Display mother board, detection method thereof, display substrate and display device

• Main Authors: QIN CHENGJIE, LU YANWEI, ZHOU ZHENLI, JI FENGLI, ZHOU HONGJUN
• Format: Patent
• Language: Chinese; English
• Published: 08.11.2022
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; SEMICONDUCTOR DEVICES

The invention discloses a display mother board, a detection method thereof, a display substrate and a display device. The display mother board comprises at least one substrate area, the substrate area comprises at least one detection bonding pad area, at least one detection wiring area and at least two display substrates, the detection bonding pad area comprises a plurality of bonding pads, the detection wiring area comprises a plurality of signal wires, the first ends of the signal wires are correspondingly connected with the bonding pads, and the second ends of the signal wires are correspondingly connected with the display substrates. The second ends of the multiple signal wires extend to the display substrate in the substrate area and are connected with a detection circuit of the display substrate, and the multiple bonding pads are configured to enable an external detection device to provide detection signals for the detection circuit of the display substrate in the substrate area through the multiple bon