IGZO showing off a 27inch 8K 10bit 120hz display with 'HDR'. Although they mention 120hz it doesn't sound like they were actually displaying 120hz content. I'm not even sure were you would get that content and what would run it.
It sounds like fun developing that panel with no dead pixels.
8K120 with HDR is no easy task, suggesting 7680x4320 at 10 bits per color channel (so 30-bit for RGB) at 120 times a second would suggest needing 120 gigabits per second of bandwidth at a minimum (or 15 GB/sec
Wait a minute, that's more then DP 1.4 can offer...
a photograph of the rear shows eight separate DisplayPort cables being used in order to give the display the data it needs.
As a bonus they were also showing off 2.87-inch display @ 1920x2160 offering 1008 PPI per eye for ‘4K to both eyes’ VR experience.