Our OLED 0.96" 128x64 dual colour display works great without backlight.
Works great with the Adafruit SDD1306 libraries.
I2C Address can be seen on the back of the display. Can be changed by re-soldering the resistor.
Power Consumption: Approx 0.8W with a fully lit display
Pin: GND, VCC, SCL, SDA - use as labelled
Display Colour: Yellow and Blue (see images)