OLED 0.91 inch is a monochrome graphic display module with a built-in 0.91 inch, 128X32 high-resolution display. OLED 0.91inch is able to work despite the absence of backlight. In a dark environment, contrast of OLED display is higher than LCD display.
OLED (Organic Light-Emitting Diode) is a self-light-emitting technology composed of a thin, multi-layered organic film placed between an anode and cathode. In contrast to LCD technology, OLED does not require a backlight. OLED possesses high application potential for virtually all types of displays and is regarded as the ultimate technology for the next generation of flat-panel displays.