glue for screen ?
- Thread starter Phil77560
- Start date
This is a very annoying problem of the chinese displays that come with a frame or pre-applied tape.
The display+lcd assembly is too heavy to be held by any normal 2-sided tape (3M 300LSE for example).
After hours of checking how the original thing was made it turned out that it has a rubber-like gasket that is glued to the frame, which acts as bonding surface for the 2nd glue used to hold the digitizer to the frame.
These are all my own findings, sadly no pne is discussing this problem anywhere or at least I didn't find any.
I've used a transparent epoxy (65-70% resin ~30-35% oxidizer so the compound hardens slower).Use a wooden tooth pick to apply the glue on the frame, don't put to much of it, just a hair-thin line.
Put the screen on and press it well and be ready to clean off any glue that may come out of the edges. The epoxy is easy to clean until it's set, use isopropyl alcohol 99% or some dry contact cleaner with a cotton cloth or kitchen paper.
The drawback of using epoxy is once it's set, you won't be able to remove the screen from the frame by any viable means.This is not a problem tho, since you can buy the whole assembly, should you need to replace the screen again.
Good luck.
same issue
Hi,
Thank you very much for having shared your experience with us
.
I have exactly the same issue with my Moto G and I've finally found a way out thanks to you. I would try this but I'm afraid of doing it bad. Should I apply the glue exactly in the border of the display? Do you happen to have any video showing it in detail?
Have a nice day
Hi,
Thank you very much for having shared your experience with us
. I have exactly the same issue with my Moto G and I've finally found a way out thanks to you. I would try this but I'm afraid of doing it bad. Should I apply the glue exactly in the border of the display? Do you happen to have any video showing it in detail?
Have a nice day
Hello,Hi,
Thank you very much for having shared your experience with us
I have exactly the same issue with my Moto G and I've finally found a way out thanks to you. I would try this but I'm afraid of doing it bad. Should I apply the glue exactly in the border of the display? Do you happen to have any video showing it in detail?
Have a nice day
You should apply the glue in the frame, as close as possible to the outer rim and spread it as much as possible on the thin inner lining where the plastic of the frame and the glass make contact.
You can also use universal transparent glue, like JIP or Henkel... etc.These glues are a bit more liquidish and it takes more time to set properly, but they are also more flexible and you can also remove the display with heat, should you have the need to .
Sorry no videos available on this, but with a little effort and reading you'll be fine.
liveroy's advice is great. I've followed it with success, although the screen I bought has the dreaded phantom touch issue (cheap ebay job!) and will have to go back (this issue was apparent even before I glued it to the mid-frame).
Firstly I separated the screen from the mid-frame with two small suction cups, designed for removing halogen light bulbs, on the top and bottom of the glass. This worked well, but I had to use very gentle tugs to ensure I didn't tear the ribbon cable. Because the double-sided tape used was already separating, this was quite an easy part of the job.
I used Araldite 2-Tubes Standard Epoxy, because it has a very long cure time, which allowed me to work slowly. With the screen and mid-frame completely separate and cleaned up, I then threaded the screen's ribbon cable through the hole before glueing. The trickiest bit was putting the epoxy along the frame where the ribbon cable is; to do this I just wedged some folded paper between frame and screen while I layed down the epoxy. I guess I could have just done this bit first and avoided the need for a paper wedge (this was used to prevent prematurely sticking the screen to the frame before all the epoxy's down).
I used the screen's plastic film to protect the screen from the epoxy, and cleaned the excess epoxy with an old bottle of disk head cleaner I found lying about (smelt very alcoholly!) and cotton buds. I used some clothes pegs to clamp the screen to the frame, but I took them off after a few hours. Then I left it for a couple of days. The result was as good as I could have hoped for. I can see a little bit of the dried epoxy in the very narrow trenches between the mid-frame and glass, but this doesn't bother me. Way better than having light streaming through the sides, and it seems like a really solid grip! When in use and getting warm I could still see a bit of lift at the sides, but because it was glued there was absolutely no gap.
Going back to the original need for this fix -
On my phone I believe this is due to a warped, concave logic board, effectively peeling the glass away from the mid-frame when fitted. If it were totally flat then I doubt this would happen. I guess the aftermarket screen manufacturers didn't factor this in when they decided to use "weak" double-sided tape. I've also noticed that, with the new screen in place, the outer back shell of the phone, that you put on last, doesn't quite fit at the bottom like with the old screen - there is now a small a gap where the inner plastic housing is exposed. I think this is because the new mid-frame is straighter than the old, and the old shell has itself bent over time.
Firstly I separated the screen from the mid-frame with two small suction cups, designed for removing halogen light bulbs, on the top and bottom of the glass. This worked well, but I had to use very gentle tugs to ensure I didn't tear the ribbon cable. Because the double-sided tape used was already separating, this was quite an easy part of the job.
I used Araldite 2-Tubes Standard Epoxy, because it has a very long cure time, which allowed me to work slowly. With the screen and mid-frame completely separate and cleaned up, I then threaded the screen's ribbon cable through the hole before glueing. The trickiest bit was putting the epoxy along the frame where the ribbon cable is; to do this I just wedged some folded paper between frame and screen while I layed down the epoxy. I guess I could have just done this bit first and avoided the need for a paper wedge (this was used to prevent prematurely sticking the screen to the frame before all the epoxy's down).
I used the screen's plastic film to protect the screen from the epoxy, and cleaned the excess epoxy with an old bottle of disk head cleaner I found lying about (smelt very alcoholly!) and cotton buds. I used some clothes pegs to clamp the screen to the frame, but I took them off after a few hours. Then I left it for a couple of days. The result was as good as I could have hoped for. I can see a little bit of the dried epoxy in the very narrow trenches between the mid-frame and glass, but this doesn't bother me. Way better than having light streaming through the sides, and it seems like a really solid grip! When in use and getting warm I could still see a bit of lift at the sides, but because it was glued there was absolutely no gap.
Going back to the original need for this fix -
On my phone I believe this is due to a warped, concave logic board, effectively peeling the glass away from the mid-frame when fitted. If it were totally flat then I doubt this would happen. I guess the aftermarket screen manufacturers didn't factor this in when they decided to use "weak" double-sided tape. I've also noticed that, with the new screen in place, the outer back shell of the phone, that you put on last, doesn't quite fit at the bottom like with the old screen - there is now a small a gap where the inner plastic housing is exposed. I think this is because the new mid-frame is straighter than the old, and the old shell has itself bent over time.
Last edited:
Hi,
I'm happy to found this thread. It's the second screen i replace on my Motorola Moto G4 Plus because of this; you can view my comment here : https://www.witrigs.com/oem-lcd-screen-assembly-for-motorola-moto-g4-plus-black#customer-reviews
I will try to use super glue on the top of my screen, hope it'll work. EDIT 20190122 : it worked (be careful to not add too much glue like i did : it was covering camera when pressing !)
Thanks
I'm happy to found this thread. It's the second screen i replace on my Motorola Moto G4 Plus because of this; you can view my comment here : https://www.witrigs.com/oem-lcd-screen-assembly-for-motorola-moto-g4-plus-black#customer-reviews
I will try to use super glue on the top of my screen, hope it'll work. EDIT 20190122 : it worked (be careful to not add too much glue like i did : it was covering camera when pressing !)
Thanks
Last edited:
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This is a very annoying problem of the chinese displays that come with a frame or pre-applied tape.
The display+lcd assembly is too heavy to be held by any normal 2-sided tape (3M 300LSE for example).
After hours of checking how the original thing was made it turned out that it has a rubber-like gasket that is glued to the frame, which acts as bonding surface for the 2nd glue used to hold the digitizer to the frame.
These are all my own findings, sadly no pne is discussing this problem anywhere or at least I didn't find any.
I've used a transparent epoxy (65-70% resin ~30-35% oxidizer so the compound hardens slower).Use a wooden tooth pick to apply the glue on the frame, don't put to much of it, just a hair-thin line.
Put the screen on and press it well and be ready to clean off any glue that may come out of the edges. The epoxy is easy to clean until it's set, use isopropyl alcohol 99% or some dry contact cleaner with a cotton cloth or kitchen paper.
The drawback of using epoxy is once it's set, you won't be able to remove the screen from the frame by any viable means.This is not a problem tho, since you can buy the whole assembly, should you need to replace the screen again.
Good luck.
