Organic light emitting display

1. An organic light emitting display, comprising:

a plurality of gate lines, a plurality of data lines, a plurality of power lines and a plurality of light emission control lines; and

a plurality of pixels at regions defined by the plurality of gate lines, the plurality of data lines, the plurality of power lines, and the plurality of light emission control lines,

wherein each of the plurality of pixels comprises:

a first switching transistor for providing a data signal in response to a current scan signal;

a driving transistor for generating a driving current corresponding to the data signal;

a capacitor for storing the data signal;

an electroluminescence element for emitting light in accordance with the driving current; and

a discharge transistor for discharging the data signal from the capacitor in response to a previous scan signal,

wherein drain electrodes of the discharge transistors of at least two adjacent pixels of the plurality of pixels are directly connected to each other and are coupled to a single transistor, and

wherein the single transistor has a gate electrode directly connected to gate electrodes of the discharge transistors of the at least two adjacent pixels, a source electrode directly connected to the drain electrodes of the discharge transistors of the at least two adjacent pixels, and a drain electrode coupled to a voltage source having an initialization voltage.

2. The organic light emitting display of claim 1 , wherein the at least two adjacent pixels comprise two pixels, and wherein gate electrodes of the discharge transistors of the two pixels are directly connected to each other.

3. The organic light emitting display of claim 1 , wherein the at least two adjacent pixels comprises three pixels constituting a pixel group, including a red emitting pixel, a green emitting pixel, and a blue emitting pixel.

4. The organic light emitting display of claim 1 , wherein each of the pixels further comprises:

a compensation transistor for compensating for a threshold voltage of the driving transistor;

a second switching transistor for providing a first power voltage source to the driving transistor in accordance with a current light emission control signal; and

a third switching transistor for providing the driving current to the electroluminescence element in response to the current light emission control signal.

5. The organic light emitting display of claim 1 , wherein each of the transistors is a p-type transistor.

6. An organic light emitting display comprising:

a voltage source having an initialization voltage;

a plurality of pixels, each of the plurality of pixels including a first transistor coupled to the voltage source; and

a second transistor coupled between both the first transistors of at least two adjacent pixels of the plurality of pixels and the voltage source;

wherein gate electrodes of the first transistors of the at least two adjacent pixels and the second transistor are directly connected to each other,

wherein drain electrodes of the first transistors of the at least two adjacent pixels are directly connected to each other, and are directly connected to a source electrode of the second transistor, and a drain electrode of the second transistor is coupled to the voltage source, so that the first transistors and the second transistor are configured to supply the initialization voltage to the at least two adjacent pixels.

7. The organic light emitting display of claim 6 , wherein the at least two adjacent pixels comprise two pixels, and wherein gate electrodes of the first transistors of the two pixels are directly connected to each other.

8. The organic light emitting display of claim 6 , wherein the at least two adjacent pixels comprise a pixel group having three pixels, including a red emitting pixel, a green emitting pixel, and a blue emitting pixel.

9. The organic light emitting display of claim 6 , wherein each of the plurality of pixels further comprises:

a capacitor for storing the initialization voltage supplied by the first transistor and the second transistor;

a switching transistor for replacing the initialization voltage stored in the capacitor with a data signal;

a driving transistor for generating a driving current corresponding to the data signal; and

an electroluminescence element for emitting light by utilizing the driving current;

wherein the first transistor and the second transistor are configured to replace the data signal stored in the capacitor with the initialization voltage.

10. A pixel circuit coupled to a gate line, a data line, a power line, and a light emission control line, the pixel circuit comprising:

a first switching transistor for switching a data signal provided by the data line in response to a current scan signal provided by the gate line;

a capacitor for storing the data signal;

a driving transistor for generating a current corresponding to the data signal;

a compensation transistor for compensating for a threshold voltage of the driving transistor;

a second switching transistor for connecting the power line to the driving transistor in accordance with a current light emission control signal provided by the light emission control line;

an electroluminescence element for emitting light in accordance with the current;

a third switching transistor for providing the current to the electroluminescence element in response to the current light emission control signal; and

a discharge transistor for discharging the data signal from the capacitor;

wherein a gate electrode of the discharge transistor and a gate electrode of an adjacent discharge transistor of an adjacent pixel circuit are directly connected to each other, and

wherein drain electrodes of the discharge transistor and the adjacent discharge transistor are both directly connected to a same electrode of another transistor supplying an initialization voltage, and

wherein the gate electrode of the discharge transistor and the gate electrode of the adjacent discharge transistor are directly connected to a gate electrode of the another transistor.