Pixel circuit, driving method thereof and display device

A pixel circuit, comprising first to sixth transistors, first and second capacitors, and the light emitting element, the pixel circuit being electrically connected to the data line, first to fourth control lines, and first to third power supply lines, wherein:

• the first transistor includes a first terminal that is electrically connected to the data line, a second terminal, and a control terminal that is electrically connected to the first control line;
• the second transistor includes a first terminal that is electrically connected to the first power supply line, a second terminal, and a control terminal that is electrically connected to the second control line;
• the third transistor includes a first terminal that is electrically connected to the second terminal of the second transistor, a second terminal, and a control terminal that is electrically connected to the second terminal of the first transistor;
• the fourth transistor includes a first terminal that is electrically connected to the second terminal of the third transistor, a second terminal, and a control terminal that is electrically connected to the third control line;
• the fifth transistor includes a first terminal that is electrically connected to the third power supply line, a second terminal that is electrically connected to the second terminal of the first transistor, and a control terminal that is electrically connected to the fourth control line;
• the sixth transistor includes a first terminal that is electrically connected to the third power supply line, a second terminal that is electrically connected to the second terminal of the third transistor, and a control terminal that is electrically connected to the fourth control line;
• the first capacitor includes a first terminal that is electrically connected to the second terminal of the first transistor, and a second terminal that is electrically connected to the first terminal of the third transistor;
• the second capacitor includes a first terminal that is electrically connected to the third power supply line, and a second terminal that is electrically connected to the first terminal of the third transistor;
• and
• the light emitting element includes a first terminal that is electrically connected to the second terminal of the fourth transistor, and a second terminal that is electrically connected to the second power supply line.

A pixel circuit, comprising:

• a light emitting element;
• driving transistor means for supplying an electric current according to an applied voltage to the light emitting element;
• capacitor means for holding a voltage containing a threshold voltage and a data voltage of the driving transistor means and applying the voltage to the driving transistor means;
• and
• switch means for making the capacitor means hold the voltage containing the threshold voltage and the data voltage, wherein
• the switch means comprises current detour transistor means for making the electric current that is supplied from the driving transistor means detour to a reference voltage power supply line without going through the light emitting element.