Patent ID: 11893179
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 8:
9. The touch display device according to claim 1, wherein the touch panel includes first touch electrodes and second touch electrodes that transversely and longitudinally cross and are insulated from each other;
the second metal pattern layer further includes second touch wirings insulated from the plurality of data wirings; the first touch electrodes are respectively electrically connected to the plurality of first touch wirings, and the second touch electrodes are respectively electrically connected to the second touch wirings;
the first metal pattern layer further includes a plurality of first pads and a plurality of second pads; the flexible printed circuit further includes a plurality of through holes; the plurality of first pads are respectively electrically connected to the plurality of first touch wirings, and are electrically connected to the touch chip; first ends of the plurality of through holes respectively extend to the plurality of second pads, and the plurality of second pads are electrically connected to the touch chip; and second ends of the plurality of through holes respectively extend to the second touch wirings; and
the touch chip is used for sending touch drive signals to respective first touch wirings, and for receiving touch detection signals from respective second touch wirings; or the touch chip is used for sending touch drive signals to respective second touch wirings, and for receiving touch detection signals from respective first touch wirings.