OLED ---- Oganic Light Emitting Diode, Chinese is: organic light emitting diode;

Incidentally, the display industry under the other several common English terms:

PM OLED - Passive Matrix OLED, Chinese: passive drive OLED;

AM OLED - Active Matrix OLED, Chinese: active-driven OLED; now Samsung's high-end mobile phones with their basic production AMOLED;

TFT ---- Thin Film Transist, 英文: Thin film transistor;

LCD ---- Liquid Crystal Display, Chinese: LCD Monitor;

LCM ---- LCD Module, Chinese: LCD Module;