This REX012864DYPP3N00F00 is an OLED graphical display module from Raystar Optonics Corporation. It has a resolution of 128x64 pixels, a dimension of 26.7x19.26x1.26mm, and has a yellow colour. It is used in a variety of applications, including medical and industrial instruments, vehicle display, and digital signage. The display also includes an SPI interface, which supports faster data transfer rates and lower power consumption.