A display device including a display panel including a plurality of light emitting areas; and a first optical electronic device located under the display panel. Further, a first optical display area of the display panel overlapping the first optical electronic device comprises a plurality of first light transmission areas in addition to the light emitting areas, a non-overlapping display area of the display panel not overlapping the first optical electronic device includes the light emitting areas without including the first light transmission areas, and a plurality of first horizontal lines for controlling the light emitting areas horizontally extend across the non-overlapping display area and the first optical display area. In addition, the light emitting areas included in the non-overlapping display area and the first optical area are arranged in a same row, a same first horizontal line controls the light emitting areas arranged in the same row in the non-overlapping display area and the first optical display area, the same first horizontal line comprise a first portion extending horizontally across the non-overlapping display area, a second portion extending horizontally across the first optical display area, and a connection portion located in the first optical display area and connecting the first portion and the second portion, and the connection portion is angled with respect to the first and second portions such that the second portion is shifted upwards or downwards from the first portion.