Patent ID: 11916083
Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 12:
13. The display substrate according to claim 8, further comprising a light-emitting device layer disposed on a side of the second insulating layer away from the base, the light-emitting device layer including the conductive electrode layer, a light-emitting layer and a cathode layer that are sequentially stacked, wherein
the light-emitting device layer includes a plurality of light-emitting devices, each light-emitting device includes: an anode located in the conductive electrode layer, a light-emitting portion located in the light-emitting layer, and a cathode located in the cathode layer; and
the pixel circuit includes: a switching transistor, a driving transistor, a first light-emitting control transistor, a second light-emitting control transistor and an initialization transistor, wherein the second light-emitting control transistor is coupled with the light-emitting device, wherein
the first thin film transistor is the first light-emitting control transistor; and the conductive light-shielding layer further includes a power signal line, the power signal line is coupled with the conductive light-shielding pattern; or
the first thin film transistor is the second light-emitting control transistor, and the conductive electrode is the anode of the light-emitting device; or
the first thin film transistor is the switching transistor; and the conductive light-shielding layer further includes a data signal line, the data signal line is coupled with the conductive light-shielding pattern; or
the first thin film transistor is the initialization transistor; and the conductive light-shielding layer further includes an initialization signal line, the initialization signal line is coupled with the conductive light-shielding pattern.