|
1. A display device comprising: display pixels each including a light emitting part including a light emitting element and a pixel driver applying a driving current to the light emitting element; and light sensing pixels each including a light sensing part including an optical element and a sensing driver, the sensing driver applying a sensing current to a sensing line according to a photocurrent of the optical element, wherein the sensing driver comprises: a first sensing transistor controlling the sensing current flowing through the sensing line according to a voltage of a first electrode of the optical element; and a second sensing transistor initializing the first electrode of the optical element to a first level voltage, wherein a channel layer of the first sensing transistor and a channel layer of the second sensing transistor are made of different materials, the channel layer of the first sensing transistor is overlapped by a gate electrode of the first sensing transistor in plan view that controls an amount of the sensing current, and the channel layer of the second sensing transistor is overlapped by a gate electrode of the second sensing transistor in plan view.
|
