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.

Date of Patent:
Oct. 29, 2024

Filed:

Apr. 27, 2023
Applicant:

Tcl China Star Optoelectronics Technology Co., Ltd., Guangdong, CN;

Inventors:

Xinhong Chen, Guangdong, CN;

Yun Zhang, Guangdong, CN;

Ling Xu, Guangdong, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); G09G 3/20 (2006.01);
U.S. Cl.
CPC ...
G09G 3/342 (2013.01); G09G 3/2007 (2013.01); G09G 3/2092 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0247 (2013.01); G09G 2340/16 (2013.01);
Abstract

A backlight driving method is provided. The method includes: determining a first duration of a first active pulse phase in a backlight driving signal corresponding to a target frame of a to-be displayed picture in a display panel, based on a target duty ratio and a first period corresponding to a target previous frame; wherein the target previous frame is a frame preceding the target frame, and the backlight driving signal is configured to drive a backlight of the display panel; and determining a second duration based on a maximum period corresponding to a frame at a lowest refresh frequency of the display panel and the first period, to delay a start time of the first active pulse phase based on the second duration.


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