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:
Jul. 28, 2020

Filed:

Dec. 10, 2018
Applicant:

Wuhan China Star Optoelectronics Technology Co., Ltd., Wuhan, Hubei, CN;

Inventor:

Weijun Tian, Guangdong, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/34 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3426 (2013.01);
Abstract

A backlight drive circuit comprises a plurality of light-emitting units arrayed in a matrix manner and at least first transistors and second transistors, wherein the light-emitting units in each row are connected to a scan line, the light-emitting units in each column are connected to a data line, at least part of the scan lines and/or the data lines are connected to first terminals of the first transistors, at least part of the scan lines and/or the data lines are connected to first terminals of the second transistors, second terminals of the first transistors and the second transistors are respectively connected to drive chip pins, control terminals of the first transistors and the second transistors are connected to a first control line.


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