I'm not sure I'm following. If this is based on a flat panel display, there must be a lens array in front of it. There is no other way to achieve this effect wi

I'm not sure I'm following. If this is based on a flat panel display, there must be a lens array in front of it. There is no other way to achieve this effect without requiring the users to wear glasses. The lens array can be covered by a protective flat glass pane without issue.