PROTECTION CIRCUIT FOR BACKLIGHT DRIVER CIRCUIT, BACKLIGHT MODULE, AND LCD DEVICE

摘要

A protection circuit of a backlight driver circuit includes a backlight driver circuit. The backlight driver circuit includes a backlight driver integrated circuit (IC), and the backlight driver IC includes a protection pin that controls the backlight driver IC to enter a protection mode. The backlight driver circuit further includes a protection circuit, and the protection circuit includes a monitoring unit that monitors a temperature of the backlight driver circuit. When the temperature of the backlight driver circuit exceeds a preset temperature, the monitoring unit sends the protection signal to the protection pin to control the backlight driver IC to enter the protection mode.

主权项

1. A protection circuit of a backlight driver circuit, comprising:
a monitoring unit that monitors a temperature of the backlight driver circuit; wherein the backlight driver circuit comprises a protection pin that controls a backlight driver integrated circuit (IC) to enter a protection mode; when the temperature of the backlight driver circuit exceeds a preset temperature, the monitoring unit sends a protection signal to the protection pin to control the backlight driver IC to enter the protection mode.