Viv's new phone, the X21, has a 6.28" 1080x2280 notch-type Super AMOLED display and is based on Qualcomm's Snapdragon 660 chipset. The X21 has a 12 MP selfie camera and a 12MP dual-lens on the back, a dedicated AI core, 6GB of RAM and 64/128 GB of storage.

The X21 is now selling for around $450 (64GB). Vivo also announced a version with an under-the-OLED fingerprint sensor (the Vivo X21 UD), which will ship by the end of March 2018 for around $570 (128GB model).

Green Guardee specialize in R&D, MP of OLED materials,  Our advantage products including the similar related compounds.

2-(4-Bromophenyl)-4,6-Diphenyl-1,3,5-Triazine 23449-08-3 | OLED Material

2-(3-Bromophenyl)-4,6-Diphenyl-1,3,5-Triazine 864377-31-1 | OLED Material

2-(3-Bromo-5-Chlorophenyl)-4,6-Diphenyl-1,3,5-Triazine 1073062-42-6 | OLED Material

2,2'-Dibromobiphenyl 13029-09-9 | OLED Material

3,3'-Dibromo-1,1'-Biphenyl 16400-51-4 | OLED Material

3-Bromo-3'-Chloro-Biphenyl 844856-42-4 | OLED Material

3,3''-Dibromo-1,1':3',1''-Terphenyl 95962-62-2 | OLED Material