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Maybe it is just a two-layer panel: first layer hiding the background ...

http://gd3.alicdn.com/imgextra/i3/1069821249/TB2UIWkbXXXXXXZ...

... and the second layer glowing to show objects.

http://img1.mydrivers.com/img/20140710/c72872d7ae4242b5965e1...



I'm not sure they're using that second layer -- is there space to put optics behind that layer to focus it into the eye?




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