Your touch panel has some kind of antiglare layer/coating, the previous lilliput models did not have any antiglare treatment so they dont have that grain like effect, but this causes it to look like a mirror when the sun is out. If glare will not be an issue for you try contacting Armen from
www.digitalww.com, he should be able to get you an older panel. I've owned screens with both panels and i recommend sticking with the one you have