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:
Feb. 23, 2021

Filed:

Apr. 24, 2019
Applicant:

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

Inventors:

Xu Qian, Shanghai, CN;

Hua Gong, Shanghai, CN;

Jun Zhang, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/3233 (2016.01); G09G 3/3266 (2016.01); G09G 3/3291 (2016.01); H01L 27/32 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3233 (2013.01); G09G 3/3266 (2013.01); G09G 3/3291 (2013.01); H01L 27/3276 (2013.01); G09G 2300/0426 (2013.01); G09G 2300/0439 (2013.01); G09G 2300/0809 (2013.01);
Abstract

The present disclosure provides an organic light-emitting pixel driving circuit. The organic light-emitting pixel driving circuit includes first driving transistor, having first terminal electrically connected to first node, second terminal electrically connected to second node, and control terminal electrically connected to third node, second driving transistor, having first terminal electrically connected to the second node, second terminal electrically connected to fourth node, and control terminal electrically connected to the third node; first switch transistor, having first terminal electrically connected to data signal terminal, and second terminal electrically connected to the first node, second switch transistor, having first terminal electrically connected to the data signal terminal, and second terminal electrically connected to the fourth node; third switch transistor, having first terminal electrically connected to the third node, and second terminal electrically connected to the second node; and storage device electrically connected to the third node.


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