Patent ID: 8740420

Claim:
An air conditioner comprising: an air conditioning case having an air passage; a heat exchanger arranged to cross the air passage in the air conditioning case, the heat exchanger cooling air for conditioning in the air conditioning case; a photocatalyst arranged on a surface of the heat exchanger, the photocatalyst decomposing odor components contained in the air for conditioning; and an emitting portion which emits light for activating the photocatalyst, wherein the air conditioning case has a bent portion upstream or downstream of the heat exchanger, so as to change a flowing direction of the air for conditioning, the emitting portion is disposed on a wall part of the bent portion, the wall part is located to oppose to the heat exchanger, the emitting portion has a light introducing board, and a light source arranged on a lateral side of the light introducing board, and the light introducing board has a light emitting surface which emits light emitted from the light source.