Asus finally started shipping its ProArt PQ22UC monitor in the US, for $3,950 (at Amazon.com). The ProArt PQ22UC is based on a 21.6" 3840x2160 (204 PPI, produced by JOLED) printed OLED monitor.
The monitor weighs only 1 Kg and is marketed as a "portable" ultra-slim monitor. Features include HDR support, 0.1 ms response time, 10-bit color (99% DCI-P3), USB-C input and micro HDMI.