ---- I think it will be pretty expensive, potentially prohibitively so. I already ordered the VG248QE anyways.....hows that saying go? Second times a charm! LOL....next time I do this when I have the whole day and no distractions.

Any update on this?

I've removed the matte film on one monitor so far. I'm waiting for the other two to finish soaking. I let this one sit for 4 hours, 45 minutes and it came out fine. All of the monitors are 1280x1024. 3 screen eyefinity @ 75hz for $80 smile.gif

EDIT:
They're done. One of them works, but the other one just shows a white screen... When I first turned it on, it showed basically just one large white vertical bar, and then it went to this. Is it done for? When I turn it on without being connected to anything, it shows a white screen. Not even the "no signal found" thing is shown.
Edited by thebigbug - 3/23/13 at 12:47am
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post #65 of 89
CSV: You really have me thinking about doing this to my PA248Q but I can't find anyone on the webs that has taken my particular monitor apart. Do you have any idea if mine comes apart any different than yours?
 
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post #66 of 89
Thread Starter 
Quote:
Originally Posted by Ramsey77 View Post

CSV: You really have me thinking about doing this to my PA248Q but I can't find anyone on the webs that has taken my particular monitor apart. Do you have any idea if mine comes apart any different than yours?

Virtually all monitors in the last 5+ years all have the same basic design and come apart the same. wink.gif
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post #67 of 89
I did it to my 3 lg 30" monitors. Turned out great
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post #68 of 89
Question about the Asus 144 monitor: is it easy to clean after the matte has been removed? The first monitor that you showed in the video appear to have a very durable glossy layer. Is the one on the Asus just as durable?


I'm afraid of sneezing on my de-matted Asus and then not being able to clean it without damaging the glossy layer. Can u jst clean it with faucet water wetted cotton towel and gentlely wipe clean?

In reply to the guy who's monitor stopped working after four hours of dry time, I'm guessing that some liquid may have seeped into the components? Because the only change we made was removing the front bezel so the only thing that could damage the monitor components would be the water from the paper towels. I think in the future we should all be safe and let it dry for at least 24 hours in a well ventilated or dry environment. Just got to be patient.
Edited by ovawe - 4/18/13 at 1:09pm
post #69 of 89
Hey Vega, great work there biggrin.gif
i have this monitor (my first and only one for the last 7-8 years) : http://www.viewsoniceurope.com/uk/products/archive/ve710s.htm
I may get the Vg248qe and i wanted to test this first on the Viewsonic.. it's possible right?

Some questions:

1. i have to disassemble the screen panel from the back side (electronics i suppose) or i do this whole piece?

2. what are these "wet shop towels" ? what kind of fabric i wanna look for?

3. after the soaking, the coating would come of whole piece or i need to rub it like your video? i cant seem to understand how you cut in the middle..rolleyes.gif

Anyway, any help will be appreciated cowboy.gif
post #70 of 89
I can't help your other questions, but I know the towels he's using:

http://m.homedepot.com/p/Scott-55-ct-Shop-Towels-on-a-Roll-75130/100029293
 
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