ORGANIC LIGHT EMITTING DIODE DISPLAY

摘要

An OLED pixel includes a switching transistor to transfer a data signal to a driving transistor. The switching transistor includes a first gate coupled to receive a first scan signal and a second gate coupled to receive a second scan signal received before the first scan signal. A storage capacitor is connected to a first terminal of the driving transistor and the first transistor passes a data signal to a second terminal of the driving transistor based on the first and second scan signals. A compensation transistor and an initialization transistor are also included. The compensation transistor includes first and second gates to receive the first scan signal to establish a signal path between the first terminal and a third terminal of the driving transistor. The initialization transistor establishes a signal path between an initialization voltage and the storage capacitor between its two gates.

主权项

1. A display device, comprising:
a substrate; a scan line and a previous scan line formed on the substrate, the scan line to transfer a scan signal and the previous scan line to transfer a previous scan signal; a data line and a driving voltage line crossing the scan line, the data line to transfer a data signal and the driving voltage line to transfer a driving voltage; a switching transistor connected to the scan line, previous scan line, and data line; a driving transistor connected to the switching transistor; and an organic light emitting diode connected to the driving transistor, wherein the switching transistor includes a first switching gate electrode and a second switching gate electrode on different layers, and wherein the previous scan signal is transferred to the first switching gate electrode and the scan signal is transferred to the second switching gate electrode.