An electronic device, according to various embodiments, may include: a case member that includes conductive elements that form a side wall around one face of the case member, and an insulative element at least partially provided between the conductive elements; and a light source disposed inside the case member. The insulative element may emit and/or transmitted light, which is emitted from the light source, to the outside of the case member. The electronic device as described above may be variously implemented according to embodiments.