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:
Sep. 17, 2019
Filed:
Dec. 22, 2017
Hisense Electric Co., Ltd., Qingdao, CN;
Hisense Usa Corporation, Suwanee, GA (US);
Hisense International Co., Ltd., Qingdao, CN;
Yuxin Zhang, Qingdao, CN;
HISENSE ELECTRIC CO., LTD., Shandong, CN;
HISENSE USA CORPORATION, , GA (US);
HISENSE INTERNATIONAL CO., LTD., Shandong, CN;
Abstract
Disclosed are a backlight control method and a liquid crystal display device, where the backlight control method includes generating backlight data of a backlight partition corresponding to an image partition according to grayscale data of each of the image partition in an image to be displayed; generating a PWM backlight control signal for the each of the backlight partition according to a grayscale interval where the backlight data of the each of the backlight partition lies, where current amplitudes of PWM backlight control signals corresponding to backlight data in different grayscale intervals are different; and controlling a backlight source of the each of the backlight partition according to the PWM backlight control signal for the each of the backlight partition.