Patent ID: 8605226

Claim:
A projector comprising: a display module converting an image signal into a projecting image; a thermoelectric module mounted to a rear surface of the display module; a control part controlling the display module and the thermoelectric module; and a heat sink member mounted on the thermoelectric module, the heat sink member comprising a plurality of heat radiation pins or heat radiation plates, wherein the thermoelectric module is divided into a plurality of thermoelectric cells and the plurality of the thermoelectric cells are connected to the control part, wherein the thermoelectric cells are divided into at least one center portion thermoelectric cell and at least one outer portion thermoelectric cell, and wherein the control part applies a voltage, that is relatively larger than a voltage applied to the at least one outer portion thermoelectric cell, to the at least one center portion thermoelectric cell or the control part starts to apply a voltage to the at least one center portion thermoelectric cell prior to the at least one outer portion thermoelectric cell.