Pixel and display device including the same
A pixel of display device includes a light emitting element, a first transistor coupled between first power source and a second node and having a gate electrode connected to a first node N 1 , and the first transistor being configured to control a driving current supplied to the light emitting element in response to a voltage of the first node, a first capacitor including one electrode connected to the first node and another electrode connected to a third node, a second transistor coupled between the third node and a data line, a third transistor coupled between the first node and the second node, a fourth transistor coupled between the first node and an initialization power source, a fifth transistor coupled between a reference power source and the third node, and an eighth transistor coupled between a fourth node and an anode initialization power source.
1. A pixel of a display device, the pixel comprising:
a light emitting element electrically connected to a first transistor;
the first transistor coupled between a first voltage and a second node and having a gate electrode connected to a first node;
a first capacitor including one electrode connected to the first node and another electrode connected to a third node;
a second transistor coupled between the third node and a data line;
a third transistor coupled between the first node and the second node;
a fifth transistor coupled between a second voltage and the third node; and
an eighth transistor coupled between a fourth node and a third voltage.
2. The pixel according to claim 1 , further comprising:
a fourth transistor coupled between the first node and a fourth voltage.
3. The pixel according to claim 2 , further comprising:
a sixth transistor coupled between the first voltage and a fifth node connected to one electrode of the first transistor; and
a seventh transistor coupled between the second node and the fourth node.
4. The pixel according to claim 3 , further comprising:
a ninth transistor coupled between the fifth node and a fifth voltage.
5. The pixel according to claim 1 , further comprising:
a second capacitor including one electrode connected to the first voltage and another electrode connected to the third node.
6. The pixel according to claim 1 , wherein the second transistor has a gate electrode connected to a first signal.
7. The pixel according to claim 1 , wherein the third transistor has a gate electrode connected to a second signal.
8. The pixel according to claim 2 , wherein the fourth transistor has a gate electrode connected to a third signal.
9. The pixel according to claim 1 , wherein the fifth transistor has a gate electrode connected to the second signal.
10. The pixel according to claim 3 , wherein the sixth transistor has a gate electrode connected to a fourth signal.
11. The pixel according to claim 3 , wherein the seventh transistor has a gate electrode connected to a fifth signal.
12. The pixel according to claim 1 , wherein the eighth transistor has a gate electrode connected to a sixth signal.
13. The pixel according to claim 4 , wherein the ninth transistor has a gate electrode connected to the sixth signal.
14. The pixel according to claim 1 , wherein the first transistor is configured to control a driving current supplied to the light emitting element in response to a voltage of the first node.
15. The pixel according to claim 4 , wherein at least one of the first to ninth transistors includes an oxide semiconductor.
16. The pixel according to claim 1 further comprising at least one power supply to supply one or more of the first voltage, the second voltage, and the third voltage.