Display device

1. A display device comprising:

a plurality of subpixels on a substrate, each subpixel including a transmission portion and a light emitting portion,

wherein the light emitting portion includes a driving transistor and an organic light emitting diode connected to the driving transistor, and

an extension line extending from a drain electrode of the driving transistor, and wherein the extension line and a first electrode of the organic light emitting diode are connected to each other in the transmission portion.

2. The display device of claim 1 , wherein the plurality of subpixels are defined where a gate line, a data line, a sensing line, a power supply line, and a cathode power supply line, and

each of the plurality of subpixels further includes a switching transistor, a sensing transistor, and a capacitor.

3. The display device of claim 2 , wherein the light emitting portion includes a first light emitting portion overlapping the driving transistor and a second light emitting portion overlapping the sensing transistor and the switching transistor.

4. The display device of claim 3 , wherein the extension line intersects the data line across a portion between the first light emitting portion and the second light emitting portion.

5. The display device of claim 3 , wherein the first electrode includes a first anode electrode located in the first light emitting portion and a second anode electrode located in the second light emitting portion.

6. The display device of claim 5 , wherein

the first anode electrode and the second anode electrode extend to the transmission portion to be integrally connected to each other, and the first anode electrode and the second anode electrode are connected to each other to form a first repair portion.

7. The display device of claim 5 , wherein

the extension line is in contact with the first anode electrode and the second anode electrode in the first repair portion.

8. The display device of claim 5 , further comprising:

a repair line extending from one side of the power supply line in parallel to the power supply line to a neighboring subpixel;

a first connection pattern in contact with the repair line; and

a second repair portion connected to the first anode electrode overlapping the first connection pattern.

9. The display device of claim 5 , further comprising:

a cathode contact portion in which the cathode power supply line and a second electrode of the organic light emitting diode overlap each other.

10. A display device comprising:

a substrate including a light emitting portion and a transmission portion including a first repair portion;

a thin film transistor located on the substrate and including at least a drain electrode;

an extension line extending from the drain electrode;

a passivation film located on the thin film transistor and the extension line, and the passivation film exposing at least a portion of the extension line;

an overcoat layer located on the passivation layer, corresponding to the light emitting portion, and spaced apart from the first repair portion;

a first electrode located on the overcoat layer;

a bank layer located on the first electrode and exposing at least a portion of the first electrode;

a light emitting layer located on the exposed portion of the first electrode and the bank layer; and

a second electrode located on the light emitting layer,

wherein the first electrode and the extension line are in contact with each other through a contact hole formed in the passivation film in the first repair portion.

11. The display device of claim 10 , wherein the first electrode includes a first anode electrode and a second anode electrode, the first repair portion is disposed in a region branched from the first anode electrode and the second anode electrode.

12. The display device of claim 11 , wherein the extension line is electrically connected to the first anode electrode and the second anode electrode.

13. The display device of claim 10 , wherein the extension line extends from the drain electrode to the first repair portion.