Display apparatus

1 . A display apparatus comprising:

a display panel including a plurality of pixels, a plurality of dummy pixels, and a repair wiring,

wherein the plurality of dummy pixels comprise:

a dummy driving transistor configured to drive a light-emitting element of a defective pixel among the plurality of pixels;

a dummy compensation capacitor connected between a source electrode of the dummy driving transistor and a direct current (DC) voltage;

a dummy transistor configured to supply a dummy reset voltage, which varies with a data voltage, to a dummy reset node connected to the repair wiring; and

a dummy storage capacitor having one electrode connected to a gate electrode of the dummy driving transistor and another electrode connected to the source electrode of the dummy driving transistor,

wherein the dummy storage capacitor has a smaller capacitance than a storage capacitor provided in the plurality of pixels.

2 . The display apparatus of claim 1 , wherein the dummy reset voltage varies in proportion to the data voltage.

3 . The display apparatus of claim 1 , wherein the dummy compensation capacitor has a larger capacitance than a compensation capacitor provided in the plurality of pixels.

4 . The display apparatus of claim 1 , wherein the dummy driving transistor has a larger channel width than a driving transistor provided in the plurality of pixels.

5 . The display apparatus of claim 4 , wherein the dummy driving transistor has a smaller channel length than the driving transistor provided in the plurality of pixels.

6 . The display apparatus of claim 1 , wherein an anode electrode of the light-emitting element of the defective pixel is disconnected from a pixel driving circuit of the defective pixel and is connected to the repair wiring, and

wherein the dummy reset node of a dummy pixel of the plurality of dummy pixels is connected to the repair wiring.

7 . The display apparatus of claim 1 , wherein the dummy transistor operates in response to a scan signal activated during a period for resetting an anode electrode of the plurality of pixels.

8 . A display apparatus comprising:

a display panel including a plurality of pixels, a plurality of dummy pixels, and a repair wiring,

wherein the plurality of dummy pixels include:

a dummy driving transistor configured to output a driving current corresponding to a data voltage to drive a light-emitting element of a defective pixel among the plurality of pixels;

a dummy storage capacitor having one electrode connected to a gate electrode of the dummy driving transistor and another electrode connected to a source electrode of the dummy driving transistor;

a first dummy transistor having one electrode connected to the data voltage and another electrode connected to the gate electrode of the dummy driving transistor and one electrode of the dummy storage capacitor;

a second dummy transistor having one electrode connected to a reference voltage and another electrode connected to the gate electrode of the dummy driving transistor and one electrode of the dummy storage capacitor;

a third dummy transistor having one electrode connected to a high-potential driving voltage and another electrode connected to a drain electrode of the dummy driving transistor;

a dummy compensation capacitor having one electrode connected to the source electrode of the dummy driving transistor and another electrode connected to a direct current (DC) voltage; and

a fourth dummy transistor having one electrode connected to a dummy reset voltage that varies with the data voltage and another electrode connected to a dummy reset node connected to the source electrode of the dummy driving transistor.

9 . The display apparatus of claim 8 , wherein the plurality of dummy pixels further include a fifth dummy transistor having one electrode connected to the source electrode of the dummy driving transistor and another electrode connected to the dummy reset node.

10 . The display apparatus of claim 9 , wherein the plurality of dummy pixels further include a sixth dummy transistor having one electrode connected to the another electrode of the dummy compensation capacitor and another electrode connected to the DC voltage.

11 . The display apparatus of claim 10 , wherein the DC voltage is the reference voltage or the high-potential driving voltage.

12 . The display apparatus of claim 10 , wherein the third dummy transistor is a P-type thin-film transistor, and

wherein the dummy driving transistor, and the first, second, fourth, fifth, and sixth dummy transistors are N-type thin-film transistors.

13 . The display apparatus of claim 8 , wherein an anode electrode of the light-emitting element of the defective pixel is disconnected from a pixel driving circuit of the defective pixel and is connected to the repair wiring, and

wherein the dummy reset node of a dummy pixel of the plurality of dummy pixels is connected to the repair wiring.

14 . The display apparatus of claim 8 , wherein the fourth dummy transistor operates in response to a scan signal activated during a period for resetting an anode electrode of the light-emitting element.

15 . The display apparatus of claim 8 , wherein the dummy reset voltage varies in proportion to the data voltage.

16 . The display apparatus of claim 8 , wherein the dummy compensation capacitor has a larger capacitance than a compensation capacitor provided in the plurality of pixels.

17 . The display apparatus of claim 8 , wherein the dummy driving transistor has a larger channel width than a driving transistor provided in the plurality of pixels.

18 . The display apparatus of claim 17 , wherein the dummy driving transistor has a smaller channel length than the driving transistor provided in the plurality of pixels.

19 . The display apparatus of claim 8 , wherein the dummy storage capacitor has a smaller capacitance than a storage capacitor provided in the plurality of pixels.