Patent ID: 8511844
Filing Date: 2013-08-20
Classification: F25D

Abstract:
1. A refrigerator comprising: a light emitting unit that lights a storage room; a power supply unit that supplies power for operating the light emitting unit; a door opening sensor including a switch that senses an opening of a door, a first transistor having a base receiving an on/off signals of the switch and a second transistor having a base receiving the on/off signals of the switch; a driving unit that drives the light emitting unit according to current output from the door opening sensor; a first controller connected to the second transistor; a second controller configured to control the driving unit; and a first regulator electrically connected to the first transistor and the second controller to receive power from the power supply unit, wherein the light emitting unit comprises a plurality of light emitting modules, each light emitting module having a plurality of light emitting diodes, and wherein the plurality of light emitting modules are connected to the driving unit in parallel, and each light emitting module and a resistance are connected to the driving unit in series.