A refrigerator comprising: a cabinet defining a storage space; a door opening and closing the cabinet; and a transparent display assembly which covers an opening of the door and through which an inner space of the refrigerator is seen, wherein the transparent display assembly comprises: a front panel defining at least a portion of a front surface of the door; a touch sensor disposed on a rear surface of the front panel to recognize touch manipulation on the front panel; a rear panel defining at least a portion of a rear surface of the door; an insulation coating layer including a metal oxide provided on a surface of the rear panel; an outer spacer disposed between the front panel and the rear panel to provide a sealed space between the front panel and the rear panel; a display disposed in the sealed space; a light guide plate spaced apart from the display to brighten up the display; and a first spacer supporting the light guide plate and maintaining a distance between the display and the light guide plate, characterized by an insulation panel disposed between the light guide plate and the rear panel; and a fourth spacer disposed on a rear surface of the insulation panel and maintaining a distance between the insulation panel and the rear panel; wherein the display, the light guide plate, the first spacer, the insulation panel and the fourth spacer are disposed in an inner region of the outer spacer between the front panel and the rear panel, and wherein the fourth spacer is adhered to the insulation panel and the rear panel by adhesion members configured to provide an insulation space that is in a sealed state. a cabinet defining a storage space; a door opening and closing the cabinet; and a transparent display assembly which covers an opening of the door and through which an inner space of the refrigerator is seen, wherein the transparent display assembly comprises: a front panel defining at least a portion of a front surface of the door; a touch sensor disposed on a rear surface of the front panel to recognize touch manipulation on the front panel; a rear panel defining at least a portion of a rear surface of the door; an insulation coating layer including a metal oxide provided on a surface of the rear panel; an outer spacer disposed between the front panel and the rear panel to provide a sealed space between the front panel and the rear panel; a display disposed in the sealed space; a light guide plate spaced apart from the display to brighten up the display; and a first spacer supporting the light guide plate and maintaining a distance between the display and the light guide plate, characterized by an insulation panel disposed between the light guide plate and the rear panel; and a fourth spacer disposed on a rear surface of the insulation panel and maintaining a distance between the insulation panel and the rear panel; wherein the display, the light guide plate, the first spacer, the insulation panel and the fourth spacer are disposed in an inner region of the outer spacer between the front panel and the rear panel, and wherein the fourth spacer is adhered to the insulation panel and the rear panel by adhesion members configured to provide an insulation space that is in a sealed state. a front panel defining at least a portion of a front surface of the door; a touch sensor disposed on a rear surface of the front panel to recognize touch manipulation on the front panel; a rear panel defining at least a portion of a rear surface of the door; an insulation coating layer including a metal oxide provided on a surface of the rear panel; an outer spacer disposed between the front panel and the rear panel to provide a sealed space between the front panel and the rear panel; a display disposed in the sealed space; a light guide plate spaced apart from the display to brighten up the display; and a first spacer supporting the light guide plate and maintaining a distance between the display and the light guide plate, characterized by an insulation panel disposed between the light guide plate and the rear panel; and a fourth spacer disposed on a rear surface of the insulation panel and maintaining a distance between the insulation panel and the rear panel; wherein the display, the light guide plate, the first spacer, the insulation panel and the fourth spacer are disposed in an inner region of the outer spacer between the front panel and the rear panel, and wherein the fourth spacer is adhered to the insulation panel and the rear panel by adhesion members configured to provide an insulation space that is in a sealed state.