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. 20, 2022
Filed:
Dec. 21, 2018
Hkc Corporation Limited, Guangdong, CN;
Wenxin Li, Guangdong, CN;
Xiaoyu Huang, Guangdong, CN;
HKC CORPORATION LIMITED, Guangdong, CN;
Abstract
Disclosed is a backlight adjustment circuit including: a reference electrical information circuit, a feedback selection circuit, a main control circuit and at least two parallel light-emitting branches; where the reference electrical information circuit is connected to the main control circuit and is configured to provide reference electrical parameter information to the main control circuit; the feedback selection circuit is respectively connected to the main control circuit and the at least two light-emitting branches and is configured to provide the main control circuit with electrical information of each of the at least two light-emitting branches; and the main control circuit is connected to the at least two light-emitting branches and is configured to adjust a current magnitude of the each of the at least two light-emitting branches according to the reference electrical parameter information and the electrical information of the each of the at least two light-emitting branches.