Have you seen this patent?

[Stergios74]

A new MICROSOFT patent about ELECTRONIC LIQUID CRYSTAL LENSES. Suitable for a foldable display.
ELECTRONIC LIQUID CRYSTAL LENSES
It eliminates the gap between two displays. Focus in fig 5

 

[NicolasKR]

Interesting indeed

 

[Rowdy Bedsaul]

That is very cool but looks like that would crazy expensive.

 

[xandros9]

Companies patent stuff that may never see the light of day all the time.