| 摘要 |
PURPOSE: A refrigerator is provided to enable user to intuitively recognize the operation of an input button by varying the amount of light which is emitted from a light source by time while the input button is pressed. CONSTITUTION: A refrigerator comprises: an input unit(220) which includes an input button for inputting a predetermined mode; an optical source unit(330) which is arranged around the input button and emits light if the input button is pressed; and a controller(310) which varies the amount of the light which is emitted from the optical source unit according to the time to press the input button which is a locking/unlocking button. |
