EMAN makes HD quality displays the size of quarters.
Their architecture is OLED which allows many fundamental probably insurmountable benefits over incumbent techs like LCD and LCoS.
The displays are great but expensive. EMAN's $20-25m sales run-rate consists of a few tens of thousands of displays, priced at several hundred dollars apiece, mostly to military OEM's for portable optical devices like night vision goggles and weapon's sights.
Consumer and industrial AR/VR are probably getting ready to go, and millions of units per year are plausible in the medium-term. EMAN says if it wins a few low mix high volume deals they can dramatically drive down costs and win share. Further, they say that for many applications non-OLED options aren't good enough.
OLED is an extremely hard tech to master, very low yields, which makes EMAN's two decades of expertise all the more valuable. Makes competitive entry in the micro format - which pixels are packed super densely - all the more difficult.
The combo of massive potential market growth, micro OLED leadership, difficulty of entry, and insufficient performance from competitive display techs makes EMAN an obvious lotto ticket.