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:
Dec. 20, 2022

Filed:

Jun. 19, 2021
Applicant:

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

Inventors:

Hualing Yang, Beijing, CN;

Xinshe Yin, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/325 (2016.01);
U.S. Cl.
CPC ...
G09G 3/325 (2013.01); G09G 2300/0804 (2013.01); G09G 2300/0819 (2013.01); G09G 2310/0297 (2013.01); G09G 2310/061 (2013.01);
Abstract

An array substrate comprising a plurality of pixel units and an external compensation circuit; wherein, for each pixel unit of the plurality of pixel units, the pixel unit comprises a detection switch device, and the pixel unit is connected to a corresponding input end of a multiplexer of the external compensation circuit through the detection switch device; the external compensation circuit is configured: to acquire first data in a case that the detection switch device is opened, the first data comprising noise data caused by a level jump of the multiplexer of the external compensation circuit; to acquire second data in a case that the detection switch device is closed, the second data comprising the noise data and electrical data of the pixel unit; and to obtain the electrical data according to the first data and the second data.


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