Air cleaner

An air cleaner comprising:

• a housing including a suction portion configured to suction air from an outside of the housing and a discharge portion configured to discharge air from the housing;
• a frame disposed inside the housing;
• a sterilizer disposed inside the frame and configured to sterilize the suctioned air;
• a filter assembly disposed in the frame and configured to filter air inside the housing;
• a blower disposed inside the frame and configured to move air inside the housing;
• a flow converter that is disposed on a top surface of the housing and that is configured to guide a flow of air inside the housing and discharge air inside the housing to an outside of the housing;
• and
• a guide configured to guide a direction of the flow converter,
• wherein the sterilizer includes:
• a sterilizing light source configured to generate sterilizing light,
• a first sterilizing casing configured to accommodate the sterilizing light source, and
• a second sterilizing casing that is coupled to a lower portion of the first sterilizing casing and that supports the first sterilizing casing and the sterilizing light source, and
• wherein a portion of the first sterilizing casing is spaced apart from the second sterilizing casing to define a space therebetween that is configured to dissipate heat generated from the sterilizing light source.