Electrochromic rear-view mirror including an OLED display

Provided is a display room mirror, including a room mirror (100) disposed in an inner part of a vehicle to detect a rear situation of the vehicle; and an organic light emitting diode (OLED) panel (200) formed in a part or an entire part of a front surface of the room mirror (100), thereby improving a contrast and a reaction velocity and reducing a thickness and a weight of the room mirror (100).