Pixel circuit, display apparatus including the same and electronic apparatus including the same

A display apparatus comprising:

• a display panel comprising a pixel;
• a data driver configured to output a data voltage to the pixel;
• a gate driver configured to output a gate signal to the pixel;
• and
• an emission driver configured to output an emission signal to the pixel,
• wherein the pixel comprises a first circuit, the first circuit comprising:
• a seventh transistor including a control electrode connected to a fourth node, a first electrode connected to a fifth node and a second electrode connected to a sixth node;
• an eighth transistor including a control electrode configured to receive a second writing gate signal, a first electrode connected to the fifth node and a second electrode connected to the fourth node;
• a ninth transistor including a control electrode configured to receive the second writing gate signal, a first electrode configured to receive a data current and a second electrode connected to the fifth node;
• a tenth transistor including a control electrode configured to receive a second initialization gate signal, a first electrode configured to receive a first initialization voltage and a second electrode connected to a seventh node;
• an eleventh transistor including a control electrode configured to receive the emission signal, a first electrode configured to receive a second power voltage and a second electrode connected to the fifth node;
• a twelfth transistor including a control electrode connected to the seventh node, a first electrode configured to receive the second power voltage or a second initialization voltage and a second electrode connected to the fourth node;
• a thirteenth transistor including a control electrode configured to receive an anode initialization gate signal, a first electrode configured to receive the second initialization voltage and a second electrode connected to the sixth node;
• and
• a light emitting element including a first electrode connected to the sixth node and a second electrode configured to receive a third power voltage.

An electronic apparatus comprising:

• a display panel comprising a pixel;
• a data driver configured to output a data voltage to the pixel;
• a gate driver configured to output a gate signal to the pixel;
• an emission driver configured to output an emission signal to the pixel;
• a driving controller configured to control the data driver, the gate driver and the emission driver;
• and
• a processor configured to output input image data and an input control signal to the driving controller,
• wherein the pixel comprises a first circuit, the first circuit comprising:
• a seventh transistor including a control electrode connected to a fourth node, a first electrode connected to a fifth node and a second electrode connected to a sixth node;
• an eighth transistor including a control electrode configured to receive a second writing gate signal, a first electrode connected to the fifth node and a second electrode connected to the fourth node;
• a ninth transistor including a control electrode configured to receive the second writing gate signal, a first electrode configured to receive a data current and a second electrode connected to the fifth node;
• a tenth transistor including a control electrode configured to receive a second initialization gate signal, a first electrode configured to receive a first initialization voltage and a second electrode connected to a seventh node;
• an eleventh transistor including a control electrode configured to receive the emission signal, a first electrode configured to receive a second power voltage and a second electrode connected to the fifth node;
• a twelfth transistor including a control electrode connected to the seventh node, a first electrode configured to receive the second power voltage or a second initialization voltage and a second electrode connected to the fourth node;
• a thirteenth transistor including a control electrode configured to receive an anode initialization gate signal, a first electrode configured to receive the second initialization voltage and a second electrode connected to the sixth node;
• and
• a light emitting element including a first electrode connected to the sixth node and a second electrode configured to receive a third power voltage.