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:
Sep. 28, 2021

Filed:

May. 16, 2019
Applicants:

Beijing Boe Optoelectronics Technology Co., Ltd., Beijing, CN;

Boe Technology Group Co., Ltd., Beijing, CN;

Inventors:

Feng Zi, Beijing, CN;

Jian Sun, Beijing, CN;

Ziqiang Guo, Beijing, CN;

Xinjian Liu, Beijing, CN;

Feng Pan, Beijing, CN;

Yakun Wang, Beijing, CN;

Jiyang Shao, Beijing, CN;

Binhua Sun, Beijing, CN;

Hao Zhang, Beijing, CN;

Lili Chen, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01); H05B 45/20 (2020.01); H05B 45/10 (2020.01); G02F 1/13357 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3426 (2013.01); G02F 1/133603 (2013.01); H05B 45/10 (2020.01); H05B 45/20 (2020.01); G09G 2320/064 (2013.01);
Abstract

A backlight driving circuit of driving a backlight source, the backlight source comprising a plurality of LEDs arranged in an array, the backlight driving circuit comprising: a power source sub-circuit and a switch control sub-circuit, wherein the power source sub-circuit is electrically connected to the plurality of LEDs respectively through the switch control sub-circuit; and the switch control sub-circuit is configured to determine a to-be-turned-on LED and a to-be-turned-off LED according to color information of an image to be displayed, and control each of the LEDs to be turned on or off by controlling a connection state between each of the LEDs and the power source sub-circuit separately according to the determined to-be-turned-on LED and the determined to-be-turned-off LED. A backlight driving method, a backlight driving device and a computer-readable storage medium are further provided.


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