a display device includes a transparent plate having a first area and a second area , a first conductive line on the second area of the transparent plate , a substrate having a third area and a fourth area on the first area of the transparent plate , a display element on the third area of the substrate , and a second conductive line on the fourth area of the substrate . the second conductive line is electrically coupled between the display element and the first conductive line , and the first and second conductive lines are on different planes .