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Full Version: 15.4" Wuxga Reflective Layer Removal
Lumenlab > LLAVS: Lumenlab AVS > Advanced Projector Builder > Extreme Mods
Bevan Jones
Hi Everyone out there!
I'm just posting and hoping for some help on removing the horible reflective layers from the back of my WUXGA Sharp 15.4". I have heard various ways of getting rid of this stuff. I've heard it can be just pulled off in 2 layers, and also that it needs a water soak.

How hard is this stuff to actually remove? I'd love to get rid of this stuff on my pannel. If it comes to it, and it goes wrong, I can always repolarise it, right? ohnoes.gif

Bevan
DR_EVIL999
There are 2 layers, I have pictures in my project thread, I peeled the first layer and then the second carefully while trying not to bend the lcd in any way, then clean off the glue, I used meths to soften and then rolled it off with my fingertips, water takes it off too but very slowly!

Mine was done dry.
jonjandran
Some peel off in 2 layers with no residue.

Some peel off in 2 layers and leave a lot of glue.

Some must be water soaked for 4 hours for each layer.

You won't know till you try.
lonewolfmichigan
I did mine dry also and all went well,EXCEPT the glue did'nt come off with the 2 layer.It stuck to the polarizer which I'm now attempting to remove via the water soak method.
lonewolfmichigan
Well,after an 8 hour soak via water/paper towel method,glue has definitely softened up and is coming off much easier with a light rubbing with a damp soft cloth.No acetone or other chemicals required! Amazing!:)

Thanks jonjandran and dr.evil999!

Hope yours goe's good as well Bevan.
Bevan Jones
Thanks for the help everyone. I'm still waiting on getting a balast to get my projector running. I'll try it with the reflective layer first, then give removing the horible stuff a go. In all reality, how much of an effect does the antiglare have in comparison to the reflective stuff? Is it mainly the reflective stuff that makes the projection difference?

Bevan
lonewolfmichigan
The reflective layers definitely were blocking light on my lcd.I gained at least 20% more light transmission thru the lcd and was pleasantly surprised.The AG layer remove was fairly easy,and I just did'nt wanna fool with it later.May as well do it all in one swoop.The AG had a dull fuzzy look to it.It made some nice improvement removing it.
Bevan Jones
mmm.... yeah, I have heard that it's good to get rid of the AG, but I have a sharp. I have seen that jonjandran says that this is NOT a good monitor to attempt AG removal on. The LCD that I have has no difference in size between the AG and the polariser. This makes the edge of the AG extremely hard to find.
DR_EVIL999
Have a look at the polishing method.
Bevan Jones
mmmm.... have been looking at that, but can't seem to find any reference on this forum to someone polishing the antiglare on a 15.4 Sharp wuxga. If anyone could point me to someone that has, I'd greatly appreciate it. Also, is there any posts on this forum that explain the antiglare polishing procedure. I'd prefer not to be the guinea pig, but I might get tempted.

I can get my hands on Mothers mag and aluminium polish locally.

Bevan
DIY_guy
I peeled the anti-reflective off in one piece, no water soak. Pretty much all the glue was left behind. I took my fingers and rubbed the glue and after a few hours I got it all off. End result? Blistered fingers, but it got the glue off. Sadly, the panel had problems to begin with, so I had to buy a new one.
Bevan Jones
Hi Everyone,
Just a quick post to say thanks for all the help. I've stripped both reflective layers off my lcd successfully, and the difference is HUGE! The colours are so much more crisp! I don't currently have a ballast to drive my Osram HQI, but have a 150w halogen lamp in my lamp cavity for the time being. Now I've got to wait for it to get dark so I can get a descent projection in the garrage... it has no curtains sad.gif. It looks absolutely fabulous looking through the lens, even with my crappy 150w, 2500lumen, 3500k lamp! Can't wait to get that 31,000 lumens of osram behind there! Then I've just gota worry about temperature...

Oh, I went with a dry peel for both layers and came out with no glue what so ever on the lcd.

Bevan



Anyone got any tips on scratch removal from fresnels? I've heard mother's mag and ally pollish works wonders. I've got a tiny scratch in one of my fresnels. It's slightly visible in the projection, but is nothing too serious. The longer I look at it though, the more it bugs me. tongue.gif
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