Patent ID: 11887515
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 2:
3. The display panel according to claim 1, wherein
at least one third data line and at least one fourth data line are further arranged in the display region, the crack detection circuit structure further comprises a third crack detection line, a fourth crack detection line, a third detection switch circuit electrically connected with the third data line, and a fourth detection switch circuit electrically connected with the fourth data line, and the third crack detection line and the fourth crack detection line are arranged in different function layers of the display panel, wherein
a first terminal of the third crack detection line is electrically connected with a third test terminal, a second terminal of the third crack detection line is electrically connected with an input terminal of the third detection switch circuit, and an output terminal of the third detection switch circuit is electrically connected with the third data line;
a first terminal of the fourth crack detection line is electrically connected with a fourth node of the third crack detection line, the fourth node is different from the first terminal and the second terminal of the third crack detection line, a second terminal of the fourth crack detection line is electrically connected with an input terminal of the fourth detection switch circuit, and an output terminal of the fourth detection switch circuit is electrically connected with the fourth data line;
a control terminal of the third detection switch circuit and a control terminal of the fourth detection switch circuit are electrically connected with a fourth test terminal; and
the first crack detection line and the second crack detection line are located at one side of a central axis of the display panel, and the third crack detection line and the fourth crack detection line are located at the other side of the central axis of the display panel, wherein the central axis is a central axis between the third region and the fourth region.