Thread: Anti-Glare solution found?

someone hurry up an put a sheet over their lilly!


errr xenarcs if you have one or whatever lcd...not to be biased

So i know that most of you don't want to hear this but now that I read the last few posts i realize what you all were thinking.

Putting the film on without some kind of glue glue will likley accomplish nothing other than making the image a little fuzzier. The reflection off the screen that we all call glare is made possible because there is a boundry between materials that have two very different indexes of refraction, air with n=1 and glass or polycarb or something who's index is about 1.5. These AR films can work a number of different ways to fight that reflection. If yo put the film on without some kind of glue you will still have an air gap (even if it's only a micron or 2 light don't care) and you will still get the same reflection. The only difference is that you will be looking through whatever you put on the screen as well. So in all likleyhood you will have a net loss in contrast (it's contrast that's really important, not brightness) because the film will have some loss to the good light and it will provide some reflection of bad light even if it is reduces.

Has anyone figured out what is laminated onto the front of the touchscreens I wouldn't be supprised to discover that this stuff (or a similar film) is already there.

If i were going to continue with the idea what I would do is try to buy a touchpannel without anything on the front surface and get the best AG film out there and put it on with a index matched adhesive.

Also note that those of us using a touchscreen are living with the loss it causes and the exrea air glass reflection between the touchpannel and the LCD. This is why the brightness is generally a little lower for the touch capable versions of monitors.

Stationrocket, I understand all that you are saying and you are correct, everyone listen to him! This is why I wanted to replace the touch layer with this new motheye stuff. The lilliput touch layer is cheap and I don't think it has any AG or AR benefits except from what naturally comes with the material. Unfortunately, I don't think it would be an easy task to coat this motheye material with conductive coating and glue it on to replace the original touch layer...
Any have thoughts on this? Someone do research on coating these!

Originally Posted by brrman

Doesn't polarization only work when you are "behind" the polarized surface (ie. sunglasses)? It polarizes, it does not alter reflective properties.

Ok here's a quick note on polorization then i gotta get back to work. You can think of light being made up of waves that are all oscilating in different dirrections all perpindicular to the dirrection the light is traveling. Just like we learned in math class to break any vector up into it's x axis part and y axis part you can do the same with light (or any wave for that matter) we call the two polorizations S and P, but don't worry about the names lets just think up/down and side to side. so when you put on polorized sunglasses they block all of the side to side component of the light waves comming at you so you are only left with the up/down which is only 1/2 of the light and therefore darker.

So this has really nothing to do with the antiglare thing in most cases. There are cases where most glare is one polorization but i won't get into that now.

Another interesting note is that LCD's use polorization to make the image on the screen which is why they look wierd when you look at them through polorized sunglasses. This would also make them look all wierd if you put some kind of polorizing film on them.

I hope this helps. If anyone has any more optics questions i'll try to check this thred later tonight or tomorrow and try my best to answer them.

You've been very helpful. Do you know where to get adhesives and conductive coatings?

Originally Posted by ddogg_777

Stationrocket, I understand all that you are saying and you are correct, everyone listen to him! This is why I wanted to replace the touch layer with this new motheye stuff. The lilliput touch layer is cheap and I don't think it has any AG or AR benefits except from what naturally comes with the material. Unfortunately, I don't think it would be an easy task to coat this motheye material with conductive coating and glue it on to replace the original touch layer...
Any have thoughts on this? Someone do research on coating these!

So there are a lot of touchpannels out there i rememeber seeing when i was searching before i decided to go with a Xenarc. There are only a couple of different ways that they work so if you can figure out what you have it won't be hard to get a dirrect replacement. They may even have something that's already AR/AG.

OK i'm really getting back to work now.