It's not a hologram. It's "45 discrete views of a 3d scene presented over a 50 degree cone."[1] It's a volumetric display made from a flat display by spreading the pixels over 45 planes.
"User interface" implies there's an input method. What's the input method for a Looking Glass display?
Can't say I'm a fan of them using the name Looking Glass. Looking Glass Studios may have gone bankrupt twenty years ago but they're still much more famous than this one.