US Patent 10978447 Display device

A display device includes a substrate that includes a display area and a peripheral area outside the display area, a display element on the display area, a peripheral circuit on the peripheral area, the peripheral circuit including a thin film transistor, a first shielding layer on the peripheral circuit. and a second shielding layer on the first shielding layer. At least one of the first shielding layer and the second shielding layer includes a hole. One shielding layer of the first shielding layer and the second shielding layer includes the hole and overlaps the other one of the first shielding layer and the second shielding layer.