Display apparatus including sensor
A display apparatus including a sensor includes: a pixel group including a predetermined number of pixels, each of which includes a pixel circuit and a light-emitting device electrically connected to the pixel circuit; and a sensing pixel including a sensing circuit and a sensing electrode connected to the sensing circuit, where the sensing electrode forms a variable capacitor with respect to a finger, and the sensing circuit is arranged around the pixel circuit of the pixel group.
1. A display apparatus comprising:
a first pixel circuit in a display area and connected to a first data line;
a second pixel circuit adjacent to the first pixel circuit in the display area and connected to a second data line;
a sensing circuit in the display area and arranged around the first pixel circuit and the second pixel circuit; and
a readout line connected to the sensing circuit and disposed between the first pixel circuit and the second pixel circuit.
2. The display apparatus of claim 1 , wherein the readout line is in a same layer as the first data line and the second data line.
3. The display apparatus of claim 1 , wherein the first pixel circuit and the second pixel circuit are symmetrically with respect to the readout line.
4. The display apparatus of claim 1 , wherein the readout line extended in a first direction is between the first data line extended in the first direction and the second data line extended in the first direction in a plan view.
5. The display apparatus of claim 1 , further comprising a light-emitting device connected to the first pixel circuit,
wherein the light-emitting device comprises:
a first electrode connected to the first pixel circuit;
a second electrode opposite to the first electrode; and
an emission layer between the first electrode and the second electrode.
6. The display apparatus of claim 5 , further comprising a sensing electrode connected to the sensing circuit.
7. The display apparatus of claim 6 , wherein the sensing electrode and the first electrode of the light-emitting device are disposed in a same layer.
8. The display apparatus of claim 7 , wherein an opening is defined through the second electrode of the light-emitting device, and the opening overlaps the sensing electrode.
9. The display apparatus of claim 6 , wherein the sensing electrode is disposed on the second electrode of the light-emitting device and overlaps the light-emitting device.
10. The display apparatus of claim 9 , wherein an opening is defined through the second electrode of the light-emitting device, and
wherein the sensing electrode is connected to the sensing circuit via the opening.
11. The display apparatus of claim 6 , further comprising:
an electrode layer connecting the first pixel circuit and the sensing electrode.
12. The display apparatus of claim 11 , wherein the electrode layer is in a same layer as the first data line and the second data line.
13. The display apparatus of claim 1 , further comprising:
a shield line between the first pixel circuit and the second pixel circuit.
14. The display apparatus of claim 13 , wherein the shield line is a floating line.
15. The display apparatus of claim 13 , wherein a predetermined voltage is applied to the shield line.
16. The display apparatus of claim 13 , wherein the shield line is parallel to the first data line and the second data line.
17. The display apparatus of claim 13 , wherein the shield line is parallel to a scan line connected to the first pixel circuit.
18. The display apparatus of claim 6 , further comprising:
an encapsulation layer on the light-emitting device.
19. The display apparatus of claim 18 , wherein the sensing electrode is between the first pixel circuit and the encapsulation layer.
20. The display apparatus of claim 18 , wherein the sensing electrode is between the light-emitting device and the encapsulation layer.