The price of manufacturing a 5.5-inch FHD AMOLED display is now a mere 10 cents more than a 5.5-inch LCD panel. Market researchers are expecting the market for AMOLED to grow by 63% this year, and that by 2020, 50% of smartphones will have an AMOLED screen.
https://www.notebookcheck.net/AMOLED-displays-fast-approaching-price-parity-with-LCD-panels.232864.0.html
AMOLED displays have been the main competitor of more common LCD panels for years,