Patent ID: 11961455
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 7:
8. A pixel circuit comprising:
a light emitting element;
a driving transistor configured to generate a driving current;
a write transistor including a control electrode configured to receive a write gate signal, a first electrode configured to receive a data voltage, and a second electrode connected to a first electrode of a storage capacitor;
a first compensation transistor including a control electrode configured to receive a compensation gate signal, a first electrode connected to a control electrode of the driving transistor, and a second electrode connected to a first electrode of the driving transistor;
the storage capacitor including the first electrode connected to the second electrode of the write transistor, and a second electrode connected to the control electrode of the driving transistor;
a test transistor including a control electrode, a first electrode configured to receive the data voltage, and a second electrode connected to a second electrode of the driving transistor;
a first initialization transistor including a control electrode configured to receive an initialization gate signal, a first electrode configured to receive a first initialization voltage, and a second electrode connected to the control electrode of the driving transistor;
a second compensation transistor including a control electrode configured to receive the compensation gate signal, a first electrode, and a second electrode connected to the first electrode of the storage capacitor;
a second initialization transistor including a control electrode configured to receive a bias signal, a first electrode configured to receive a second initialization voltage, and a second electrode connected to an anode electrode of the light emitting element;
a first emission transistor including a control electrode configured to receive a first emission signal, a first electrode connected to the second electrode of the driving transistor, and a second electrode configured to receive a first power voltage;
a second emission transistor including a control electrode configured to receive a second emission signal, a first electrode connected to the anode electrode of the light emitting element, and a second electrode connected to the first electrode of the driving transistor; and
a hold capacitor including a first electrode connected to the first electrode of the storage capacitor, and a second electrode configured to receive the first power voltage.