Patent ID: 8638224

Claim:
A refrigerator, comprising: a main body having a storage chamber formed therein; a door that opens and closes the storage chamber; a basket installed on the door and configured to receive a storage item therein; a pressure sensor that detects a pressure applied by the storage item received in the basket; a controller that outputs a control signal based on the pressure detected by the pressure sensor; and an LED display installed in one of the door or the main body, wherein the display displays a residual amount of the storage item based on the control signal output by the controller, wherein the display displays the residual amount of the storage item as a height and an area together in the form of a bar graph, wherein the area is indicative of the area of the storage item determined based on the detected pressure, and wherein the height is indicative of the height of the storage item, determined by determining the item volume based on the detected pressure corresponding to the mass of the item, and a preset density of the item, and dividing the volume by the area.