An electronic device is provided. The electronic device includes a housing including a first plate facing a front of the electronic device, a second plate facing away from the first plate, and a side bezel structure surrounding a space between the first plate and the second plate, and a printed circuit board disposed at least at a portion of the space and including at least one processor, an antenna module, and at least one light source controlled by the at least one processor, wherein the side bezel structure may include at least two segmented antenna apparatuses and at least one photo-conductive material disposed between the segmented antenna apparatuses, and wherein the printed circuit board may include the at least one light source separated by a preset distance from the at least one photo-conductive material in a direction corresponding to the at least one photo-conductive material.