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:
Aug. 06, 2024

Filed:

Sep. 13, 2022
Applicants:

Wuhan Tianma Microelectronics Co., Ltd., Wuhan, CN;

Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch, Shanghai, CN;

Inventors:

Mengmeng Zhang, Wuhan, CN;

Yue Li, Wuhan, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3233 (2016.01); G09G 3/3266 (2016.01);
U.S. Cl.
CPC ...
G09G 3/3233 (2013.01); G09G 3/3266 (2013.01); G09G 2300/0426 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0852 (2013.01); G09G 2300/0861 (2013.01); G09G 2310/0286 (2013.01); G09G 2310/08 (2013.01); G09G 2320/0233 (2013.01);
Abstract

The present application provide a pixel circuit and a driving method thereof, and a display panel. The pixel circuit includes: a driving module, a control end of the driving module being electrically connected to a first node; a threshold compensation module, electrically connected to a first scan signal line, the first node, and a first end of the driving module; a first switch module, electrically connected to a first light emitting control signal line and the first end of the driving module; a second switch module, electrically connected to a second light emitting control signal line, a second end of the first switch module, and a first electrode of a light emitting element; and a voltage regulator module, electrically connected to a constant voltage signal line and a target node.


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