Protection circuit for backlight driver circuit, backlight module, and lcd device
AssigneeShenzhen China Star Optoelectronics Technology Co., Ltd.
InventorXianming Zhang
Life of this patent
Estimating the term…
Abstract
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.
Claims17
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.
A backlight driver circuit, comprising:
- a backlight driver integrated circuit (IC) and a protection circuit;
- wherein the backlight driver IC comprises a protection pin that controls the backlight driver IC to enter a protection mode;
- the protection circuit comprises a monitoring unit that monitors a temperature of the backlight driver circuit;
- when the temperature of the backlight driver circuit exceeds the preset temperature, the monitoring unit sends a protection signal to the protection pin to control the backlight driver IC to enter the protection mode.
Dependencies are inferred from the claim text.