Patent ID: 11922838
Assignee: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 7:
8. The display panel according to claim 7, wherein the display panel comprises n columns of sub-pixels and n data lines located in the display region and the n columns of sub-pixels are connected with the n data lines,
the display panel further comprises a first control unit and a test control terminal located in the first region, the ninth endpoint is configured to receive a detection signal, the first control unit is connected with the test control terminal, the seventh endpoint, and an i-th data line, the first control unit is configured to provide a signal of the seventh endpoint to the i-th data line under control of a signal of the test control terminal, to control a light-emitting state of an i-th columns of sub-pixels, wherein i is a natural number, 1≤i≤n.