1This is a 1.5 inch OLED display module of 128x128 resolution in which the emissive electroluminescent layer is a film of organic compound that emits light in response to an electric current 2Working without backlight, the OLED display module could give out light by itself 3In low ambient light conditions such as a dark room, an OLED screen can achieve a higher contrast ratio than an LCD 4OLED display module also has a much faster response time than an LCD 5The display with small dimension is suitable for MP3, function cellphone, smart health device, etc