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

Claim 12:
13. A crack detection method for a display panel, wherein the display panel is the display panel according to claim 1, and the display panel further comprises sub-pixels connected with the data lines, and the crack detection method comprises:
receiving a turn-on signal input from the second test terminal to turn on the first detection switch circuit and the second detection switch circuit, and receiving a test signal input from the first test terminal, wherein the test signal satisfies that a sub-pixel connected with a data line is in a first light emitting state when the test signal is loaded to the data line; and
determining crack state information of the display panel according to the light emitting state of the sub-pixel of the display panel.