An air cleaner , comprising: a first air cleaning module having a first fan that generates air flow from a first suction inlet toward a first discharge outlet ; a second air cleaning module having a second fan that generates air flow from a second suction inlet toward a second discharge outlet ; a dividing plate provided between the first air cleaning module and the second air cleaning module ; and a display provided at inside of the dividing plate and in which a light source is provided, characterized in that : the display includes : a display portion which is provided on at least a portion of an outer circumferential surface of the dividing plate and which displays information related to an operation of the air cleaner ; and a diffuser that extends from the light source toward the display outward in a radial direction and transfers light which is emitted from the light source to the display portion , and wherein the dividing plate includes a first plate , and a second plate coupled to an upper side of the first plate , and the diffuser is provided between the first plate and the second plate , the diffuser includes an end portion forming the display portion , and a cross-sectional area of the diffuser gradually increases outward in the radial direction. a first air cleaning module having a first fan that generates air flow from a first suction inlet toward a first discharge outlet ; a second air cleaning module having a second fan that generates air flow from a second suction inlet toward a second discharge outlet ; a dividing plate provided between the first air cleaning module and the second air cleaning module ; and a display provided at inside of the dividing plate and in which a light source is provided, characterized in that : the display includes : a display portion which is provided on at least a portion of an outer circumferential surface of the dividing plate and which displays information related to an operation of the air cleaner ; and a diffuser that extends from the light source toward the display outward in a radial direction and transfers light which is emitted from the light source to the display portion , and wherein the dividing plate includes a first plate , and a second plate coupled to an upper side of the first plate , and the diffuser is provided between the first plate and the second plate , the diffuser includes an end portion forming the display portion , and a cross-sectional area of the diffuser gradually increases outward in the radial direction. a display portion which is provided on at least a portion of an outer circumferential surface of the dividing plate and which displays information related to an operation of the air cleaner ; and a diffuser that extends from the light source toward the display outward in a radial direction and transfers light which is emitted from the light source to the display portion , and wherein the dividing plate includes a first plate , and a second plate coupled to an upper side of the first plate , and the diffuser is provided between the first plate and the second plate , the diffuser includes an end portion forming the display portion , and a cross-sectional area of the diffuser gradually increases outward in the radial direction. <EOS>