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:
Dec. 09, 2025

Filed:

Mar. 20, 2024
Applicant:

Shanghai Tianma Micro-electronics Co., Ltd., Shanghai, CN;

Inventors:

Hao Wu, Shanghai, CN;

Qijun Yao, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/30 (2006.01); G09G 3/32 (2016.01);
U.S. Cl.
CPC ...
G09G 3/32 (2013.01); G09G 2300/0842 (2013.01); G09G 2310/061 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0233 (2013.01); G09G 2330/021 (2013.01);
Abstract

Pixel circuit, current source circuit and display module are provided. The pixel circuit includes a first driving branch and a data writing module. The first driving branch, connected to a light-emitting element, includes a first driving module. A control end of the first driving module is electrically connected to a first node, a first end of the first driving module is electrically connected to a voltage signal line of a first power supply, and a second end of the first driving module is electrically connected to a first electrode of a light-emitting element. A control end of the data writing module is electrically connected to a first scanning signal line, a first end of the data writing module is electrically connected to a data signal line, and a second end of the data writing module is electrically connected to the first node.


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