COG Liquid Crystal Display Module Newhaven Display's COG liquid crystal display module features a 128x32 pixel display with a transflective side red/green/blue backlight. The maximum drive current for the backlight is 30mA at 3V for blue and green, and 10mA at 2.1V for red/. The operating temperature is from -20°C to 80°C. MCU interface is available through a 4 line SPI interface to the ST7565R controller/driver.