Organic light emitting display device
An organic light emitting display device comprising: a data driver supplying data signals to data output lines; a scan driver supplying scan signals sequentially to scan output lines; a light emitting control line driver supplying light emitting control signals to light emitting control output lines; and a pixel unit including a plurality of pixels connected to the output lines of each driver, at least one driver having a buffer circuit disposed at each output line. Each buffer circuit comprises a transistor having a gate layer, source and drain layers and a metal layer for shielding Electro-Static Discharge (ESD), wherein the metal layer is formed over the gate layer when the gate layer is overlapped by one of the source or a drain electrodes, or the metal layer is formed to not overlap the gate layer when the gate layer is not overlapped by the source or a drain electrodes.
1. An organic light emitting display device comprising:
a data driver supplying data signals to data lines;
a scan driver supplying scan signals sequentially to scan lines;
a light emitting control line driver supplying light emitting control signals to light emitting control lines;
a pixel unit including a plurality of pixels connected to the data lines, scan lines and light emitting control lines and each having an organic light emitting device; and
a metal layer for shielding an Electro-Static Discharge (ESD) formed on an upper surface of each driver, said metal layer being formed throughout a region other than a upper region of a gate electrode of a transistor forming a buffer circuit of each of the drivers.
2. The organic light emitting display device according to claim 1 , wherein the metal layer for shielding the Electro-Static Discharge (ESD) is an anode electrode.
3. The organic light emitting display device according to claim 1 , wherein the metal layer for shielding the Electro-Static Discharge (ESD) is a cathode electrode.
4. The organic light emitting display device according to claim 1 , wherein the buffer circuits are connected to output terminals of the respective drivers.
5. The organic light emitting display device according to claim 1 , wherein the upper region of the gate electrode of the transistor forming the buffer circuit is not overlapped by source and drain electrodes.
6. An organic light emitting display device comprising:
a data driver supplying data signals to data lines;
a scan driver supplying scan signals sequentially to scan lines;
a light emitting control line driver supplying light emitting control signals to light emitting control lines;
a pixel unit including a plurality of pixels connected to the data lines, scan lines and light emitting control lines and each having an organic light emitting; and
a metal layer for shielding an Electro-Static Discharge (ESD) formed on an upper surface of each driver, said metal layer being formed throughout a region over an upper region of a gate electrode of a transistor forming a buffer circuit of each of the drivers, wherein the upper region of the gate electrode of the transistor forming the buffer circuit is overlapped by one of a source electrode or a drain electrode.
7. The organic light emitting display device according to claim 6 , wherein the metal layer for shielding the Electro-Static Discharge (ESD) is an anode electrode.
8. The organic light emitting display device according to claim 6 , wherein the metal layer for shielding the Electro-Static Discharge (ESD) is a cathode electrode.
9. The organic light emitting display device according to claim 6 , wherein the buffer circuits are connected to output terminals of the respective drivers.
10. An organic light emitting display device comprising:
a data driver supplying data signals to data output lines;
a scan driver supplying scan signals sequentially to scan output lines;
a light emitting control line driver supplying light emitting control signals to light emitting control output lines;
a pixel unit including a plurality of pixels connected to the output lines of said data driver, said scan driver and said light emitting control line driver, at least one of said data driver, said scan driver and said light emitting control line driver having a buffer circuit disposed at each output line; and
each said buffer circuit comprising a transistor having a gate layer, source and drain layers and a metal layer for shielding an Electro-Static Discharge (ESD), each said buffer circuit further comprising:
said metal layer being formed over said gate layer when the gate layer is overlapped by one of said source or a drain electrodes; or
said metal layer being formed to not overlap said gate layer when the gate layer is not overlapped by said source or a drain electrodes.
11. The organic light emitting display device according to claim 10 , wherein each of said data driver, said scan driver and said light emitting control line driver comprise said buffer circuits disposed at each output line.
12. The organic light emitting display device according to claim 10 , wherein the metal layer for shielding the Electro-Static Discharge (ESD) is a cathode electrode.
13. The organic light emitting display device according to claim 10 , wherein the metal layer for shielding the Electro-Static Discharge (ESD) is an anode electrode.