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:
Apr. 26, 2022
Filed:
Sep. 30, 2019
Foshan Nationstar Optoelectronics Co., Ltd., Foshan, CN;
Qiang Zhao, Foshan, CN;
Chuanbiao Liu, Foshan, CN;
Kuai Qin, Foshan, CN;
Heng Guo, Foshan, CN;
Changqi Wang, Foshan, CN;
Zongxian Xie, Foshan, CN;
Kailiang Fan, Foshan, CN;
Chungan Jiang, Foshan, CN;
FOSHAN NATIONSTAR OPTOELECTRONICS CO., LTD., Foshan, CN;
Abstract
Provided is a LED backlight module, display screen and detection method of a LED backlight module. The LED backlight module includes a substrate and multiple LED chips arranged on the substrate, one first detection group is arranged on the substrate for each LED chip of more than one LED chip arranged at an interval of N LED chips connected in series, where N is greater than or equal to 0, the first detection group includes a first positive electrode detection point and a first negative electrode detection point, the first positive electrode detection point and the first negative electrode detection point of the first detection group are respectively connected to a positive electrode and a negative electrode of the each LED chip.