US Patent 10436504 Refrigerator

A refrigerator includes a cabinet, a door defining an opening in the door, and a transparent display assembly that covers the opening and allows an inner space of the refrigerator to be visible. The transparent display assembly includes a front panel, a rear panel, an outer spacer configured to maintain a first distance between the front panel and the rear panel, a display disposed on a rear surface of the front panel, a light guide plate spaced apart from the display, and a first spacer configured to support the light guide plate and to maintain a second distance between the display and the light guide plate. The outer spacer defines a first injection hole configured to allow introduction of an inert gas to the outer spacer, and a first insulation layer configured to receive the inert gas between the front panel and the light guide plate.