An electro-optic mirror reflective element for a rearview mirror assembly for a vehicle includes a front substrate and a rear substrate with an electro-optic medium disposed therebetween. A display element is disposed at the front substrate and includes a transparent organic light emitting diode display. With the electro-optic mirror reflective element disposed at a rearview mirror assembly at the vehicle and when the display element is activated, information displayed by the display element is viewable by a driver of the vehicle. With the electro-optic mirror reflective element disposed at the rearview mirror assembly at the vehicle and when the display element is not activated, the driver views reflected images of the scene rearward of the vehicle as reflected off a specularly reflective mirror reflector disposed at a surface of the rear substrate.