Display device
A display device includes: a display panel including a first display area including first sub-pixels to display an image, and a second display area including second sub-pixels and a transmission area adjacent to the second sub-pixels; and an optical device overlapping the second display area of the display panel and configured to detect light incident through the transmission area. Each of the second sub-pixels includes: a first contact electrode; a second contact electrode located apart from the first contact electrode; and a light emitting element between the first contact electrode and the second contact electrode.
1. A display device, comprising:
a display panel comprising a first display area comprising first sub-pixels to display an image, and a second display area comprising second sub-pixels and a transmission area adjacent to the second sub-pixels; and
an optical device overlapping the second display area of the display panel and configured to detect light incident through the transmission area,
wherein each of the second sub-pixels comprises:
a first contact electrode;
a second contact electrode located apart from the first contact electrode;
a light emitting element between the first contact electrode and the second contact electrode;
a first alignment electrode connected to the first contact electrode; and
a second alignment electrode connected to the second contact electrode, located apart from the first alignment electrode, and configured to receive a first driving voltage, and
wherein the second alignment electrode is disposed on at least one side of the transmission area, and
wherein each of the second sub-pixels further comprises an insulating film below the light emitting element,
wherein the first alignment electrode is at a layer below the insulating film,
wherein the second alignment electrode is at the layer below the insulating film, and
wherein the insulating film is not disposed on the light emitting element.
2. The display device of claim 1 , wherein a first end of the light emitting element is connected to the first contact electrode, and a second end of the light emitting element is connected to the second contact electrode.
3. The display device of claim 1 , wherein the display panel further comprises:
an encapsulation layer on the first contact electrode and the second contact electrode; and
a sensor electrode on the encapsulation layer.
4. The display device of claim 1 , wherein a length of a first sub-pixel of the first sub-pixels in a direction is longer than a length of a second sub-pixel of the second sub-pixels in the direction.
5. The display device of claim 1 , wherein each of the first alignment electrode and the second alignment electrode is separated from the light emitting element.
6. A display device comprising:
a display panel comprising a first display area comprising first sub-pixels to display an image, and a second display area comprising second sub-pixels and a transmission area adjacent to the second sub-pixels; and
an optical device overlapping the second display area of the display panel and configured to detect light incident through the transmission area,
wherein each of the second sub-pixels comprises:
a first contact electrode;
a second contact electrode located apart from the first contact electrode;
a light emitting element between the first contact electrode and the second contact electrode;
a first alignment electrode connected to the first contact electrode; and
a second alignment electrode connected to the second contact electrode, located apart from the first alignment electrode, and configured to receive a first driving voltage,
wherein the second alignment electrode is disposed on at least one side of the transmission area,
wherein each of the second sub-pixels comprises:
a thin film transistor comprising a gate electrode, a source electrode, and a drain electrode;
a first inner bank disposed below the first alignment electrode;
a second inner bank disposed below the second alignment electrode; and
an outer bank disposed between the first inner bank and the transmission area, and
wherein a height of the outer bank is greater than a height of the first inner bank.