Patent ID: 11948491
Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 7:
8. A display panel, wherein the display panel comprises:
a backlight unit;
at least one driver circuit electrically connected to the backlight unit and configured to drive the backlight unit; and
a grayscale output module electrically connected to the driver circuit and configured to determine a target grayscale value provided to the driver circuit, wherein the target grayscale value is required for driving the backlight unit to light according to a duration of a current driving current output to the backlight unit exceeding a predetermined current value;
wherein the display panel further comprises a detection unit, and the detection unit is configured to output a warning signal to the grayscale output module when the current driving current exceeds the predetermined current value such that the grayscale output module determines a sum of time lengths of the warning signal appearing in a frame time as the duration.