Huawei's ultra-premium Mate RS Porsche Design is quite similar the company's P20 Pro, but the display is an 6" 1440 x 2880 (537 PPI) LG Display P-OLED with an edge-type design and an under-the-screen fingerperint sensor (produced by Goodix).

Huawei Mate RS Porsche Design photo

The Mate RS Porsche Design will ship in April 2018 in China for $2000 to $2,500 (512 GB memory model).

OLED type: 

6" 1440 x 2880 P-OLED

Atomic Force Microscopy for next-gen OLED processesAtomic Force Microscopy for next-gen OLED processes