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. 09, 2022

Filed:

Dec. 11, 2018
Applicant:

Hkc Corporation Limited, Guangdong, CN;

Inventor:

Xiaoyu Huang, Guangdong, CN;

Assignee:

HKC CORPORATION LIMITED, Guangdong, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/36 (2006.01); G09G 3/3275 (2016.01); G09G 3/3291 (2016.01); G09G 3/3233 (2016.01);
U.S. Cl.
CPC ...
G09G 3/3677 (2013.01); G09G 3/3233 (2013.01); G09G 3/3275 (2013.01); G09G 3/3291 (2013.01); G09G 3/3614 (2013.01); G09G 3/3685 (2013.01); G09G 3/3688 (2013.01); G09G 3/3696 (2013.01); G09G 2300/0804 (2013.01); G09G 2310/0248 (2013.01); G09G 2310/0251 (2013.01); G09G 2310/08 (2013.01); G09G 2330/021 (2013.01);
Abstract

Disclosed is a driving circuit of display panel. The driving circuit of display panel includes a pixel unit array, a gate driving unit, a plurality of data signal lines, a switch control unit, a plurality of first switch units and a plurality of second switch units. Each of the pixel unit columns is connected to the gate driving unit through one of the data signal lines. The switch control unit is respectively connected to each of the first switch units and each of the second switch units. When the plurality of first switch units are turned off and the plurality of second switch units are turned on, charges of each of the pixel units in the plurality of pixel unit columns are neutralized.


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