Patent ID: 11900875
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 15:
16. The display substrate according to claim 1, further comprising a third power line, a fourth power line, a first light-emitting clock signal line, a second light-emitting clock signal line, and a light-emitting initial signal line that extend in the column direction; wherein
the light-emitting drive circuit comprises: multiple cascaded second shift registers that are sequentially arranged in the column direction, and each second shift register comprises: a first light-emitting transistor to a tenth light-emitting transistor, a first light-emitting capacitor to a third light-emitting capacitor, a light-emitting signal input terminal, a light-emitting signal output terminal, a first light-emitting clock signal terminal, a second light-emitting clock signal terminal, a first light-emitting power terminal, and a second light-emitting power terminal;
a control electrode of the first light-emitting transistor is electrically connected to the first light-emitting clock signal terminal, a first electrode of the first light-emitting transistor is electrically connected to the light-emitting signal input terminal, and a second electrode of the first light-emitting transistor is electrically connected to a first light-emitting node; a control electrode of the second light-emitting transistor is electrically connected to the first light-emitting node, a first electrode of the second light-emitting transistor is electrically connected to the first light-emitting clock signal terminal, and a second electrode of the second light-emitting transistor is electrically connected to a second light-emitting node; a control electrode of the third light-emitting transistor is electrically connected to the first light-emitting clock signal terminal, a first electrode of the third light-emitting transistor is electrically connected to the second light-emitting power terminal, and a second electrode of the third light-emitting transistor is electrically connected to the second light-emitting node; a control electrode of the fourth light-emitting transistor is electrically connected to the second light-emitting clock signal terminal, a first electrode of the fourth light-emitting transistor is electrically connected to the first light-emitting node, and a second electrode of the fourth light-emitting transistor is electrically connected to a first electrode of the fifth light-emitting transistor; a control electrode of the fifth light-emitting transistor is electrically connected to the second light-emitting node, and a second electrode of the fifth light-emitting transistor is electrically connected to the first light-emitting power terminal; a control electrode of the sixth light-emitting transistor is electrically connected to the second light-emitting node, a first electrode of the sixth light-emitting transistor is electrically connected to the second light-emitting clock signal terminal, and a second electrode of the sixth light-emitting transistor is electrically connected to a third light-emitting node; a control electrode of the seventh light-emitting transistor is electrically connected to the second light-emitting clock signal terminal, a first electrode of the seventh light-emitting transistor is electrically connected to the third light-emitting node, and a second electrode of the seventh light-emitting transistor is electrically connected to a fourth light-emitting node; a control electrode of the eighth light-emitting transistor is electrically connected to the first light-emitting node, a first electrode of the eighth light-emitting transistor is electrically connected to the first light-emitting power terminal, and a second electrode of the eighth light-emitting transistor is electrically connected to the fourth light-emitting node; a control electrode of the ninth light-emitting transistor is electrically connected to the fourth light-emitting node, a first electrode of the ninth light-emitting transistor is electrically connected to the light-emitting signal output terminal, and a second electrode of the ninth light-emitting transistor is electrically connected to the first light-emitting power terminal; a control electrode of the tenth light-emitting transistor is electrically connected to the first light-emitting node, a first electrode of the tenth light-emitting transistor is electrically connected to the second light-emitting power terminal, and a second electrode of the tenth light-emitting transistor is electrically connected to the light-emitting signal output terminal; a first plate of the first light-emitting capacitor is electrically connected to the second light-emitting node, a second plate of the first light-emitting capacitor is electrically connected to the third light-emitting node; a first plate of the second light-emitting capacitor is electrically connected to the first light-emitting node, and a second plate of the second light-emitting capacitor is electrically connected to the second light-emitting clock signal terminal; and a first plate of the third light-emitting capacitor is electrically connected to the fourth light-emitting node, and a second plate of the third light-emitting capacitor is electrically connected to the first light-emitting power terminal; and
a light-emitting signal input terminal of a first-stage second shift register is electrically connected to the light-emitting initial signal line, a light-emitting signal output terminal of an (i−1)th-stage second shift register is electrically connected to a light-emitting signal input terminal of an ith-stage second shift register, first light-emitting power terminals of all the second shift registers are electrically connected to the third power line, second light-emitting power terminals of the second shift registers are electrically connected to the fourth power line, a first light-emitting clock signal terminal of an odd-stage second shift register is electrically connected to the first light-emitting clock signal line, a second light-emitting clock signal terminal of the odd-stage second shift register is electrically connected to the second light-emitting clock signal line, a first light-emitting clock signal terminal of an even-stage second shift register is electrically connected to the second light-emitting clock signal line, a second light-emitting clock signal terminal of the even-stage second shift register is electrically connected to the first light-emitting clock signal line, and a light-emitting signal output terminal of a second shift register is electrically connected to a light-emitting signal line, where i is a positive integer greater than or equal to 2.