A refrigerator includes a cabinet, a door, an outer plate defining a plate opening, a door liner defining a liner opening, a frame disposed along a circumference of the plate opening, a transparent display assembly seated on the frame and configured to cover at least a portion of the plate opening and the liner opening, a decoration cap defining a top surface of the door, an insulation material filled in at least a portion of the door along a circumference of the transparent display assembly, a PCB configured to control operation of the transparent display assembly, and a barrier that contacts the outer plate and that defines a first space configured to receive the insulation material and a second space configured to accommodate the PCB.