A display device comprising: a first substrate in which a display area and a peripheral area around the display area are defined; an element layer which is located on the first substrate and comprises a first light emitting element located in the display area and a second light emitting element at least partially located in the peripheral area; and a touch sensor which is located on the element layer, wherein the touch sensor comprises: a touch electrode portion which is located in the display area and overlaps the first light emitting element; a touch signal line which is located in the peripheral area and is connected to the touch electrode portion; and a light transmission control pattern portion which is located in the peripheral area, configured to cover the second light emitting element to reduce an amount of light emitted from edges of the display area, and which extends along a boundary between the display area and the peripheral area, wherein the light transmission control pattern portion comprises an opaque conductive material, and wherein a portion of the light transmission control pattern portion is disposed between the touch signal line and the touch electrode portion in a plan view. a first substrate in which a display area and a peripheral area around the display area are defined; an element layer which is located on the first substrate and comprises a first light emitting element located in the display area and a second light emitting element at least partially located in the peripheral area; and a touch sensor which is located on the element layer, wherein the touch sensor comprises: a touch electrode portion which is located in the display area and overlaps the first light emitting element; a touch signal line which is located in the peripheral area and is connected to the touch electrode portion; and a light transmission control pattern portion which is located in the peripheral area, configured to cover the second light emitting element to reduce an amount of light emitted from edges of the display area, and which extends along a boundary between the display area and the peripheral area, wherein the light transmission control pattern portion comprises an opaque conductive material, and wherein a portion of the light transmission control pattern portion is disposed between the touch signal line and the touch electrode portion in a plan view. a touch electrode portion which is located in the display area and overlaps the first light emitting element; a touch signal line which is located in the peripheral area and is connected to the touch electrode portion; and a light transmission control pattern portion which is located in the peripheral area, configured to cover the second light emitting element to reduce an amount of light emitted from edges of the display area, and which extends along a boundary between the display area and the peripheral area, wherein the light transmission control pattern portion comprises an opaque conductive material, and wherein a portion of the light transmission control pattern portion is disposed between the touch signal line and the touch electrode portion in a plan view. wherein the light transmission control pattern portion comprises an opaque conductive material, and wherein a portion of the light transmission control pattern portion is disposed between the touch signal line and the touch electrode portion in a plan view.