An Air Purifier

The present invention relates to providing a structure for installing the light source and the photocatalyst filter in a flat shape of the air purifier, harmful gas removal and deodorization of the air purifier is to be also in the form of a flat air cleaner via a photocatalytic reaction. The present invention provides an air purifier, a light source 62 for activating the photocatalytic filter 70 and the photocatalyst filter is installed, the front dust collecting filter 40 at the (front face) is accommodated, the body is a fan 20 is installed on the rear housing 10; Cover 30 which defines the hollow is provided in the front with the main housing portion of the main housing (10); And the inlet port 32 for communicating the air cleaner out of the space and the hollow portion; the photocatalytic filter 70, and including the doedoe provided in the hollow portion, provided in the intake port inside a shape corresponding with the intake ports 32 or adjacent to the dust collection filter 40, and is provided at a position corresponding to the suction side 22 of the fan.