REX128128BWPP3N00000 is a sector-oriented OLED display module made by the company Raystar Optronics. It has an active area of 128x128 pixels, with a 0.5 mm resolution and a module size of 25.5 x 21.5 mm. The module is composed of an a-Si TFT active matrix OLED display, background backlight with wide viewing angle, and a TTL control interface. The backlight brightness is adjustable from 1 to 7.5 cd/m2 and can be operated from a 3V power supply. The display is capable of displaying 1 bit gray level and has a wide temperature range of -40 to 80 °C. This display module is suitable for a variety of applications such as automotive and industrial instruments, indoor displays, and POS terminals.