| CPC G09G 3/3233 (2013.01) [G09G 2300/0819 (2013.01); G09G 2300/0852 (2013.01); G09G 2300/0861 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0233 (2013.01); G09G 2320/0247 (2013.01); H10K 59/1213 (2023.02); H10K 59/1216 (2023.02); H10K 59/131 (2023.02)] | 20 Claims |
|
1. A pixel circuit, comprising:
a data writing sub-circuit coupled to a data signal terminal, a scanning sig nal terminal and a fourth node, and configured to write a data signal received at the data signal terminal into the fourth node, in response to a scanning signal received at the scanning signal terminal;
a first light-emitting control sub-circuit coupled to a first voltage terminal, a first light-emitting control terminal and a second node, and configured to write a first voltage received at the first voltage terminal into the second node, in response to a first light-emitting control signal received at the first light-emitting control terminal;
a driving sub-circuit coupled to a first node, the second node and a third node, and configured to generate a driving current in response to a voltage of the first node;
a storage sub-circuit coupled between the first node and the fourth node, and configured to store a voltage;
a compensation sub-circuit coupled to a compensation signal terminal, the first node and the third node, and configured to transmit the first voltage from the first voltage terminal and a threshold voltage of the driving sub-circuit to the first node, in response to a compensation control signal received at the compensation signal terminal;
a second light-emitting control sub-circuit coupled to the third node, a second light-emitting control terminal and a first electrode of a light-emitting element, and configured to output the driving current transmitted to the third node to the light-emitting element, in response to a second light-emitting control signal received at the second light-emitting control terminal;
a first initialization sub-circuit coupled to a first reset signal terminal, a first initialization signal terminal and the fourth node, and configured to transmit a first initialization signal received at the first initialization signal terminal to the fourth node, in response to a first reset signal received at the first reset signal terminal, so as to initialize a potential of the fourth node;
a second initialization sub-circuit coupled to a second reset signal terminal, a second initialization signal terminal and the first electrode of the light-emitting element, and configured to transmit a second initialization signal received at the second initialization signal terminal to the first electrode of the light-emitting element, in response to a second reset signal received at the second reset signal terminal, so as to initialize a potential of the first electrode of the light-emitting element; and
a third initialization sub-circuit coupled to a third reset signal terminal, a third initialization signal terminal and the third node, and configured to transmit a third initialization signal received at the third initialization signal terminal to the third node, in response to a third reset signal received at the third reset signal terminal, so as to initialize a potential of the third node.
|