Organic light emitting display having auxiliary common electrode

1. An organic light emitting display comprising:

a passivation layer and a first electrode formed on a substrate, the first electrode disposed on the passivation layer;

a partition formed on the passivation layer and the first electrode, the partition having an opening exposing the first electrode at least in part;

an auxiliary electrode formed on the partition and having substantially the same planar shape as the partition;

an organic light emitting member formed on the first electrode; and

a second electrode formed on and contacting the light emitting member, the auxiliary electrode and a side of the partition at the opening.

2. The organic light emitting display of claim 1 , further comprising:

a gate line transmitting gate signals;

a data line transmitting data signals;

a switching transistor connected to the gate line and the data line;

a signal transmission line transmitting driving signals; and

a driving transistor connected to the signal transmission line and the first electrode and controlled by the data signals.

3. The organic light emitting display of claim 2 , wherein the switching transistor and the driving transistor are connected to each other and the organic light emitting display further comprises a storage capacitor connected between the switching transistor and the signal transmission line.

4. The organic light emitting display of claim 1 , wherein the first electrode comprises reflective material.

5. The organic light emitting display of claim 1 , wherein the second electrode comprises transparent material.

6. The organic light emitting display of claim 1 , wherein the auxiliary electrode has a resistivity lower than the second electrode.

7. An organic light emitting display comprising:

first and second semiconductor members including first and second intrinsic portions, respectively, and including amorphous silicon or polysilicon;

a plurality of gate conductors that include a gate line including a first gate electrode overlapping the first intrinsic portion and a second gate electrode overlapping the second intrinsic portion;

a gate insulating layer disposed between the first and the second semiconductor members and the gate conductors;

a plurality of data conductors that includes a data line including a first source electrode connected to the first semiconductor member, a first drain electrode opposing the first source electrode with respect to the first intrinsic portion and connected to the first semiconductor member, a voltage transmission line including a second source electrode connected to the second semiconductor member, and a second drain electrode opposing the second source electrode with respect to the second intrinsic portion and connected to the second semiconductor member;

a pixel electrode connected to the second drain electrode;

a partition having an opening exposing the pixel electrode at least in part;

an auxiliary electrode formed on the partition and having substantially the same planar shape as the partition;

an organic light emitting member formed on the pixel electrode; and

a common electrode formed on and contacting the light emitting member, the auxiliary electrode and a side of the partition at the opening.

8. The organic light emitting display of claim 7 , wherein the pixel electrode comprises reflective material.

9. The organic light emitting display of claim 7 , wherein the common electrode comprises transparent material.

10. The organic light emitting display of claim 7 , wherein the auxiliary electrode has a resistivity lower than the common electrode.

11. The organic light emitting display of claim 7 , further comprising a connecting member connecting the first drain electrode and the second gate electrode.

12. An organic light emitting display comprising:

a thin film transistor;

an insulating layer formed on the thin film transistor;

a first electrode formed on the insulating layer;

a partition formed on the first electrode, the partition having an opening exposing the first electrode at least in part;

an auxiliary electrode formed on the partition and having substantially the same planar shape as the partition;

an organic light emitting member formed on the first electrode; and

a second electrode formed on and contacting the light emitting member, the auxiliary electrode and a side of the partition at the opening.