Patent ID: 11960180
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 8:
9. A method of manufacturing a display panel, comprising:
providing a base substrate;
forming a conductive structure on the base substrate, wherein the conductive structure comprises a plurality of block structures, to facilitate connection to a plurality of contacts on a control integrated circuit (IC);
forming a display structure on the base substrate on which the conductive structure has been formed, wherein the display structure comprises a first display structure, a control line, and a second display structure that are arranged in layers on a side of the base substrate where the conductive structure is located, the first display structure comprises a second through hole, and the control line is electrically connected to the conductive structure by passing through the second through hole;
forming a first through hole in the base substrate, wherein the conductive structure at least partially covers the first through hole; and
forming a base layer between the conductive structure and the first display structure, wherein the base layer has a third through hole in communication with the second through hole of the first display structure, and the control line is electrically connected to the conductive structure by passing through the second through hole and the third through hole;
wherein forming the conductive structure on the base substrate comprises:
forming the conductive structure and a perforated light-shielding layer on the base substrate by a same patterning process, wherein the display panel comprises a fingerprint recognition assembly comprising the perforated light-shielding layer and a fingerprint recognition sensor, and the fingerprint recognition sensor is located on a side, distal from the display structure, of the perforated light-shielding layer; and wherein the perforated light-shielding layer is provided with a plurality of apertures, and light emitted by the display structure and then reflected by a touch object passes through the plurality of apertures and is sensed by the fingerprint recognition sensor;
wherein the first through hole, the second through hole, and the third through hole are coaxial;
the base substrate comprises a first polyimide structure layer and a first silicon oxide barrier layer that are arranged in layers along a direction close to the display structure, and the first through hole passes through the first polyimide structure layer and the first silicon oxide barrier layer;
the base layer comprises a second polyimide structure layer and a second silicon oxide barrier layer that are arranged in layers along the direction close to the display structure, and the third through hole passes through the second polyimide structure layer and the second silicon oxide barrier layer; and
the conductive structure and the perforated light-shielding layer are disposed between the first silicon oxide barrier layer and the second polyimide structure layer.