Adam Savage's Tested went further in depth on this tech in the video below, you can see 3D without glasses.

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.