Pixel circuit for compensation for threshold voltage and driving method thereof

A pixel circuit comprising a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a capacitor, and a light emitting device,

• wherein a control electrode of the first transistor is coupled to a control signal terminal, wherein a first electrode of the first transistor is coupled to a control electrode of the fourth transistor, and wherein a second electrode of the first transistor is coupled to a second node;
• wherein a control electrode of the second transistor is coupled to the control signal terminal, wherein a first electrode of the second transistor is coupled to an initialization signal terminal, and wherein a second electrode of the second transistor is coupled to the second node;
• wherein the capacitor is coupled between the first node and the second node;
• wherein a control electrode of the third transistor is coupled to the first node, wherein a first electrode of the third transistor is coupled to a second electrode of the sixth transistor, and wherein a second electrode of the third transistor is coupled to a first end of the light emitting device;
• wherein a control electrode and a first electrode of the fourth transistor are coupled to the first electrode of the first transistor, and wherein a second electrode of the fourth transistor is coupled to a first voltage signal terminal;
• wherein a control electrode of the fifth transistor is coupled to the control signal terminal, wherein a first electrode of the fifth transistor is coupled to a data signal terminal, and wherein a second electrode of the fifth transistor is coupled to the first node;
• wherein a control electrode of the sixth transistor is coupled to the control signal terminal, wherein a first electrode of the sixth transistor is coupled to the first voltage signal terminal, and wherein a second electrode of the sixth transistor is coupled to the first electrode of the third transistor;
• wherein the first end of the light emitting device is coupled to the second electrode of the third transistor, and wherein a second end of the light emitting device is coupled to a second voltage signal terminal;
• and
• wherein the type of the first transistor is different from the type of the second transistor.