Not a whole lot of substance there. I can't tell if there's anything significant to the tech.
How Lightfield Displays Will Make Holograms Possible https://youtu.be/PgiyoweaPb4
I have a display from Project Looking Glass (Kickstarter version), one of the makers of this tech, it's somewhat low res but very impressive and open for content generated in apps like Blender or 3D cameras.