Pixel circuit, and organic light emitting display, and driving method thereof

摘要

A pixel circuit including an organic light emitting diode. Also, the pixel circuit includes: a second transistor connected to a first scanning line, a data line, and a first node; a fifth transistor connected to a third scanning line, the first node, and a second node; a fourth transistor connected to a second scanning line, a first reference voltage, and the second node; a third transistor connected to the first scanning line, a second reference voltage, and a third node; a first capacitor connected between the first node and the second node; a second capacitor connected between the second node and the third node; and a first transistor connected to the first node, a first power, and the third node, and configured to drive the organic light emitting diode.

主权项

1. A pixel circuit comprising:
an organic light emitting diode; a second transistor comprising a gate terminal, a first terminal, and a second terminal respectively connected to a first scanning line, a data line, and a first node; a fifth transistor comprising a gate terminal, a first terminal, and a second terminal respectively connected to a third scanning line, the first node, and a second node, the first terminal being directly connected to the first node; a fourth transistor comprising a gate terminal, a first terminal, and a second terminal respectively connected to a second scanning line, a first reference voltage, and the second node, the second terminal being directly connected to the second node, and the second scanning line being different from the third scanning line; a third transistor comprising a gate terminal, a first terminal, and a second terminal respectively connected to the first scanning line, a second reference voltage, and a third node; a first capacitor connected between the first node and the second node; a second capacitor connected between the second node and the third node; and a first transistor comprising a gate terminal, a first terminal, and a second terminal respectively connected to the first node, a first power, and the third node, and configured to drive the organic light emitting diode comprising a first terminal connected to the third node, and a second terminal connected to a second power, the second power being different from the second reference voltage.