The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 05, 2023
Filed:
Nov. 22, 2019
Beijing Boe Optoelectronics Technology Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Jie Yu, Beijing, CN;
Pengtao Li, Beijing, CN;
Yangyang Zhang, Beijing, CN;
Daekeun Yoon, Beijing, CN;
Qing Ma, Beijing, CN;
Rui Han, Beijing, CN;
Beijing BOE Optoelectronics Technology Co., Ltd., Beijing, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
Embodiments of the present disclosure provide a backlight control circuit, a method for driving the same, a backlight module and a display apparatus. The backlight control circuit includes: an undervoltage protection circuit, electrically connected with a power supply voltage input end and a ground, and configured to output a closing control signal through an output end of the undervoltage protection circuit according to a voltage at the power supply voltage input end and an undervoltage threshold value; and a backlight driving circuit, electrically connected with a voltage supply end, a backlight driving output end and the output end of the undervoltage protection circuit separately, and configured to enable a port of the backlight driving circuit when receiving an enabling control signal for processing a voltage at the voltage supply end and outputting the processed voltage to the backlight driving output end, and stop working when receiving the closing control signal.