US Patent 9939973 Display device including a touch sensor

A display device includes: a display panel having: a lower substrate; an upper substrate facing the lower substrate and having at least one through hole formed therein; a display active layer disposed between the lower substrate and the upper substrate; at least one lower pad disposed on the lower substrate; a touch sensing layer disposed on the upper substrate; and at least one connection pad disposed on the upper substrate. The connection pads are electrically connected to the lower pads through connectors disposed in the though holes of the upper substrate.