Patent ID: 7878018

Claim:
A refrigerator having at least one storage compartment formed therein, the refrigerator comprising: a light emitting unit having a plurality of lights that each emit a different color of light; a cooling system that cools the at least one storage compartment; and a control unit that controls the cooling system to perform a cold shock operation in a keeping mode of the refrigerator to cool the at least one storage compartment to a cold shock temperature for a predetermined period of time, wherein the cold shock temperature is less than a keeping temperature of the keeping mode, and wherein the control unit controls the emitting unit to emit a first color of light in at least one section of the keeping mode, to emit a second color of light in at least one section of the cold shock operation, and controls the emitting unit to change from the second color of light back to the first color of light when the predetermined period of time has elapsed and the cold shock operation is terminated and the keeping mode is resumed, and wherein the control unit controls the cooling system to start the keeping mode and lower an inside temperature of the at least one storage compartment to the keeping temperature of the keeping mode upon termination of a fermentation mode so as to store fermented matter at the keeping temperature, and wherein the keeping mode includes a first keeping mode and a second keeping mode, the second keeping mode being continuous with the first keeping mode, and wherein the control unit controls the cooling system so that a termination of the first keeping mode and a start of the second keeping mode without interposing the fermentation mode between the first keeping mode and the second keeping mode, wherein a second keeping temperature of the second keeping mode is lower than a first keeping temperature of the first keeping mode.