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:
Oct. 08, 2019

Filed:

Mar. 14, 2018
Applicant:

Hon Hai Precision Industry Co., Ltd., New Taipei, TW;

Inventors:

Po-Fu Chen, New Taipei, TW;

Kuo-Sheng Lee, New Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/32 (2016.01); G09G 3/3258 (2016.01); G09G 3/3266 (2016.01); G09G 3/3233 (2016.01);
U.S. Cl.
CPC ...
G09G 3/3258 (2013.01); G09G 3/3233 (2013.01); G09G 3/3266 (2013.01); G09G 2300/0819 (2013.01); G09G 2300/0861 (2013.01); G09G 2310/0251 (2013.01);
Abstract

A pixel driving circuit for driving a pixel unit comprises a light emitting element, an initial transistor, a drive transistor with a first gate electrode and a second gate electrode, a control transistor, a resetting transistor, a first storage capacitor, and a second storage capacitor. A gate electrode of the second initial transistor receives the second control signal, a source electrode of the second initial transistor is electrically connected to an anode of the light emitting element, and a drain electrode of the second initial transistor is electrically connected to a source electrode of the drive transistor.


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