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:
Jan. 29, 2019

Filed:

Jul. 28, 2016
Applicants:

Boe Technology Group Co., Ltd., Beijing, CN;

Chengdu Boe Optoelectronics Technology Co., Ltd., Chengdu, Sichuan, CN;

Inventors:

Xiaoxiang He, Beijing, CN;

Xiaojing Qi, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/32 (2016.01); G09G 3/3258 (2016.01); G09G 3/3208 (2016.01); G09G 3/3233 (2016.01); H01L 51/52 (2006.01);
U.S. Cl.
CPC ...
G09G 3/3258 (2013.01); G09G 3/3208 (2013.01); G09G 3/3233 (2013.01); H01L 51/5206 (2013.01); H01L 51/5221 (2013.01); G09G 2310/0264 (2013.01);
Abstract

A pixel circuit, a driving method and a display device are provided. The pixel circuit includes a threshold compensation unit, configured to pull voltage of first node and voltage of first level terminal uniform, pull voltage of third node and voltage of second node uniform, and make the voltage of the first node and the voltage of the third node have an equipotential change; a driving unit, configured to output driving current; a data writing unit, configured to pull the voltage of the third node and the voltage of a data signal terminal uniform; a resetting unit, configured to pull a voltage of fourth node and a voltage of a third level terminal uniform; an EL light-emitting unit, configured to display gray scales through driving current; and a feedback unit, configured to make the voltage of the third node and the voltage of the fourth node have an equipotential change.


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