Refrigerator

A refrigerator comprising:

• a cabinet defining a storage space;
• a control unit disposed on an upper portion of the cabinet;
• a door rotatably coupled to the cabinet by a hinge and configured to open and close at least a portion of the storage space, the door defining an opening and at least a portion of the opening facing toward the storage space;
• and
• a transparent display assembly covering the opening and being configured to provide at least one of a see-through view of the storage space or an output of an image,
• wherein the transparent display assembly comprises:
• a plurality of electric modules,
• a printed circuit board (PCB) disposed inside the door and electrically connected to a first portion of the plurality of electric modules, and
• a docking PCB disposed adjacent to the PCB, the docking PCB being connected to a second portion of the plurality of electric modules and to the PCB,
• wherein the docking PCB comprises:
• first connectors connected to the PCB through cables, and
• second connectors connected to the control unit through a connection cable that is guided to an outside of the door,
• wherein a number of the second connectors is less than a number of the first connectors,
• wherein the plurality of electric modules and the PCB are connected to the control unit through the docking PCB and the connection cable, and
• wherein the control unit is configured to transmit a control signal to the PCB through the docking PCB to control the plurality of electric modules.