US Patent 10459554 Display device

According to one embodiment, a display device includes a first substrate including a display area containing a plurality of pixels and a non-display area, a drive circuitry on the non-display area of the first substrate and connected to the plurality of pixels, a second substrate opposed to the first substrate, a touch sensor including detection electrodes on the second substrate, and a third substrate including first wiring lines connected to the detection electrodes and a heat radiation layer thermally connected to the drive circuitry.