| CPC G09G 3/3233 (2013.01) [G09G 3/3225 (2013.01); G09G 3/3266 (2013.01); G09G 3/3275 (2013.01); G09G 3/3291 (2013.01); H10K 59/1213 (2023.02); G09G 2300/0426 (2013.01); G09G 2300/0452 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0842 (2013.01); G09G 2300/0852 (2013.01); G09G 2300/0861 (2013.01); G09G 2310/0251 (2013.01); G09G 2310/061 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0247 (2013.01); G09G 2320/045 (2013.01); G09G 2330/021 (2013.01); H10K 59/1216 (2023.02); H10K 59/126 (2023.02)] | 19 Claims |
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1. A pixel circuit, comprising: a driving circuit, a data writing circuit, a compensation storage circuit, a first light-emitting control circuit, and a second light-emitting control circuit,
wherein the driving circuit comprises a control terminal, a first terminal, and a second terminal, and is configured to control a driving current flowing through the first terminal and the second terminal for driving a light-emitting element to emit light;
the data writing circuit is connected to the first terminal of the driving circuit and a first scanning signal line, and is configured to write a data signal to the first terminal of the driving circuit in response to a first scanning signal provided by the first scanning signal line;
the compensation storage circuit is connected to the control terminal and the second terminal of the driving circuit, and is also connected to a second scanning signal line and a first power line, and is configured to store the data signal written by the data writing circuit in response to a second scanning signal provided by the second scanning signal line and to compensate for the driving circuit;
the first light-emitting control circuit is connected to the first terminal of the driving circuit, the first power line, and the first scanning signal line, and is configured to apply a first voltage of the first power line to the first terminal of the driving circuit in response to the first scanning signal provided by the first scanning signal line, wherein a conductive state of the data writing circuit and a conductive state of the first light-emitting control circuit under control of the first scanning signal are mutually exclusive; and
the second light-emitting control circuit is connected to the second terminal of the driving circuit, a light-emitting control signal line, and a first terminal of the light-emitting element, and is configured to apply the driving current to the light-emitting element in response to a light-emitting control signal provided by the light-emitting control signal line,
wherein the first light-emitting control circuit comprises a first light-emitting control transistor, and the data writing circuit comprises a data writing transistor,
a gate electrode of the first light-emitting control transistor comprises a first sub-gate electrode and a second sub-gate electrode located at different layers, and an active layer of the first light-emitting control transistor is located between the first sub-gate electrode and the second sub-gate electrode,
a layer where the first sub-gate electrode is located is between a layer where a gate electrode of the data writing transistor is located and a layer where the second sub-gate electrode is located,
the first sub-gate electrode and the second sub-gate electrode of the first light-emitting control transistor and the gate electrode of the data writing transistor are connected to the first scanning signal line through connection electrodes, respectively, and a layer where the connection electrodes are located is on a side of the layer where the second sub-gate electrode is located away from the layer where the first sub-gate electrode is located and the layer where the gate electrode of the data writing transistor is located.
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