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:
Mar. 07, 2017
Filed:
Dec. 29, 2014
Hisense Electric Co., Ltd., Qingdao, Shandong, CN;
Hisense Usa Corporation, Suwanee, GA (US);
Hisense International Co., Ltd., Qingdao, Shandong, CN;
Shunming Huang, Shandong, CN;
Yuxin Zhang, Shandong, CN;
Jianwei Cao, Shandong, CN;
Mingsheng Qiao, Shandong, CN;
Weidong Liu, Shandong, CN;
HISENSE ELECTRIC CO., LTD., Qingdao, Shandong, CN;
HISENSE USA CORPORATION, Suwanee, GA (US);
HISENSE INTERNATIONAL CO., LTD., Qingdao, Shandong, CN;
Abstract
The present disclosure provides a backlight driving method and device and a display device, wherein the backlight includes a plurality of backlight scanning areas, each luminous body corresponding to each backlight scanning area is driven independently, including: acquiring display gray scale of a current frame of image and that of a previous frame of image in a backlight scanning area; determining a first backlight duty ratio according to the display gray scale of the current frame and that of the previous frame; if black frame insertion time in the first backlight duty ratio is smaller than a first black frame insertion time, acquiring a second backlight duty ratio, wherein black frame insertion time in the second backlight duty ratio is not less than the first black frame insertion time; determining drive timing of the luminous bodies in the current frame according to the second backlight duty ratio.