A display apparatus comprising: a display panel; a main frame disposed at a rear of the display panel; a sensing module support member comprising: a front part that defines a portion of a front surface of the display apparatus and extends along an edge of the display panel, wherein the front part has a transmission part disposition hole formed therein in a forward-rearward direction; and a rear protrusion protruding in a rearward direction from the front part and coupled to the main frame, wherein the rear protrusion has a module cabinet disposition recess formed therein which is positioned at a rear of the transmission part disposition hole; and a sensing module comprising: a module cabinet coupled to the rear protrusion and disposed in the module cabinet disposition recess, wherein the module cabinet includes a pair of side parts which are spaced apart from each other to define left and right sides thereof; a transmission part coupled to a front end of the module cabinet, disposed in the transmission part disposition hole and configured to transfer light incident to a front of the sensing module, and a substrate inserted between the pair of side parts and on which a light receiving part (150, 160) configured to sense the light transferred from the transmission part is disposed, wherein one of the rear protrusion or at least one of the pair of the side parts is provided with an insertion groove, the other of the rear protrusion or the at least one of the pair of the side parts is provided with an insertion part engaged with the insertion groove. a display panel; a main frame disposed at a rear of the display panel; a sensing module support member comprising: a front part that defines a portion of a front surface of the display apparatus and extends along an edge of the display panel, wherein the front part has a transmission part disposition hole formed therein in a forward-rearward direction; and a rear protrusion protruding in a rearward direction from the front part and coupled to the main frame, wherein the rear protrusion has a module cabinet disposition recess formed therein which is positioned at a rear of the transmission part disposition hole; and a front part that defines a portion of a front surface of the display apparatus and extends along an edge of the display panel, wherein the front part has a transmission part disposition hole formed therein in a forward-rearward direction; and a rear protrusion protruding in a rearward direction from the front part and coupled to the main frame, wherein the rear protrusion has a module cabinet disposition recess formed therein which is positioned at a rear of the transmission part disposition hole; and a sensing module comprising: a module cabinet coupled to the rear protrusion and disposed in the module cabinet disposition recess, wherein the module cabinet includes a pair of side parts which are spaced apart from each other to define left and right sides thereof; a transmission part coupled to a front end of the module cabinet, disposed in the transmission part disposition hole and configured to transfer light incident to a front of the sensing module, and a substrate inserted between the pair of side parts and on which a light receiving part (150, 160) configured to sense the light transferred from the transmission part is disposed, a module cabinet coupled to the rear protrusion and disposed in the module cabinet disposition recess, wherein the module cabinet includes a pair of side parts which are spaced apart from each other to define left and right sides thereof; a transmission part coupled to a front end of the module cabinet, disposed in the transmission part disposition hole and configured to transfer light incident to a front of the sensing module, and a substrate inserted between the pair of side parts and on which a light receiving part (150, 160) configured to sense the light transferred from the transmission part is disposed, wherein one of the rear protrusion or at least one of the pair of the side parts is provided with an insertion groove, the other of the rear protrusion or the at least one of the pair of the side parts is provided with an insertion part engaged with the insertion groove.