Ultra-High Resolution Scanning Fiber Display for HMDs
http://www.sbir.gov/sbirsearch/detail/415788
...Magic Leap is working to commercialize low cost, compact, high field of view, high resolution consumer wearable display systems.
A quick search for "Fiber Scanned Display" explains the technology:
http://www.hitl.washington.edu/projects/mfabfiber/
If they are building a new kind of 3d display then this may explain why they need a lot of money. They cannot just buy an already massmanufactured display like Oculus is buying it from Samsung.